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Don't mark memory synchronisation functions as leaf

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This commit is contained in:
Andreas Schwab
2011-10-27 16:52:22 +02:00
parent 21b64b1536
commit 3871f58f06
7 changed files with 45 additions and 26 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2011-10-27 Andreas Schwab <schwab@redhat.com>
[BZ #13344]
* misc/sys/cdefs.h (__THROWNL): Define.
* posix/unistd.h: Use __THREADNL instead of __THREAD
for memory synchronization functions.
2011-10-26 Roland McGrath <roland@hack.frob.com> 2011-10-26 Roland McGrath <roland@hack.frob.com>
[BZ #13349] [BZ #13349]

4
NEWS
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@ -1,4 +1,4 @@
GNU C Library NEWS -- history of user-visible changes. 2011-10-20 GNU C Library NEWS -- history of user-visible changes. 2011-10-27
Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc. Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
See the end for copying conditions. See the end for copying conditions.
@ -11,7 +11,7 @@ Version 2.15
6779, 6783, 9696, 11589, 12403, 12847, 12868, 12852, 12874, 12885, 12892, 6779, 6783, 9696, 11589, 12403, 12847, 12868, 12852, 12874, 12885, 12892,
12907, 12922, 12935, 13007, 13021, 13067, 13068, 13090, 13092, 13114, 12907, 12922, 12935, 13007, 13021, 13067, 13068, 13090, 13092, 13114,
13118, 13123, 13134, 13138, 13150, 13179, 13192, 13268, 13291 13118, 13123, 13134, 13138, 13150, 13179, 13192, 13268, 13291, 13344
* New program pldd to list loaded object of a process * New program pldd to list loaded object of a process
Implemented by Ulrich Drepper. Implemented by Ulrich Drepper.

7
misc/sys/cdefs.h
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@ -38,7 +38,8 @@
#ifdef __GNUC__ #ifdef __GNUC__
/* All functions, except those with callbacks, are leaf functions. */ /* All functions, except those with callbacks or those that
synchronize memory, are leaf functions. */
# if __GNUC_PREREQ (4, 6) && !defined _LIBC # if __GNUC_PREREQ (4, 6) && !defined _LIBC
# define __LEAF , __leaf__ # define __LEAF , __leaf__
# define __LEAF_ATTR __attribute__ ((__leaf__)) # define __LEAF_ATTR __attribute__ ((__leaf__))
@ -54,13 +55,16 @@
the -fexceptions options for C code as well. */ the -fexceptions options for C code as well. */
# if !defined __cplusplus && __GNUC_PREREQ (3, 3) # if !defined __cplusplus && __GNUC_PREREQ (3, 3)
# define __THROW __attribute__ ((__nothrow__ __LEAF)) # define __THROW __attribute__ ((__nothrow__ __LEAF))
# define __THROWNL __attribute__ ((__nothrow__))
# define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct # define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct
# else # else
# if defined __cplusplus && __GNUC_PREREQ (2,8) # if defined __cplusplus && __GNUC_PREREQ (2,8)
# define __THROW throw () # define __THROW throw ()
# define __THROWNL throw ()
# define __NTH(fct) __LEAF_ATTR fct throw () # define __NTH(fct) __LEAF_ATTR fct throw ()
# else # else
# define __THROW # define __THROW
# define __THROWNL
# define __NTH(fct) fct # define __NTH(fct) fct
# endif # endif
# endif # endif
@ -70,6 +74,7 @@
# define __inline /* No inline functions. */ # define __inline /* No inline functions. */
# define __THROW # define __THROW
# define __THROWNL
# define __NTH(fct) fct # define __NTH(fct) fct
# define __const const # define __const const

7
nptl/ChangeLog
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@ -1,3 +1,10 @@
2011-10-27 Andreas Schwab <schwab@redhat.com>
[BZ #13344]
* sysdeps/pthread/pthread.h: Use __THREADNL instead of __THREAD
for memory synchronization functions.
* semaphore.h: Likewise.
2011-10-24 Ulrich Drepper <drepper@gmail.com> 2011-10-24 Ulrich Drepper <drepper@gmail.com>
* tst-cancel7.c: Avoid warning. * tst-cancel7.c: Avoid warning.

6
nptl/semaphore.h
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. /* Copyright (C) 2002, 2003, 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -64,10 +64,10 @@ extern int sem_timedwait (sem_t *__restrict __sem,
#endif #endif
/* Test whether SEM is posted. */ /* Test whether SEM is posted. */
extern int sem_trywait (sem_t *__sem) __THROW; extern int sem_trywait (sem_t *__sem) __THROWNL;
/* Post SEM. */ /* Post SEM. */
extern int sem_post (sem_t *__sem) __THROW; extern int sem_post (sem_t *__sem) __THROWNL;
/* Get current value of SEM and store it in *SVAL. */ /* Get current value of SEM and store it in *SVAL. */
extern int sem_getvalue (sem_t *__restrict __sem, int *__restrict __sval) extern int sem_getvalue (sem_t *__restrict __sem, int *__restrict __sval)

38
nptl/sysdeps/pthread/pthread.h
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 /* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc. Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
@ -225,7 +225,7 @@ __BEGIN_DECLS
extern int pthread_create (pthread_t *__restrict __newthread, extern int pthread_create (pthread_t *__restrict __newthread,
__const pthread_attr_t *__restrict __attr, __const pthread_attr_t *__restrict __attr,
void *(*__start_routine) (void *), void *(*__start_routine) (void *),
void *__restrict __arg) __THROW __nonnull ((1, 3)); void *__restrict __arg) __THROWNL __nonnull ((1, 3));
/* Terminate calling thread. /* Terminate calling thread.
@ -740,22 +740,22 @@ extern int pthread_mutex_destroy (pthread_mutex_t *__mutex)
/* Try locking a mutex. */ /* Try locking a mutex. */
extern int pthread_mutex_trylock (pthread_mutex_t *__mutex) extern int pthread_mutex_trylock (pthread_mutex_t *__mutex)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Lock a mutex. */ /* Lock a mutex. */
extern int pthread_mutex_lock (pthread_mutex_t *__mutex) extern int pthread_mutex_lock (pthread_mutex_t *__mutex)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
#ifdef __USE_XOPEN2K #ifdef __USE_XOPEN2K
/* Wait until lock becomes available, or specified time passes. */ /* Wait until lock becomes available, or specified time passes. */
extern int pthread_mutex_timedlock (pthread_mutex_t *__restrict __mutex, extern int pthread_mutex_timedlock (pthread_mutex_t *__restrict __mutex,
__const struct timespec *__restrict __const struct timespec *__restrict
__abstime) __THROW __nonnull ((1, 2)); __abstime) __THROWNL __nonnull ((1, 2));
#endif #endif
/* Unlock a mutex. */ /* Unlock a mutex. */
extern int pthread_mutex_unlock (pthread_mutex_t *__mutex) extern int pthread_mutex_unlock (pthread_mutex_t *__mutex)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Get the priority ceiling of MUTEX. */ /* Get the priority ceiling of MUTEX. */
@ -879,37 +879,37 @@ extern int pthread_rwlock_destroy (pthread_rwlock_t *__rwlock)
/* Acquire read lock for RWLOCK. */ /* Acquire read lock for RWLOCK. */
extern int pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock) extern int pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Try to acquire read lock for RWLOCK. */ /* Try to acquire read lock for RWLOCK. */
extern int pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock) extern int pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
# ifdef __USE_XOPEN2K # ifdef __USE_XOPEN2K
/* Try to acquire read lock for RWLOCK or return after specfied time. */ /* Try to acquire read lock for RWLOCK or return after specfied time. */
extern int pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock, extern int pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock,
__const struct timespec *__restrict __const struct timespec *__restrict
__abstime) __THROW __nonnull ((1, 2)); __abstime) __THROWNL __nonnull ((1, 2));
# endif # endif
/* Acquire write lock for RWLOCK. */ /* Acquire write lock for RWLOCK. */
extern int pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock) extern int pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Try to acquire write lock for RWLOCK. */ /* Try to acquire write lock for RWLOCK. */
extern int pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock) extern int pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
# ifdef __USE_XOPEN2K # ifdef __USE_XOPEN2K
/* Try to acquire write lock for RWLOCK or return after specfied time. */ /* Try to acquire write lock for RWLOCK or return after specfied time. */
extern int pthread_rwlock_timedwrlock (pthread_rwlock_t *__restrict __rwlock, extern int pthread_rwlock_timedwrlock (pthread_rwlock_t *__restrict __rwlock,
__const struct timespec *__restrict __const struct timespec *__restrict
__abstime) __THROW __nonnull ((1, 2)); __abstime) __THROWNL __nonnull ((1, 2));
# endif # endif
/* Unlock RWLOCK. */ /* Unlock RWLOCK. */
extern int pthread_rwlock_unlock (pthread_rwlock_t *__rwlock) extern int pthread_rwlock_unlock (pthread_rwlock_t *__rwlock)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Functions for handling read-write lock attributes. */ /* Functions for handling read-write lock attributes. */
@ -959,11 +959,11 @@ extern int pthread_cond_destroy (pthread_cond_t *__cond)
/* Wake up one thread waiting for condition variable COND. */ /* Wake up one thread waiting for condition variable COND. */
extern int pthread_cond_signal (pthread_cond_t *__cond) extern int pthread_cond_signal (pthread_cond_t *__cond)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Wake up all threads waiting for condition variables COND. */ /* Wake up all threads waiting for condition variables COND. */
extern int pthread_cond_broadcast (pthread_cond_t *__cond) extern int pthread_cond_broadcast (pthread_cond_t *__cond)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Wait for condition variable COND to be signaled or broadcast. /* Wait for condition variable COND to be signaled or broadcast.
MUTEX is assumed to be locked before. MUTEX is assumed to be locked before.
@ -1034,15 +1034,15 @@ extern int pthread_spin_destroy (pthread_spinlock_t *__lock)
/* Wait until spinlock LOCK is retrieved. */ /* Wait until spinlock LOCK is retrieved. */
extern int pthread_spin_lock (pthread_spinlock_t *__lock) extern int pthread_spin_lock (pthread_spinlock_t *__lock)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Try to lock spinlock LOCK. */ /* Try to lock spinlock LOCK. */
extern int pthread_spin_trylock (pthread_spinlock_t *__lock) extern int pthread_spin_trylock (pthread_spinlock_t *__lock)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Release spinlock LOCK. */ /* Release spinlock LOCK. */
extern int pthread_spin_unlock (pthread_spinlock_t *__lock) extern int pthread_spin_unlock (pthread_spinlock_t *__lock)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Functions to handle barriers. */ /* Functions to handle barriers. */
@ -1060,7 +1060,7 @@ extern int pthread_barrier_destroy (pthread_barrier_t *__barrier)
/* Wait on barrier BARRIER. */ /* Wait on barrier BARRIER. */
extern int pthread_barrier_wait (pthread_barrier_t *__barrier) extern int pthread_barrier_wait (pthread_barrier_t *__barrier)
__THROW __nonnull ((1)); __THROWNL __nonnull ((1));
/* Initialize barrier attribute ATTR. */ /* Initialize barrier attribute ATTR. */

2
posix/unistd.h
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@ -776,7 +776,7 @@ extern int setresgid (__gid_t __rgid, __gid_t __egid, __gid_t __sgid)
/* Clone the calling process, creating an exact copy. /* Clone the calling process, creating an exact copy.
Return -1 for errors, 0 to the new process, Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */ and the process ID of the new process to the old process. */
extern __pid_t fork (void) __THROW; extern __pid_t fork (void) __THROWNL;
#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8) \ #if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8) \
|| defined __USE_BSD || defined __USE_BSD