154 lines
4.4 KiB
Groff
154 lines
4.4 KiB
Groff
.\" $NetBSD: pthread.3,v 1.7 2007/11/19 15:53:20 ad Exp $
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.\"
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.\" Copyright (c) 2003 Hubert Feyrer <hubertf@NetBSD.org>
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.\" and Thomas Klausner <wiz@NetBSD.org>
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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. The name of the authors may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" 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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.Dd November 19, 2007
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.Dt PTHREAD 3
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.Os
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.Sh NAME
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.Nm pthread
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.Nd POSIX Threads Library
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.Sh LIBRARY
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.Lb libpthread
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.Sh SYNOPSIS
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.In pthread.h
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.Pp
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.Nm cc
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.Op Ar flags
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.Ar files
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.Fl lpthread
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.Op Ar libraries
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.Sh DESCRIPTION
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The
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.Nm
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library provides an implementation of the standard
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.Tn POSIX
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threads framework.
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.Pp
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Note that the system private thread interfaces upon which the
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.Nm
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library is built are subject to change without notice.
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In order to remain compatible with future
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.Nx
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releases, programs must be linked against the dynamic version of the
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thread library.
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Statically linked programs using the
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.Tn POSIX
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threads framework may not work when run on a future version of the system.
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.Sh ENVIRONMENT
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.Bl -tag -width PTHREAD_DEBUGCOUNTERSXX
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.It Ev PTHREAD_CONCURRENCY
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The current version of the system does not inspect this variable.
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It is reserved for use by the
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.Nm
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library.
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.It Ev PTHREAD_DIAGASSERT
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Possible values are any combinations of:
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.Bl -tag -width ignoreXX -offset indent -compact
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.It Sy A
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Ignore errors.
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.It Sy a
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Abort on errors, creating a core dump for further debugging.
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.It Sy E
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Do not log errors to stdout.
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.It Sy e
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Log errors to stdout.
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.It Sy L
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Do not log errors via
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.Xr syslogd 8 .
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.It Sy l
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Log errors via
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.Xr syslogd 8 .
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.El
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.It Ev PTHREAD_RRTIME
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The current version of the system does not inspect this variable.
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It is reserved for use by the
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.Nm
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library.
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.It Ev PTHREAD_STACKSIZE
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Integer value giving the stack size in kilobytes.
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This allows to set a smaller stack size than the default stack size.
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The default stack size is the current limit on the stack size as
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set with the shell's command to change limits
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.Ic ( limit
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for
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.Xr csh 1 ,
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or
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.Ic ulimit
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for
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.Xr sh 1 ) .
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.El
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.Sh SEE ALSO
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.Xr pthread_attr 3 ,
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.Xr pthread_barrier_destroy 3 ,
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.Xr pthread_barrier_init 3 ,
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.Xr pthread_barrier_wait 3 ,
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.Xr pthread_barrierattr 3 ,
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.Xr pthread_cancel 3 ,
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.Xr pthread_cleanup_push 3 ,
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.Xr pthread_cond_broadcast 3 ,
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.Xr pthread_cond_destroy 3 ,
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.Xr pthread_cond_init 3 ,
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.Xr pthread_cond_wait 3 ,
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.Xr pthread_condattr 3 ,
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.Xr pthread_create 3 ,
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.Xr pthread_detach 3 ,
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.Xr pthread_equal 3 ,
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.Xr pthread_exit 3 ,
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.Xr pthread_getspecific 3 ,
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.Xr pthread_join 3 ,
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.Xr pthread_key_create 3 ,
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.Xr pthread_key_delete 3 ,
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.Xr pthread_kill 3 ,
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.Xr pthread_mutex_destroy 3 ,
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.Xr pthread_mutex_init 3 ,
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.Xr pthread_mutex_lock 3 ,
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.Xr pthread_mutex_unlock 3 ,
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.Xr pthread_mutexattr 3 ,
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.Xr pthread_once 3 ,
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.Xr pthread_rwlock_destroy 3 ,
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.Xr pthread_rwlock_init 3 ,
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.Xr pthread_rwlock_rdlock 3 ,
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.Xr pthread_rwlock_unlock 3 ,
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.Xr pthread_rwlock_wrlock 3 ,
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.Xr pthread_rwlockattr 3 ,
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.Xr pthread_schedparam 3 ,
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.Xr pthread_self 3 ,
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.Xr pthread_setspecific 3 ,
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.Xr pthread_sigmask 3 ,
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.Xr pthread_spin_destroy 3 ,
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.Xr pthread_spin_init 3 ,
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.Xr pthread_spin_lock 3 ,
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.Xr pthread_spin_unlock 3 ,
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.Xr pthread_testcancel 3
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.Sh STANDARDS
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The
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.Nm
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library conforms to
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.St -p1003.1-2001 .
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