diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 17:46:17 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 17:46:17 +0000 |
| commit | 8833066b122427710a9e14a888ce6cfa862332d3 (patch) | |
| tree | 29591019d695919417b3698618d6a342e97381d6 /nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S | |
| parent | fedca46896bdb702cb988837a0c2c5447e72ba2b (diff) | |
Updated to fedora-glibc-20070731T1624cvs/fedora-glibc-2_6_90-1
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S index ea9cc170db..88044c040b 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -75,8 +75,18 @@ __pthread_rwlock_wrlock: #endif jne 10f -11: addl $WRITERS_WAKEUP, %ebx - movl %esi, %ecx /* movl $FUTEX_WAIT, %ecx */ +11: +#if __ASSUME_PRIVATE_FUTEX + movzbl PSHARED(%ebx), %ecx + xorl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx +#else + movzbl PSHARED(%ebx), %ecx +# if FUTEX_WAIT != 0 + orl $FUTEX_WAIT, %ecx +# endif + xorl %gs:PRIVATE_FUTEX, %ecx +#endif + addl $WRITERS_WAKEUP, %ebx movl $SYS_futex, %eax ENTER_KERNEL |