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Diffstat (limited to 'sysdeps/htl/bits/semaphore.h')
| -rw-r--r-- | sysdeps/htl/bits/semaphore.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/htl/bits/semaphore.h b/sysdeps/htl/bits/semaphore.h new file mode 100644 index 0000000000..b1789be55f --- /dev/null +++ b/sysdeps/htl/bits/semaphore.h @@ -0,0 +1,47 @@ +/* Semaphore type. Generic version. + Copyright (C) 2005-2018 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, see <http://www.gnu.org/licenses/>. */ + +#ifndef _BITS_SEMAPHORE_H +#define _BITS_SEMAPHORE_H 1 + +#ifndef _SEMAPHORE_H +# error Never include <bits/semaphore.h> directly. +#endif + +#include <bits/types/__pthread_spinlock_t.h> +#include <bits/pthread.h> + +/* User visible part of a semaphore. */ +struct __semaphore +{ + __pthread_spinlock_t __lock; + struct __pthread *__queue; + int __pshared; + int __value; + void *__data; +}; + +typedef struct __semaphore sem_t; + +#define SEM_FAILED ((void *) 0) + +/* Initializer for a semaphore. */ +#define __SEMAPHORE_INITIALIZER(pshared, value) \ + { __PTHREAD_SPIN_LOCK_INITIALIZER, NULL, (pshared), (value), NULL } + +#endif /* bits/semaphore.h */ |