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nptl: Move core condition variable functions into libc

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Onl pthread_cond_clockwait did not have a forwarder, so it needs
a new symbol version.

Some complications arise due to the need to supply hidden aliases,
GLIBC_PRIVATE exports (for the C11 condition variable implementation
that still remains in libpthread) and 64-bit time_t stubs.

pthread_cond_broadcast, pthread_cond_signal,  pthread_cond_timedwait,
pthread_cond_wait, pthread_cond_clockwait have been moved using
scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2021-04-21 19:49:51 +02:00
parent 27a448223c
commit 08129b155e
75 changed files with 166 additions and 342 deletions
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9
nptl/pthreadP.h
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@ -463,13 +463,16 @@ libc_hidden_proto (__pthread_rwlock_wrlock)
extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock);
extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
extern int __pthread_cond_broadcast (pthread_cond_t *cond);
libc_hidden_proto (__pthread_cond_broadcast)
extern int __pthread_cond_destroy (pthread_cond_t *cond);
libc_hidden_proto (__pthread_cond_destroy)
extern int __pthread_cond_init (pthread_cond_t *cond,
const pthread_condattr_t *cond_attr);
libc_hidden_proto (__pthread_cond_init)
extern int __pthread_cond_signal (pthread_cond_t *cond);
libc_hidden_proto (__pthread_cond_signal)
extern int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex);
libc_hidden_proto (__pthread_cond_wait)
#if __TIMESIZE == 64
# define __pthread_clockjoin_np64 __pthread_clockjoin_np
@ -493,12 +496,12 @@ libpthread_hidden_proto (__pthread_timedjoin_np64)
extern int __pthread_cond_timedwait64 (pthread_cond_t *cond,
pthread_mutex_t *mutex,
const struct __timespec64 *abstime);
libpthread_hidden_proto (__pthread_cond_timedwait64)
libc_hidden_proto (__pthread_cond_timedwait64)
extern int __pthread_cond_clockwait64 (pthread_cond_t *cond,
pthread_mutex_t *mutex,
clockid_t clockid,
const struct __timespec64 *abstime);
libpthread_hidden_proto (__pthread_cond_clockwait64)
libc_hidden_proto (__pthread_cond_clockwait64)
extern int __pthread_rwlock_clockrdlock64 (pthread_rwlock_t *rwlock,
clockid_t clockid,
const struct __timespec64 *abstime);
@ -525,11 +528,13 @@ libpthread_hidden_proto (__pthread_mutex_timedlock64)
extern int __pthread_cond_timedwait (pthread_cond_t *cond,
pthread_mutex_t *mutex,
const struct timespec *abstime);
libc_hidden_proto (__pthread_cond_timedwait)
extern int __pthread_cond_clockwait (pthread_cond_t *cond,
pthread_mutex_t *mutex,
clockid_t clockid,
const struct timespec *abstime)
__nonnull ((1, 2, 4));
libc_hidden_proto (__pthread_cond_clockwait)
extern int __pthread_condattr_destroy (pthread_condattr_t *attr);
extern int __pthread_condattr_init (pthread_condattr_t *attr);
extern int __pthread_key_create (pthread_key_t *key, void (*destr) (void *));