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nptl: Move rwlock functions with forwarders into libc

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The forwarders were only used internally, so new symbol versions
are needed.  All symbols are moved at once because the forwarders
are no-ops if libpthread is not loaded, leading to inconsistencies
in case of a partial migration.

The symbols __pthread_rwlock_rdlock, __pthread_rwlock_unlock,
__pthread_rwlock_wrlock, pthread_rwlock_rdlock,
pthread_rwlock_unlock, pthread_rwlock_wrlock have been moved using
scripts/move-symbol-to-libc.py.

The __ symbol variants are turned into compat symbols, which is why they
do not receive a GLIBC_2.34 version.
This commit is contained in:
Florian Weimer
2021-04-21 19:49:51 +02:00
parent 9ce44f4675
commit eb29dcde31
70 changed files with 349 additions and 215 deletions
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4
nptl/pthreadP.h
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@ -447,8 +447,10 @@ extern int __pthread_rwlock_init (pthread_rwlock_t *__restrict __rwlock,
__attr);
extern int __pthread_rwlock_destroy (pthread_rwlock_t *__rwlock);
extern int __pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock);
libc_hidden_proto (__pthread_rwlock_rdlock)
extern int __pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock);
extern int __pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock);
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);
@ -559,8 +561,6 @@ hidden_proto (__pthread_mutex_destroy)
hidden_proto (__pthread_mutex_lock)
hidden_proto (__pthread_mutex_trylock)
hidden_proto (__pthread_mutex_unlock)
hidden_proto (__pthread_rwlock_rdlock)
hidden_proto (__pthread_rwlock_wrlock)
hidden_proto (__pthread_rwlock_unlock)
hidden_proto (__pthread_testcancel)
hidden_proto (__pthread_mutexattr_init)