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| author | Ulrich Drepper <drepper@redhat.com> | 2009-07-17 19:08:54 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-07-17 19:08:54 -0700 |
| commit | f351f2b756e634fde2482a8f9790944db868162b (patch) | |
| tree | b9aeb45a657589b63b4228f18e6efcb2fd6bad38 /nptl/ChangeLog | |
| parent | 312d667b85fade523b05f73e0620fb5365fb68a7 (diff) | |
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Extend x86-64 sem_timedwait to use futex syscall with absolute timeout.
Diffstat (limited to 'nptl/ChangeLog')
| -rw-r--r-- | nptl/ChangeLog | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 867493ced5..98d3a4de68 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,9 @@ 2009-07-17 Ulrich Drepper <drepper@redhat.com> + * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait): + If possible use FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME to directly + use absolute timeout. + * sysdeps/unix/sysv/linux/x86_64/sem_wait.S (sem_wait): Optimize handling of uncontested semaphore. |