diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-14 23:00:19 -0600 |
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committer | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-14 23:00:19 -0600 |
commit | 6b6ede3d15f04fe825cfa9f697507457e3640344 (patch) | |
tree | efe9bf75eaf2200f89087ed0ef2ef350549ccd6d /libpthread/linuxthreads/sysdeps/powerpc/powerpc64/pspinlock.c | |
parent | f972c2262fd4efc2bbf9789dce145bb705acec24 (diff) |
resolve merge
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/powerpc/powerpc64/pspinlock.c')
-rw-r--r-- | libpthread/linuxthreads/sysdeps/powerpc/powerpc64/pspinlock.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/libpthread/linuxthreads/sysdeps/powerpc/powerpc64/pspinlock.c b/libpthread/linuxthreads/sysdeps/powerpc/powerpc64/pspinlock.c deleted file mode 100644 index f588c62c7..000000000 --- a/libpthread/linuxthreads/sysdeps/powerpc/powerpc64/pspinlock.c +++ /dev/null @@ -1,69 +0,0 @@ -/* POSIX spinlock implementation. PowerPC version. - Copyright (C) 2000, 2003 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; see the file COPYING.LIB. If - not, see <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <pthread.h> -#include "internals.h" - -int -__pthread_spin_lock (pthread_spinlock_t *lock) -{ - while (! __compare_and_swap32 ((int *)lock, 0, 1)) - ; - return 0; -} -weak_alias (__pthread_spin_lock, pthread_spin_lock) - - -int -__pthread_spin_trylock (pthread_spinlock_t *lock) -{ - return __compare_and_swap32 ((int *)lock, 0, 1) ? 0 : EBUSY; -} -weak_alias (__pthread_spin_trylock, pthread_spin_trylock) - - -int -__pthread_spin_unlock (pthread_spinlock_t *lock) -{ - MEMORY_BARRIER (); - *lock = 0; - return 0; -} -weak_alias (__pthread_spin_unlock, pthread_spin_unlock) - - -int -__pthread_spin_init (pthread_spinlock_t *lock, int pshared) -{ - /* We can ignore the `pshared' parameter. Since we are busy-waiting - all processes which can access the memory location `lock' points - to can use the spinlock. */ - *lock = 0; - return 0; -} -weak_alias (__pthread_spin_init, pthread_spin_init) - - -int -__pthread_spin_destroy (pthread_spinlock_t *lock) -{ - /* Nothing to do. */ - return 0; -} -weak_alias (__pthread_spin_destroy, pthread_spin_destroy) |