327 lines
11 KiB
C
327 lines
11 KiB
C
/*
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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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* $FreeBSD$
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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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#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 1024
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#define PTHREAD_THREADS_MAX ULONG_MAX
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/*
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* Compile time symbolic constants for portability specifications:
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*
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* Note that those commented out are not currently supported by the
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* implementation.
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*/
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#define _POSIX_THREADS
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#define _POSIX_THREAD_ATTR_STACKADDR
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#define _POSIX_THREAD_ATTR_STACKSIZE
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#define _POSIX_THREAD_PRIORITY_SCHEDULING
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#define _POSIX_THREAD_PRIO_INHERIT
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#define _POSIX_THREAD_PRIO_PROTECT
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/* #define _POSIX_THREAD_PROCESS_SHARED */
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#define _POSIX_THREAD_SAFE_FUNCTIONS
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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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* 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 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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/*
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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) __P((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, NULL }
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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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/*
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* Default attribute arguments (draft 4, deprecated).
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*/
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#ifndef PTHREAD_KERNEL
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#define pthread_condattr_default NULL
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#define pthread_mutexattr_default NULL
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#define pthread_attr_default NULL
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#endif
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#define PTHREAD_PRIO_NONE 0
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#ifdef _POSIX_THREAD_PRIO_PROTECT
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#define PTHREAD_PRIO_INHERIT 1
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#define PTHREAD_PRIO_PROTECT 2
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#endif
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/*
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* Mutex types (Single UNIX Specification, Version 2, 1997).
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*
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* Note that a mutex attribute with one of the following types:
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*
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* PTHREAD_MUTEX_NORMAL
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* PTHREAD_MUTEX_RECURSIVE
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* MUTEX_TYPE_FAST (deprecated)
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* MUTEX_TYPE_COUNTING_FAST (deprecated)
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*
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* will deviate from POSIX specified semantics.
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*/
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enum pthread_mutextype {
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PTHREAD_MUTEX_ERRORCHECK = 1, /* Default POSIX 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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MUTEX_TYPE_MAX
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};
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#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_ERRORCHECK
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#define MUTEX_TYPE_FAST PTHREAD_MUTEX_NORMAL
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#define MUTEX_TYPE_COUNTING_FAST PTHREAD_MUTEX_RECURSIVE
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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_attr_destroy __P((pthread_attr_t *));
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int pthread_attr_getstacksize __P((pthread_attr_t *, size_t *));
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int pthread_attr_getstackaddr __P((pthread_attr_t *, void **));
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int pthread_attr_getdetachstate __P((pthread_attr_t *, int *));
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int pthread_attr_init __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_setstackaddr __P((pthread_attr_t *, void *));
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int pthread_attr_setdetachstate __P((pthread_attr_t *, int));
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void pthread_cleanup_pop __P((int));
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void pthread_cleanup_push __P((void (*) (void *),
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void *routine_arg));
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int pthread_condattr_destroy __P((pthread_condattr_t *));
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int pthread_condattr_init __P((pthread_condattr_t *));
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#if defined(_POSIX_THREAD_PROCESS_SHARED)
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int pthread_condattr_getpshared __P((pthread_condattr_t *,
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int *));
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int pthread_condattr_setpshared __P((pthread_condattr_t *,
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int));
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#endif
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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_cond_init __P((pthread_cond_t *,
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const pthread_condattr_t *));
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int pthread_cond_signal __P((pthread_cond_t *));
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int pthread_cond_timedwait __P((pthread_cond_t *,
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pthread_mutex_t *, const struct timespec *));
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int pthread_cond_wait __P((pthread_cond_t *, pthread_mutex_t *));
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int pthread_create __P((pthread_t *, const pthread_attr_t *,
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void *(*) (void *), void *));
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int pthread_detach __P((pthread_t));
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int pthread_equal __P((pthread_t, pthread_t));
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void pthread_exit __P((void *));
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void *pthread_getspecific __P((pthread_key_t));
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int pthread_join __P((pthread_t, void **));
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int pthread_key_create __P((pthread_key_t *,
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void (*) (void *)));
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int pthread_key_delete __P((pthread_key_t));
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int pthread_kill __P((struct pthread *, int));
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int pthread_mutexattr_init __P((pthread_mutexattr_t *));
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int pthread_mutexattr_destroy __P((pthread_mutexattr_t *));
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int pthread_mutexattr_settype __P((pthread_mutexattr_t *, int));
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int pthread_mutex_destroy __P((pthread_mutex_t *));
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int pthread_mutex_init __P((pthread_mutex_t *,
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const pthread_mutexattr_t *));
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int pthread_mutex_lock __P((pthread_mutex_t *));
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int pthread_mutex_trylock __P((pthread_mutex_t *));
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int pthread_mutex_unlock __P((pthread_mutex_t *));
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int pthread_once __P((pthread_once_t *,
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void (*) (void)));
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int pthread_rwlock_destroy __P((pthread_rwlock_t *));
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int pthread_rwlock_init __P((pthread_rwlock_t *,
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const pthread_rwlockattr_t *));
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int pthread_rwlock_rdlock __P((pthread_rwlock_t *));
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int pthread_rwlock_tryrdlock __P((pthread_rwlock_t *));
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int pthread_rwlock_trywrlock __P((pthread_rwlock_t *));
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int pthread_rwlock_unlock __P((pthread_rwlock_t *));
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int pthread_rwlock_wrlock __P((pthread_rwlock_t *));
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int pthread_rwlockattr_init __P((pthread_rwlockattr_t *));
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int pthread_rwlockattr_getpshared __P((const pthread_rwlockattr_t *,
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int *));
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int pthread_rwlockattr_setpshared __P((pthread_rwlockattr_t *,
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int *));
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int pthread_rwlockattr_destroy __P((pthread_rwlockattr_t *));
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pthread_t pthread_self __P((void));
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int pthread_setspecific __P((pthread_key_t, const void *));
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int pthread_sigmask __P((int, const sigset_t *, sigset_t *));
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#ifdef NOT_YET
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int pthread_cancel __P((pthread_t));
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int pthread_setcancelstate __P((int, int *));
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int pthread_setcanceltype __P((int, int *));
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void pthread_testcancel __P((void));
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#endif
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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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void pthread_yield __P((void));
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#if defined(_POSIX_THREAD_PROCESS_SHARED)
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int pthread_mutexattr_getpshared __P((pthread_mutexattr_t *,
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int *pshared));
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int pthread_mutexattr_setpshared __P((pthread_mutexattr_t *,
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int pshared));
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#endif
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#if defined(_POSIX_THREAD_PRIO_PROTECT)
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int pthread_mutexattr_getprioceiling __P((pthread_mutexattr_t *,
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int *));
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int pthread_mutexattr_setprioceiling __P((pthread_mutexattr_t *,
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int));
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int pthread_mutex_getprioceiling __P((pthread_mutex_t *, int *));
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int pthread_mutex_setprioceiling __P((pthread_mutex_t *, int, int *));
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#endif
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#if defined(_POSIX_THREAD_PRIO_PROTECT) || defined (_POSIX_THREAD_PRIO_INHERIT)
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int pthread_mutexattr_getprotocol __P((pthread_mutexattr_t *,
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int *));
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int pthread_mutexattr_setprotocol __P((pthread_mutexattr_t *,
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int));
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#endif
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#if defined(_POSIX_THREAD_PRIORITY_SCHEDULING)
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int pthread_attr_getinheritsched __P((pthread_attr_t *, int *));
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int pthread_attr_getschedparam __P((pthread_attr_t *,
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struct sched_param *));
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int pthread_attr_getschedpolicy __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_setschedparam __P((pthread_attr_t *,
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struct sched_param *));
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int pthread_attr_setschedpolicy __P((pthread_attr_t *, int));
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int pthread_attr_setscope __P((pthread_attr_t *, int));
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int pthread_getschedparam __P((pthread_t pthread, int *,
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struct sched_param *));
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int pthread_setschedparam __P((pthread_t, int,
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struct sched_param *));
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#endif
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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 *,
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void (*) (void *), void *));
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__END_DECLS
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#endif
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