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Diffstat (limited to 'libpthread/sysdeps/generic/sem-timedwait.c')
-rw-r--r--libpthread/sysdeps/generic/sem-timedwait.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/libpthread/sysdeps/generic/sem-timedwait.c b/libpthread/sysdeps/generic/sem-timedwait.c
deleted file mode 100644
index e34539a9..00000000
--- a/libpthread/sysdeps/generic/sem-timedwait.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* Wait on a semaphore with a timeout. Generic version.
- Copyright (C) 2005, 2006, 2008 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include <semaphore.h>
-#include <errno.h>
-#include <assert.h>
-
-#include <pt-internal.h>
-
-int
-__sem_timedwait_internal (sem_t *restrict sem,
- const struct timespec *restrict timeout)
-{
- struct __pthread *self;
-
- __pthread_spin_lock (&sem->__lock);
- if (sem->__value > 0)
- /* Successful down. */
- {
- sem->__value --;
- __pthread_spin_unlock (&sem->__lock);
- return 0;
- }
-
- if (timeout && (timeout->tv_nsec < 0 || timeout->tv_nsec >= 1000000000))
- {
- errno = EINVAL;
- return -1;
- }
-
- /* Add ourselves to the queue. */
- self = _pthread_self ();
-
- __pthread_enqueue (&sem->__queue, self);
- __pthread_spin_unlock (&sem->__lock);
-
- /* Block the thread. */
- if (timeout)
- {
- error_t err;
-
- err = __pthread_timedblock (self, timeout);
- if (err)
- /* We timed out. We may need to disconnect ourself from the
- waiter queue.
-
- FIXME: What do we do if we get a wakeup message before we
- disconnect ourself? It may remain until the next time we
- block. */
- {
- assert (err == ETIMEDOUT);
-
- __pthread_spin_lock (&sem->__lock);
- if (self->prevp)
- __pthread_dequeue (self);
- __pthread_spin_unlock (&sem->__lock);
-
- errno = err;
- return -1;
- }
- }
- else
- __pthread_block (self);
-
- return 0;
-}
-
-int
-__sem_timedwait (sem_t *restrict sem,
- const struct timespec *restrict timeout)
-{
- return __sem_timedwait_internal (sem, timeout);
-}
-
-strong_alias (__sem_timedwait, sem_timedwait);