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authorUlrich Drepper <drepper@redhat.com>2007-05-26 16:19:15 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-26 16:19:15 +0000
commitd8ff3792a8020ff25b703109a763161236cfa8dd (patch)
tree64c957412858723994412de62d1f13a6e5ff2ece /nptl/sysdeps/unix/sysv/linux/x86_64
parent42e6c66593eb7a07afd58e70bef9aeed9f910548 (diff)
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* sysdeps/unix/sysv/linux/internaltypes.h (struct pthread_barrier):
	Add private field.
	* sysdeps/unix/sysv/linux/lowlevelbarrier.sym: Add PRIVATE definition.
	* pthread_barrier_init.c: Set private flag if pshared and private
	futexes are supported.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S: Use
	private field in futex command setup.
	* sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S: Likewise.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S6
1 files changed, 4 insertions, 2 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
index fa8125dd87..63771b3840 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -65,9 +65,10 @@ pthread_barrier_wait:
 	   if the CURR_EVENT memory has meanwhile been changed.  */
 7:
 #if FUTEX_WAIT == 0
-	xorl	%esi, %esi
+	movl	PRIVATE(%rdi), %esi
 #else
 	movl	$FUTEX_WAIT, %esi
+	orl	PRIVATE(%rdi), %esi
 #endif
 	xorq	%r10, %r10
 8:	movl	$SYS_futex, %eax
@@ -116,6 +117,7 @@ pthread_barrier_wait:
 	   so 0x7fffffff is the highest value.  */
 	movl	$0x7fffffff, %edx
 	movl	$FUTEX_WAKE, %esi
+	orl	PRIVATE(%rdi), %esi
 	movl	$SYS_futex, %eax
 	syscall