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| author | rpj <rpj> | 2005-05-06 07:27:10 +0000 |
|---|---|---|
| committer | rpj <rpj> | 2005-05-06 07:27:10 +0000 |
| commit | 7523c7c4d75652f67cd31cb123e1268790394c8b (patch) | |
| tree | 0920ebf089ccb971e0878542f85486171a541a8a /manual/pthread_join.html | |
| parent | cf42850c77554311e62d3780f6a36cbc38e5e002 (diff) | |
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diff --git a/manual/pthread_join.html b/manual/pthread_join.html new file mode 100644 index 0000000..3e3f3b9 --- /dev/null +++ b/manual/pthread_join.html @@ -0,0 +1,118 @@ +<!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 <pthread.h></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 <Xavier.Leroy@inria.fr> +</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> |