diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h | 3 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S | 7 |
2 files changed, 9 insertions, 1 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h index 5047e4fe4d..7da2f12231 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h @@ -35,6 +35,9 @@ #define SYS_futex 202 #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 +#define FUTEX_LOCK_PI 6 +#define FUTEX_UNLOCK_PI 7 +#define FUTEX_TRYLOCK_PI 8 /* Initializer for compatibility lock. */ diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S index 72e7bc5b24..006de2696e 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -21,6 +21,7 @@ #include <shlib-compat.h> #include <lowlevelcond.h> #include <kernel-features.h> +#include <pthread-pi-defines.h> #ifdef UP # define LOCK @@ -80,6 +81,10 @@ __pthread_cond_broadcast: 8: cmpq $-1, %r8 je 9f + /* XXX: The kernel so far doesn't support requeue to PI futex. */ + testl $PI_BIT, MUTEX_KIND(%r8) + jne 9f + /* Wake up all threads. */ movl $FUTEX_CMP_REQUEUE, %esi movl $SYS_futex, %eax |