Extend x86-64 pthread_cond_timedwait to use futex syscall with absolu…

…te timeout.
git-mirror · Jul 18, 2009 · e88726b · e88726b
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diff --git a/nptl/ChangeLog b/nptl/ChangeLog
@@ -1,5 +1,9 @@
 2009-07-18  Ulrich Drepper  <drepper@redhat.com>
 
+	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+	(__pthread_cond_timedwait): If possible use FUTEX_WAIT_BITSET to
+	directly use absolute timeout.
+
 	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
 	(__pthread_cond_wait): Convert to using exception handler instead of
 	registered unwind buffer.