From: Daniel Jacobowitz Date: Wed, 12 Sep 2007 12:57:41 +0000 (+0000) Subject: * sysdeps/mips/nptl/tls.h (THREAD_GSCOPE_RESET_FLAG): Pass X-Git-Tag: upstream/2.30~10627^2~740 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c2766740df531409c2921f1c0213dcab2494e69;p=external%2Fglibc.git * sysdeps/mips/nptl/tls.h (THREAD_GSCOPE_RESET_FLAG): Pass LLL_PRIVATE argument to lll_futex_wake. * sysdeps/unix/sysv/linux/mips/bits/fcntl.h (O_CLOEXEC): Define. * sysdeps/unix/sysv/linux/mips/bits/socket.h (PF_UNIX): Update comment. (PF_IUCV, PF_RXRPC): Define. (PF_MAX): Update. (AF_IUCV, AF_RXRPC): Define. (MSG_CMSG_CLOEXEC): Define. (_EXTERN_INLINE): Define to __extern_inline. * sysdeps/unix/sysv/linux/mips/bits/stat.h (UTIME_NOW, UTIME_OMIT): Define. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: Include . * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h: Renamed all lll_mutex_* resp. lll_robust_mutex_* macros to lll_* resp. lll_robust_*. Renamed all LLL_MUTEX_LOCK_* macros to LLL_LOCK_*. Include . (LLL_LOCK_INITIALIZER): Remove duplicate definition. (LLL_PRIVATE, LLL_SHARED, __lll_private_flag): Define. * sysdeps/unix/sysv/linux/mips/nptl/pthread_once.c (clear_once_control, __pthread_once): Pass LLL_PRIVATE argument to lll_futex_wait. (lll_futex_wait, lll_futex_timed_wait, lll_futex_wake, lll_robust_dead, lll_futex_requeue, lll_futex_wake_unlock): Take private arguments. (__lll_robust_trylock): Convert to macro. (__lll_robust_lock_wait): Add private argument. (__lll_lock_wait_private, __lll_lock_wait): Declare. (__lll_lock): Convert to macro. Take private argument. (__lll_cond_lock): Likewise. (lll_lock, lll_cond_lock): Take private arguments. (__lll_robust_lock): Take private argument. Convert to macro. (lll_robust_lock, __lll_cond_lock, lll_cond_lock, lll_robust_cond_lock): Take private arguments. (__lll_timedlock_wait, __lll_robust_timedlock_wait): Take private arguments. (__lll_timedlock, __lll_robust_timedlock): Take private arguments. (lll_timedlock, lll_robust_timedlock): Take private arguments. (__lll_unlock, __lll_robust_unlock): Convert to macros. Take private arguments. (lll_unlock, lll_robust_unlock): Take private arguments. (__lll_mutex_unlock_force, lll_mutex_unlock_force, lll_lock_t, lll_trylock, lll_lock, lll_unlock, lll_islocked): Remove. (lll_wait_tid): Pass LLL_SHARED to lll_futex_wait. (__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake, __lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait, lll_cond_wake, lll_cond_broadcast): Remove. * sysdeps/unix/sysv/linux/mips/sys/tas.h (_EXTERN_INLINE): Define to __extern_inline. --- diff --git a/ChangeLog.mips b/ChangeLog.mips index 3216e73..0e8fda4 100644 --- a/ChangeLog.mips +++ b/ChangeLog.mips @@ -1,3 +1,57 @@ +2007-09-12 Joseph Myers + + * sysdeps/mips/nptl/tls.h (THREAD_GSCOPE_RESET_FLAG): Pass + LLL_PRIVATE argument to lll_futex_wake. + * sysdeps/unix/sysv/linux/mips/bits/fcntl.h (O_CLOEXEC): Define. + * sysdeps/unix/sysv/linux/mips/bits/socket.h (PF_UNIX): Update + comment. + (PF_IUCV, PF_RXRPC): Define. + (PF_MAX): Update. + (AF_IUCV, AF_RXRPC): Define. + (MSG_CMSG_CLOEXEC): Define. + (_EXTERN_INLINE): Define to __extern_inline. + * sysdeps/unix/sysv/linux/mips/bits/stat.h (UTIME_NOW, + UTIME_OMIT): Define. + * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: Include . + * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Likewise. + * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Likewise. + * sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h: Renamed all + lll_mutex_* resp. lll_robust_mutex_* macros to lll_* + resp. lll_robust_*. Renamed all LLL_MUTEX_LOCK_* macros to + LLL_LOCK_*. Include . + (LLL_LOCK_INITIALIZER): Remove duplicate definition. + (LLL_PRIVATE, LLL_SHARED, __lll_private_flag): Define. + * sysdeps/unix/sysv/linux/mips/nptl/pthread_once.c + (clear_once_control, __pthread_once): Pass LLL_PRIVATE argument to + lll_futex_wait. + (lll_futex_wait, lll_futex_timed_wait, lll_futex_wake, + lll_robust_dead, lll_futex_requeue, lll_futex_wake_unlock): Take + private arguments. + (__lll_robust_trylock): Convert to macro. + (__lll_robust_lock_wait): Add private argument. + (__lll_lock_wait_private, __lll_lock_wait): Declare. + (__lll_lock): Convert to macro. Take private argument. + (__lll_cond_lock): Likewise. + (lll_lock, lll_cond_lock): Take private arguments. + (__lll_robust_lock): Take private argument. Convert to macro. + (lll_robust_lock, __lll_cond_lock, lll_cond_lock, + lll_robust_cond_lock): Take private arguments. + (__lll_timedlock_wait, __lll_robust_timedlock_wait): Take private + arguments. + (__lll_timedlock, __lll_robust_timedlock): Take private arguments. + (lll_timedlock, lll_robust_timedlock): Take private arguments. + (__lll_unlock, __lll_robust_unlock): Convert to macros. Take + private arguments. + (lll_unlock, lll_robust_unlock): Take private arguments. + (__lll_mutex_unlock_force, lll_mutex_unlock_force, lll_lock_t, + lll_trylock, lll_lock, lll_unlock, lll_islocked): Remove. + (lll_wait_tid): Pass LLL_SHARED to lll_futex_wait. + (__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake, + __lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait, + lll_cond_wake, lll_cond_broadcast): Remove. + * sysdeps/unix/sysv/linux/mips/sys/tas.h (_EXTERN_INLINE): Define + to __extern_inline. + 2007-08-06 Maciej W. Rozycki * sysdeps/unix/sysv/linux/mips/dl-cache.h (_DL_CACHE_DEFAULT_ID): diff --git a/sysdeps/mips/nptl/tls.h b/sysdeps/mips/nptl/tls.h index dbe806a..20f9f96 100644 --- a/sysdeps/mips/nptl/tls.h +++ b/sysdeps/mips/nptl/tls.h @@ -166,7 +166,7 @@ typedef struct = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ THREAD_GSCOPE_FLAG_UNUSED); \ if (__res == THREAD_GSCOPE_FLAG_WAIT) \ - lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE); \ } \ while (0) #define THREAD_GSCOPE_SET_FLAG() \ diff --git a/sysdeps/unix/sysv/linux/mips/bits/fcntl.h b/sysdeps/unix/sysv/linux/mips/bits/fcntl.h index 3404663..27af9ed 100644 --- a/sysdeps/unix/sysv/linux/mips/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/mips/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux. - Copyright (C) 1995, 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2006 + Copyright (C) 1995, 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -51,6 +51,7 @@ # define O_DIRECT 0x8000 /* Direct disk access hint. */ # define O_DIRECTORY 0x10000 /* Must be a directory. */ # define O_NOATIME 0x40000 /* Do not set atime. */ +# define O_CLOEXEC 02000000 /* Set close_on_exec. */ #endif /* For now Linux has no synchronisity options for data and read operations. diff --git a/sysdeps/unix/sysv/linux/mips/bits/socket.h b/sysdeps/unix/sysv/linux/mips/bits/socket.h index 0e4a2be..8748c0a 100644 --- a/sysdeps/unix/sysv/linux/mips/bits/socket.h +++ b/sysdeps/unix/sysv/linux/mips/bits/socket.h @@ -1,5 +1,5 @@ /* System-specific socket constants and types. Linux/MIPS version. - Copyright (C) 1991, 92, 1994-1999, 2000, 2001, 2004, 2005, 2006 + Copyright (C) 1991, 92, 1994-1999, 2000, 2001, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -63,7 +63,7 @@ enum __socket_type /* Protocol families. */ #define PF_UNSPEC 0 /* Unspecified. */ #define PF_LOCAL 1 /* Local to host (pipes and file-domain). */ -#define PF_UNIX PF_LOCAL /* Old BSD name for PF_LOCAL. */ +#define PF_UNIX PF_LOCAL /* POSIX name for PF_LOCAL. */ #define PF_FILE PF_LOCAL /* Another non-standard name for PF_LOCAL. */ #define PF_INET 2 /* IP protocol family. */ #define PF_AX25 3 /* Amateur Radio AX.25. */ @@ -90,7 +90,9 @@ enum __socket_type #define PF_PPPOX 24 /* PPPoX sockets. */ #define PF_WANPIPE 25 /* Wanpipe API sockets. */ #define PF_BLUETOOTH 31 /* Bluetooth sockets. */ -#define PF_MAX 32 /* For now.. */ +#define PF_IUCV 32 /* IUCV sockets. */ +#define PF_RXRPC 33 /* RxRPC sockets. */ +#define PF_MAX 34 /* For now.. */ /* Address families. */ #define AF_UNSPEC PF_UNSPEC @@ -122,6 +124,8 @@ enum __socket_type #define AF_PPPOX PF_PPPOX #define AF_WANPIPE PF_WANPIPE #define AF_BLUETOOTH PF_BLUETOOTH +#define AF_IUCV PF_IUCV +#define AF_RXRPC PF_RXRPC #define AF_MAX PF_MAX /* Socket level values. Others are defined in the appropriate headers. @@ -206,8 +210,13 @@ enum #define MSG_ERRQUEUE MSG_ERRQUEUE MSG_NOSIGNAL = 0x4000, /* Do not generate SIGPIPE. */ #define MSG_NOSIGNAL MSG_NOSIGNAL - MSG_MORE = 0x8000 /* Sender will send more. */ + MSG_MORE = 0x8000, /* Sender will send more. */ #define MSG_MORE MSG_MORE + + MSG_CMSG_CLOEXEC = 0x40000000 /* Set close_on_exit for file + descriptor received through + SCM_RIGHTS. */ +#define MSG_CMSG_CLOEXEC MSG_CMSG_CLOEXEC }; @@ -259,7 +268,7 @@ extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW; #ifdef __USE_EXTERN_INLINES # ifndef _EXTERN_INLINE -# define _EXTERN_INLINE extern __inline +# define _EXTERN_INLINE __extern_inline # endif _EXTERN_INLINE struct cmsghdr * __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)) diff --git a/sysdeps/unix/sysv/linux/mips/bits/stat.h b/sysdeps/unix/sysv/linux/mips/bits/stat.h index 2081978..4e0e30f 100644 --- a/sysdeps/unix/sysv/linux/mips/bits/stat.h +++ b/sysdeps/unix/sysv/linux/mips/bits/stat.h @@ -1,5 +1,5 @@ -/* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004 - Free Software Foundation, Inc. +/* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, + 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -253,3 +253,9 @@ struct stat64 #define __S_IREAD 0400 /* Read by owner. */ #define __S_IWRITE 0200 /* Write by owner. */ #define __S_IEXEC 0100 /* Execute by owner. */ + +#if defined __USE_ATFILE || defined __USE_GNU +/* XXX This will change to the macro for the next 2008 POSIX revision. */ +# define UTIME_NOW ((1l << 30) - 1l) +# define UTIME_OMIT ((1l << 30) - 2l) +#endif diff --git a/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h index 3c19bff..089fa9d 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h +++ b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h @@ -22,6 +22,8 @@ /* There is some commonality. */ #include +#include + /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h of the kernel. But these symbols do not follow the SYS_* syntax diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h index b15d280..b2bbbb0 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h @@ -23,6 +23,8 @@ /* There is some commonality. */ #include +#include + /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h of the kernel. But these symbols do not follow the SYS_* syntax diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h index edf8786..8862607 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h @@ -23,6 +23,8 @@ /* There is some commonality. */ #include +#include + /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h of the kernel. But these symbols do not follow the SYS_* syntax diff --git a/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h b/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h index 4542e5b..1cb3d9b 100644 --- a/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h +++ b/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h @@ -24,7 +24,7 @@ #include #include #include - +#include #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 @@ -37,200 +37,224 @@ #define FUTEX_TRYLOCK_PI 8 #define FUTEX_PRIVATE_FLAG 128 -/* Initializer for compatibility lock. */ -#define LLL_MUTEX_LOCK_INITIALIZER (0) - -#define lll_futex_wait(futexp, val) \ - ({ \ - INTERNAL_SYSCALL_DECL (__err); \ - long int __ret; \ - __ret = INTERNAL_SYSCALL (futex, __err, 4, \ - (long) (futexp), FUTEX_WAIT, (val), 0); \ - INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \ - }) - -#define lll_futex_timed_wait(futexp, val, timespec) \ +/* Values for 'private' parameter of locking macros. Yes, the + definition seems to be backwards. But it is not. The bit will be + reversed before passing to the system call. */ +#define LLL_PRIVATE 0 +#define LLL_SHARED FUTEX_PRIVATE_FLAG + + +#if !defined NOT_IN_libc || defined IS_IN_rtld +/* In libc.so or ld.so all futexes are private. */ +# ifdef __ASSUME_PRIVATE_FUTEX +# define __lll_private_flag(fl, private) \ + ((fl) | FUTEX_PRIVATE_FLAG) +# else +# define __lll_private_flag(fl, private) \ + ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) +# endif +#else +# ifdef __ASSUME_PRIVATE_FUTEX +# define __lll_private_flag(fl, private) \ + (((fl) | FUTEX_PRIVATE_FLAG) ^ (private)) +# else +# define __lll_private_flag(fl, private) \ + (__builtin_constant_p (private) \ + ? ((private) == 0 \ + ? ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) \ + : (fl)) \ + : ((fl) | (((private) ^ FUTEX_PRIVATE_FLAG) \ + & THREAD_GETMEM (THREAD_SELF, header.private_futex)))) +# endif +#endif + + +#define lll_futex_wait(futexp, val, private) \ + lll_futex_timed_wait(futexp, val, NULL, private) + +#define lll_futex_timed_wait(futexp, val, timespec, private) \ ({ \ INTERNAL_SYSCALL_DECL (__err); \ long int __ret; \ - __ret = INTERNAL_SYSCALL (futex, __err, 4, \ - (long) (futexp), FUTEX_WAIT, (val), (timespec));\ + __ret = INTERNAL_SYSCALL (futex, __err, 4, (long) (futexp), \ + __lll_private_flag (FUTEX_WAIT, private), \ + (val), (timespec)); \ INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \ }) -#define lll_futex_wake(futexp, nr) \ +#define lll_futex_wake(futexp, nr, private) \ ({ \ INTERNAL_SYSCALL_DECL (__err); \ long int __ret; \ - __ret = INTERNAL_SYSCALL (futex, __err, 4, \ - (long) (futexp), FUTEX_WAKE, (nr), 0); \ + __ret = INTERNAL_SYSCALL (futex, __err, 4, (long) (futexp), \ + __lll_private_flag (FUTEX_WAKE, private), \ + (nr), 0); \ INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \ }) -#define lll_robust_mutex_dead(futexv) \ +#define lll_robust_dead(futexv, private) \ do \ { \ int *__futexp = &(futexv); \ atomic_or (__futexp, FUTEX_OWNER_DIED); \ - lll_futex_wake (__futexp, 1); \ + lll_futex_wake (__futexp, 1, private); \ } \ while (0) /* Returns non-zero if error happened, zero if success. */ -#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val) \ +#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val, private) \ ({ \ INTERNAL_SYSCALL_DECL (__err); \ long int __ret; \ - __ret = INTERNAL_SYSCALL (futex, __err, 6, \ - (long) (futexp), FUTEX_CMP_REQUEUE, (nr_wake), \ - (nr_move), (mutex), (val)); \ + __ret = INTERNAL_SYSCALL (futex, __err, 6, (long) (futexp), \ + __lll_private_flag (FUTEX_CMP_REQUEUE, private),\ + (nr_wake), (nr_move), (mutex), (val)); \ INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ }) /* Returns non-zero if error happened, zero if success. */ -#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \ +#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2, private) \ ({ \ INTERNAL_SYSCALL_DECL (__err); \ long int __ret; \ \ - __ret = INTERNAL_SYSCALL (futex, __err, 6, \ - (futexp), FUTEX_WAKE_OP, (nr_wake), \ - (nr_wake2), (futexp2), \ + __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \ + __lll_private_flag (FUTEX_WAKE_OP, private), \ + (nr_wake), (nr_wake2), (futexp2), \ FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \ INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ }) static inline int __attribute__((always_inline)) -__lll_mutex_trylock(int *futex) +__lll_trylock(int *futex) { return atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0; } -#define lll_mutex_trylock(lock) __lll_mutex_trylock (&(lock)) +#define lll_trylock(lock) __lll_trylock (&(lock)) static inline int __attribute__((always_inline)) -__lll_mutex_cond_trylock(int *futex) +__lll_cond_trylock(int *futex) { return atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0; } -#define lll_mutex_cond_trylock(lock) __lll_mutex_cond_trylock (&(lock)) +#define lll_cond_trylock(lock) __lll_cond_trylock (&(lock)) static inline int __attribute__((always_inline)) -__lll_robust_mutex_trylock(int *futex, int id) +__lll_robust_trylock(int *futex, int id) { return atomic_compare_and_exchange_val_acq (futex, id, 0) != 0; } -#define lll_robust_mutex_trylock(lock, id) \ - __lll_robust_mutex_trylock (&(lock), id) - -extern void __lll_lock_wait (int *futex) attribute_hidden; -extern int __lll_robust_lock_wait (int *futex) attribute_hidden; - -static inline void __attribute__((always_inline)) -__lll_mutex_lock(int *futex) -{ - if (atomic_compare_and_exchange_bool_acq (futex, 1, 0) != 0) - __lll_lock_wait (futex); -} -#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex)) - - -static inline int __attribute__ ((always_inline)) -__lll_robust_mutex_lock (int *futex, int id) -{ - int result = 0; - if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0) - result = __lll_robust_lock_wait (futex); - return result; -} -#define lll_robust_mutex_lock(futex, id) \ - __lll_robust_mutex_lock (&(futex), id) +#define lll_robust_trylock(lock, id) \ + __lll_robust_trylock (&(lock), id) + +extern void __lll_lock_wait_private (int *futex) attribute_hidden; +extern void __lll_lock_wait (int *futex, int private) attribute_hidden; +extern int __lll_robust_lock_wait (int *futex, int private) attribute_hidden; + +#define __lll_lock(futex, private) \ + ((void) ({ \ + int *__futex = (futex); \ + if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, \ + 1, 0), 0)) \ + { \ + if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \ + __lll_lock_wait_private (__futex); \ + else \ + __lll_lock_wait (__futex, private); \ + } \ + })) +#define lll_lock(futex, private) __lll_lock (&(futex), private) + + +#define __lll_robust_lock(futex, id, private) \ + ({ \ + int *__futex = (futex); \ + int __val = 0; \ + \ + if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id, \ + 0), 0)) \ + __val = __lll_robust_lock_wait (__futex, private); \ + __val; \ + }) +#define lll_robust_lock(futex, id, private) \ + __lll_robust_lock (&(futex), id, private) static inline void __attribute__ ((always_inline)) -__lll_mutex_cond_lock (int *futex) +__lll_cond_lock (int *futex, int private) { if (atomic_compare_and_exchange_bool_acq (futex, 2, 0) != 0) - __lll_lock_wait (futex); + __lll_lock_wait (futex, private); } -#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex)) +#define lll_cond_lock(futex, private) __lll_cond_lock (&(futex), private) -#define lll_robust_mutex_cond_lock(futex, id) \ - __lll_robust_mutex_lock (&(futex), (id) | FUTEX_WAITERS) +#define lll_robust_cond_lock(futex, id, private) \ + __lll_robust_lock (&(futex), (id) | FUTEX_WAITERS, private) -extern int __lll_timedlock_wait (int *futex, const struct timespec *) - attribute_hidden; -extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *) - attribute_hidden; +extern int __lll_timedlock_wait (int *futex, const struct timespec *, + int private) attribute_hidden; +extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *, + int private) attribute_hidden; static inline int __attribute__ ((always_inline)) -__lll_mutex_timedlock (int *futex, const struct timespec *abstime) +__lll_timedlock (int *futex, const struct timespec *abstime, int private) { int result = 0; if (atomic_compare_and_exchange_bool_acq (futex, 1, 0) != 0) - result = __lll_timedlock_wait (futex, abstime); + result = __lll_timedlock_wait (futex, abstime, private); return result; } -#define lll_mutex_timedlock(futex, abstime) \ - __lll_mutex_timedlock (&(futex), abstime) +#define lll_timedlock(futex, abstime, private) \ + __lll_timedlock (&(futex), abstime, private) static inline int __attribute__ ((always_inline)) -__lll_robust_mutex_timedlock (int *futex, const struct timespec *abstime, - int id) +__lll_robust_timedlock (int *futex, const struct timespec *abstime, + int id, int private) { int result = 0; if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0) - result = __lll_robust_timedlock_wait (futex, abstime); + result = __lll_robust_timedlock_wait (futex, abstime, private); return result; } -#define lll_robust_mutex_timedlock(futex, abstime, id) \ - __lll_robust_mutex_timedlock (&(futex), abstime, id) +#define lll_robust_timedlock(futex, abstime, id, private) \ + __lll_robust_timedlock (&(futex), abstime, id, private) -static inline void __attribute__ ((always_inline)) -__lll_mutex_unlock (int *futex) -{ - int val = atomic_exchange_rel (futex, 0); - if (__builtin_expect (val > 1, 0)) - lll_futex_wake (futex, 1); -} -#define lll_mutex_unlock(futex) __lll_mutex_unlock(&(futex)) - - -static inline void __attribute__ ((always_inline)) -__lll_robust_mutex_unlock (int *futex, int mask) -{ - int val = atomic_exchange_rel (futex, 0); - if (__builtin_expect (val & mask, 0)) - lll_futex_wake (futex, 1); -} -#define lll_robust_mutex_unlock(futex) \ - __lll_robust_mutex_unlock(&(futex), FUTEX_WAITERS) +#define __lll_unlock(futex, private) \ + ((void) ({ \ + int *__futex = (futex); \ + int __val = atomic_exchange_rel (__futex, 0); \ + \ + if (__builtin_expect (__val > 1, 0)) \ + lll_futex_wake (__futex, 1, private); \ + })) +#define lll_unlock(futex, private) __lll_unlock(&(futex), private) -static inline void __attribute__ ((always_inline)) -__lll_mutex_unlock_force (int *futex) -{ - (void) atomic_exchange_rel (futex, 0); - lll_futex_wake (futex, 1); -} -#define lll_mutex_unlock_force(futex) __lll_mutex_unlock_force(&(futex)) +#define __lll_robust_unlock(futex, private) \ + ((void) ({ \ + int *__futex = (futex); \ + int __val = atomic_exchange_rel (__futex, 0); \ + \ + if (__builtin_expect (__val & FUTEX_WAITERS, 0)) \ + lll_futex_wake (__futex, 1, private); \ + })) +#define lll_robust_unlock(futex, private) \ + __lll_robust_unlock(&(futex), private) -#define lll_mutex_islocked(futex) \ +#define lll_islocked(futex) \ (futex != 0) /* Our internal lock implementation is identical to the binary-compatible mutex implementation. */ -/* Type for lock object. */ -typedef int lll_lock_t; - /* Initializers for lock. */ #define LLL_LOCK_INITIALIZER (0) #define LLL_LOCK_INITIALIZER_LOCKED (1) @@ -240,20 +264,15 @@ typedef int lll_lock_t; 1 - taken by one user >1 - taken by more users */ -#define lll_trylock(lock) lll_mutex_trylock (lock) -#define lll_lock(lock) lll_mutex_lock (lock) -#define lll_unlock(lock) lll_mutex_unlock (lock) -#define lll_islocked(lock) lll_mutex_islocked (lock) - /* The kernel notifies a process which uses CLONE_CLEARTID via futex wakeup when the clone terminates. The memory location contains the thread ID while the clone is running and is reset to zero afterwards. */ #define lll_wait_tid(tid) \ - do { \ - __typeof (tid) __tid; \ - while ((__tid = (tid)) != 0) \ - lll_futex_wait (&(tid), __tid); \ + do { \ + __typeof (tid) __tid; \ + while ((__tid = (tid)) != 0) \ + lll_futex_wait (&(tid), __tid, LLL_SHARED); \ } while (0) extern int __lll_timedwait_tid (int *, const struct timespec *) @@ -267,26 +286,4 @@ extern int __lll_timedwait_tid (int *, const struct timespec *) __res; \ }) - -/* Conditional variable handling. */ - -extern void __lll_cond_wait (pthread_cond_t *cond) - attribute_hidden; -extern int __lll_cond_timedwait (pthread_cond_t *cond, - const struct timespec *abstime) - attribute_hidden; -extern void __lll_cond_wake (pthread_cond_t *cond) - attribute_hidden; -extern void __lll_cond_broadcast (pthread_cond_t *cond) - attribute_hidden; - -#define lll_cond_wait(cond) \ - __lll_cond_wait (cond) -#define lll_cond_timedwait(cond, abstime) \ - __lll_cond_timedwait (cond, abstime) -#define lll_cond_wake(cond) \ - __lll_cond_wake (cond) -#define lll_cond_broadcast(cond) \ - __lll_cond_broadcast (cond) - #endif /* lowlevellock.h */ diff --git a/sysdeps/unix/sysv/linux/mips/nptl/pthread_once.c b/sysdeps/unix/sysv/linux/mips/nptl/pthread_once.c index 649b752..ddfd32b 100644 --- a/sysdeps/unix/sysv/linux/mips/nptl/pthread_once.c +++ b/sysdeps/unix/sysv/linux/mips/nptl/pthread_once.c @@ -30,7 +30,7 @@ clear_once_control (void *arg) pthread_once_t *once_control = (pthread_once_t *) arg; *once_control = 0; - lll_futex_wake (once_control, INT_MAX); + lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE); } @@ -65,7 +65,7 @@ __pthread_once (once_control, init_routine) if (((oldval ^ newval) & -4) == 0) { /* Same generation, some other thread was faster. Wait. */ - lll_futex_wait (once_control, newval); + lll_futex_wait (once_control, newval, LLL_PRIVATE); continue; } } @@ -84,7 +84,7 @@ __pthread_once (once_control, init_routine) atomic_increment (once_control); /* Wake up all other threads. */ - lll_futex_wake (once_control, INT_MAX); + lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE); break; } diff --git a/sysdeps/unix/sysv/linux/mips/sys/tas.h b/sysdeps/unix/sysv/linux/mips/sys/tas.h index 1183b86..309438d 100644 --- a/sysdeps/unix/sysv/linux/mips/sys/tas.h +++ b/sysdeps/unix/sysv/linux/mips/sys/tas.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2002, 2003, 2004, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Maciej W. Rozycki , 2000. @@ -30,7 +30,7 @@ extern int _test_and_set (int *p, int v) __THROW; #ifdef __USE_EXTERN_INLINES # ifndef _EXTERN_INLINE -# define _EXTERN_INLINE extern __inline +# define _EXTERN_INLINE __extern_inline # endif _EXTERN_INLINE int