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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta name="generator" content="HTML Tidy, see www.w3.org"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><link type="text/css" rel="stylesheet" href="style.css"><!-- Generated by The Open Group's rhtm tool v1.2.1 --><!-- Copyright (c) 2001-2003 The Open Group, All Rights Reserved --><title><pthread.h></title></head><body bgcolor="white"><script type="text/javascript" language="JavaScript" src="../jscript/codes.js"></script><basefont size="3"> <a name="<pthread.h>"></a> <a name="tag_13_36"></a><!-- <pthread.h> --> <!--header start--><center><font size="2">The Open Group Base Specifications Issue 6<br>IEEE Std 1003.1, 2003 Edition<br>Copyright © 2001-2003 The IEEE and The Open Group, All Rights reserved.</font></center><!--header end--><hr size="2" noshade><h4><a name="tag_13_36_01"></a>NAME</h4><blockquote>pthread.h - threads</blockquote><h4><a name="tag_13_36_02"></a>SYNOPSIS</h4><blockquote class="synopsis"><div class="box"><tt><sup>[<a href="javascript:open_code('THR')">THR</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"> #include <pthread.h> <img src="../images/opt-end.gif" alt="[Option End]" border="0"></tt></div></blockquote><h4><a name="tag_13_36_03"></a>DESCRIPTION</h4><blockquote><p>The <i><pthread.h></i> header shall define the following symbols:</p><p><br><sup>[<a href="javascript:open_code('BAR')">BAR</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br>PTHREAD_BARRIER_SERIAL_THREAD<br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br>PTHREAD_CANCEL_ASYNCHRONOUS<br>PTHREAD_CANCEL_ENABLE<br>PTHREAD_CANCEL_DEFERRED<br>PTHREAD_CANCEL_DISABLE<br>PTHREAD_CANCELED<br>PTHREAD_COND_INITIALIZER<br>PTHREAD_CREATE_DETACHED<br>PTHREAD_CREATE_JOINABLE<br>PTHREAD_EXPLICIT_SCHED<br>PTHREAD_INHERIT_SCHED<br><sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br>PTHREAD_MUTEX_DEFAULT<br>PTHREAD_MUTEX_ERRORCHECK<br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br>PTHREAD_MUTEX_INITIALIZER<br><sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br>PTHREAD_MUTEX_NORMAL<br>PTHREAD_MUTEX_RECURSIVE<br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br>PTHREAD_ONCE_INIT<br><sup>[<a href="javascript:open_code('TPI')">TPI</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br>PTHREAD_PRIO_INHERIT<br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br><sup>[<a href="javascript:open_code('TPP')">TPP|TPI</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br>PTHREAD_PRIO_NONE<br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br><sup>[<a href="javascript:open_code('TPP')">TPP</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br>PTHREAD_PRIO_PROTECT<br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br>PTHREAD_PROCESS_SHARED<br>PTHREAD_PROCESS_PRIVATE<br><sup>[<a href="javascript:open_code('TPS')">TPS</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br>PTHREAD_SCOPE_PROCESS<br>PTHREAD_SCOPE_SYSTEM<br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br></p><p>The following types shall be defined as described in <a href="sys/types.h.html"><i><sys/types.h></i></a> :</p><p><br><b>pthread_attr_t</b><br><sup>[<a href="javascript:open_code('BAR')">BAR</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br><b>pthread_barrier_t</b><br><b>pthread_barrierattr_t</b><br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br><b>pthread_cond_t</b><br><b>pthread_condattr_t</b><br><b>pthread_key_t</b><br><b>pthread_mutex_t</b><br><b>pthread_mutexattr_t</b><br><b>pthread_once_t</b><br><b>pthread_rwlock_t</b><br><b>pthread_rwlockattr_t</b><br><sup>[<a href="javascript:open_code('SPI')">SPI</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"><br><b>pthread_spinlock_t</b><br><img src="../images/opt-end.gif" alt="[Option End]" border="0"><br><b>pthread_t</b><br></p><p>The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided.</p><pre><tt>int pthread_atfork(void (*)(void), void (*)(void), void(*)(void));int pthread_attr_destroy(pthread_attr_t *);int pthread_attr_getdetachstate(const pthread_attr_t *, int *);<sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_getguardsize(const pthread_attr_t *restrict, size_t *restrict);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TPS')">TPS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_getinheritsched(const pthread_attr_t *restrict, int *restrict);<img src="../images/opt-end.gif" alt="[Option End]" border="0">int pthread_attr_getschedparam(const pthread_attr_t *restrict, struct sched_param *restrict);<sup>[<a href="javascript:open_code('TPS')">TPS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_getschedpolicy(const pthread_attr_t *restrict, int *restrict);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TPS')">TPS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_getscope(const pthread_attr_t *restrict, int *restrict);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TSA TSS')">TSA TSS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_getstack(const pthread_attr_t *restrict, void **restrict, size_t *restrict);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TSA')">TSA</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_getstackaddr(const pthread_attr_t *restrict, void **restrict);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TSS')">TSS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_getstacksize(const pthread_attr_t *restrict, size_t *restrict);<img src="../images/opt-end.gif" alt="[Option End]" border="0">int pthread_attr_init(pthread_attr_t *);int pthread_attr_setdetachstate(pthread_attr_t *, int);<sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_setguardsize(pthread_attr_t *, size_t);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TPS')">TPS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_setinheritsched(pthread_attr_t *, int);<img src="../images/opt-end.gif" alt="[Option End]" border="0">int pthread_attr_setschedparam(pthread_attr_t *restrict, const struct sched_param *restrict);<sup>[<a href="javascript:open_code('TPS')">TPS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_setschedpolicy(pthread_attr_t *, int);int pthread_attr_setscope(pthread_attr_t *, int);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TSA TSS')">TSA TSS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_setstack(pthread_attr_t *, void *, size_t);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TSA')">TSA</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_setstackaddr(pthread_attr_t *, void *);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('TSS')">TSS</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_attr_setstacksize(pthread_attr_t *, size_t);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('BAR')">BAR</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_barrier_destroy(pthread_barrier_t *);int pthread_barrier_init(pthread_barrier_t *restrict, const pthread_barrierattr_t *restrict, unsigned);int pthread_barrier_wait(pthread_barrier_t *);int pthread_barrierattr_destroy(pthread_barrierattr_t *);<img src="../images/opt-end.gif" alt="[Option End]" border="0"><sup>[<a href="javascript:open_code('BAR TSH')">BAR TSH</a>]</sup><img src="../images/opt-start.gif" alt="[Option Start]" border="0">int pthread_barrierattr_getpshared( const pthread_barrierattr_t *restrict, int *restrict);⌨️ 快捷键说明
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