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authorrpj <rpj>2005-05-05 14:18:27 +0000
committerrpj <rpj>2005-05-05 14:18:27 +0000
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+<!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_WIN32_TEST_FEATURES_NP manual page</TITLE>
+ <META NAME="GENERATOR" CONTENT="OpenOffice.org 1.1.3 (Linux)">
+ <META NAME="CREATED" CONTENT="20050505;322600">
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+<BODY LANG="en-GB" BGCOLOR="#ffffff" DIR="LTR">
+<P><A HREF="#toc">Table of Contents</A></P>
+<H2><A HREF="#toc0" NAME="sect0">Name</A></H2>
+<P STYLE="font-weight: medium">pthread_win32_test_features_np –
+find out what features were detected at process attach time.</P>
+<H2><A HREF="#toc1" NAME="sect1">Synopsis</A></H2>
+<P><B>#include &lt;pthread.h&gt;</B>
+</P>
+<P><B>BOOL pthread_win32_test_features_np(int</B> <I>mask</I><B>);</B></P>
+<H2><A HREF="#toc2" NAME="sect2">Description</A></H2>
+<P><B>pthread_win32_test_features_np</B> allows an application to
+check which run-time auto-detected features are available within the
+library.</P>
+<P>The possible features are:</P>
+<P><B>PTW32_SYSTEM_INTERLOCKED_COMPARE_EXCHANGE</B></P>
+<P STYLE="margin-left: 2cm">Return TRUE if the Win32 version of
+InterlockedCompareExchange() is being used. On IA32 systems the
+library can use optimised and inlinable assembler versions of
+InterlockedExchange() and InterlockedCompareExchange().</P>
+<P><B>PTW32_ALERTABLE_ASYNC_CANCEL</B></P>
+<P STYLE="margin-left: 2cm">Return TRUE if the QueueUserAPCEx package
+QUSEREX.DLL and the AlertDrv.sys driver was detected. This package
+provides alertable (pre-emptive) asynchronous threads cancellation.
+If this feature returns FALSE then the default async cancel scheme
+is in use, which cannot cancel blocked threads.</P>
+<P>Features may be OR'ed into the mask parameter, in which case the
+routine returns TRUE if any of the OR'ed features would
+return TRUE. At this stage it doesn't make sense to OR features but
+it may some day.</P>
+<H2><A HREF="#toc3" NAME="sect3">Cancellation</A></H2>
+<P>None.</P>
+<H2><A HREF="#toc4" NAME="sect4"><FONT COLOR="#000080">Return Value</FONT></A></H2>
+<P><B>pthread_win32_test_features_np</B> returns TRUE (non-zero) if
+any of the specified features is present, and FALSE (0) otherwise.</P>
+<H2><A HREF="#toc5" NAME="sect5">Errors</A></H2>
+<P>None.</P>
+<H2><A HREF="#toc6" NAME="sect6">Author</A></H2>
+<P>Ross Johnson for use with <A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</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><A HREF="#sect6" NAME="toc6">Author</A>
+ </P>
+</UL>
+</BODY>
+</HTML> \ No newline at end of file