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Update. 

2000-07-06  Ulrich Drepper  <drepper@redhat.com>

	* condvar.c: Implement pthread_condattr_getpshared and
	pthread_condattr_setpshared.
	* mutex.c: Implement pthread_mutexattr_getpshared and
	 pthread_mutexattr_setpshared.
	* Versions: Export new functions.
	* sysdeps/pthread/pthread.h: Add prototypes for new functions.

	* rwlock.c (pthread_rwlockattr_init): Use PTHREAD_PROCESS_PRIVATE.
	(pthread_rwlockattr_setpshared): Fail if PTHREAD_PROCESS_PRIVATE
	is not selected.
This commit is contained in:
Ulrich Drepper 2000-07-06 22:01:12 +00:00
parent 16f4ce3837
commit a85d5c8060
5 changed files with 60 additions and 2 deletions
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13
linuxthreads/ChangeLog
View File

@ -1,3 +1,16 @@
2000-07-06 Ulrich Drepper <drepper@redhat.com>
* condvar.c: Implement pthread_condattr_getpshared and
pthread_condattr_setpshared.
* mutex.c: Implement pthread_mutexattr_getpshared and
pthread_mutexattr_setpshared.
* Versions: Export new functions.
* sysdeps/pthread/pthread.h: Add prototypes for new functions.
* rwlock.c (pthread_rwlockattr_init): Use PTHREAD_PROCESS_PRIVATE.
(pthread_rwlockattr_setpshared): Fail if PTHREAD_PROCESS_PRIVATE
is not selected.
2000-07-04 Greg McGary <greg@mcgary.org>
* sysdeps/pthread/bits/libc-lock.h: Remove BP_SYM from

6
linuxthreads/Versions
View File

@ -130,7 +130,11 @@ libpthread {
__pthread_rwlock_tryrdlock; __pthread_rwlock_wrlock;
__pthread_rwlock_trywrlock; __pthread_rwlock_unlock;
# New functions from IEEE Std. 10003.1-200x.
# No really implemented.
pthread_condattr_getpshared; pthread_condattr_setpshared;
pthread_mutexattr_getpshared; pthread_mutexattr_setpshared;
# New functions from IEEE Std. 1003.1-200x.
sem_timedwait;
pthread_spin_destroy; pthread_spin_init; pthread_spin_lock;
pthread_spin_trylock; pthread_spin_unlock;

21
linuxthreads/mutex.c
View File

@ -220,6 +220,27 @@ weak_alias (__pthread_mutexattr_gettype, pthread_mutexattr_gettype)
strong_alias (__pthread_mutexattr_gettype, __pthread_mutexattr_getkind_np)
weak_alias (__pthread_mutexattr_getkind_np, pthread_mutexattr_getkind_np)
int __pthread_mutexattr_getpshared (const pthread_mutexattr_t *attr,
int *pshared)
{
*pshared = PTHREAD_PROCESS_PRIVATE;
return 0;
}
weak_alias (__pthread_mutexattr_getpshared, pthread_mutexattr_getpshared)
int __pthread_mutexattr_setpshared (pthread_mutexattr_t *attr, int pshared)
{
if (pshared != PTHREAD_PROCESS_PRIVATE && pshared != PTHREAD_PROCESS_SHARED)
return EINVAL;
/* For now it is not possible to shared a conditional variable. */
if (pshared != PTHREAD_PROCESS_PRIVATE)
return ENOSYS;
return 0;
}
weak_alias (__pthread_mutexattr_setpshared, pthread_mutexattr_setpshared)
/* Once-only execution */
static pthread_mutex_t once_masterlock = PTHREAD_MUTEX_INITIALIZER;

6
linuxthreads/rwlock.c
View File

@ -596,7 +596,7 @@ int
pthread_rwlockattr_init (pthread_rwlockattr_t *attr)
{
attr->__lockkind = 0;
attr->__pshared = 0;
attr->__pshared = PTHREAD_PROCESS_PRIVATE;
return 0;
}
@ -624,6 +624,10 @@ pthread_rwlockattr_setpshared (pthread_rwlockattr_t *attr, int pshared)
if (pshared != PTHREAD_PROCESS_PRIVATE && pshared != PTHREAD_PROCESS_SHARED)
return EINVAL;
/* For now it is not possible to shared a conditional variable. */
if (pshared != PTHREAD_PROCESS_PRIVATE)
return ENOSYS;
attr->__pshared = pshared;
return 0;

16
linuxthreads/sysdeps/pthread/pthread.h
View File

@ -325,6 +325,14 @@ extern int pthread_mutexattr_init (pthread_mutexattr_t *__attr) __THROW;
/* Destroy mutex attribute object ATTR. */
extern int pthread_mutexattr_destroy (pthread_mutexattr_t *__attr) __THROW;
/* Get the process-shared flag of the mutex attribute ATTR. */
extern int pthread_mutexattr_getpshared (__const pthread_mutexattr_t *__attr,
int *__pshared) __THROW;
/* Set the process-shared flag of the mutex attribute ATTR. */
extern int pthread_mutexattr_setpshared (pthread_mutexattr_t *__attr,
int __pshared) __THROW;
#ifdef __USE_UNIX98
/* Set the mutex kind attribute in *ATTR to KIND (either PTHREAD_MUTEX_NORMAL,
PTHREAD_MUTEX_RECURSIVE, PTHREAD_MUTEX_ERRORCHECK, or
@ -375,6 +383,14 @@ extern int pthread_condattr_init (pthread_condattr_t *__attr) __THROW;
/* Destroy condition variable attribute ATTR. */
extern int pthread_condattr_destroy (pthread_condattr_t *__attr) __THROW;
/* Get the process-shared flag of the condition variable attribute ATTR. */
extern int pthread_condattr_getpshared (__const pthread_condattr_t *__attr,
int *__pshared) __THROW;
/* Set the process-shared flag of the condition variable attribute ATTR. */
extern int pthread_condattr_setpshared (pthread_condattr_t *__attr,
int __pshared) __THROW;
#ifdef __USE_UNIX98
/* Functions for handling read-write locks. */