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/* $OpenBSD: pthread.h,v 1.1 2017/10/15 23:40:33 guenther Exp $ */ |
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/* |
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* Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu |
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* Copyright (c) 1995-1998 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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* $FreeBSD: pthread.h,v 1.13 1999/07/31 08:36:07 rse Exp $ |
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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/types.h> |
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#include <sys/time.h> |
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#include <sys/signal.h> |
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#include <limits.h> |
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#include <sched.h> |
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/* |
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* Run-time invariant values: |
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*/ |
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#define PTHREAD_DESTRUCTOR_ITERATIONS 4 |
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#define PTHREAD_KEYS_MAX 256 |
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#define PTHREAD_STACK_MIN 2048 |
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#define PTHREAD_THREADS_MAX ULONG_MAX |
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/* |
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* Flags for threads and thread attributes. |
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*/ |
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#define PTHREAD_DETACHED 0x1 |
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#define PTHREAD_SCOPE_SYSTEM 0x2 |
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#define PTHREAD_INHERIT_SCHED 0x4 |
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#define PTHREAD_NOFLOAT 0x8 |
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#define PTHREAD_CREATE_DETACHED PTHREAD_DETACHED |
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#define PTHREAD_CREATE_JOINABLE 0 |
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#define PTHREAD_SCOPE_PROCESS 0 |
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#define PTHREAD_EXPLICIT_SCHED 0 |
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/* |
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* Flags for read/write lock attributes |
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*/ |
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#define PTHREAD_PROCESS_PRIVATE 0 |
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#define PTHREAD_PROCESS_SHARED 1 |
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/* |
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* Flags for cancelling threads |
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*/ |
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#define PTHREAD_CANCEL_ENABLE 0 |
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#define PTHREAD_CANCEL_DISABLE 1 |
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#define PTHREAD_CANCEL_DEFERRED 0 |
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#define PTHREAD_CANCEL_ASYNCHRONOUS 2 |
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#define PTHREAD_CANCELED ((void *) 1) |
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/* |
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* Barrier flags |
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*/ |
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#define PTHREAD_BARRIER_SERIAL_THREAD -1 |
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/* |
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* Forward structure definitions. |
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* |
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* These are mostly opaque to the user. |
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*/ |
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struct pthread; |
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struct pthread_attr; |
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struct pthread_cond; |
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struct pthread_cond_attr; |
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struct pthread_mutex; |
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struct pthread_mutex_attr; |
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struct pthread_once; |
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struct pthread_rwlock; |
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struct pthread_rwlockattr; |
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/* |
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* Primitive system data type definitions required by P1003.1c. |
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* |
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* Note that P1003.1c specifies that there are no defined comparison |
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* or assignment operators for the types pthread_attr_t, pthread_cond_t, |
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* pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t. |
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*/ |
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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 volatile 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_cond *pthread_cond_t; |
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typedef struct pthread_cond_attr *pthread_condattr_t; |
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typedef int pthread_key_t; |
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typedef struct pthread_once pthread_once_t; |
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typedef struct pthread_rwlock *pthread_rwlock_t; |
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typedef struct pthread_rwlockattr *pthread_rwlockattr_t; |
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typedef struct pthread_barrier *pthread_barrier_t; |
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typedef struct pthread_barrierattr *pthread_barrierattr_t; |
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typedef struct pthread_spinlock *pthread_spinlock_t; |
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/* |
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* Additional type definitions: |
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* |
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* Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for |
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* use in header symbols. |
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*/ |
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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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* Once definitions. |
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*/ |
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struct pthread_once { |
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int state; |
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pthread_mutex_t 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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* Static initialization values. |
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*/ |
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#define PTHREAD_MUTEX_INITIALIZER NULL |
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#define PTHREAD_COND_INITIALIZER NULL |
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#define PTHREAD_RWLOCK_INITIALIZER NULL |
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#define PTHREAD_PRIO_NONE 0 |
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#define PTHREAD_PRIO_INHERIT 1 |
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#define PTHREAD_PRIO_PROTECT 2 |
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/* |
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* Mutex types. |
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*/ |
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enum pthread_mutextype { |
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PTHREAD_MUTEX_ERRORCHECK = 1, /* Error checking mutex */ |
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PTHREAD_MUTEX_RECURSIVE = 2, /* Recursive mutex */ |
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PTHREAD_MUTEX_NORMAL = 3, /* No error checking */ |
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PTHREAD_MUTEX_STRICT_NP = 4, /* Strict error checking */ |
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PTHREAD_MUTEX_TYPE_MAX |
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}; |
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#define PTHREAD_MUTEX_ERRORCHECK PTHREAD_MUTEX_ERRORCHECK |
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#define PTHREAD_MUTEX_RECURSIVE PTHREAD_MUTEX_RECURSIVE |
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#define PTHREAD_MUTEX_NORMAL PTHREAD_MUTEX_NORMAL |
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#define PTHREAD_MUTEX_STRICT_NP PTHREAD_MUTEX_STRICT_NP |
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#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_STRICT_NP |
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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_atfork(void (*)(void), void (*)(void), void (*)(void)); |
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int pthread_attr_destroy(pthread_attr_t *); |
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int pthread_attr_getstack(const pthread_attr_t *, |
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void **, size_t *); |
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int pthread_attr_getstacksize(const pthread_attr_t *, size_t *); |
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int pthread_attr_getstackaddr(const pthread_attr_t *, void **); |
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int pthread_attr_getguardsize(const pthread_attr_t *, size_t *); |
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int pthread_attr_getdetachstate(const pthread_attr_t *, int *); |
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int pthread_attr_init(pthread_attr_t *); |
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int pthread_attr_setstacksize(pthread_attr_t *, size_t); |
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int pthread_attr_setstack(pthread_attr_t *, void *, size_t); |
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int pthread_attr_setstackaddr(pthread_attr_t *, void *); |
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int pthread_attr_setguardsize(pthread_attr_t *, size_t); |
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int pthread_attr_setdetachstate(pthread_attr_t *, int); |
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void pthread_cleanup_pop(int); |
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void pthread_cleanup_push(void (*) (void *), void *routine_arg); |
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int pthread_condattr_destroy(pthread_condattr_t *); |
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int pthread_condattr_init(pthread_condattr_t *); |
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int pthread_cond_broadcast(pthread_cond_t *); |
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int pthread_cond_destroy(pthread_cond_t *); |
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int pthread_cond_init(pthread_cond_t *, |
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const pthread_condattr_t *); |
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int pthread_cond_signal(pthread_cond_t *); |
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int pthread_cond_timedwait(pthread_cond_t *, |
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pthread_mutex_t *, const struct timespec *); |
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int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *); |
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int pthread_create(pthread_t *, const pthread_attr_t *, |
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void *(*) (void *), void *); |
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int pthread_detach(pthread_t); |
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int pthread_equal(pthread_t, pthread_t); |
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__dead void pthread_exit(void *); |
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void *pthread_getspecific(pthread_key_t); |
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int pthread_join(pthread_t, void **); |
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int pthread_key_create(pthread_key_t *, |
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void (*) (void *)); |
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int pthread_key_delete(pthread_key_t); |
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int pthread_kill(pthread_t, int); |
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int pthread_mutexattr_init(pthread_mutexattr_t *); |
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int pthread_mutexattr_destroy(pthread_mutexattr_t *); |
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int pthread_mutexattr_gettype(pthread_mutexattr_t *, int *); |
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int pthread_mutexattr_settype(pthread_mutexattr_t *, int); |
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int pthread_mutex_destroy(pthread_mutex_t *); |
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int pthread_mutex_init(pthread_mutex_t *, |
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const pthread_mutexattr_t *); |
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int pthread_mutex_lock(pthread_mutex_t *); |
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int pthread_mutex_timedlock(pthread_mutex_t *, |
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const struct timespec *); |
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int pthread_mutex_trylock(pthread_mutex_t *); |
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int pthread_mutex_unlock(pthread_mutex_t *); |
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int pthread_once(pthread_once_t *, void (*) (void)); |
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int pthread_rwlock_destroy(pthread_rwlock_t *); |
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int pthread_rwlock_init(pthread_rwlock_t *, |
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const pthread_rwlockattr_t *); |
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int pthread_rwlock_rdlock(pthread_rwlock_t *); |
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int pthread_rwlock_timedrdlock(pthread_rwlock_t *, |
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const struct timespec *); |
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int pthread_rwlock_timedwrlock(pthread_rwlock_t *, |
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const struct timespec *); |
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int pthread_rwlock_tryrdlock(pthread_rwlock_t *); |
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int pthread_rwlock_trywrlock(pthread_rwlock_t *); |
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int pthread_rwlock_unlock(pthread_rwlock_t *); |
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int pthread_rwlock_wrlock(pthread_rwlock_t *); |
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int pthread_rwlockattr_init(pthread_rwlockattr_t *); |
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int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *, |
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int *); |
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int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int); |
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int pthread_rwlockattr_destroy(pthread_rwlockattr_t *); |
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pthread_t pthread_self(void); |
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int pthread_setspecific(pthread_key_t, const void *); |
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int pthread_cancel(pthread_t); |
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int pthread_setcancelstate(int, int *); |
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int pthread_setcanceltype(int, int *); |
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void pthread_testcancel(void); |
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int pthread_getprio(pthread_t); |
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int pthread_setprio(pthread_t, int); |
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void pthread_yield(void); |
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int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *, |
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int *); |
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int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, |
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int); |
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int pthread_mutex_getprioceiling(pthread_mutex_t *, int *); |
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int pthread_mutex_setprioceiling(pthread_mutex_t *, int, int *); |
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int pthread_mutexattr_getprotocol(pthread_mutexattr_t *, int *); |
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int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int); |
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int pthread_condattr_getclock(const pthread_condattr_t *, |
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clockid_t *); |
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int pthread_condattr_setclock(pthread_condattr_t *, clockid_t); |
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int pthread_attr_getinheritsched(const pthread_attr_t *, int *); |
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int pthread_attr_getschedparam(const pthread_attr_t *, |
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struct sched_param *); |
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int pthread_attr_getschedpolicy(const pthread_attr_t *, int *); |
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int pthread_attr_getscope(const pthread_attr_t *, int *); |
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int pthread_attr_setinheritsched(pthread_attr_t *, int); |
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int pthread_attr_setschedparam(pthread_attr_t *, |
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const struct sched_param *); |
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int pthread_attr_setschedpolicy(pthread_attr_t *, int); |
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int pthread_attr_setscope(pthread_attr_t *, int); |
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int pthread_getschedparam(pthread_t pthread, int *, |
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struct sched_param *); |
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int pthread_setschedparam(pthread_t, int, |
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const struct sched_param *); |
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int pthread_getconcurrency(void); |
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int pthread_setconcurrency(int); |
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int pthread_barrier_init(pthread_barrier_t *, |
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pthread_barrierattr_t *, unsigned int); |
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int pthread_barrier_destroy(pthread_barrier_t *); |
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int pthread_barrier_wait(pthread_barrier_t *); |
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int pthread_barrierattr_init(pthread_barrierattr_t *); |
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int pthread_barrierattr_destroy(pthread_barrierattr_t *); |
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int pthread_barrierattr_getpshared(pthread_barrierattr_t *, int *); |
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int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int); |
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int pthread_spin_init(pthread_spinlock_t *, int); |
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int pthread_spin_destroy(pthread_spinlock_t *); |
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int pthread_spin_trylock(pthread_spinlock_t *); |
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int pthread_spin_lock(pthread_spinlock_t *); |
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int pthread_spin_unlock(pthread_spinlock_t *); |
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#if __POSIX_VISIBLE >= 200112 |
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int pthread_getcpuclockid(pthread_t, clockid_t *); |
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#endif |
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__END_DECLS |
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#endif /* _PTHREAD_H_ */ |