diff options
Diffstat (limited to 'sysdeps/hppa/nptl/pthread_spin_init.c')
-rw-r--r-- | sysdeps/hppa/nptl/pthread_spin_init.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/hppa/nptl/pthread_spin_init.c b/sysdeps/hppa/nptl/pthread_spin_init.c new file mode 100644 index 0000000000..c83669eb91 --- /dev/null +++ b/sysdeps/hppa/nptl/pthread_spin_init.c @@ -0,0 +1,28 @@ +/* Copyright (C) 2006-2014 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" + +int +pthread_spin_init (pthread_spinlock_t *lock, int pshared) +{ + int tmp = 0; + /* This should be a memory barrier to newer compilers */ + __asm__ __volatile__ ("stw,ma %1,0(%0)" + : : "r" (lock), "r" (tmp) : "memory"); + return 0; +} |