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| author | Ulrich Drepper <drepper@redhat.com> | 2007-06-08 02:50:59 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-06-08 02:50:59 +0000 |
| commit | 835abc5c0dfd1ba8aabeb52d46793b13702c708b (patch) | |
| tree | 8863a99b99c334da2e2fe77459acca76dbac5ef0 /nptl/sysdeps/unix/sysv/linux/sem_post.c | |
| parent | 43b768284325b7e7d2ec3fc3dcac13a35c378c95 (diff) | |
| download | glibc-835abc5c0dfd1ba8aabeb52d46793b13702c708b.tar.gz glibc-835abc5c0dfd1ba8aabeb52d46793b13702c708b.tar.xz glibc-835abc5c0dfd1ba8aabeb52d46793b13702c708b.zip | |
[BZ #4586]
2007-06-06 Jakub Jelinek <jakub@redhat.com> BZ #4586 * sysdeps/i386/ldbl2mpn.c (__mpn_extract_long_double): Treat pseudo-zeros as zero. * sysdeps/x86_64/ldbl2mpn.c: New file. * sysdeps/ia64/ldbl2mpn.c: New file.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sem_post.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sem_post.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sem_post.c b/nptl/sysdeps/unix/sysv/linux/sem_post.c index f8bc695292..7f90325585 100644 --- a/nptl/sysdeps/unix/sysv/linux/sem_post.c +++ b/nptl/sysdeps/unix/sysv/linux/sem_post.c @@ -35,7 +35,9 @@ __new_sem_post (sem_t *sem) atomic_full_barrier (); if (isem->nwaiters > 0) { - int err = lll_futex_wake (&isem->value, 1); + int err = lll_futex_wake (&isem->value, 1, + // XYZ check mutex flag + LLL_SHARED); if (__builtin_expect (err, 0) < 0) { __set_errno (-err); @@ -55,7 +57,8 @@ __old_sem_post (sem_t *sem) int *futex = (int *) sem; int nr = atomic_increment_val (futex); - int err = lll_futex_wake (futex, 1); + /* 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); |