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authormarha <marha@users.sourceforge.net>2013-02-13 10:41:10 +0100
committermarha <marha@users.sourceforge.net>2013-02-13 10:41:10 +0100
commitb41f74438672dd682bc01ae818cb3da654f22c1e (patch)
tree07674ef1368a5427a75080528d8cee74234f6b28 /pthreads/manual/pthread_join.html
parentaaf21968deb85b635cb6aa6544df233ea5981346 (diff)
downloadvcxsrv-b41f74438672dd682bc01ae818cb3da654f22c1e.tar.gz
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+++ b/pthreads/manual/pthread_join.html
@@ -1,118 +1,153 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
-<HTML>
-<HEAD>
- <META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=utf-8">
- <TITLE>PTHREAD_JOIN(3) manual page</TITLE>
- <META NAME="GENERATOR" CONTENT="OpenOffice.org 1.1.3 (Linux)">
- <META NAME="CREATED" CONTENT="20050504;18232700">
- <META NAME="CHANGED" CONTENT="20050504;18421400">
- <!-- manual page source format generated by PolyglotMan v3.2, -->
- <!-- available at http://polyglotman.sourceforge.net/ -->
-</HEAD>
-<BODY LANG="en-GB" BGCOLOR="#ffffff" DIR="LTR">
-<H4>POSIX Threads for Windows – REFERENCE - <A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</A></H4>
-<P><A HREF="index.html">Reference Index</A></P>
-<P><A HREF="#toc">Table of Contents</A></P>
-<H2><A HREF="#toc0" NAME="sect0">Name</A></H2>
-<P>pthread_join - wait for termination of another thread
-</P>
-<H2><A HREF="#toc1" NAME="sect1">Synopsis</A></H2>
-<P><B>#include &lt;pthread.h&gt;</B>
-</P>
-<P><B>int pthread_join(pthread_t </B><I>th</I><B>, void
-**</B><I>thread_return</I><B>);</B>
-</P>
-<H2><A HREF="#toc2" NAME="sect2">Description</A></H2>
-<P><B>pthread_join</B> suspends the execution of the calling thread
-until the thread identified by <I>th</I> terminates, either by
-calling <A HREF="pthread_exit.html"><B>pthread_exit</B>(3)</A> or by
-being cancelled.
-</P>
-<P>If <I>thread_return</I> is not <B>NULL</B>, the return value of <I>th</I>
-is stored in the location pointed to by <I>thread_return</I>. The
-return value of <I>th</I> is either the argument it gave to
-<A HREF="pthread_exit.html"><B>pthread_exit</B>(3)</A> , or
-<B>PTHREAD_CANCELED</B> if <I>th</I> was cancelled.
-</P>
-<P>The joined thread <B>th</B> must be in the joinable state: it must
-not have been detached using <A HREF="pthread_detach.html"><B>pthread_detach</B>(3)</A>
-or the <B>PTHREAD_CREATE_DETACHED</B> attribute to <A HREF="pthread_create.html"><B>pthread_create</B>(3)</A>
-.
-</P>
-<P>When a joinable thread terminates, its memory resources (thread
-descriptor and stack) are not deallocated until another thread
-performs <B>pthread_join</B> on it. Therefore, <B>pthread_join</B>
-must be called once for each joinable thread created to avoid memory
-leaks.
-</P>
-<P>At most one thread can wait for the termination of a given thread.
-Calling <B>pthread_join</B> on a thread <I>th</I> on which another
-thread is already waiting for termination returns an error.
-</P>
-<H2><A HREF="#toc3" NAME="sect3">Cancellation</A></H2>
-<P><B>pthread_join</B> is a cancellation point. If a thread is
-cancelled while suspended in <B>pthread_join</B>, the thread
-execution resumes immediately and the cancellation is executed
-without waiting for the <I>th</I> thread to terminate. If
-cancellation occurs during <B>pthread_join</B>, the <I>th</I> thread
-remains not joined.
-</P>
-<H2><A HREF="#toc4" NAME="sect4">Return Value</A></H2>
-<P>On success, the return value of <I>th</I> is stored in the
-location pointed to by <I>thread_return</I>, and 0 is returned. On
-error, a non-zero error code is returned.
-</P>
-<H2><A HREF="#toc5" NAME="sect5">Errors</A></H2>
-<DL>
- <DT><B>ESRCH</B>
- </DT><DD>
- No thread could be found corresponding to that specified by <I>th</I>.
- </DD><DT>
- <B>EINVAL</B>
- </DT><DD>
- The <I>th</I> thread has been detached.
- </DD><DT>
- <B>EINVAL</B>
- </DT><DD>
- Another thread is already waiting on termination of <I>th</I>.
- </DD><DT>
- <B>EDEADLK</B>
- </DT><DD STYLE="margin-bottom: 0.5cm">
- The <I>th</I> argument refers to the calling thread.
- </DD></DL>
-<H2>
-<A HREF="#toc6" NAME="sect6">Author</A></H2>
-<P>Xavier Leroy &lt;Xavier.Leroy@inria.fr&gt;
-</P>
-<H2><A HREF="#toc7" NAME="sect7">See Also</A></H2>
-<P><A HREF="pthread_exit.html"><B>pthread_exit</B>(3)</A> ,
-<A HREF="pthread_detach.html"><B>pthread_detach</B>(3)</A> ,
-<A HREF="pthread_create.html"><B>pthread_create</B>(3)</A> ,
-<A HREF="pthread_attr_setdetachstate.html"><B>pthread_attr_setdetachstate</B>(3)</A>
-, <A HREF="pthread_cleanup_push.html"><B>pthread_cleanup_push</B>(3)</A>
-, <A HREF="pthread_key_create.html"><B>pthread_key_create</B>(3)</A>
-.
-</P>
-<HR>
-<P><A NAME="toc"></A><B>Table of Contents</B></P>
-<UL>
- <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect0" NAME="toc0">Name</A>
- </P>
- <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect1" NAME="toc1">Synopsis</A>
- </P>
- <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect2" NAME="toc2">Description</A>
- </P>
- <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect3" NAME="toc3">Cancellation</A>
- </P>
- <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect4" NAME="toc4">Return
- Value</A>
- </P>
- <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect5" NAME="toc5">Errors</A>
- </P>
- <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect6" NAME="toc6">Author</A>
- </P>
- <LI><P><A HREF="#sect7" NAME="toc7">See Also</A>
- </P>
-</UL>
-</BODY>
-</HTML>
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=windows-1252">
+ <TITLE>PTHREAD_JOIN(3) manual page</TITLE>
+ <META NAME="GENERATOR" CONTENT="OpenOffice.org 3.4 (Win32)">
+ <META NAME="CREATED" CONTENT="20050504;18232700">
+ <META NAME="CHANGED" CONTENT="20121004;13330921">
+ <STYLE TYPE="text/css">
+ <!--
+ H4.cjk { font-family: "SimSun" }
+ H4.ctl { font-family: "Mangal" }
+ H2.cjk { font-family: "SimSun" }
+ H2.ctl { font-family: "Mangal" }
+ -->
+ </STYLE>
+</HEAD>
+<BODY LANG="en-GB" BGCOLOR="#ffffff" DIR="LTR">
+<H4 CLASS="western">POSIX Threads for Windows &ndash; REFERENCE -
+<A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</A></H4>
+<P><A HREF="index.html">Reference Index</A></P>
+<P><A HREF="#toc">Table of Contents</A></P>
+<H2 CLASS="western"><A HREF="#toc0" NAME="sect0">Name</A></H2>
+<P>pthread_join - wait for termination of another thread</P>
+<P>pthread_timedjoin_np - wait for termination of another thread with
+a timeout
+</P>
+<P>pthread_tryjoin_np &ndash; join another thread without waiting</P>
+<H2 CLASS="western"><A HREF="#toc1" NAME="sect1">Synopsis</A></H2>
+<P><B>#include &lt;pthread.h&gt;</B>
+</P>
+<P><B>int pthread_join(pthread_t </B><I>th</I><B>, void
+**</B><I>thread_return</I><B>);</B>
+</P>
+<P><B>int pthread_timedjoin_np(pthread_t </B><I>th</I><B>, void
+**</B><I>thread_return, </I><SPAN STYLE="font-style: normal"><B>const
+struct timespec *</B></SPAN><I>abstime</I><B>);</B>
+</P>
+<P><B>int pthread_tryjoin_np(pthread_t </B><I>th</I><B>, void
+**</B><I>thread_return</I><B>);</B>
+</P>
+<H2 CLASS="western"><A HREF="#toc2" NAME="sect2">Description</A></H2>
+<P><B>pthread_join</B> suspends the execution of the calling thread
+until the thread identified by <I>th</I> terminates, either by
+calling <A HREF="pthread_exit.html"><B>pthread_exit</B>(3)</A> or by
+being cancelled.
+</P>
+<P>If <I>thread_return</I> is not <B>NULL</B>, the return value of <I>th</I>
+is stored in the location pointed to by <I>thread_return</I>. The
+return value of <I>th</I> is either the argument it gave to
+<A HREF="pthread_exit.html"><B>pthread_exit</B>(3)</A> , or
+<B>PTHREAD_CANCELED</B> if <I>th</I> was cancelled.
+</P>
+<P>The joined thread <I><SPAN STYLE="font-weight: normal">th</SPAN></I>
+must be in the joinable state: it must not have been detached using
+<A HREF="pthread_detach.html"><B>pthread_detach</B>(3)</A> or the
+<B>PTHREAD_CREATE_DETACHED</B> attribute to <A HREF="pthread_create.html"><B>pthread_create</B>(3)</A>
+.
+</P>
+<P>When a joinable thread terminates, its memory resources (thread
+descriptor and stack) are not deallocated until another thread
+performs <B>pthread_join</B> on it. Therefore, <B>pthread_join</B>
+must be called once for each joinable thread created to avoid memory
+leaks.</P>
+<P><B>pthread_timedjoin_np</B> is identical to pthread_join except
+that it will return the error ETIMEDOUT if the target thread <I>th</I>
+has not exited before <I>abstime</I> passes. If <I>abstime</I> is
+NULL the function will wait forever and it's behaviour will therefore
+be identical to pthread_join.</P>
+<P><B>pthread_tryjoin_np</B> is identical to pthread_join except that
+it will return immediately with the error EBUSY if the target thread
+<I>th</I> has not exited.</P>
+<P>At most one thread can wait for the termination of a given thread.
+Calling <B>pthread_join</B> on a thread <I>th</I> on which another
+thread is already waiting for termination returns an error.
+</P>
+<H2 CLASS="western"><A HREF="#toc3" NAME="sect3">Cancellation</A></H2>
+<P><B>pthread_join, pthread_tryjoin_np</B> <SPAN STYLE="font-weight: normal">and
+</SPAN><B>pthread_timedjoin_np</B> are cancellation points. If a
+thread is cancelled while suspended in <SPAN STYLE="font-weight: normal">either
+function</SPAN>, the thread execution resumes immediately and the
+cancellation is executed without waiting for the <I>th</I> thread to
+terminate. If cancellation occurs during either function, the <I>th</I>
+thread remains not joined.
+</P>
+<H2 CLASS="western"><A HREF="#toc4" NAME="sect4">Return Value</A></H2>
+<P>On success, the return value of <I>th</I> is stored in the
+location pointed to by <I>thread_return</I>, and 0 is returned. On
+error, a non-zero error code is returned.
+</P>
+<H2 CLASS="western"><A HREF="#toc5" NAME="sect5">Errors</A></H2>
+<DL>
+ <DT><B>ESRCH</B>
+ </DT><DD>
+ No thread could be found corresponding to that specified by <I>th</I>.
+ </DD><DT>
+ <B>EINVAL</B>
+ </DT><DD>
+ The <I>th</I> thread has been detached.
+ </DD><DT>
+ <B>EINVAL</B>
+ </DT><DD>
+ Another thread is already waiting on termination of <I>th</I>.
+ </DD><DT>
+ <B>ETIMEDOUT</B>
+ </DT><DD>
+ <SPAN STYLE="font-style: normal"><SPAN STYLE="font-weight: normal">(pthread_timedjoin_np
+ only):</SPAN></SPAN> <I>abstime</I> <SPAN STYLE="font-style: normal">passed
+ before </SPAN><I>th</I> <SPAN STYLE="font-style: normal">could be
+ joined</SPAN>.
+ </DD><DT>
+ <B>EDEADLK</B>
+ </DT><DD STYLE="margin-bottom: 0.5cm">
+ The <I>th</I> argument refers to the calling thread.
+ </DD></DL>
+<H2 CLASS="western">
+<A HREF="#toc6" NAME="sect6">Author</A></H2>
+<P>Xavier Leroy &lt;Xavier.Leroy@inria.fr&gt;
+</P>
+<P>Modified by Ross Johnson for use with <A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</A>.
+</P>
+<H2 CLASS="western"><A HREF="#toc7" NAME="sect7">See Also</A></H2>
+<P><A HREF="pthread_exit.html"><B>pthread_exit</B>(3)</A> ,
+<A HREF="pthread_detach.html"><B>pthread_detach</B>(3)</A> ,
+<A HREF="pthread_create.html"><B>pthread_create</B>(3)</A> ,
+<A HREF="pthread_attr_setdetachstate.html"><B>pthread_attr_setdetachstate</B>(3)</A>
+, <A HREF="pthread_cleanup_push.html"><B>pthread_cleanup_push</B>(3)</A>
+, <A HREF="pthread_key_create.html"><B>pthread_key_create</B>(3)</A>
+.
+</P>
+<HR>
+<P><A NAME="toc"></A><B>Table of Contents</B></P>
+<UL>
+ <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect0" NAME="toc0">Name</A>
+ </P>
+ <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect1" NAME="toc1">Synopsis</A>
+ </P>
+ <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect2" NAME="toc2">Description</A>
+ </P>
+ <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect3" NAME="toc3">Cancellation</A>
+ </P>
+ <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect4" NAME="toc4">Return
+ Value</A>
+ </P>
+ <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect5" NAME="toc5">Errors</A>
+ </P>
+ <LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect6" NAME="toc6">Author</A>
+ </P>
+ <LI><P><A HREF="#sect7" NAME="toc7">See Also</A>
+ </P>
+</UL>
+</BODY>
+</HTML> \ No newline at end of file