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nptl: Move core mutex functions into libc

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This is complicated because of a second compilation of
nptl/pthread_mutex_lock.c via nptl/pthread_mutex_cond_lock.c.
PTHREAD_MUTEX_VERSIONS is introduced to suppress symbol versions
in that case.

The symbols __pthread_mutex_lock, __pthread_mutex_unlock,
__pthread_mutex_init, __pthread_mutex_destroy, pthread_mutex_lock,
pthread_mutex_unlock, pthread_mutex_init, pthread_mutex_destroy
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 60d5e40ab2
commit 27a448223c
73 changed files with 340 additions and 308 deletions
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3
nptl/pthread_mutex_cond_lock.c
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@@ -15,8 +15,9 @@
/* We need to assume that there are other threads blocked on the futex.
See __pthread_mutex_lock_full for further details. */
#define LLL_ROBUST_MUTEX_LOCK_MODIFIER FUTEX_WAITERS
#define __pthread_mutex_lock __pthread_mutex_cond_lock
#define PTHREAD_MUTEX_LOCK __pthread_mutex_cond_lock
#define __pthread_mutex_lock_full __pthread_mutex_cond_lock_full
#define NO_INCR
#define PTHREAD_MUTEX_VERSIONS 0
#include <nptl/pthread_mutex_lock.c>