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