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Diffstat (limited to 'sysdeps/nacl/lll_timedlock_wait.c')
-rw-r--r--sysdeps/nacl/lll_timedlock_wait.c53
1 files changed, 0 insertions, 53 deletions
diff --git a/sysdeps/nacl/lll_timedlock_wait.c b/sysdeps/nacl/lll_timedlock_wait.c
deleted file mode 100644
index d9f177291f..0000000000
--- a/sysdeps/nacl/lll_timedlock_wait.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/* Timed low level locking for pthread library. NaCl version.
- Copyright (C) 2015-2016 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 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 <assert.h>
-#include <atomic.h>
-#include <errno.h>
-#include <lowlevellock.h>
-#include <sys/time.h>
-
-
-/* This behaves the same as the generic version in nptl/. It's simpler
- because it doesn't need to convert an absolute timeout to a relative
- one (and back again in the lll_futex_timed_wait macro). */
-
-int
-__lll_timedlock_wait (int *futex, const struct timespec *abstime, int private)
-{
- /* Reject invalid timeouts. */
- if (__glibc_unlikely (abstime->tv_nsec < 0)
- || __glibc_unlikely (abstime->tv_nsec >= 1000000000))
- return EINVAL;
-
- /* Try locking. */
- while (atomic_exchange_acq (futex, 2) != 0)
- {
- /* If *futex == 2, wait until woken or timeout. */
- int err = __nacl_irt_futex.futex_wait_abs ((volatile int *) futex, 2,
- abstime);
- if (err != 0)
- {
- if (__glibc_likely (err == ETIMEDOUT))
- return err;
- assert (err == EAGAIN);
- }
- }
-
- return 0;
-}