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Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c
deleted file mode 100644
index 169f6e784..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/* Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <pthreadP.h>
-
-/* Wait on barrier. */
-int
-pthread_barrier_wait (
- pthread_barrier_t *barrier)
-{
- union sparc_pthread_barrier *ibarrier
- = (union sparc_pthread_barrier *) barrier;
- int result = 0;
- int private = ibarrier->s.pshared ? LLL_SHARED : LLL_PRIVATE;
-
- /* Make sure we are alone. */
- lll_lock (ibarrier->b.lock, private);
-
- /* One more arrival. */
- --ibarrier->b.left;
-
- /* Are these all? */
- if (ibarrier->b.left == 0)
- {
- /* Yes. Increment the event counter to avoid invalid wake-ups and
- tell the current waiters that it is their turn. */
- ++ibarrier->b.curr_event;
-
- /* Wake up everybody. */
- lll_futex_wake (&ibarrier->b.curr_event, INT_MAX, private);
-
- /* This is the thread which finished the serialization. */
- result = PTHREAD_BARRIER_SERIAL_THREAD;
- }
- else
- {
- /* The number of the event we are waiting for. The barrier's event
- number must be bumped before we continue. */
- unsigned int event = ibarrier->b.curr_event;
-
- /* Before suspending, make the barrier available to others. */
- lll_unlock (ibarrier->b.lock, private);
-
- /* Wait for the event counter of the barrier to change. */
- do
- lll_futex_wait (&ibarrier->b.curr_event, event, private);
- while (event == ibarrier->b.curr_event);
- }
-
- /* Make sure the init_count is stored locally or in a register. */
- unsigned int init_count = ibarrier->b.init_count;
-
- /* If this was the last woken thread, unlock. */
- if (__atomic_is_v9 || ibarrier->s.pshared == 0)
- {
- if (atomic_increment_val (&ibarrier->b.left) == init_count)
- /* We are done. */
- lll_unlock (ibarrier->b.lock, private);
- }
- else
- {
- unsigned int left;
- /* Slightly more complicated. On pre-v9 CPUs, atomic_increment_val
- is only atomic for threads within the same process, not for
- multiple processes. */
- __sparc32_atomic_do_lock24 (&ibarrier->s.left_lock);
- left = ++ibarrier->b.left;
- __sparc32_atomic_do_unlock24 (&ibarrier->s.left_lock);
- if (left == init_count)
- /* We are done. */
- lll_unlock (ibarrier->b.lock, private);
- }
-
- return result;
-}