diff options
author | Roland McGrath <roland@gnu.org> | 2002-10-11 10:55:33 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2002-10-11 10:55:33 +0000 |
commit | 3021e36d989d96ddb46e4f98da3dc91eddcf725d (patch) | |
tree | 3059a5ff33b0ba3f6b496d9e756ebedca4c79aba /linuxthreads/sysdeps/pthread/bits | |
parent | ce460d04a5bd10d7353ca37dfa9d34275449fb3b (diff) | |
download | glibc-3021e36d989d96ddb46e4f98da3dc91eddcf725d.zip glibc-3021e36d989d96ddb46e4f98da3dc91eddcf725d.tar.gz glibc-3021e36d989d96ddb46e4f98da3dc91eddcf725d.tar.bz2 |
* stdio-common/tst-sscanf.c (val_double): Append .0 to large whole
number literals, so they are doubles instead of ints.
Diffstat (limited to 'linuxthreads/sysdeps/pthread/bits')
-rw-r--r-- | linuxthreads/sysdeps/pthread/bits/libc-lock.h | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/linuxthreads/sysdeps/pthread/bits/libc-lock.h b/linuxthreads/sysdeps/pthread/bits/libc-lock.h index 4e884a0..c25c038 100644 --- a/linuxthreads/sysdeps/pthread/bits/libc-lock.h +++ b/linuxthreads/sysdeps/pthread/bits/libc-lock.h @@ -1,5 +1,6 @@ /* libc-internal interface for mutex locks. LinuxThreads version. - Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc. + Copyright (C) 1996,1997,1998,1999,2000,2001,2002 + 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 @@ -81,12 +82,21 @@ typedef pthread_key_t __libc_key_t; #define _LIBC_LOCK_RECURSIVE_INITIALIZER \ {PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP} +#ifdef __PIC__ +#define __libc_maybe_call(FUNC, ARGS, ELSE) \ + (__extension__ ({ __typeof (FUNC) *_fn = (FUNC); \ + _fn != NULL ? (*_fn) ARGS : ELSE; })) +#else +#define __libc_maybe_call(FUNC, ARGS, ELSE) \ + (FUNC != NULL ? FUNC ARGS : ELSE) +#endif + /* Initialize the named lock variable, leaving it in a consistent, unlocked state. */ #define __libc_lock_init(NAME) \ - (__pthread_mutex_init != NULL ? __pthread_mutex_init (&(NAME), NULL) : 0); + (__libc_maybe_call (__pthread_mutex_init, (&(NAME), NULL), 0)) #define __libc_rwlock_init(NAME) \ - (__pthread_rwlock_init != NULL ? __pthread_rwlock_init (&(NAME), NULL) : 0); + (__libc_maybe_call (__pthread_rwlock_init, (&(NAME), NULL), 0)); /* Same as last but this time we initialize a recursive mutex. */ #define __libc_lock_init_recursive(NAME) \ @@ -105,42 +115,40 @@ typedef pthread_key_t __libc_key_t; used again until __libc_lock_init is called again on it. This must be called on a lock variable before the containing storage is reused. */ #define __libc_lock_fini(NAME) \ - (__pthread_mutex_destroy != NULL ? __pthread_mutex_destroy (&(NAME)) : 0); + (__libc_maybe_call (__pthread_mutex_destroy, (&(NAME)), 0)); #define __libc_rwlock_fini(NAME) \ - (__pthread_rwlock_destroy != NULL ? __pthread_rwlock_destroy (&(NAME)) : 0); + (__libc_maybe_call (__pthread_rwlock_destroy, (&(NAME)), 0)); /* Finalize recursive named lock. */ #define __libc_lock_fini_recursive(NAME) __libc_lock_fini ((NAME).mutex) /* Lock the named lock variable. */ #define __libc_lock_lock(NAME) \ - (__pthread_mutex_lock != NULL ? __pthread_mutex_lock (&(NAME)) : 0); + (__libc_maybe_call (__pthread_mutex_lock, (&(NAME)), 0)); #define __libc_rwlock_rdlock(NAME) \ - (__pthread_rwlock_rdlock != NULL ? __pthread_rwlock_rdlock (&(NAME)) : 0); + (__libc_maybe_call (__pthread_rwlock_rdlock, (&(NAME)), 0)); #define __libc_rwlock_wrlock(NAME) \ - (__pthread_rwlock_wrlock != NULL ? __pthread_rwlock_wrlock (&(NAME)) : 0); + (__libc_maybe_call (__pthread_rwlock_wrlock, (&(NAME)), 0)); /* Lock the recursive named lock variable. */ #define __libc_lock_lock_recursive(NAME) __libc_lock_lock ((NAME).mutex) /* Try to lock the named lock variable. */ #define __libc_lock_trylock(NAME) \ - (__pthread_mutex_trylock != NULL ? __pthread_mutex_trylock (&(NAME)) : 0) + (__libc_maybe_call (__pthread_mutex_trylock, (&(NAME)), 0)) #define __libc_rwlock_tryrdlock(NAME) \ - (__pthread_rwlock_tryrdlock != NULL \ - ? __pthread_rwlock_tryrdlock (&(NAME)) : 0) + (__libc_maybe_call (__pthread_rwlock_tryrdlock, (&(NAME)), 0)) #define __libc_rwlock_trywrlock(NAME) \ - (__pthread_rwlock_trywrlock != NULL \ - ? __pthread_rwlock_trywrlock (&(NAME)) : 0) + (__libc_maybe_call (__pthread_rwlock_trywrlock, (&(NAME)), 0)) /* Try to lock the recursive named lock variable. */ #define __libc_lock_trylock_recursive(NAME) __libc_lock_trylock ((NAME).mutex) /* Unlock the named lock variable. */ #define __libc_lock_unlock(NAME) \ - (__pthread_mutex_unlock != NULL ? __pthread_mutex_unlock (&(NAME)) : 0); + (__libc_maybe_call (__pthread_mutex_unlock, (&(NAME)), 0)); #define __libc_rwlock_unlock(NAME) \ - (__pthread_rwlock_unlock != NULL ? __pthread_rwlock_unlock (&(NAME)) : 0); + (__libc_maybe_call (__pthread_rwlock_unlock, (&(NAME)), 0)); /* Unlock the recursive named lock variable. */ #define __libc_lock_unlock_recursive(NAME) __libc_lock_unlock ((NAME).mutex) @@ -192,20 +200,20 @@ typedef pthread_key_t __libc_key_t; /* Create thread-specific key. */ #define __libc_key_create(KEY, DESTRUCTOR) \ - (__pthread_key_create != NULL ? __pthread_key_create (KEY, DESTRUCTOR) : 1) + (__libc_maybe_call (__pthread_key_create, (KEY, DESTRUCTOR), 1)) /* Get thread-specific data. */ #define __libc_getspecific(KEY) \ - (__pthread_getspecific != NULL ? __pthread_getspecific (KEY) : NULL) + (__libc_maybe_call (__pthread_getspecific, (KEY), NULL)) /* Set thread-specific data. */ #define __libc_setspecific(KEY, VALUE) \ - (__pthread_setspecific != NULL ? __pthread_setspecific (KEY, VALUE) : 0) + (__libc_maybe_call (__pthread_setspecific, (KEY, VALUE), 0)) /* Register handlers to execute before and after `fork'. */ #define __libc_atfork(PREPARE, PARENT, CHILD) \ - (__pthread_atfork != NULL ? __pthread_atfork (PREPARE, PARENT, CHILD) : 0) + (__libc_maybe_call (__pthread_atfork, (PREPARE, PARENT, CHILD), 0)) /* Functions that are used by this file and are internal to the GNU C library. */ |