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| author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
| commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
| tree | b5877475619e4c938e98757d518bb1e9cbead751 /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S | |
| parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
| download | glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.xz glibc-a334319f6530564d22e775935d9c91663623a1b4.zip | |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S | 33 |
1 files changed, 5 insertions, 28 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S index 3dbb9e81e3..62bb74cc1a 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -31,9 +31,7 @@ #define SYS_futex 202 #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 -#define FUTEX_WAKE_OP 5 - -#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1) +#define FUTEX_REQUEUE 3 #define EINVAL 22 @@ -68,30 +66,9 @@ __pthread_cond_signal: addl $1, (%rdi) /* Wake up one thread. */ - movl $FUTEX_WAKE_OP, %esi - movl $SYS_futex, %eax - movl $1, %edx - movl $1, %r10d -#if cond_lock != 0 - addq $cond_lock, %r8 -#endif - movl $FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, %r9d - syscall -#if cond_lock != 0 - subq $cond_lock, %r8 -#endif - /* For any kind of error, we try again with WAKE. - The general test also covers running on old kernels. */ - cmpq $-4095, %rax - jae 7f - - xorl %eax, %eax - retq - -7: movl $FUTEX_WAKE, %esi - movl $SYS_futex, %eax - /* %rdx should be 1 already from $FUTEX_WAKE_OP syscall. - movl $1, %edx */ + movq $FUTEX_WAKE, %rsi + movq $SYS_futex, %rax + movq $1, %rdx syscall /* Unlock. */ |