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authorZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
committerZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
commit5046dbb4a7eba5eccfd258f92f4735c9ffc8d069 (patch)
tree4470480d904b65cf14ca524f96f79eca818c3eaf /nptl/lll_timedwait_tid.c
parent199fc19d3aaaf57944ef036e15904febe877fc93 (diff)
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Prepare for radical source tree reorganization.zack/build-layout-experiment
All top-level files and directories are moved into a temporary storage directory, REORG.TODO, except for files that will certainly still exist in their current form at top level when we're done (COPYING, COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which are moved to the new directory OldChangeLogs, instead), and the generated file INSTALL (which is just deleted; in the new order, there will be no generated files checked into version control).
Diffstat (limited to 'nptl/lll_timedwait_tid.c')
-rw-r--r--nptl/lll_timedwait_tid.c70
1 files changed, 0 insertions, 70 deletions
diff --git a/nptl/lll_timedwait_tid.c b/nptl/lll_timedwait_tid.c
deleted file mode 100644
index e4c8de0f99..0000000000
--- a/nptl/lll_timedwait_tid.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* Timed waiting for thread death. Generic futex-using version.
- Copyright (C) 2003-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Paul Mackerras <paulus@au.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 <atomic.h>
-#include <errno.h>
-#include <lowlevellock.h>
-#include <sys/time.h>
-
-
-/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
- wake-up when the clone terminates. The memory location contains the
- thread ID while the clone is running and is reset to zero by the kernel
- afterwards. The kernel up to version 3.16.3 does not use the private futex
- operations for futex wake-up when the clone terminates. */
-int
-__lll_timedwait_tid (int *tidp, const struct timespec *abstime)
-{
- int tid;
-
- if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
- return EINVAL;
-
- /* Repeat until thread terminated. */
- while ((tid = *tidp) != 0)
- {
- struct timeval tv;
- struct timespec rt;
-
- /* Get the current time. */
- (void) __gettimeofday (&tv, NULL);
-
- /* Compute relative timeout. */
- rt.tv_sec = abstime->tv_sec - tv.tv_sec;
- rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
- if (rt.tv_nsec < 0)
- {
- rt.tv_nsec += 1000000000;
- --rt.tv_sec;
- }
-
- /* Already timed out? */
- if (rt.tv_sec < 0)
- return ETIMEDOUT;
-
- /* If *tidp == tid, wait until thread terminates or the wait times out.
- The kernel up to version 3.16.3 does not use the private futex
- operations for futex wake-up when the clone terminates.
- */
- if (lll_futex_timed_wait (tidp, tid, &rt, LLL_SHARED) == -ETIMEDOUT)
- return ETIMEDOUT;
- }
-
- return 0;
-}