diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/pthread/bits/initspin.h')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/pthread/bits/initspin.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/pthread/bits/initspin.h b/libpthread/linuxthreads/sysdeps/pthread/bits/initspin.h new file mode 100644 index 000000000..b9e4acf30 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/pthread/bits/initspin.h @@ -0,0 +1,27 @@ +/* Generic definitions for spinlock initializers. + Copyright (C) 2000, 2001 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/>. */ + +/* Initial value of a spinlock. Most platforms should use zero, + unless they only implement a "test and clear" operation instead of + the usual "test and set". */ +#define __LT_SPINLOCK_INIT 0 + +/* Macros for lock initializers, using the above definition. */ +#define __LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT } +#define __ALT_LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT } +#define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_INIT } |