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128 lines
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<TITLE>"PTHREAD_ATTR_GETSTACKSIZE"(P) manual page</TITLE>
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<H4>POSIX Threads for Windows – REFERENCE - <A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</A></H4>
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<P><A HREF="index.html">Reference Index</A></P>
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<P><A HREF="#toc">Table of Contents</A></P>
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<H2><A HREF="#toc0" NAME="sect0">Name</A></H2>
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<P>pthread_attr_getstacksize, pthread_attr_setstacksize - get and set
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the stacksize attribute
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</P>
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<H2><A HREF="#toc1" NAME="sect1">Synopsis</A></H2>
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<P><B>#include <pthread.h> </B>
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</P>
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<P><B>int pthread_attr_getstacksize(const pthread_attr_t *restrict</B>
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<I>attr</I><B>, size_t *restrict</B> <I>stacksize</I><B>); <BR>int
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pthread_attr_setstacksize(pthread_attr_t *</B><I>attr</I><B>, size_t</B>
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<I>stacksize</I><B>); </B>
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</P>
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<H2><A HREF="#toc2" NAME="sect2">Description</A></H2>
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<P>The <B>pthread_attr_getstacksize</B> and <B>pthread_attr_setstacksize</B>
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functions, respectively, shall get and set the thread creation
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<I>stacksize</I> attribute in the <I>attr</I> object.
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</P>
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<P>The <I>stacksize</I> attribute shall define the minimum stack size
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(in bytes) allocated for the created threads stack.
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</P>
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<P><B>Pthreads-w32</B> defines <B>_POSIX_THREAD_ATTR_STACKSIZE</B> in
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pthread.h to indicate that these routines are implemented and may be
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used to set or get the stack size.</P>
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<P>Default value: 0 (in Pthreads-w32 a value of 0 means the stack
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will grow as required)</P>
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<H2><A HREF="#toc3" NAME="sect3">Return Value</A></H2>
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<P>Upon successful completion, <B>pthread_attr_getstacksize</B> and
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<B>pthread_attr_setstacksize</B> shall return a value of 0;
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otherwise, an error number shall be returned to indicate the error.
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</P>
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<P>The <B>pthread_attr_getstacksize</B> function stores the <I>stacksize</I>
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attribute value in <I>stacksize</I> if successful.
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</P>
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<H2><A HREF="#toc4" NAME="sect4">Errors</A></H2>
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<P>The <B>pthread_attr_setstacksize</B> function shall fail if:
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</P>
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<DL>
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<DT><B>EINVAL</B>
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</DT><DD STYLE="margin-bottom: 0.5cm">
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The value of <I>stacksize</I> is less than {PTHREAD_STACK_MIN} or
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exceeds a system-imposed limit.
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</DD></DL>
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<P>
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These functions shall not return an error code of [EINTR].
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</P>
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<P><I>The following sections are informative.</I>
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</P>
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<H2><A HREF="#toc5" NAME="sect5">Examples</A></H2>
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<P>None.
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</P>
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<H2><A HREF="#toc6" NAME="sect6">Application Usage</A></H2>
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<P>None.
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</P>
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<H2><A HREF="#toc7" NAME="sect7">Rationale</A></H2>
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<P>None.
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</P>
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<H2><A HREF="#toc8" NAME="sect8">Future Directions</A></H2>
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<P>None.
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</P>
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<H2><A HREF="#toc9" NAME="sect9">See Also</A></H2>
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<P><A HREF="pthread_attr_init.html"><B>pthread_attr_destroy</B>(3)</A>
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<B>,</B> <A HREF="pthread_attr_setstackaddr.html"><B>pthread_attr_getstackaddr</B>(3)</A>
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<B>,</B> <A HREF="pthread_attr_init.html"><B>pthread_attr_getdetachstate</B>(3)</A>
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<B>,</B> <A HREF="pthread_create.html"><B>pthread_create</B>(3)</A> <B>,</B>
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the Base Definitions volume of IEEE Std 1003.1-2001,
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<I><limits.h></I>, <I><pthread.h></I>
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</P>
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<H2><A HREF="#toc10" NAME="sect10">Copyright</A></H2>
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<P>Portions of this text are reprinted and reproduced in electronic
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form from IEEE Std 1003.1, 2003 Edition, Standard for Information
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Technology -- Portable Operating System Interface (POSIX), The Open
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Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the
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Institute of Electrical and Electronics Engineers, Inc and The Open
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Group. In the event of any discrepancy between this version and the
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original IEEE and The Open Group Standard, the original IEEE and The
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Open Group Standard is the referee document. The original Standard
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can be obtained online at <A HREF="http://www.opengroup.org/unix/online.html">http://www.opengroup.org/unix/online.html</A>
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.
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</P>
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<P>Modified by Ross Johnson for use with <A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</A>.</P>
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<HR>
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<P><A NAME="toc"></A><B>Table of Contents</B></P>
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<UL>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect0" NAME="toc0">Name</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect1" NAME="toc1">Synopsis</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect2" NAME="toc2">Description</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect3" NAME="toc3">Return
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Value</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect4" NAME="toc4">Errors</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect5" NAME="toc5">Examples</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect6" NAME="toc6">Application
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Usage</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect7" NAME="toc7">Rationale</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect8" NAME="toc8">Future
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Directions</A>
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</P>
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<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect9" NAME="toc9">See
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Also</A>
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</P>
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<LI><P><A HREF="#sect10" NAME="toc10">Copyright</A>
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</P>
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</UL>
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