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nptl: Replace lll_futex_wake with futex-internal.h

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The idea is to make NPTL implementation to use on the functions
provided by futex-internal.h.

Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Adhemerval Zanella
2020-11-23 10:38:12 -03:00
parent 2a45be88ed
commit b45b1c5ba1
3 changed files with 7 additions and 12 deletions
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9
nptl/sem_post.c
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@ -84,19 +84,14 @@ int
attribute_compat_text_section
__old_sem_post (sem_t *sem)
{
int *futex = (int *) sem;
unsigned int *futex = (unsigned int *) sem;
/* We must need to synchronize with consumers of this token, so the atomic
increment must have release MO semantics. */
atomic_write_barrier ();
(void) atomic_increment_val (futex);
/* We always have to assume it is a shared semaphore. */
int err = lll_futex_wake (futex, 1, LLL_SHARED);
if (__builtin_expect (err, 0) < 0)
{
__set_errno (-err);
return -1;
}
futex_wake (futex, 1, LLL_SHARED);
return 0;
}
compat_symbol (libpthread, __old_sem_post, sem_post, GLIBC_2_0);