--- linuxthreads/semaphore.h | 87 ------------------------------ linuxthreads/sysdeps/pthread/semaphore.h | 88 ++++++++++++++++++++++++++++++- 2 files changed, 87 insertions(+), 88 deletions(-) --- a/linuxthreads/semaphore.h +++ /dev/null @@ -1,87 +0,0 @@ -/* Linuxthreads - a simple clone()-based implementation of Posix */ -/* threads for Linux. */ -/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */ -/* */ -/* This program 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. */ -/* */ -/* This program 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. */ - -#ifndef _SEMAPHORE_H -#define _SEMAPHORE_H 1 - -#include -#include -#ifdef __USE_XOPEN2K -# define __need_timespec -# include -#endif - -#ifndef _PTHREAD_DESCR_DEFINED -/* Thread descriptors. Needed for `sem_t' definition. */ -typedef struct _pthread_descr_struct *_pthread_descr; -# define _PTHREAD_DESCR_DEFINED -#endif - -/* System specific semaphore definition. */ -typedef struct -{ - struct _pthread_fastlock __sem_lock; - int __sem_value; - _pthread_descr __sem_waiting; -} sem_t; - - - -/* Value returned if `sem_open' failed. */ -#define SEM_FAILED ((sem_t *) 0) - -/* Maximum value the semaphore can have. */ -#define SEM_VALUE_MAX (2147483647) - - -__BEGIN_DECLS - -/* Initialize semaphore object SEM to VALUE. If PSHARED then share it - with other processes. */ -extern int sem_init (sem_t *__sem, int __pshared, unsigned int __value) __THROW; - -/* Free resources associated with semaphore object SEM. */ -extern int sem_destroy (sem_t *__sem) __THROW; - -/* Open a named semaphore NAME with open flaot OFLAG. */ -extern sem_t *sem_open (__const char *__name, int __oflag, ...) __THROW; - -/* Close descriptor for named semaphore SEM. */ -extern int sem_close (sem_t *__sem) __THROW; - -/* Remove named semaphore NAME. */ -extern int sem_unlink (__const char *__name) __THROW; - -/* Wait for SEM being posted. */ -extern int sem_wait (sem_t *__sem); - -#ifdef __USE_XOPEN2K -/* Similar to `sem_wait' but wait only until ABSTIME. */ -extern int sem_timedwait (sem_t *__restrict __sem, - __const struct timespec *__restrict __abstime); -#endif - -/* Test whether SEM is posted. */ -extern int sem_trywait (sem_t *__sem) __THROW; - -/* Post SEM. */ -extern int sem_post (sem_t *__sem) __THROW; - -/* Get current value of SEM and store it in *SVAL. */ -extern int sem_getvalue (sem_t *__restrict __sem, int *__restrict __sval) - __THROW; - -__END_DECLS - -#endif /* semaphore.h */ --- a/linuxthreads/sysdeps/pthread/semaphore.h +++ b/linuxthreads/sysdeps/pthread/semaphore.h @@ -1 +1,87 @@ -#include +/* Linuxthreads - a simple clone()-based implementation of Posix */ +/* threads for Linux. */ +/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */ +/* */ +/* This program 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. */ +/* */ +/* This program 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. */ + +#ifndef _SEMAPHORE_H +#define _SEMAPHORE_H 1 + +#include +#include +#ifdef __USE_XOPEN2K +# define __need_timespec +# include +#endif + +#ifndef _PTHREAD_DESCR_DEFINED +/* Thread descriptors. Needed for `sem_t' definition. */ +typedef struct _pthread_descr_struct *_pthread_descr; +# define _PTHREAD_DESCR_DEFINED +#endif + +/* System specific semaphore definition. */ +typedef struct +{ + struct _pthread_fastlock __sem_lock; + int __sem_value; + _pthread_descr __sem_waiting; +} sem_t; + + + +/* Value returned if `sem_open' failed. */ +#define SEM_FAILED ((sem_t *) 0) + +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + + +__BEGIN_DECLS + +/* Initialize semaphore object SEM to VALUE. If PSHARED then share it + with other processes. */ +extern int sem_init (sem_t *__sem, int __pshared, unsigned int __value) __THROW; + +/* Free resources associated with semaphore object SEM. */ +extern int sem_destroy (sem_t *__sem) __THROW; + +/* Open a named semaphore NAME with open flaot OFLAG. */ +extern sem_t *sem_open (__const char *__name, int __oflag, ...) __THROW; + +/* Close descriptor for named semaphore SEM. */ +extern int sem_close (sem_t *__sem) __THROW; + +/* Remove named semaphore NAME. */ +extern int sem_unlink (__const char *__name) __THROW; + +/* Wait for SEM being posted. */ +extern int sem_wait (sem_t *__sem); + +#ifdef __USE_XOPEN2K +/* Similar to `sem_wait' but wait only until ABSTIME. */ +extern int sem_timedwait (sem_t *__restrict __sem, + __const struct timespec *__restrict __abstime); +#endif + +/* Test whether SEM is posted. */ +extern int sem_trywait (sem_t *__sem) __THROW; + +/* Post SEM. */ +extern int sem_post (sem_t *__sem) __THROW; + +/* Get current value of SEM and store it in *SVAL. */ +extern int sem_getvalue (sem_t *__restrict __sem, int *__restrict __sval) + __THROW; + +__END_DECLS + +#endif /* semaphore.h */