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author | marha <marha@users.sourceforge.net> | 2013-02-13 10:41:10 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2013-02-13 10:41:10 +0100 |
commit | b41f74438672dd682bc01ae818cb3da654f22c1e (patch) | |
tree | 07674ef1368a5427a75080528d8cee74234f6b28 /pthreads/manual/pthread_join.html | |
parent | aaf21968deb85b635cb6aa6544df233ea5981346 (diff) | |
download | vcxsrv-b41f74438672dd682bc01ae818cb3da654f22c1e.tar.gz vcxsrv-b41f74438672dd682bc01ae818cb3da654f22c1e.tar.bz2 vcxsrv-b41f74438672dd682bc01ae818cb3da654f22c1e.zip |
Updated to latest CVS version of pthreads
Diffstat (limited to 'pthreads/manual/pthread_join.html')
-rw-r--r-- | pthreads/manual/pthread_join.html | 271 |
1 files changed, 153 insertions, 118 deletions
diff --git a/pthreads/manual/pthread_join.html b/pthreads/manual/pthread_join.html index 3e3f3b902..e1a8116d9 100644 --- a/pthreads/manual/pthread_join.html +++ 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 <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> +<!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 – 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 – join another thread without waiting</P>
+<H2 CLASS="western"><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>
+<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 <Xavier.Leroy@inria.fr>
+</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>
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