X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=glib%2Fgthread.h;h=3f026f6311443cdd225e5aa38e161fa4308a3ba8;hb=30ed5f53e205e6bfc35126a9d3c62dac8a9c5dad;hp=3e3fd10a308849e4dc1f8e9aaf03c2c5095f43b4;hpb=794c1a30bc27b4c8d77537813acb1213d5ac80f2;p=platform%2Fupstream%2Fglib.git diff --git a/glib/gthread.h b/glib/gthread.h index 3e3fd10..3f026f6 100644 --- a/glib/gthread.h +++ b/glib/gthread.h @@ -1,20 +1,18 @@ /* GLIB - Library of useful routines for C programming * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * licence, or (at your option) any later version. * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * This library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * License along with this library; if not, see . */ /* @@ -24,24 +22,21 @@ * GLib at ftp://ftp.gtk.org/pub/gtk/. */ -#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) -#error "Only can be included directly." -#endif - #ifndef __G_THREAD_H__ #define __G_THREAD_H__ +#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#include #include -#include /* for G_INLINE_FUNC */ -#include /* for g_atomic_pointer_get */ G_BEGIN_DECLS -/* GLib Thread support - */ - -extern GQuark g_thread_error_quark (void); #define G_THREAD_ERROR g_thread_error_quark () +GLIB_AVAILABLE_IN_ALL +GQuark g_thread_error_quark (void); typedef enum { @@ -57,7 +52,7 @@ typedef struct _GRecMutex GRecMutex; typedef struct _GRWLock GRWLock; typedef struct _GCond GCond; typedef struct _GPrivate GPrivate; -typedef struct _GStaticPrivate GStaticPrivate; +typedef struct _GOnce GOnce; union _GMutex { @@ -90,43 +85,12 @@ struct _GRecMutex #define G_PRIVATE_INIT(notify) { NULL, (notify), { NULL, NULL } } struct _GPrivate { + /*< private >*/ gpointer p; GDestroyNotify notify; gpointer future[2]; }; -void g_thread_init (gpointer vtable); - -gboolean g_thread_get_initialized (void); - -GLIB_VAR gboolean g_threads_got_initialized; - -#if defined(G_THREADS_MANDATORY) -#define g_thread_supported() 1 -#else -#define g_thread_supported() (g_threads_got_initialized) -#endif - -GMutex* g_static_mutex_get_mutex_impl (GMutex **mutex); - -GThread *g_thread_new (const gchar *name, - GThreadFunc func, - gpointer data, - gboolean joinable, - GError **error); - -GThread *g_thread_new_full (const gchar *name, - GThreadFunc func, - gpointer data, - gboolean joinable, - gsize stack_size, - GError **error); - -GThread* g_thread_self (void); -void g_thread_exit (gpointer retval); -gpointer g_thread_join (GThread *thread); -void g_thread_yield (void); - typedef enum { G_ONCE_STATUS_NOTCALLED, @@ -134,16 +98,140 @@ typedef enum G_ONCE_STATUS_READY } GOnceStatus; -typedef struct _GOnce GOnce; +#define G_ONCE_INIT { G_ONCE_STATUS_NOTCALLED, NULL } struct _GOnce { volatile GOnceStatus status; volatile gpointer retval; }; -#define G_ONCE_INIT { G_ONCE_STATUS_NOTCALLED, NULL } +#define G_LOCK_NAME(name) g__ ## name ## _lock +#define G_LOCK_DEFINE_STATIC(name) static G_LOCK_DEFINE (name) +#define G_LOCK_DEFINE(name) GMutex G_LOCK_NAME (name) +#define G_LOCK_EXTERN(name) extern GMutex G_LOCK_NAME (name) + +#ifdef G_DEBUG_LOCKS +# define G_LOCK(name) G_STMT_START{ \ + g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ + "file %s: line %d (%s): locking: %s ", \ + __FILE__, __LINE__, G_STRFUNC, \ + #name); \ + g_mutex_lock (&G_LOCK_NAME (name)); \ + }G_STMT_END +# define G_UNLOCK(name) G_STMT_START{ \ + g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ + "file %s: line %d (%s): unlocking: %s ", \ + __FILE__, __LINE__, G_STRFUNC, \ + #name); \ + g_mutex_unlock (&G_LOCK_NAME (name)); \ + }G_STMT_END +# define G_TRYLOCK(name) \ + (g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ + "file %s: line %d (%s): try locking: %s ", \ + __FILE__, __LINE__, G_STRFUNC, \ + #name), g_mutex_trylock (&G_LOCK_NAME (name))) +#else /* !G_DEBUG_LOCKS */ +# define G_LOCK(name) g_mutex_lock (&G_LOCK_NAME (name)) +# define G_UNLOCK(name) g_mutex_unlock (&G_LOCK_NAME (name)) +# define G_TRYLOCK(name) g_mutex_trylock (&G_LOCK_NAME (name)) +#endif /* !G_DEBUG_LOCKS */ -gpointer g_once_impl (GOnce *once, GThreadFunc func, gpointer arg); +GLIB_AVAILABLE_IN_2_32 +GThread * g_thread_ref (GThread *thread); +GLIB_AVAILABLE_IN_2_32 +void g_thread_unref (GThread *thread); +GLIB_AVAILABLE_IN_2_32 +GThread * g_thread_new (const gchar *name, + GThreadFunc func, + gpointer data); +GLIB_AVAILABLE_IN_2_32 +GThread * g_thread_try_new (const gchar *name, + GThreadFunc func, + gpointer data, + GError **error); +GLIB_AVAILABLE_IN_ALL +GThread * g_thread_self (void); +GLIB_AVAILABLE_IN_ALL +void g_thread_exit (gpointer retval); +GLIB_AVAILABLE_IN_ALL +gpointer g_thread_join (GThread *thread); +GLIB_AVAILABLE_IN_ALL +void g_thread_yield (void); + + +GLIB_AVAILABLE_IN_2_32 +void g_mutex_init (GMutex *mutex); +GLIB_AVAILABLE_IN_2_32 +void g_mutex_clear (GMutex *mutex); +GLIB_AVAILABLE_IN_ALL +void g_mutex_lock (GMutex *mutex); +GLIB_AVAILABLE_IN_ALL +gboolean g_mutex_trylock (GMutex *mutex); +GLIB_AVAILABLE_IN_ALL +void g_mutex_unlock (GMutex *mutex); + +GLIB_AVAILABLE_IN_2_32 +void g_rw_lock_init (GRWLock *rw_lock); +GLIB_AVAILABLE_IN_2_32 +void g_rw_lock_clear (GRWLock *rw_lock); +GLIB_AVAILABLE_IN_2_32 +void g_rw_lock_writer_lock (GRWLock *rw_lock); +GLIB_AVAILABLE_IN_2_32 +gboolean g_rw_lock_writer_trylock (GRWLock *rw_lock); +GLIB_AVAILABLE_IN_2_32 +void g_rw_lock_writer_unlock (GRWLock *rw_lock); +GLIB_AVAILABLE_IN_2_32 +void g_rw_lock_reader_lock (GRWLock *rw_lock); +GLIB_AVAILABLE_IN_2_32 +gboolean g_rw_lock_reader_trylock (GRWLock *rw_lock); +GLIB_AVAILABLE_IN_2_32 +void g_rw_lock_reader_unlock (GRWLock *rw_lock); + +GLIB_AVAILABLE_IN_2_32 +void g_rec_mutex_init (GRecMutex *rec_mutex); +GLIB_AVAILABLE_IN_2_32 +void g_rec_mutex_clear (GRecMutex *rec_mutex); +GLIB_AVAILABLE_IN_2_32 +void g_rec_mutex_lock (GRecMutex *rec_mutex); +GLIB_AVAILABLE_IN_2_32 +gboolean g_rec_mutex_trylock (GRecMutex *rec_mutex); +GLIB_AVAILABLE_IN_2_32 +void g_rec_mutex_unlock (GRecMutex *rec_mutex); + +GLIB_AVAILABLE_IN_2_32 +void g_cond_init (GCond *cond); +GLIB_AVAILABLE_IN_2_32 +void g_cond_clear (GCond *cond); +GLIB_AVAILABLE_IN_ALL +void g_cond_wait (GCond *cond, + GMutex *mutex); +GLIB_AVAILABLE_IN_ALL +void g_cond_signal (GCond *cond); +GLIB_AVAILABLE_IN_ALL +void g_cond_broadcast (GCond *cond); +GLIB_AVAILABLE_IN_2_32 +gboolean g_cond_wait_until (GCond *cond, + GMutex *mutex, + gint64 end_time); + +GLIB_AVAILABLE_IN_ALL +gpointer g_private_get (GPrivate *key); +GLIB_AVAILABLE_IN_ALL +void g_private_set (GPrivate *key, + gpointer value); +GLIB_AVAILABLE_IN_2_32 +void g_private_replace (GPrivate *key, + gpointer value); + +GLIB_AVAILABLE_IN_ALL +gpointer g_once_impl (GOnce *once, + GThreadFunc func, + gpointer arg); +GLIB_AVAILABLE_IN_ALL +gboolean g_once_init_enter (volatile void *location); +GLIB_AVAILABLE_IN_ALL +void g_once_init_leave (volatile void *location, + gsize result); #ifdef G_ATOMIC_OP_MEMORY_BARRIER_NEEDED # define g_once(once, func, arg) g_once_impl ((once), (func), (arg)) @@ -154,11 +242,6 @@ gpointer g_once_impl (GOnce *once, GThreadFunc func, gpointer arg); g_once_impl ((once), (func), (arg))) #endif /* G_ATOMIC_OP_MEMORY_BARRIER_NEEDED */ -/* initialize-once guards, keyed by location */ -gboolean g_once_init_enter (volatile void *location); -void g_once_init_leave (volatile void *location, - gsize result); - #ifdef __GNUC__ # define g_once_init_enter(location) \ (G_GNUC_EXTENSION ({ \ @@ -180,83 +263,8 @@ void g_once_init_leave (volatile void *location, (g_once_init_leave((location), (gsize) (result))) #endif -#define G_LOCK_NAME(name) g__ ## name ## _lock -#define G_LOCK_DEFINE_STATIC(name) static G_LOCK_DEFINE (name) -#define G_LOCK_DEFINE(name) GMutex G_LOCK_NAME (name) -#define G_LOCK_EXTERN(name) extern GMutex G_LOCK_NAME (name) - -#ifdef G_DEBUG_LOCKS -# define G_LOCK(name) G_STMT_START{ \ - g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ - "file %s: line %d (%s): locking: %s ", \ - __FILE__, __LINE__, G_STRFUNC, \ - #name); \ - g_mutex_lock (&G_LOCK_NAME (name)); \ - }G_STMT_END -# define G_UNLOCK(name) G_STMT_START{ \ - g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ - "file %s: line %d (%s): unlocking: %s ", \ - __FILE__, __LINE__, G_STRFUNC, \ - #name); \ - g_mutex_unlock (&G_LOCK_NAME (name)); \ - }G_STMT_END -# define G_TRYLOCK(name) \ - (g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ - "file %s: line %d (%s): try locking: %s ", \ - __FILE__, __LINE__, G_STRFUNC, \ - #name), g_mutex_trylock (&G_LOCK_NAME (name))) -#else /* !G_DEBUG_LOCKS */ -# define G_LOCK(name) g_mutex_lock (&G_LOCK_NAME (name)) -# define G_UNLOCK(name) g_mutex_unlock (&G_LOCK_NAME (name)) -# define G_TRYLOCK(name) g_mutex_trylock (&G_LOCK_NAME (name)) -#endif /* !G_DEBUG_LOCKS */ - - -GMutex * g_mutex_new (void); -void g_mutex_free (GMutex *mutex); -void g_mutex_init (GMutex *mutex); -void g_mutex_clear (GMutex *mutex); - -void g_mutex_lock (GMutex *mutex); -void g_mutex_unlock (GMutex *mutex); -gboolean g_mutex_trylock (GMutex *mutex); - -void g_rw_lock_init (GRWLock *rw_lock); -void g_rw_lock_clear (GRWLock *rw_lock); -void g_rw_lock_writer_lock (GRWLock *rw_lock); -gboolean g_rw_lock_writer_trylock (GRWLock *rw_lock); -void g_rw_lock_writer_unlock (GRWLock *rw_lock); -void g_rw_lock_reader_lock (GRWLock *rw_lock); -gboolean g_rw_lock_reader_trylock (GRWLock *rw_lock); -void g_rw_lock_reader_unlock (GRWLock *rw_lock); - -void g_rec_mutex_init (GRecMutex *rec_mutex); -void g_rec_mutex_clear (GRecMutex *rec_mutex); -void g_rec_mutex_lock (GRecMutex *rec_mutex); -gboolean g_rec_mutex_trylock (GRecMutex *rec_mutex); -void g_rec_mutex_unlock (GRecMutex *rec_mutex); - -GCond * g_cond_new (void); -void g_cond_free (GCond *cond); -void g_cond_init (GCond *cond); -void g_cond_clear (GCond *cond); - -void g_cond_wait (GCond *cond, - GMutex *mutex); -void g_cond_signal (GCond *cond); -void g_cond_broadcast (GCond *cond); -gboolean g_cond_timed_wait (GCond *cond, - GMutex *mutex, - GTimeVal *timeval); -gboolean g_cond_timedwait (GCond *cond, - GMutex *mutex, - gint64 abs_time); - -gpointer g_private_get (GPrivate *key); -void g_private_set (GPrivate *key, - gpointer value); -void g_private_replace (GPrivate *key, - gpointer value); +GLIB_AVAILABLE_IN_2_36 +guint g_get_num_processors (void); G_END_DECLS