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/*
* Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
* Copyright (c) 1995 by John Birrell <jb@cimlogic.com.au>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Chris Provenzano.
* 4. The name of Chris Provenzano may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _PTHREAD_H_
#define _PTHREAD_H_
/*
* Header files.
*/
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/time.h>
/*
* Forward thread structure definition. This is opaque to the user.
*/
struct pthread;
/*
* Queue definitions.
*/
struct pthread_queue {
struct pthread *q_next;
struct pthread *q_last;
void *q_data;
};
/*
* Static queue initialization values.
*/
#define PTHREAD_QUEUE_INITIALIZER { NULL, NULL, NULL }
/*
* Mutex definitions.
*/
enum pthread_mutextype {
MUTEX_TYPE_FAST = 1,
MUTEX_TYPE_COUNTING_FAST = 2, /* Recursive */
MUTEX_TYPE_MAX
};
union pthread_mutex_data {
void *m_ptr;
int m_count;
};
struct pthread_mutex {
enum pthread_mutextype m_type;
struct pthread_queue m_queue;
struct pthread *m_owner;
union pthread_mutex_data m_data;
long m_flags;
};
/*
* Flags for mutexes.
*/
#define MUTEX_FLAGS_PRIVATE 0x01
#define MUTEX_FLAGS_INITED 0x02
#define MUTEX_FLAGS_BUSY 0x04
/*
* Static mutex initialization values.
*/
#define PTHREAD_MUTEX_INITIALIZER \
{ MUTEX_TYPE_FAST, PTHREAD_QUEUE_INITIALIZER, \
NULL, { NULL }, MUTEX_FLAGS_INITED }
struct pthread_mutex_attr {
enum pthread_mutextype m_type;
long m_flags;
};
/*
* Condition variable definitions.
*/
enum pthread_cond_type {
COND_TYPE_FAST,
COND_TYPE_MAX
};
struct pthread_cond {
enum pthread_cond_type c_type;
struct pthread_queue c_queue;
void *c_data;
long c_flags;
};
struct pthread_cond_attr {
enum pthread_cond_type c_type;
long c_flags;
};
/*
* Flags for condition variables.
*/
#define COND_FLAGS_PRIVATE 0x01
#define COND_FLAGS_INITED 0x02
#define COND_FLAGS_BUSY 0x04
/*
* Static cond initialization values.
*/
#define PTHREAD_COND_INITIALIZER \
{ COND_TYPE_FAST, PTHREAD_QUEUE_INITIALIZER, NULL, COND_FLAGS_INITED }
/*
* Cleanup definitions.
*/
struct pthread_cleanup {
struct pthread_cleanup *next;
void (*routine) ();
void *routine_arg;
};
/*
* Scheduling definitions.
*/
enum schedparam_policy {
SCHED_RR,
SCHED_IO,
SCHED_FIFO,
SCHED_OTHER
};
struct pthread_attr {
enum schedparam_policy schedparam_policy;
int prio;
int suspend;
int flags;
void *arg_attr;
void (*cleanup_attr) ();
void *stackaddr_attr;
size_t stacksize_attr;
};
struct sched_param {
int prio;
void *no_data;
};
/*
* Once definitions.
*/
struct pthread_once {
int state;
struct pthread_mutex mutex;
};
/*
* Flags for once initialization.
*/
#define PTHREAD_NEEDS_INIT 0
#define PTHREAD_DONE_INIT 1
/*
* Static once initialization values.
*/
#define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, PTHREAD_MUTEX_INITIALIZER }
/*
* Type definitions.
*/
typedef int pthread_key_t;
typedef struct pthread *pthread_t;
typedef struct pthread_attr pthread_attr_t;
typedef struct pthread_cond pthread_cond_t;
typedef struct pthread_cond_attr pthread_condattr_t;
typedef struct pthread_mutex pthread_mutex_t;
typedef struct pthread_mutex_attr pthread_mutexattr_t;
typedef struct pthread_once pthread_once_t;
typedef void *pthread_addr_t;
typedef void *(*pthread_startroutine_t) (void *);
/*
* Default attribute arguments.
*/
#define pthread_condattr_default NULL
#define pthread_mutexattr_default NULL
#ifndef PTHREAD_KERNEL
#define pthread_attr_default NULL
#endif
/*
* Thread function prototype definitions:
*/
__BEGIN_DECLS
int pthread_create __P((pthread_t *, const pthread_attr_t *,
void *(*start_routine) (void *), void *));
void pthread_exit __P((void *));
pthread_t pthread_self __P((void));
int pthread_equal __P((pthread_t, pthread_t));
int pthread_getprio __P((pthread_t));
int pthread_setprio __P((pthread_t, int));
int pthread_join __P((pthread_t, void **));
int pthread_detach __P((pthread_t *));
int pthread_resume __P((pthread_t));
int pthread_suspend __P((pthread_t));
void pthread_yield __P((void));
int pthread_setschedparam __P((pthread_t pthread, int policy,
struct sched_param * param));
int pthread_getschedparam __P((pthread_t pthread, int *policy,
struct sched_param * param));
int pthread_kill __P((struct pthread *, int));
int pthread_cleanup_push __P((void (*routine) (void *), void *routine_arg));
void pthread_cleanup_pop __P((int execute));
int pthread_cond_init __P((pthread_cond_t *, const pthread_condattr_t *));
int pthread_cond_timedwait __P((pthread_cond_t *, pthread_mutex_t *,
const struct timespec * abstime));
int pthread_cond_wait __P((pthread_cond_t *, pthread_mutex_t *));
int pthread_cond_signal __P((pthread_cond_t *));
int pthread_cond_broadcast __P((pthread_cond_t *));
int pthread_cond_destroy __P((pthread_cond_t *));
int pthread_mutex_init __P((pthread_mutex_t *, const pthread_mutexattr_t *));
int pthread_mutex_lock __P((pthread_mutex_t *));
int pthread_mutex_unlock __P((pthread_mutex_t *));
int pthread_mutex_trylock __P((pthread_mutex_t *));
int pthread_mutex_destroy __P((pthread_mutex_t *));
int pthread_attr_init __P((pthread_attr_t *));
int pthread_attr_destroy __P((pthread_attr_t *));
int pthread_attr_setstacksize __P((pthread_attr_t *, size_t));
int pthread_attr_getstacksize __P((pthread_attr_t *, size_t *));
int pthread_attr_setstackaddr __P((pthread_attr_t *, void *));
int pthread_attr_getstackaddr __P((pthread_attr_t *, void **));
int pthread_attr_setdetachstate __P((pthread_attr_t *, int));
int pthread_attr_getdetachstate __P((pthread_attr_t *, int *));
int pthread_attr_setscope __P((pthread_attr_t *, int));
int pthread_attr_getscope __P((pthread_attr_t *, int *));
int pthread_attr_setinheritsched __P((pthread_attr_t *, int));
int pthread_attr_getinheritsched __P((pthread_attr_t *, int *));
int pthread_attr_setschedpolicy __P((pthread_attr_t *, int));
int pthread_attr_getschedpolicy __P((pthread_attr_t *, int *));
int pthread_attr_setschedparam __P((pthread_attr_t *, struct sched_param *));
int pthread_attr_getschedparam __P((pthread_attr_t *, struct sched_param *));
int pthread_attr_setfloatstate __P((pthread_attr_t *, int));
int pthread_attr_getfloatstate __P((pthread_attr_t *, int *));
int pthread_attr_setcleanup __P((pthread_attr_t *, void (*routine) (void *), void *));
int pthread_attr_setcreatesuspend __P((pthread_attr_t *));
int pthread_once __P((pthread_once_t *, void (*init_routine) (void)));
int pthread_keycreate __P((pthread_key_t *, void (*routine) (void *)));
int pthread_setspecific __P((pthread_key_t, const void *));
int pthread_getspecific __P((pthread_key_t, void **));
int pthread_key_delete __P((pthread_key_t));
__END_DECLS
#endif
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