diff options
Diffstat (limited to 'sysdeps/powerpc')
| -rw-r--r-- | sysdeps/powerpc/nptl/pthread_spin_lock.c | 4 | ||||
| -rw-r--r-- | sysdeps/powerpc/nptl/pthread_spin_trylock.c | 4 | ||||
| -rw-r--r-- | sysdeps/powerpc/nptl/pthread_spin_unlock.c | 27 |
3 files changed, 31 insertions, 4 deletions
diff --git a/sysdeps/powerpc/nptl/pthread_spin_lock.c b/sysdeps/powerpc/nptl/pthread_spin_lock.c index d7d4cae6fa..fae7f7e0b9 100644 --- a/sysdeps/powerpc/nptl/pthread_spin_lock.c +++ b/sysdeps/powerpc/nptl/pthread_spin_lock.c @@ -24,12 +24,12 @@ pthread_spin_lock (pthread_spinlock_t *lock) unsigned int __tmp; asm volatile ( - "1: lwarx %0,0,%1\n" + "1: lwarx %0,0,%1" MUTEX_HINT_ACQ "\n" " cmpwi 0,%0,0\n" " bne- 2f\n" " stwcx. %2,0,%1\n" " bne- 2f\n" - " isync\n" + __ARCH_ACQ_INSTR "\n" " .subsection 1\n" "2: lwzx %0,0,%1\n" " cmpwi 0,%0,0\n" diff --git a/sysdeps/powerpc/nptl/pthread_spin_trylock.c b/sysdeps/powerpc/nptl/pthread_spin_trylock.c index c485aa4bf9..09791c36a8 100644 --- a/sysdeps/powerpc/nptl/pthread_spin_trylock.c +++ b/sysdeps/powerpc/nptl/pthread_spin_trylock.c @@ -25,13 +25,13 @@ pthread_spin_trylock (pthread_spinlock_t *lock) unsigned int old; int err = EBUSY; - asm ("1: lwarx %0,0,%2\n" + asm ("1: lwarx %0,0,%2" MUTEX_HINT_ACQ "\n" " cmpwi 0,%0,0\n" " bne 2f\n" " stwcx. %3,0,%2\n" " bne- 1b\n" " li %1,0\n" - " isync\n" + __ARCH_ACQ_INSTR "\n" "2: " : "=&r" (old), "=&r" (err) : "r" (lock), "r" (1), "1" (err) diff --git a/sysdeps/powerpc/nptl/pthread_spin_unlock.c b/sysdeps/powerpc/nptl/pthread_spin_unlock.c new file mode 100644 index 0000000000..f830ad2880 --- /dev/null +++ b/sysdeps/powerpc/nptl/pthread_spin_unlock.c @@ -0,0 +1,27 @@ +/* pthread_spin_unlock -- unlock a spin lock. PowerPC version. + Copyright (C) 2007-2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include "pthreadP.h" +#include <lowlevellock.h> + +int +pthread_spin_unlock (pthread_spinlock_t *lock) +{ + atomic_store_release (lock, 0); + return 0; +} |