-This is libgomp.info, produced by makeinfo version 4.13 from
-/d/gcc-4.8.1/gcc-4.8.1/libgomp/libgomp.texi.
+This is libgomp.info, produced by makeinfo version 5.1 from
+libgomp.texi.
Copyright (C) 2006-2013 Free Software Foundation, Inc.
(b) The FSF's Back-Cover Text is:
You have freedom to copy and modify this GNU Manual, like GNU
-software. Copies published by the Free Software Foundation raise
-funds for GNU development.
-
+software. Copies published by the Free Software Foundation raise funds
+for GNU development.
INFO-DIR-SECTION GNU Libraries
START-INFO-DIR-ENTRY
* libgomp: (libgomp). GNU OpenMP runtime library
(b) The FSF's Back-Cover Text is:
You have freedom to copy and modify this GNU Manual, like GNU
-software. Copies published by the Free Software Foundation raise
-funds for GNU development.
+software. Copies published by the Free Software Foundation raise funds
+for GNU development.
\1f
File: libgomp.info, Node: Top, Next: Enabling OpenMP, Up: (dir)
This manual documents the usage of libgomp, the GNU implementation of
the OpenMP (http://www.openmp.org) Application Programming Interface
-(API) for multi-platform shared-memory parallel programming in C/C++
-and Fortran.
+(API) for multi-platform shared-memory parallel programming in C/C++ and
+Fortran.
* Menu:
*****************
To activate the OpenMP extensions for C/C++ and Fortran, the
-compile-time flag `-fopenmp' must be specified. This enables the OpenMP
-directive `#pragma omp' in C/C++ and `!$omp' directives in free form,
-`c$omp', `*$omp' and `!$omp' directives in fixed form, `!$' conditional
-compilation sentinels in free form and `c$', `*$' and `!$' sentinels in
-fixed form, for Fortran. The flag also arranges for automatic linking
+compile-time flag '-fopenmp' must be specified. This enables the OpenMP
+directive '#pragma omp' in C/C++ and '!$omp' directives in free form,
+'c$omp', '*$omp' and '!$omp' directives in fixed form, '!$' conditional
+compilation sentinels in free form and 'c$', '*$' and '!$' sentinels in
+fixed form, for Fortran. The flag also arranges for automatic linking
of the OpenMP runtime library (*note Runtime Library Routines::).
- A complete description of all OpenMP directives accepted may be
-found in the OpenMP Application Program Interface
-(http://www.openmp.org) manual, version 3.1.
+ A complete description of all OpenMP directives accepted may be found
+in the OpenMP Application Program Interface (http://www.openmp.org)
+manual, version 3.1.
\1f
File: libgomp.info, Node: Runtime Library Routines, Next: Environment Variables, Prev: Enabling OpenMP, Up: Top
**************************
The runtime routines described here are defined by section 3 of the
-OpenMP specifications in version 3.1. The routines are structured in
+OpenMP specifications in version 3.1. The routines are structured in
following three parts:
Control threads, processors and the parallel environment.
\1f
File: libgomp.info, Node: omp_get_active_level, Next: omp_get_ancestor_thread_num, Up: Runtime Library Routines
-2.1 `omp_get_active_level' - Number of parallel regions
+2.1 'omp_get_active_level' - Number of parallel regions
=======================================================
_Description_:
blocks, which enclose the calling call.
_C/C++_
- _Prototype_: `int omp_get_active_level(void);'
+ _Prototype_: 'int omp_get_active_level(void);'
_Fortran_:
- _Interface_: `integer function omp_get_active_level()'
+ _Interface_: 'integer function omp_get_active_level()'
_See also_:
*note omp_get_level::, *note omp_get_max_active_levels::, *note
\1f
File: libgomp.info, Node: omp_get_ancestor_thread_num, Next: omp_get_dynamic, Prev: omp_get_active_level, Up: Runtime Library Routines
-2.2 `omp_get_ancestor_thread_num' - Ancestor thread ID
+2.2 'omp_get_ancestor_thread_num' - Ancestor thread ID
======================================================
_Description_:
This function returns the thread identification number for the
- given nesting level of the current thread. For values of LEVEL
- outside zero to `omp_get_level' -1 is returned; if LEVEL is
- `omp_get_level' the result is identical to `omp_get_thread_num'.
+ given nesting level of the current thread. For values of LEVEL
+ outside zero to 'omp_get_level' -1 is returned; if LEVEL is
+ 'omp_get_level' the result is identical to 'omp_get_thread_num'.
_C/C++_
- _Prototype_: `int omp_get_ancestor_thread_num(int level);'
+ _Prototype_: 'int omp_get_ancestor_thread_num(int level);'
_Fortran_:
- _Interface_: `integer function omp_get_ancestor_thread_num(level)'
- `integer level'
+ _Interface_: 'integer function omp_get_ancestor_thread_num(level)'
+ 'integer level'
_See also_:
*note omp_get_level::, *note omp_get_thread_num::, *note
\1f
File: libgomp.info, Node: omp_get_dynamic, Next: omp_get_level, Prev: omp_get_ancestor_thread_num, Up: Runtime Library Routines
-2.3 `omp_get_dynamic' - Dynamic teams setting
+2.3 'omp_get_dynamic' - Dynamic teams setting
=============================================
_Description_:
- This function returns `true' if enabled, `false' otherwise. Here,
- `true' and `false' represent their language-specific counterparts.
+ This function returns 'true' if enabled, 'false' otherwise. Here,
+ 'true' and 'false' represent their language-specific counterparts.
The dynamic team setting may be initialized at startup by the
- `OMP_DYNAMIC' environment variable or at runtime using
- `omp_set_dynamic'. If undefined, dynamic adjustment is disabled by
+ 'OMP_DYNAMIC' environment variable or at runtime using
+ 'omp_set_dynamic'. If undefined, dynamic adjustment is disabled by
default.
_C/C++_:
- _Prototype_: `int omp_get_dynamic(void);'
+ _Prototype_: 'int omp_get_dynamic(void);'
_Fortran_:
- _Interface_: `logical function omp_get_dynamic()'
+ _Interface_: 'logical function omp_get_dynamic()'
_See also_:
*note omp_set_dynamic::, *note OMP_DYNAMIC::
\1f
File: libgomp.info, Node: omp_get_level, Next: omp_get_max_active_levels, Prev: omp_get_dynamic, Up: Runtime Library Routines
-2.4 `omp_get_level' - Obtain the current nesting level
+2.4 'omp_get_level' - Obtain the current nesting level
======================================================
_Description_:
which enclose the calling call.
_C/C++_
- _Prototype_: `int omp_get_level(void);'
+ _Prototype_: 'int omp_get_level(void);'
_Fortran_:
- _Interface_: `integer function omp_level()'
+ _Interface_: 'integer function omp_level()'
_See also_:
*note omp_get_active_level::
\1f
File: libgomp.info, Node: omp_get_max_active_levels, Next: omp_get_max_threads, Prev: omp_get_level, Up: Runtime Library Routines
-2.5 `omp_get_max_active_levels' - Maximum number of active regions
+2.5 'omp_get_max_active_levels' - Maximum number of active regions
==================================================================
_Description_:
parallel regions.
_C/C++_
- _Prototype_: `int omp_get_max_active_levels(void);'
+ _Prototype_: 'int omp_get_max_active_levels(void);'
_Fortran_:
- _Interface_: `integer function omp_get_max_active_levels()'
+ _Interface_: 'integer function omp_get_max_active_levels()'
_See also_:
*note omp_set_max_active_levels::, *note omp_get_active_level::
\1f
File: libgomp.info, Node: omp_get_max_threads, Next: omp_get_nested, Prev: omp_get_max_active_levels, Up: Runtime Library Routines
-2.6 `omp_get_max_threads' - Maximum number of threads of parallel region
+2.6 'omp_get_max_threads' - Maximum number of threads of parallel region
========================================================================
_Description_:
Return the maximum number of threads used for the current parallel
- region that does not use the clause `num_threads'.
+ region that does not use the clause 'num_threads'.
_C/C++_:
- _Prototype_: `int omp_get_max_threads(void);'
+ _Prototype_: 'int omp_get_max_threads(void);'
_Fortran_:
- _Interface_: `integer function omp_get_max_threads()'
+ _Interface_: 'integer function omp_get_max_threads()'
_See also_:
*note omp_set_num_threads::, *note omp_set_dynamic::, *note
\1f
File: libgomp.info, Node: omp_get_nested, Next: omp_get_num_procs, Prev: omp_get_max_threads, Up: Runtime Library Routines
-2.7 `omp_get_nested' - Nested parallel regions
+2.7 'omp_get_nested' - Nested parallel regions
==============================================
_Description_:
- This function returns `true' if nested parallel regions are
- enabled, `false' otherwise. Here, `true' and `false' represent
+ This function returns 'true' if nested parallel regions are
+ enabled, 'false' otherwise. Here, 'true' and 'false' represent
their language-specific counterparts.
Nested parallel regions may be initialized at startup by the
- `OMP_NESTED' environment variable or at runtime using
- `omp_set_nested'. If undefined, nested parallel regions are
+ 'OMP_NESTED' environment variable or at runtime using
+ 'omp_set_nested'. If undefined, nested parallel regions are
disabled by default.
_C/C++_:
- _Prototype_: `int omp_get_nested(void);'
+ _Prototype_: 'int omp_get_nested(void);'
_Fortran_:
- _Interface_: `logical function omp_get_nested()'
+ _Interface_: 'logical function omp_get_nested()'
_See also_:
*note omp_set_nested::, *note OMP_NESTED::
\1f
File: libgomp.info, Node: omp_get_num_procs, Next: omp_get_num_threads, Prev: omp_get_nested, Up: Runtime Library Routines
-2.8 `omp_get_num_procs' - Number of processors online
+2.8 'omp_get_num_procs' - Number of processors online
=====================================================
_Description_:
Returns the number of processors online.
_C/C++_:
- _Prototype_: `int omp_get_num_procs(void);'
+ _Prototype_: 'int omp_get_num_procs(void);'
_Fortran_:
- _Interface_: `integer function omp_get_num_procs()'
+ _Interface_: 'integer function omp_get_num_procs()'
_Reference_:
OpenMP specifications v3.1 (http://www.openmp.org/), section 3.2.5.
\1f
File: libgomp.info, Node: omp_get_num_threads, Next: omp_get_schedule, Prev: omp_get_num_procs, Up: Runtime Library Routines
-2.9 `omp_get_num_threads' - Size of the active team
+2.9 'omp_get_num_threads' - Size of the active team
===================================================
_Description_:
- Returns the number of threads in the current team. In a sequential
- section of the program `omp_get_num_threads' returns 1.
+ Returns the number of threads in the current team. In a sequential
+ section of the program 'omp_get_num_threads' returns 1.
The default team size may be initialized at startup by the
- `OMP_NUM_THREADS' environment variable. At runtime, the size of
- the current team may be set either by the `NUM_THREADS' clause or
- by `omp_set_num_threads'. If none of the above were used to define
- a specific value and `OMP_DYNAMIC' is disabled, one thread per CPU
+ 'OMP_NUM_THREADS' environment variable. At runtime, the size of
+ the current team may be set either by the 'NUM_THREADS' clause or
+ by 'omp_set_num_threads'. If none of the above were used to define
+ a specific value and 'OMP_DYNAMIC' is disabled, one thread per CPU
online is used.
_C/C++_:
- _Prototype_: `int omp_get_num_threads(void);'
+ _Prototype_: 'int omp_get_num_threads(void);'
_Fortran_:
- _Interface_: `integer function omp_get_num_threads()'
+ _Interface_: 'integer function omp_get_num_threads()'
_See also_:
*note omp_get_max_threads::, *note omp_set_num_threads::, *note
\1f
File: libgomp.info, Node: omp_get_schedule, Next: omp_get_team_size, Prev: omp_get_num_threads, Up: Runtime Library Routines
-2.10 `omp_get_schedule' - Obtain the runtime scheduling method
+2.10 'omp_get_schedule' - Obtain the runtime scheduling method
==============================================================
_Description_:
- Obtain the runtime scheduling method. The KIND argument will be
- set to the value `omp_sched_static', `omp_sched_dynamic',
- `omp_sched_guided' or `omp_sched_auto'. The second argument,
+ Obtain the runtime scheduling method. The KIND argument will be
+ set to the value 'omp_sched_static', 'omp_sched_dynamic',
+ 'omp_sched_guided' or 'omp_sched_auto'. The second argument,
MODIFIER, is set to the chunk size.
_C/C++_
- _Prototype_: `void omp_schedule(omp_sched_t *kind, int *modifier);'
+ _Prototype_: 'void omp_schedule(omp_sched_t *kind, int *modifier);'
_Fortran_:
- _Interface_: `subroutine omp_schedule(kind, modifier)'
- `integer(kind=omp_sched_kind) kind'
- `integer modifier'
+ _Interface_: 'subroutine omp_schedule(kind, modifier)'
+ 'integer(kind=omp_sched_kind) kind'
+ 'integer modifier'
_See also_:
*note omp_set_schedule::, *note OMP_SCHEDULE::
\1f
File: libgomp.info, Node: omp_get_team_size, Next: omp_get_thread_limit, Prev: omp_get_schedule, Up: Runtime Library Routines
-2.11 `omp_get_team_size' - Number of threads in a team
+2.11 'omp_get_team_size' - Number of threads in a team
======================================================
_Description_:
This function returns the number of threads in a thread team to
- which either the current thread or its ancestor belongs. For
- values of LEVEL outside zero to `omp_get_level', -1 is returned;
- if LEVEL is zero, 1 is returned, and for `omp_get_level', the
- result is identical to `omp_get_num_threads'.
+ which either the current thread or its ancestor belongs. For
+ values of LEVEL outside zero to 'omp_get_level', -1 is returned; if
+ LEVEL is zero, 1 is returned, and for 'omp_get_level', the result
+ is identical to 'omp_get_num_threads'.
_C/C++_:
- _Prototype_: `int omp_get_team_size(int level);'
+ _Prototype_: 'int omp_get_team_size(int level);'
_Fortran_:
- _Interface_: `integer function omp_get_team_size(level)'
- `integer level'
+ _Interface_: 'integer function omp_get_team_size(level)'
+ 'integer level'
_See also_:
*note omp_get_num_threads::, *note omp_get_level::, *note
\1f
File: libgomp.info, Node: omp_get_thread_limit, Next: omp_get_thread_num, Prev: omp_get_team_size, Up: Runtime Library Routines
-2.12 `omp_get_thread_limit' - Maximum number of threads
+2.12 'omp_get_thread_limit' - Maximum number of threads
=======================================================
_Description_:
Return the maximum number of threads of the program.
_C/C++_:
- _Prototype_: `int omp_get_thread_limit(void);'
+ _Prototype_: 'int omp_get_thread_limit(void);'
_Fortran_:
- _Interface_: `integer function omp_get_thread_limit()'
+ _Interface_: 'integer function omp_get_thread_limit()'
_See also_:
*note omp_get_max_threads::, *note OMP_THREAD_LIMIT::
\1f
File: libgomp.info, Node: omp_get_thread_num, Next: omp_in_parallel, Prev: omp_get_thread_limit, Up: Runtime Library Routines
-2.13 `omp_get_thread_num' - Current thread ID
+2.13 'omp_get_thread_num' - Current thread ID
=============================================
_Description_:
Returns a unique thread identification number within the current
- team. In a sequential parts of the program, `omp_get_thread_num'
- always returns 0. In parallel regions the return value varies from
- 0 to `omp_get_num_threads'-1 inclusive. The return value of the
+ team. In a sequential parts of the program, 'omp_get_thread_num'
+ always returns 0. In parallel regions the return value varies from
+ 0 to 'omp_get_num_threads'-1 inclusive. The return value of the
master thread of a team is always 0.
_C/C++_:
- _Prototype_: `int omp_get_thread_num(void);'
+ _Prototype_: 'int omp_get_thread_num(void);'
_Fortran_:
- _Interface_: `integer function omp_get_thread_num()'
+ _Interface_: 'integer function omp_get_thread_num()'
_See also_:
*note omp_get_num_threads::, *note omp_get_ancestor_thread_num::
\1f
File: libgomp.info, Node: omp_in_parallel, Next: omp_in_final, Prev: omp_get_thread_num, Up: Runtime Library Routines
-2.14 `omp_in_parallel' - Whether a parallel region is active
+2.14 'omp_in_parallel' - Whether a parallel region is active
============================================================
_Description_:
- This function returns `true' if currently running in parallel,
- `false' otherwise. Here, `true' and `false' represent their
+ This function returns 'true' if currently running in parallel,
+ 'false' otherwise. Here, 'true' and 'false' represent their
language-specific counterparts.
_C/C++_:
- _Prototype_: `int omp_in_parallel(void);'
+ _Prototype_: 'int omp_in_parallel(void);'
_Fortran_:
- _Interface_: `logical function omp_in_parallel()'
+ _Interface_: 'logical function omp_in_parallel()'
_Reference_:
OpenMP specifications v3.1 (http://www.openmp.org/), section 3.2.6.
\1f
File: libgomp.info, Node: omp_in_final, Next: omp_set_dynamic, Prev: omp_in_parallel, Up: Runtime Library Routines
-2.15 `omp_in_final' - Whether in final or included task region
+2.15 'omp_in_final' - Whether in final or included task region
==============================================================
_Description_:
- This function returns `true' if currently running in a final or
- included task region, `false' otherwise. Here, `true' and `false'
+ This function returns 'true' if currently running in a final or
+ included task region, 'false' otherwise. Here, 'true' and 'false'
represent their language-specific counterparts.
_C/C++_:
- _Prototype_: `int omp_in_final(void);'
+ _Prototype_: 'int omp_in_final(void);'
_Fortran_:
- _Interface_: `logical function omp_in_final()'
+ _Interface_: 'logical function omp_in_final()'
_Reference_:
OpenMP specifications v3.1 (http://www.openmp.org/), section
\1f
File: libgomp.info, Node: omp_set_dynamic, Next: omp_set_max_active_levels, Prev: omp_in_final, Up: Runtime Library Routines
-2.16 `omp_set_dynamic' - Enable/disable dynamic teams
+2.16 'omp_set_dynamic' - Enable/disable dynamic teams
=====================================================
_Description_:
Enable or disable the dynamic adjustment of the number of threads
- within a team. The function takes the language-specific equivalent
- of `true' and `false', where `true' enables dynamic adjustment of
- team sizes and `false' disables it.
+ within a team. The function takes the language-specific equivalent
+ of 'true' and 'false', where 'true' enables dynamic adjustment of
+ team sizes and 'false' disables it.
_C/C++_:
- _Prototype_: `void omp_set_dynamic(int set);'
+ _Prototype_: 'void omp_set_dynamic(int set);'
_Fortran_:
- _Interface_: `subroutine omp_set_dynamic(set)'
- `logical, intent(in) :: set'
+ _Interface_: 'subroutine omp_set_dynamic(set)'
+ 'logical, intent(in) :: set'
_See also_:
*note OMP_DYNAMIC::, *note omp_get_dynamic::
\1f
File: libgomp.info, Node: omp_set_max_active_levels, Next: omp_set_nested, Prev: omp_set_dynamic, Up: Runtime Library Routines
-2.17 `omp_set_max_active_levels' - Limits the number of active parallel regions
+2.17 'omp_set_max_active_levels' - Limits the number of active parallel regions
===============================================================================
_Description_:
parallel regions.
_C/C++_
- _Prototype_: `void omp_set_max_active_levels(int max_levels);'
+ _Prototype_: 'void omp_set_max_active_levels(int max_levels);'
_Fortran_:
- _Interface_: `subroutine omp_set_max_active_levels(max_levels)'
- `integer max_levels'
+ _Interface_: 'subroutine omp_set_max_active_levels(max_levels)'
+ 'integer max_levels'
_See also_:
*note omp_get_max_active_levels::, *note omp_get_active_level::
\1f
File: libgomp.info, Node: omp_set_nested, Next: omp_set_num_threads, Prev: omp_set_max_active_levels, Up: Runtime Library Routines
-2.18 `omp_set_nested' - Enable/disable nested parallel regions
+2.18 'omp_set_nested' - Enable/disable nested parallel regions
==============================================================
_Description_:
Enable or disable nested parallel regions, i.e., whether team
- members are allowed to create new teams. The function takes the
- language-specific equivalent of `true' and `false', where `true'
- enables dynamic adjustment of team sizes and `false' disables it.
+ members are allowed to create new teams. The function takes the
+ language-specific equivalent of 'true' and 'false', where 'true'
+ enables dynamic adjustment of team sizes and 'false' disables it.
_C/C++_:
- _Prototype_: `void omp_set_nested(int set);'
+ _Prototype_: 'void omp_set_nested(int set);'
_Fortran_:
- _Interface_: `subroutine omp_set_nested(set)'
- `logical, intent(in) :: set'
+ _Interface_: 'subroutine omp_set_nested(set)'
+ 'logical, intent(in) :: set'
_See also_:
*note OMP_NESTED::, *note omp_get_nested::
\1f
File: libgomp.info, Node: omp_set_num_threads, Next: omp_set_schedule, Prev: omp_set_nested, Up: Runtime Library Routines
-2.19 `omp_set_num_threads' - Set upper team size limit
+2.19 'omp_set_num_threads' - Set upper team size limit
======================================================
_Description_:
Specifies the number of threads used by default in subsequent
- parallel sections, if those do not specify a `num_threads' clause.
- The argument of `omp_set_num_threads' shall be a positive integer.
+ parallel sections, if those do not specify a 'num_threads' clause.
+ The argument of 'omp_set_num_threads' shall be a positive integer.
_C/C++_:
- _Prototype_: `void omp_set_num_threads(int n);'
+ _Prototype_: 'void omp_set_num_threads(int n);'
_Fortran_:
- _Interface_: `subroutine omp_set_num_threads(n)'
- `integer, intent(in) :: n'
+ _Interface_: 'subroutine omp_set_num_threads(n)'
+ 'integer, intent(in) :: n'
_See also_:
*note OMP_NUM_THREADS::, *note omp_get_num_threads::, *note
\1f
File: libgomp.info, Node: omp_set_schedule, Next: omp_init_lock, Prev: omp_set_num_threads, Up: Runtime Library Routines
-2.20 `omp_set_schedule' - Set the runtime scheduling method
+2.20 'omp_set_schedule' - Set the runtime scheduling method
===========================================================
_Description_:
- Sets the runtime scheduling method. The KIND argument can have the
- value `omp_sched_static', `omp_sched_dynamic', `omp_sched_guided'
- or `omp_sched_auto'. Except for `omp_sched_auto', the chunk size
+ Sets the runtime scheduling method. The KIND argument can have the
+ value 'omp_sched_static', 'omp_sched_dynamic', 'omp_sched_guided'
+ or 'omp_sched_auto'. Except for 'omp_sched_auto', the chunk size
is set to the value of MODIFIER if positive, or to the default
- value if zero or negative. For `omp_sched_auto' the MODIFIER
+ value if zero or negative. For 'omp_sched_auto' the MODIFIER
argument is ignored.
_C/C++_
- _Prototype_: `void omp_set_schedule(omp_sched_t *kind, int
- *modifier);'
+ _Prototype_: 'void omp_set_schedule(omp_sched_t *kind, int
+ *modifier);'
_Fortran_:
- _Interface_: `subroutine omp_set_schedule(kind, modifier)'
- `integer(kind=omp_sched_kind) kind'
- `integer modifier'
+ _Interface_: 'subroutine omp_set_schedule(kind, modifier)'
+ 'integer(kind=omp_sched_kind) kind'
+ 'integer modifier'
_See also_:
*note omp_get_schedule:: *note OMP_SCHEDULE::
\1f
File: libgomp.info, Node: omp_init_lock, Next: omp_set_lock, Prev: omp_set_schedule, Up: Runtime Library Routines
-2.21 `omp_init_lock' - Initialize simple lock
+2.21 'omp_init_lock' - Initialize simple lock
=============================================
_Description_:
unlocked state.
_C/C++_:
- _Prototype_: `void omp_init_lock(omp_lock_t *lock);'
+ _Prototype_: 'void omp_init_lock(omp_lock_t *lock);'
_Fortran_:
- _Interface_: `subroutine omp_init_lock(lock)'
- `integer(omp_lock_kind), intent(out) :: lock'
+ _Interface_: 'subroutine omp_init_lock(lock)'
+ 'integer(omp_lock_kind), intent(out) :: lock'
_See also_:
*note omp_destroy_lock::
\1f
File: libgomp.info, Node: omp_set_lock, Next: omp_test_lock, Prev: omp_init_lock, Up: Runtime Library Routines
-2.22 `omp_set_lock' - Wait for and set simple lock
+2.22 'omp_set_lock' - Wait for and set simple lock
==================================================
_Description_:
- Before setting a simple lock, the lock variable must be
- initialized by `omp_init_lock'. The calling thread is blocked
- until the lock is available. If the lock is already held by the
- current thread, a deadlock occurs.
+ Before setting a simple lock, the lock variable must be initialized
+ by 'omp_init_lock'. The calling thread is blocked until the lock
+ is available. If the lock is already held by the current thread, a
+ deadlock occurs.
_C/C++_:
- _Prototype_: `void omp_set_lock(omp_lock_t *lock);'
+ _Prototype_: 'void omp_set_lock(omp_lock_t *lock);'
_Fortran_:
- _Interface_: `subroutine omp_set_lock(lock)'
- `integer(omp_lock_kind), intent(inout) :: lock'
+ _Interface_: 'subroutine omp_set_lock(lock)'
+ 'integer(omp_lock_kind), intent(inout) :: lock'
_See also_:
*note omp_init_lock::, *note omp_test_lock::, *note
\1f
File: libgomp.info, Node: omp_test_lock, Next: omp_unset_lock, Prev: omp_set_lock, Up: Runtime Library Routines
-2.23 `omp_test_lock' - Test and set simple lock if available
+2.23 'omp_test_lock' - Test and set simple lock if available
============================================================
_Description_:
- Before setting a simple lock, the lock variable must be
- initialized by `omp_init_lock'. Contrary to `omp_set_lock',
- `omp_test_lock' does not block if the lock is not available. This
- function returns `true' upon success, `false' otherwise. Here,
- `true' and `false' represent their language-specific counterparts.
+ Before setting a simple lock, the lock variable must be initialized
+ by 'omp_init_lock'. Contrary to 'omp_set_lock', 'omp_test_lock'
+ does not block if the lock is not available. This function returns
+ 'true' upon success, 'false' otherwise. Here, 'true' and 'false'
+ represent their language-specific counterparts.
_C/C++_:
- _Prototype_: `int omp_test_lock(omp_lock_t *lock);'
+ _Prototype_: 'int omp_test_lock(omp_lock_t *lock);'
_Fortran_:
- _Interface_: `logical function omp_test_lock(lock)'
- `integer(omp_lock_kind), intent(inout) :: lock'
+ _Interface_: 'logical function omp_test_lock(lock)'
+ 'integer(omp_lock_kind), intent(inout) :: lock'
_See also_:
*note omp_init_lock::, *note omp_set_lock::, *note omp_set_lock::
\1f
File: libgomp.info, Node: omp_unset_lock, Next: omp_destroy_lock, Prev: omp_test_lock, Up: Runtime Library Routines
-2.24 `omp_unset_lock' - Unset simple lock
+2.24 'omp_unset_lock' - Unset simple lock
=========================================
_Description_:
A simple lock about to be unset must have been locked by
- `omp_set_lock' or `omp_test_lock' before. In addition, the lock
- must be held by the thread calling `omp_unset_lock'. Then, the
- lock becomes unlocked. If one or more threads attempted to set the
+ 'omp_set_lock' or 'omp_test_lock' before. In addition, the lock
+ must be held by the thread calling 'omp_unset_lock'. Then, the
+ lock becomes unlocked. If one or more threads attempted to set the
lock before, one of them is chosen to, again, set the lock to
itself.
_C/C++_:
- _Prototype_: `void omp_unset_lock(omp_lock_t *lock);'
+ _Prototype_: 'void omp_unset_lock(omp_lock_t *lock);'
_Fortran_:
- _Interface_: `subroutine omp_unset_lock(lock)'
- `integer(omp_lock_kind), intent(inout) :: lock'
+ _Interface_: 'subroutine omp_unset_lock(lock)'
+ 'integer(omp_lock_kind), intent(inout) :: lock'
_See also_:
*note omp_set_lock::, *note omp_test_lock::
\1f
File: libgomp.info, Node: omp_destroy_lock, Next: omp_init_nest_lock, Prev: omp_unset_lock, Up: Runtime Library Routines
-2.25 `omp_destroy_lock' - Destroy simple lock
+2.25 'omp_destroy_lock' - Destroy simple lock
=============================================
_Description_:
- Destroy a simple lock. In order to be destroyed, a simple lock
+ Destroy a simple lock. In order to be destroyed, a simple lock
must be in the unlocked state.
_C/C++_:
- _Prototype_: `void omp_destroy_lock(omp_lock_t *lock);'
+ _Prototype_: 'void omp_destroy_lock(omp_lock_t *lock);'
_Fortran_:
- _Interface_: `subroutine omp_destroy_lock(lock)'
- `integer(omp_lock_kind), intent(inout) :: lock'
+ _Interface_: 'subroutine omp_destroy_lock(lock)'
+ 'integer(omp_lock_kind), intent(inout) :: lock'
_See also_:
*note omp_init_lock::
\1f
File: libgomp.info, Node: omp_init_nest_lock, Next: omp_set_nest_lock, Prev: omp_destroy_lock, Up: Runtime Library Routines
-2.26 `omp_init_nest_lock' - Initialize nested lock
+2.26 'omp_init_nest_lock' - Initialize nested lock
==================================================
_Description_:
unlocked state and the nesting count is set to zero.
_C/C++_:
- _Prototype_: `void omp_init_nest_lock(omp_nest_lock_t *lock);'
+ _Prototype_: 'void omp_init_nest_lock(omp_nest_lock_t *lock);'
_Fortran_:
- _Interface_: `subroutine omp_init_nest_lock(lock)'
- `integer(omp_nest_lock_kind), intent(out) :: lock'
+ _Interface_: 'subroutine omp_init_nest_lock(lock)'
+ 'integer(omp_nest_lock_kind), intent(out) :: lock'
_See also_:
*note omp_destroy_nest_lock::
\1f
File: libgomp.info, Node: omp_set_nest_lock, Next: omp_test_nest_lock, Prev: omp_init_nest_lock, Up: Runtime Library Routines
-2.27 `omp_set_nest_lock' - Wait for and set nested lock
+2.27 'omp_set_nest_lock' - Wait for and set nested lock
=======================================================
_Description_:
- Before setting a nested lock, the lock variable must be
- initialized by `omp_init_nest_lock'. The calling thread is blocked
- until the lock is available. If the lock is already held by the
- current thread, the nesting count for the lock is incremented.
+ Before setting a nested lock, the lock variable must be initialized
+ by 'omp_init_nest_lock'. The calling thread is blocked until the
+ lock is available. If the lock is already held by the current
+ thread, the nesting count for the lock is incremented.
_C/C++_:
- _Prototype_: `void omp_set_nest_lock(omp_nest_lock_t *lock);'
+ _Prototype_: 'void omp_set_nest_lock(omp_nest_lock_t *lock);'
_Fortran_:
- _Interface_: `subroutine omp_set_nest_lock(lock)'
- `integer(omp_nest_lock_kind), intent(inout) :: lock'
+ _Interface_: 'subroutine omp_set_nest_lock(lock)'
+ 'integer(omp_nest_lock_kind), intent(inout) :: lock'
_See also_:
*note omp_init_nest_lock::, *note omp_unset_nest_lock::
\1f
File: libgomp.info, Node: omp_test_nest_lock, Next: omp_unset_nest_lock, Prev: omp_set_nest_lock, Up: Runtime Library Routines
-2.28 `omp_test_nest_lock' - Test and set nested lock if available
+2.28 'omp_test_nest_lock' - Test and set nested lock if available
=================================================================
_Description_:
- Before setting a nested lock, the lock variable must be
- initialized by `omp_init_nest_lock'. Contrary to
- `omp_set_nest_lock', `omp_test_nest_lock' does not block if the
- lock is not available. If the lock is already held by the current
- thread, the new nesting count is returned. Otherwise, the return
- value equals zero.
+ Before setting a nested lock, the lock variable must be initialized
+ by 'omp_init_nest_lock'. Contrary to 'omp_set_nest_lock',
+ 'omp_test_nest_lock' does not block if the lock is not available.
+ If the lock is already held by the current thread, the new nesting
+ count is returned. Otherwise, the return value equals zero.
_C/C++_:
- _Prototype_: `int omp_test_nest_lock(omp_nest_lock_t *lock);'
+ _Prototype_: 'int omp_test_nest_lock(omp_nest_lock_t *lock);'
_Fortran_:
- _Interface_: `logical function omp_test_nest_lock(lock)'
- `integer(omp_nest_lock_kind), intent(inout) :: lock'
+ _Interface_: 'logical function omp_test_nest_lock(lock)'
+ 'integer(omp_nest_lock_kind), intent(inout) :: lock'
_See also_:
*note omp_init_lock::, *note omp_set_lock::, *note omp_set_lock::
\1f
File: libgomp.info, Node: omp_unset_nest_lock, Next: omp_destroy_nest_lock, Prev: omp_test_nest_lock, Up: Runtime Library Routines
-2.29 `omp_unset_nest_lock' - Unset nested lock
+2.29 'omp_unset_nest_lock' - Unset nested lock
==============================================
_Description_:
A nested lock about to be unset must have been locked by
- `omp_set_nested_lock' or `omp_test_nested_lock' before. In
+ 'omp_set_nested_lock' or 'omp_test_nested_lock' before. In
addition, the lock must be held by the thread calling
- `omp_unset_nested_lock'. If the nesting count drops to zero, the
- lock becomes unlocked. If one ore more threads attempted to set
+ 'omp_unset_nested_lock'. If the nesting count drops to zero, the
+ lock becomes unlocked. If one ore more threads attempted to set
the lock before, one of them is chosen to, again, set the lock to
itself.
_C/C++_:
- _Prototype_: `void omp_unset_nest_lock(omp_nest_lock_t *lock);'
+ _Prototype_: 'void omp_unset_nest_lock(omp_nest_lock_t *lock);'
_Fortran_:
- _Interface_: `subroutine omp_unset_nest_lock(lock)'
- `integer(omp_nest_lock_kind), intent(inout) :: lock'
+ _Interface_: 'subroutine omp_unset_nest_lock(lock)'
+ 'integer(omp_nest_lock_kind), intent(inout) :: lock'
_See also_:
*note omp_set_nest_lock::
\1f
File: libgomp.info, Node: omp_destroy_nest_lock, Next: omp_get_wtick, Prev: omp_unset_nest_lock, Up: Runtime Library Routines
-2.30 `omp_destroy_nest_lock' - Destroy nested lock
+2.30 'omp_destroy_nest_lock' - Destroy nested lock
==================================================
_Description_:
- Destroy a nested lock. In order to be destroyed, a nested lock
+ Destroy a nested lock. In order to be destroyed, a nested lock
must be in the unlocked state and its nesting count must equal
zero.
_C/C++_:
- _Prototype_: `void omp_destroy_nest_lock(omp_nest_lock_t *);'
+ _Prototype_: 'void omp_destroy_nest_lock(omp_nest_lock_t *);'
_Fortran_:
- _Interface_: `subroutine omp_destroy_nest_lock(lock)'
- `integer(omp_nest_lock_kind), intent(inout) :: lock'
+ _Interface_: 'subroutine omp_destroy_nest_lock(lock)'
+ 'integer(omp_nest_lock_kind), intent(inout) :: lock'
_See also_:
*note omp_init_lock::
\1f
File: libgomp.info, Node: omp_get_wtick, Next: omp_get_wtime, Prev: omp_destroy_nest_lock, Up: Runtime Library Routines
-2.31 `omp_get_wtick' - Get timer precision
+2.31 'omp_get_wtick' - Get timer precision
==========================================
_Description_:
successive clock ticks.
_C/C++_:
- _Prototype_: `double omp_get_wtick(void);'
+ _Prototype_: 'double omp_get_wtick(void);'
_Fortran_:
- _Interface_: `double precision function omp_get_wtick()'
+ _Interface_: 'double precision function omp_get_wtick()'
_See also_:
*note omp_get_wtime::
\1f
File: libgomp.info, Node: omp_get_wtime, Prev: omp_get_wtick, Up: Runtime Library Routines
-2.32 `omp_get_wtime' - Elapsed wall clock time
+2.32 'omp_get_wtime' - Elapsed wall clock time
==============================================
_Description_:
- Elapsed wall clock time in seconds. The time is measured per
+ Elapsed wall clock time in seconds. The time is measured per
thread, no guarantee can be made that two distinct threads measure
the same time. Time is measured from some "time in the past",
which is an arbitrary time guaranteed not to change during the
execution of the program.
_C/C++_:
- _Prototype_: `double omp_get_wtime(void);'
+ _Prototype_: 'double omp_get_wtime(void);'
_Fortran_:
- _Interface_: `double precision function omp_get_wtime()'
+ _Interface_: 'double precision function omp_get_wtime()'
_See also_:
*note omp_get_wtick::
3 Environment Variables
***********************
-The variables `OMP_DYNAMIC', `OMP_MAX_ACTIVE_LEVELS', `OMP_NESTED',
-`OMP_NUM_THREADS', `OMP_SCHEDULE', `OMP_STACKSIZE',`OMP_THREAD_LIMIT'
-and `OMP_WAIT_POLICY' are defined by section 4 of the OpenMP
-specifications in version 3.1, while `GOMP_CPU_AFFINITY' and
-`GOMP_STACKSIZE' are GNU extensions.
+The variables 'OMP_DYNAMIC', 'OMP_MAX_ACTIVE_LEVELS', 'OMP_NESTED',
+'OMP_NUM_THREADS', 'OMP_SCHEDULE', 'OMP_STACKSIZE','OMP_THREAD_LIMIT'
+and 'OMP_WAIT_POLICY' are defined by section 4 of the OpenMP
+specifications in version 3.1, while 'GOMP_CPU_AFFINITY' and
+'GOMP_STACKSIZE' are GNU extensions.
* Menu:
\1f
File: libgomp.info, Node: OMP_DYNAMIC, Next: OMP_MAX_ACTIVE_LEVELS, Up: Environment Variables
-3.1 `OMP_DYNAMIC' - Dynamic adjustment of threads
+3.1 'OMP_DYNAMIC' - Dynamic adjustment of threads
=================================================
_Description_:
Enable or disable the dynamic adjustment of the number of threads
- within a team. The value of this environment variable shall be
- `TRUE' or `FALSE'. If undefined, dynamic adjustment is disabled by
+ within a team. The value of this environment variable shall be
+ 'TRUE' or 'FALSE'. If undefined, dynamic adjustment is disabled by
default.
_See also_:
\1f
File: libgomp.info, Node: OMP_MAX_ACTIVE_LEVELS, Next: OMP_NESTED, Prev: OMP_DYNAMIC, Up: Environment Variables
-3.2 `OMP_MAX_ACTIVE_LEVELS' - Set the maximum number of nested parallel regions
+3.2 'OMP_MAX_ACTIVE_LEVELS' - Set the maximum number of nested parallel regions
===============================================================================
_Description_:
Specifies the initial value for the maximum number of nested
- parallel regions. The value of this variable shall be a positive
+ parallel regions. The value of this variable shall be a positive
integer. If undefined, the number of active levels is unlimited.
_See also_:
\1f
File: libgomp.info, Node: OMP_NESTED, Next: OMP_NUM_THREADS, Prev: OMP_MAX_ACTIVE_LEVELS, Up: Environment Variables
-3.3 `OMP_NESTED' - Nested parallel regions
+3.3 'OMP_NESTED' - Nested parallel regions
==========================================
_Description_:
Enable or disable nested parallel regions, i.e., whether team
- members are allowed to create new teams. The value of this
- environment variable shall be `TRUE' or `FALSE'. If undefined,
+ members are allowed to create new teams. The value of this
+ environment variable shall be 'TRUE' or 'FALSE'. If undefined,
nested parallel regions are disabled by default.
_See also_:
OpenMP specifications v3.1 (http://www.openmp.org/), section 4.5
\1f
-File: libgomp.info, Node: OMP_NUM_THREADS, Next: OMP_STACKSIZE, Prev: OMP_NESTED, Up: Environment Variables
+File: libgomp.info, Node: OMP_NUM_THREADS, Next: OMP_SCHEDULE, Prev: OMP_NESTED, Up: Environment Variables
-3.4 `OMP_NUM_THREADS' - Specifies the number of threads to use
+3.4 'OMP_NUM_THREADS' - Specifies the number of threads to use
==============================================================
_Description_:
- Specifies the default number of threads to use in parallel
- regions. The value of this variable shall be a comma-separated
- list of positive integers; the value specified the number of
- threads to use for the corresponding nested level. If undefined
- one thread per CPU is used.
+ Specifies the default number of threads to use in parallel regions.
+ The value of this variable shall be a comma-separated list of
+ positive integers; the value specified the number of threads to use
+ for the corresponding nested level. If undefined one thread per
+ CPU is used.
_See also_:
*note omp_set_num_threads::
OpenMP specifications v3.1 (http://www.openmp.org/), section 4.2
\1f
-File: libgomp.info, Node: OMP_SCHEDULE, Next: OMP_THREAD_LIMIT, Prev: OMP_STACKSIZE, Up: Environment Variables
+File: libgomp.info, Node: OMP_SCHEDULE, Next: OMP_STACKSIZE, Prev: OMP_NUM_THREADS, Up: Environment Variables
-3.5 `OMP_SCHEDULE' - How threads are scheduled
+3.5 'OMP_SCHEDULE' - How threads are scheduled
==============================================
_Description_:
- Allows to specify `schedule type' and `chunk size'. The value of
- the variable shall have the form: `type[,chunk]' where `type' is
- one of `static', `dynamic', `guided' or `auto' The optional
- `chunk' size shall be a positive integer. If undefined, dynamic
- scheduling and a chunk size of 1 is used.
+ Allows to specify 'schedule type' and 'chunk size'. The value of
+ the variable shall have the form: 'type[,chunk]' where 'type' is
+ one of 'static', 'dynamic', 'guided' or 'auto' The optional 'chunk'
+ size shall be a positive integer. If undefined, dynamic scheduling
+ and a chunk size of 1 is used.
_See also_:
*note omp_set_schedule::
_Reference_:
- OpenMP specifications v3.1 (http://www.openmp.org/), sections
- 2.5.1 and 4.1
+ OpenMP specifications v3.1 (http://www.openmp.org/), sections 2.5.1
+ and 4.1
\1f
-File: libgomp.info, Node: OMP_STACKSIZE, Next: OMP_SCHEDULE, Prev: OMP_NUM_THREADS, Up: Environment Variables
+File: libgomp.info, Node: OMP_STACKSIZE, Next: OMP_THREAD_LIMIT, Prev: OMP_SCHEDULE, Up: Environment Variables
-3.6 `OMP_STACKSIZE' - Set default thread stack size
+3.6 'OMP_STACKSIZE' - Set default thread stack size
===================================================
_Description_:
Set the default thread stack size in kilobytes, unless the number
- is suffixed by `B', `K', `M' or `G', in which case the size is,
- respectively, in bytes, kilobytes, megabytes or gigabytes. This is
- different from `pthread_attr_setstacksize' which gets the number
- of bytes as an argument. If the stack size cannot be set due to
- system constraints, an error is reported and the initial stack
- size is left unchanged. If undefined, the stack size is system
+ is suffixed by 'B', 'K', 'M' or 'G', in which case the size is,
+ respectively, in bytes, kilobytes, megabytes or gigabytes. This is
+ different from 'pthread_attr_setstacksize' which gets the number of
+ bytes as an argument. If the stack size cannot be set due to
+ system constraints, an error is reported and the initial stack size
+ is left unchanged. If undefined, the stack size is system
dependent.
_Reference_:
OpenMP specifications v3.1 (http://www.openmp.org/), sections 4.6
\1f
-File: libgomp.info, Node: OMP_THREAD_LIMIT, Next: OMP_WAIT_POLICY, Prev: OMP_SCHEDULE, Up: Environment Variables
+File: libgomp.info, Node: OMP_THREAD_LIMIT, Next: OMP_WAIT_POLICY, Prev: OMP_STACKSIZE, Up: Environment Variables
-3.7 `OMP_THREAD_LIMIT' - Set the maximum number of threads
+3.7 'OMP_THREAD_LIMIT' - Set the maximum number of threads
==========================================================
_Description_:
- Specifies the number of threads to use for the whole program. The
- value of this variable shall be a positive integer. If undefined,
+ Specifies the number of threads to use for the whole program. The
+ value of this variable shall be a positive integer. If undefined,
the number of threads is not limited.
_See also_:
\1f
File: libgomp.info, Node: OMP_WAIT_POLICY, Next: OMP_PROC_BIND, Prev: OMP_THREAD_LIMIT, Up: Environment Variables
-3.8 `OMP_WAIT_POLICY' - How waiting threads are handled
+3.8 'OMP_WAIT_POLICY' - How waiting threads are handled
=======================================================
_Description_:
- Specifies whether waiting threads should be active or passive. If
- the value is `PASSIVE', waiting threads should not consume CPU
- power while waiting; while the value is `ACTIVE' specifies that
+ Specifies whether waiting threads should be active or passive. If
+ the value is 'PASSIVE', waiting threads should not consume CPU
+ power while waiting; while the value is 'ACTIVE' specifies that
they should.
_Reference_:
\1f
File: libgomp.info, Node: OMP_PROC_BIND, Next: GOMP_CPU_AFFINITY, Prev: OMP_WAIT_POLICY, Up: Environment Variables
-3.9 `OMP_PROC_BIND' - Whether theads may be moved between CPUs
+3.9 'OMP_PROC_BIND' - Whether theads may be moved between CPUs
==============================================================
_Description_:
- Specifies whether threads may be moved between processors. If set
- to `true', OpenMP theads should not be moved, if set to `false'
+ Specifies whether threads may be moved between processors. If set
+ to 'true', OpenMP theads should not be moved, if set to 'false'
they may be moved.
_See also_:
\1f
File: libgomp.info, Node: GOMP_CPU_AFFINITY, Next: GOMP_STACKSIZE, Prev: OMP_PROC_BIND, Up: Environment Variables
-3.10 `GOMP_CPU_AFFINITY' - Bind threads to specific CPUs
+3.10 'GOMP_CPU_AFFINITY' - Bind threads to specific CPUs
========================================================
_Description_:
- Binds threads to specific CPUs. The variable should contain a
- space-separated or comma-separated list of CPUs. This list may
+ Binds threads to specific CPUs. The variable should contain a
+ space-separated or comma-separated list of CPUs. This list may
contain different kinds of entries: either single CPU numbers in
any order, a range of CPUs (M-N) or a range with some stride
- (M-N:S). CPU numbers are zero based. For example,
- `GOMP_CPU_AFFINITY="0 3 1-2 4-15:2"' will bind the initial thread
+ (M-N:S). CPU numbers are zero based. For example,
+ 'GOMP_CPU_AFFINITY="0 3 1-2 4-15:2"' will bind the initial thread
to CPU 0, the second to CPU 3, the third to CPU 1, the fourth to
CPU 2, the fifth to CPU 4, the sixth through tenth to CPUs 6, 8,
10, 12, and 14 respectively and then start assigning back from the
- beginning of the list. `GOMP_CPU_AFFINITY=0' binds all threads to
+ beginning of the list. 'GOMP_CPU_AFFINITY=0' binds all threads to
CPU 0.
There is no GNU OpenMP library routine to determine whether a CPU
- affinity specification is in effect. As a workaround,
- language-specific library functions, e.g., `getenv' in C or
- `GET_ENVIRONMENT_VARIABLE' in Fortran, may be used to query the
- setting of the `GOMP_CPU_AFFINITY' environment variable. A defined
+ affinity specification is in effect. As a workaround,
+ language-specific library functions, e.g., 'getenv' in C or
+ 'GET_ENVIRONMENT_VARIABLE' in Fortran, may be used to query the
+ setting of the 'GOMP_CPU_AFFINITY' environment variable. A defined
CPU affinity on startup cannot be changed or disabled during the
runtime of the application.
\1f
File: libgomp.info, Node: GOMP_STACKSIZE, Prev: GOMP_CPU_AFFINITY, Up: Environment Variables
-3.11 `GOMP_STACKSIZE' - Set default thread stack size
+3.11 'GOMP_STACKSIZE' - Set default thread stack size
=====================================================
_Description_:
- Set the default thread stack size in kilobytes. This is different
- from `pthread_attr_setstacksize' which gets the number of bytes as
- an argument. If the stack size cannot be set due to system
+ Set the default thread stack size in kilobytes. This is different
+ from 'pthread_attr_setstacksize' which gets the number of bytes as
+ an argument. If the stack size cannot be set due to system
constraints, an error is reported and the initial stack size is
- left unchanged. If undefined, the stack size is system dependent.
+ left unchanged. If undefined, the stack size is system dependent.
_See also_:
*note OMP_STACKSIZE::
4 The libgomp ABI
*****************
-The following sections present notes on the external ABI as presented
-by libgomp. Only maintainers should need them.
+The following sections present notes on the external ABI as presented by
+libgomp. Only maintainers should need them.
* Menu:
4.3 Implementing ATOMIC construct
=================================
-The target should implement the `__sync' builtins.
+The target should implement the '__sync' builtins.
Failing that we could add
4.4 Implementing FLUSH construct
================================
-Expands to the `__sync_synchronize' builtin.
+Expands to the '__sync_synchronize' builtin.
\1f
File: libgomp.info, Node: Implementing BARRIER construct, Next: Implementing THREADPRIVATE construct, Prev: Implementing FLUSH construct, Up: The libgomp ABI
4.6 Implementing THREADPRIVATE construct
========================================
-In _most_ cases we can map this directly to `__thread'. Except that
-OMP allows constructors for C++ objects. We can either refuse to
-support this (how often is it used?) or we can implement something akin
-to .ctors.
+In _most_ cases we can map this directly to '__thread'. Except that OMP
+allows constructors for C++ objects. We can either refuse to support
+this (how often is it used?) or we can implement something akin to
+.ctors.
Even more ideally, this ctor feature is handled by extensions to the
main pthreads library. Failing that, we can have a set of entry points
others TREE_ADDRESSABLE types. In the subfunction, copy the value into
the local variable.
- It is not clear what to do with bare FOR or SECTION blocks. The
-only thing I can figure is that we do something like:
+ It is not clear what to do with bare FOR or SECTION blocks. The only
+thing I can figure is that we do something like:
#pragma omp for firstprivate(x) lastprivate(y)
for (int i = 0; i < n; ++i)
}
where the "x=x" and "y=y" assignments actually have different uids
-for the two variables, i.e. not something you could write directly in
-C. Presumably this only makes sense if the "outer" x and y are global
+for the two variables, i.e. not something you could write directly in
+C. Presumably this only makes sense if the "outer" x and y are global
variables.
COPYPRIVATE would work the same way, except the structure broadcast
=================================
The private struct mentioned in the previous section should have a
-pointer to an array of the type of the variable, indexed by the
-thread's TEAM_ID. The thread stores its final value into the array,
-and after the barrier, the master thread iterates over the array to
-collect the values.
+pointer to an array of the type of the variable, indexed by the thread's
+TEAM_ID. The thread stores its final value into the array, and after
+the barrier, the master thread iterates over the array to collect the
+values.
\1f
File: libgomp.info, Node: Implementing PARALLEL construct, Next: Implementing FOR construct, Prev: Implementing REDUCTION clause, Up: The libgomp ABI
The NUM_THREADS argument is 1 if an IF clause is present and false,
or the value of the NUM_THREADS clause, if present, or 0.
- The function needs to create the appropriate number of threads
-and/or launch them from the dock. It needs to create the team
-structure and assign team ids.
+ The function needs to create the appropriate number of threads and/or
+launch them from the dock. It needs to create the team structure and
+assign team ids.
void GOMP_parallel_end (void)
Tears down the team and returns us to the previous
-`omp_in_parallel()' state.
+'omp_in_parallel()' state.
\1f
File: libgomp.info, Node: Implementing FOR construct, Next: Implementing ORDERED construct, Prev: Implementing PARALLEL construct, Up: The libgomp ABI
evaluate it as many times as we want, and any variables involved should
automatically be handled as PRIVATE or SHARED like any other variables.
So the expression should remain evaluable in the subfunction. We can
-also pull it into a local variable if we like, but since its supposed
-to remain unchanged, we can also not if we like.
+also pull it into a local variable if we like, but since its supposed to
+remain unchanged, we can also not if we like.
- If we have SCHEDULE(STATIC), and no ORDERED, then we ought to be
-able to get away with no work-sharing context at all, since we can
-simply perform the arithmetic directly in each thread to divide up the
-iterations. Which would mean that we wouldn't need to call any of
-these routines.
+ If we have SCHEDULE(STATIC), and no ORDERED, then we ought to be able
+to get away with no work-sharing context at all, since we can simply
+perform the arithmetic directly in each thread to divide up the
+iterations. Which would mean that we wouldn't need to call any of these
+routines.
There are separate routines for handling loops with an ORDERED
clause. Bookkeeping for that is non-trivial...
Version 3, 29 June 2007
- Copyright (C) 2007 Free Software Foundation, Inc. `http://fsf.org/'
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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File: libgomp.info, Node: GNU Free Documentation License, Next: Funding, Prev: Copying, Up: Top
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- not Transparent if used for any substantial amount of text. A
- copy that is not "Transparent" is called "Opaque".
+ straightforwardly with generic text editors or (for images composed
+ of pixels) generic paint programs or (for drawings) some widely
+ available drawing editor, and that is suitable for input to text
+ formatters or for automatic translation to a variety of formats
+ suitable for input to text formatters. A copy made in an otherwise
+ Transparent file format whose markup, or absence of markup, has
+ been arranged to thwart or discourage subsequent modification by
+ readers is not Transparent. An image format is not Transparent if
+ used for any substantial amount of text. A copy that is not
+ "Transparent" is called "Opaque".
Examples of suitable formats for Transparent copies include plain
ASCII without markup, Texinfo input format, LaTeX input format,
- SGML or XML using a publicly available DTD, and
- standard-conforming simple HTML, PostScript or PDF designed for
- human modification. Examples of transparent image formats include
- PNG, XCF and JPG. Opaque formats include proprietary formats that
- can be read and edited only by proprietary word processors, SGML or
- XML for which the DTD and/or processing tools are not generally
- available, and the machine-generated HTML, PostScript or PDF
- produced by some word processors for output purposes only.
+ SGML or XML using a publicly available DTD, and standard-conforming
+ simple HTML, PostScript or PDF designed for human modification.
+ Examples of transparent image formats include PNG, XCF and JPG.
+ Opaque formats include proprietary formats that can be read and
+ edited only by proprietary word processors, SGML or XML for which
+ the DTD and/or processing tools are not generally available, and
+ the machine-generated HTML, PostScript or PDF produced by some word
+ processors for output purposes only.
The "Title Page" means, for a printed book, the title page itself,
plus such following pages as are needed to hold, legibly, the
may not use technical measures to obstruct or control the reading
or further copying of the copies you make or distribute. However,
you may accept compensation in exchange for copies. If you
- distribute a large enough number of copies you must also follow
- the conditions in section 3.
+ distribute a large enough number of copies you must also follow the
+ conditions in section 3.
You may also lend copies, under the same conditions stated above,
and you may publicly display copies.
these Cover Texts: Front-Cover Texts on the front cover, and
Back-Cover Texts on the back cover. Both covers must also clearly
and legibly identify you as the publisher of these copies. The
- front cover must present the full title with all words of the
- title equally prominent and visible. You may add other material
- on the covers in addition. Copying with changes limited to the
- covers, as long as they preserve the title of the Document and
- satisfy these conditions, can be treated as verbatim copying in
- other respects.
+ front cover must present the full title with all words of the title
+ equally prominent and visible. You may add other material on the
+ covers in addition. Copying with changes limited to the covers, as
+ long as they preserve the title of the Document and satisfy these
+ conditions, can be treated as verbatim copying in other respects.
If the required texts for either cover are too voluminous to fit
legibly, you should put the first ones listed (as many as fit
adjacent pages.
If you publish or distribute Opaque copies of the Document
- numbering more than 100, you must either include a
- machine-readable Transparent copy along with each Opaque copy, or
- state in or with each Opaque copy a computer-network location from
- which the general network-using public has access to download
- using public-standard network protocols a complete Transparent
- copy of the Document, free of added material. If you use the
- latter option, you must take reasonably prudent steps, when you
- begin distribution of Opaque copies in quantity, to ensure that
- this Transparent copy will remain thus accessible at the stated
- location until at least one year after the last time you
- distribute an Opaque copy (directly or through your agents or
- retailers) of that edition to the public.
+ numbering more than 100, you must either include a machine-readable
+ Transparent copy along with each Opaque copy, or state in or with
+ each Opaque copy a computer-network location from which the general
+ network-using public has access to download using public-standard
+ network protocols a complete Transparent copy of the Document, free
+ of added material. If you use the latter option, you must take
+ reasonably prudent steps, when you begin distribution of Opaque
+ copies in quantity, to ensure that this Transparent copy will
+ remain thus accessible at the stated location until at least one
+ year after the last time you distribute an Opaque copy (directly or
+ through your agents or retailers) of that edition to the public.
It is requested, but not required, that you contact the authors of
- the Document well before redistributing any large number of
- copies, to give them a chance to provide you with an updated
- version of the Document.
+ the Document well before redistributing any large number of copies,
+ to give them a chance to provide you with an updated version of the
+ Document.
4. MODIFICATIONS
You may copy and distribute a Modified Version of the Document
under the conditions of sections 2 and 3 above, provided that you
- release the Modified Version under precisely this License, with
- the Modified Version filling the role of the Document, thus
- licensing distribution and modification of the Modified Version to
- whoever possesses a copy of it. In addition, you must do these
- things in the Modified Version:
+ release the Modified Version under precisely this License, with the
+ Modified Version filling the role of the Document, thus licensing
+ distribution and modification of the Modified Version to whoever
+ possesses a copy of it. In addition, you must do these things in
+ the Modified Version:
A. Use in the Title Page (and on the covers, if any) a title
- distinct from that of the Document, and from those of
- previous versions (which should, if there were any, be listed
- in the History section of the Document). You may use the
- same title as a previous version if the original publisher of
- that version gives permission.
+ distinct from that of the Document, and from those of previous
+ versions (which should, if there were any, be listed in the
+ History section of the Document). You may use the same title
+ as a previous version if the original publisher of that
+ version gives permission.
B. List on the Title Page, as authors, one or more persons or
entities responsible for authorship of the modifications in
I. Preserve the section Entitled "History", Preserve its Title,
and add to it an item stating at least the title, year, new
- authors, and publisher of the Modified Version as given on
- the Title Page. If there is no section Entitled "History" in
- the Document, create one stating the title, year, authors,
- and publisher of the Document as given on its Title Page,
- then add an item describing the Modified Version as stated in
- the previous sentence.
+ authors, and publisher of the Modified Version as given on the
+ Title Page. If there is no section Entitled "History" in the
+ Document, create one stating the title, year, authors, and
+ publisher of the Document as given on its Title Page, then add
+ an item describing the Modified Version as stated in the
+ previous sentence.
J. Preserve the network location, if any, given in the Document
for public access to a Transparent copy of the Document, and
likewise the network locations given in the Document for
- previous versions it was based on. These may be placed in
- the "History" section. You may omit a network location for a
- work that was published at least four years before the
- Document itself, or if the original publisher of the version
- it refers to gives permission.
+ previous versions it was based on. These may be placed in the
+ "History" section. You may omit a network location for a work
+ that was published at least four years before the Document
+ itself, or if the original publisher of the version it refers
+ to gives permission.
K. For any section Entitled "Acknowledgements" or "Dedications",
- Preserve the Title of the section, and preserve in the
- section all the substance and tone of each of the contributor
+ Preserve the Title of the section, and preserve in the section
+ all the substance and tone of each of the contributor
acknowledgements and/or dedications given therein.
- L. Preserve all the Invariant Sections of the Document,
- unaltered in their text and in their titles. Section numbers
- or the equivalent are not considered part of the section
- titles.
+ L. Preserve all the Invariant Sections of the Document, unaltered
+ in their text and in their titles. Section numbers or the
+ equivalent are not considered part of the section titles.
M. Delete any section Entitled "Endorsements". Such a section
may not be included in the Modified Version.
If the Modified Version includes new front-matter sections or
appendices that qualify as Secondary Sections and contain no
- material copied from the Document, you may at your option
- designate some or all of these sections as invariant. To do this,
- add their titles to the list of Invariant Sections in the Modified
- Version's license notice. These titles must be distinct from any
- other section titles.
+ material copied from the Document, you may at your option designate
+ some or all of these sections as invariant. To do this, add their
+ titles to the list of Invariant Sections in the Modified Version's
+ license notice. These titles must be distinct from any other
+ section titles.
You may add a section Entitled "Endorsements", provided it contains
nothing but endorsements of your Modified Version by various
definition of a standard.
You may add a passage of up to five words as a Front-Cover Text,
- and a passage of up to 25 words as a Back-Cover Text, to the end
- of the list of Cover Texts in the Modified Version. Only one
- passage of Front-Cover Text and one of Back-Cover Text may be
- added by (or through arrangements made by) any one entity. If the
- Document already includes a cover text for the same cover,
- previously added by you or by arrangement made by the same entity
- you are acting on behalf of, you may not add another; but you may
- replace the old one, on explicit permission from the previous
- publisher that added the old one.
+ and a passage of up to 25 words as a Back-Cover Text, to the end of
+ the list of Cover Texts in the Modified Version. Only one passage
+ of Front-Cover Text and one of Back-Cover Text may be added by (or
+ through arrangements made by) any one entity. If the Document
+ already includes a cover text for the same cover, previously added
+ by you or by arrangement made by the same entity you are acting on
+ behalf of, you may not add another; but you may replace the old
+ one, on explicit permission from the previous publisher that added
+ the old one.
The author(s) and publisher(s) of the Document do not by this
License give permission to use their names for publicity for or to
You may combine the Document with other documents released under
this License, under the terms defined in section 4 above for
- modified versions, provided that you include in the combination
- all of the Invariant Sections of all of the original documents,
+ modified versions, provided that you include in the combination all
+ of the Invariant Sections of all of the original documents,
unmodified, and list them all as Invariant Sections of your
combined work in its license notice, and that you preserve all
their Warranty Disclaimers.
documents released under this License, and replace the individual
copies of this License in the various documents with a single copy
that is included in the collection, provided that you follow the
- rules of this License for verbatim copying of each of the
- documents in all other respects.
+ rules of this License for verbatim copying of each of the documents
+ in all other respects.
You may extract a single document from such a collection, and
distribute it individually under this License, provided you insert
- a copy of this License into the extracted document, and follow
- this License in all other respects regarding verbatim copying of
- that document.
+ a copy of this License into the extracted document, and follow this
+ License in all other respects regarding verbatim copying of that
+ document.
7. AGGREGATION WITH INDEPENDENT WORKS
A compilation of the Document or its derivatives with other
- separate and independent documents or works, in or on a volume of
- a storage or distribution medium, is called an "aggregate" if the
+ separate and independent documents or works, in or on a volume of a
+ storage or distribution medium, is called an "aggregate" if the
copyright resulting from the compilation is not used to limit the
legal rights of the compilation's users beyond what the individual
works permit. When the Document is included in an aggregate, this
However, if you cease all violation of this License, then your
license from a particular copyright holder is reinstated (a)
- provisionally, unless and until the copyright holder explicitly
- and finally terminates your license, and (b) permanently, if the
+ provisionally, unless and until the copyright holder explicitly and
+ finally terminates your license, and (b) permanently, if the
copyright holder fails to notify you of the violation by some
reasonable means prior to 60 days after the cessation.
after your receipt of the notice.
Termination of your rights under this section does not terminate
- the licenses of parties who have received copies or rights from
- you under this License. If your rights have been terminated and
- not permanently reinstated, receipt of a copy of some or all of
- the same material does not give you any rights to use it.
+ the licenses of parties who have received copies or rights from you
+ under this License. If your rights have been terminated and not
+ permanently reinstated, receipt of a copy of some or all of the
+ same material does not give you any rights to use it.
- 10. FUTURE REVISIONS OF THIS LICENSE
+ 10. FUTURE REVISIONS OF THIS LICENSE
The Free Software Foundation may publish new, revised versions of
the GNU Free Documentation License from time to time. Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns. See
- `http://www.gnu.org/copyleft/'.
+ <http://www.gnu.org/copyleft/>.
Each version of the License is given a distinguishing version
number. If the Document specifies that a particular numbered
version of this License "or any later version" applies to it, you
have the option of following the terms and conditions either of
that specified version or of any later version that has been
- published (not as a draft) by the Free Software Foundation. If
- the Document does not specify a version number of this License,
- you may choose any version ever published (not as a draft) by the
- Free Software Foundation. If the Document specifies that a proxy
- can decide which future versions of this License can be used, that
+ published (not as a draft) by the Free Software Foundation. If the
+ Document does not specify a version number of this License, you may
+ choose any version ever published (not as a draft) by the Free
+ Software Foundation. If the Document specifies that a proxy can
+ decide which future versions of this License can be used, that
proxy's public statement of acceptance of a version permanently
authorizes you to choose that version for the Document.
- 11. RELICENSING
+ 11. RELICENSING
"Massive Multiauthor Collaboration Site" (or "MMC Site") means any
World Wide Web server that publishes copyrightable works and also
site under CC-BY-SA on the same site at any time before August 1,
2009, provided the MMC is eligible for relicensing.
-
ADDENDUM: How to use this License for your documents
====================================================
Free Documentation License''.
If you have Invariant Sections, Front-Cover Texts and Back-Cover
-Texts, replace the "with...Texts." line with this:
+Texts, replace the "with...Texts." line with this:
with the Invariant Sections being LIST THEIR TITLES, with
the Front-Cover Texts being LIST, and with the Back-Cover Texts
situation.
If your document contains nontrivial examples of program code, we
-recommend releasing these examples in parallel under your choice of
-free software license, such as the GNU General Public License, to
-permit their use in free software.
+recommend releasing these examples in parallel under your choice of free
+software license, such as the GNU General Public License, to permit
+their use in free software.
\1f
File: libgomp.info, Node: Funding, Next: Library Index, Prev: GNU Free Documentation License, Up: Top
Even a precise fraction "of the profits from this disk" is not very
meaningful, since creative accounting and unrelated business decisions
-can greatly alter what fraction of the sales price counts as profit.
-If the price you pay is $50, ten percent of the profit is probably less
+can greatly alter what fraction of the sales price counts as profit. If
+the price you pay is $50, ten percent of the profit is probably less
than a dollar; it might be a few cents, or nothing at all.
Some redistributors do development work themselves. This is useful
a program contributes very little; maintaining the standard version of a
program for the whole community contributes much. Easy new ports
contribute little, since someone else would surely do them; difficult
-ports such as adding a new CPU to the GNU Compiler Collection
-contribute more; major new features or packages contribute the most.
+ports such as adding a new CPU to the GNU Compiler Collection contribute
+more; major new features or packages contribute the most.
By establishing the idea that supporting further development is "the
proper thing to do" when distributing free software for a fee, we can
\0\b[index\0\b]
* Menu:
-* Environment Variable <1>: GOMP_STACKSIZE. (line 6)
-* Environment Variable <2>: GOMP_CPU_AFFINITY. (line 6)
-* Environment Variable <3>: OMP_PROC_BIND. (line 6)
-* Environment Variable <4>: OMP_WAIT_POLICY. (line 6)
-* Environment Variable <5>: OMP_THREAD_LIMIT. (line 6)
-* Environment Variable <6>: OMP_STACKSIZE. (line 6)
-* Environment Variable <7>: OMP_SCHEDULE. (line 6)
-* Environment Variable <8>: OMP_NUM_THREADS. (line 6)
-* Environment Variable <9>: OMP_NESTED. (line 6)
-* Environment Variable <10>: OMP_MAX_ACTIVE_LEVELS. (line 6)
* Environment Variable: OMP_DYNAMIC. (line 6)
+* Environment Variable <1>: OMP_MAX_ACTIVE_LEVELS. (line 6)
+* Environment Variable <2>: OMP_NESTED. (line 6)
+* Environment Variable <3>: OMP_NUM_THREADS. (line 6)
+* Environment Variable <4>: OMP_SCHEDULE. (line 6)
+* Environment Variable <5>: OMP_STACKSIZE. (line 6)
+* Environment Variable <6>: OMP_THREAD_LIMIT. (line 6)
+* Environment Variable <7>: OMP_WAIT_POLICY. (line 6)
+* Environment Variable <8>: OMP_PROC_BIND. (line 6)
+* Environment Variable <9>: GOMP_CPU_AFFINITY. (line 6)
+* Environment Variable <10>: GOMP_STACKSIZE. (line 6)
* FDL, GNU Free Documentation License: GNU Free Documentation License.
(line 6)
-* Implementation specific setting <1>: GOMP_STACKSIZE. (line 6)
-* Implementation specific setting <2>: OMP_SCHEDULE. (line 6)
-* Implementation specific setting <3>: OMP_NUM_THREADS. (line 6)
* Implementation specific setting: OMP_NESTED. (line 6)
+* Implementation specific setting <1>: OMP_NUM_THREADS. (line 6)
+* Implementation specific setting <2>: OMP_SCHEDULE. (line 6)
+* Implementation specific setting <3>: GOMP_STACKSIZE. (line 6)
* Introduction: Top. (line 6)
\1f
Tag Table:
-Node: Top\7f2025
-Node: Enabling OpenMP\7f3219
-Node: Runtime Library Routines\7f4004
-Node: omp_get_active_level\7f6452
-Node: omp_get_ancestor_thread_num\7f7156
-Node: omp_get_dynamic\7f8083
-Node: omp_get_level\7f8961
-Node: omp_get_max_active_levels\7f9585
-Node: omp_get_max_threads\7f10288
-Node: omp_get_nested\7f11044
-Node: omp_get_num_procs\7f11956
-Node: omp_get_num_threads\7f12474
-Node: omp_get_schedule\7f13556
-Node: omp_get_team_size\7f14477
-Node: omp_get_thread_limit\7f15439
-Node: omp_get_thread_num\7f16062
-Node: omp_in_parallel\7f16930
-Node: omp_in_final\7f17577
-Node: omp_set_dynamic\7f18248
-Node: omp_set_max_active_levels\7f19085
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-Node: omp_set_schedule\7f21580
-Node: omp_init_lock\7f22652
-Node: omp_set_lock\7f23303
-Node: omp_test_lock\7f24154
-Node: omp_unset_lock\7f25125
-Node: omp_destroy_lock\7f26051
-Node: omp_init_nest_lock\7f26725
-Node: omp_set_nest_lock\7f27458
-Node: omp_test_nest_lock\7f28369
-Node: omp_unset_nest_lock\7f29398
-Node: omp_destroy_nest_lock\7f30408
-Node: omp_get_wtick\7f31156
-Node: omp_get_wtime\7f31747
-Node: Environment Variables\7f32521
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-Node: OMP_MAX_ACTIVE_LEVELS\7f34217
-Node: OMP_NESTED\7f34856
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-Node: OMP_PROC_BIND\7f38824
-Node: GOMP_CPU_AFFINITY\7f39382
-Node: GOMP_STACKSIZE\7f40923
-Node: The libgomp ABI\7f41733
-Node: Implementing MASTER construct\7f42532
-Node: Implementing CRITICAL construct\7f42946
-Node: Implementing ATOMIC construct\7f43685
-Node: Implementing FLUSH construct\7f44166
-Node: Implementing BARRIER construct\7f44437
-Node: Implementing THREADPRIVATE construct\7f44706
-Node: Implementing PRIVATE clause\7f45358
-Node: Implementing FIRSTPRIVATE LASTPRIVATE COPYIN and COPYPRIVATE clauses\7f45939
-Node: Implementing REDUCTION clause\7f47263
-Node: Implementing PARALLEL construct\7f47820
-Node: Implementing FOR construct\7f49077
-Node: Implementing ORDERED construct\7f51075
-Node: Implementing SECTIONS construct\7f51381
-Node: Implementing SINGLE construct\7f52147
-Node: Reporting Bugs\7f52809
-Node: Copying\7f53119
-Node: GNU Free Documentation License\7f90684
-Node: Funding\7f115826
-Node: Library Index\7f118351
+Node: Top\7f1992
+Node: Enabling OpenMP\7f3186
+Node: Runtime Library Routines\7f3973
+Node: omp_get_active_level\7f6422
+Node: omp_get_ancestor_thread_num\7f7128
+Node: omp_get_dynamic\7f8059
+Node: omp_get_level\7f8940
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+Node: omp_get_max_threads\7f10271
+Node: omp_get_nested\7f11029
+Node: omp_get_num_procs\7f11945
+Node: omp_get_num_threads\7f12465
+Node: omp_get_schedule\7f13552
+Node: omp_get_team_size\7f14479
+Node: omp_get_thread_limit\7f15445
+Node: omp_get_thread_num\7f16070
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+Node: omp_in_final\7f17592
+Node: omp_set_dynamic\7f18266
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+Node: omp_set_schedule\7f21612
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+Node: omp_set_nest_lock\7f27524
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+Node: omp_destroy_nest_lock\7f30484
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+Node: omp_get_wtime\7f31829
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+Node: OMP_MAX_ACTIVE_LEVELS\7f34304
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+Node: OMP_NUM_THREADS\7f35550
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+Node: OMP_PROC_BIND\7f38922
+Node: GOMP_CPU_AFFINITY\7f39481
+Node: GOMP_STACKSIZE\7f41026
+Node: The libgomp ABI\7f41839
+Node: Implementing MASTER construct\7f42638
+Node: Implementing CRITICAL construct\7f43052
+Node: Implementing ATOMIC construct\7f43791
+Node: Implementing FLUSH construct\7f44272
+Node: Implementing BARRIER construct\7f44543
+Node: Implementing THREADPRIVATE construct\7f44812
+Node: Implementing PRIVATE clause\7f45465
+Node: Implementing FIRSTPRIVATE LASTPRIVATE COPYIN and COPYPRIVATE clauses\7f46046
+Node: Implementing REDUCTION clause\7f47370
+Node: Implementing PARALLEL construct\7f47927
+Node: Implementing FOR construct\7f49184
+Node: Implementing ORDERED construct\7f51182
+Node: Implementing SECTIONS construct\7f51488
+Node: Implementing SINGLE construct\7f52254
+Node: Reporting Bugs\7f52916
+Node: Copying\7f53226
+Node: GNU Free Documentation License\7f90772
+Node: Funding\7f115894
+Node: Library Index\7f118420
\1f
End Tag Table
projects / platform / upstream / gcc48.git / blobdiff