Mercurial > sdl-ios-xcode
view docs/html/sdlwaitevent.html @ 102:9162d62280b5
Don't crash if freeing a hardware surface after the video mode has been
reset. Fortunately we keep track of the video memory internally.
author | Sam Lantinga <slouken@lokigames.com> |
---|---|
date | Thu, 12 Jul 2001 23:34:44 +0000 |
parents | 55f1f1b3e27d |
children | e5bc29de3f0a |
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<HTML ><HEAD ><TITLE >SDL_WaitEvent</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.64 "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="Event Functions." HREF="eventfunctions.html"><LINK REL="PREVIOUS" TITLE="SDL_PollEvent" HREF="sdlpollevent.html"><LINK REL="NEXT" TITLE="SDL_PushEvent" HREF="sdlpushevent.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="sdlpollevent.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlpushevent.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLWAITEVENT" >SDL_WaitEvent</A ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN4964" ></A ><H2 >Name</H2 >SDL_WaitEvent -- Waits indefinitely for the next available event.</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN4967" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN4968" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >int <B CLASS="FSFUNC" >SDL_WaitEvent</B ></CODE >(SDL_Event *event);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4974" ></A ><H2 >Description</H2 ><P >Waits indefinitely for the next available event, returning <SPAN CLASS="RETURNVALUE" >1</SPAN >, or <SPAN CLASS="RETURNVALUE" >0</SPAN > if there was an error while waiting for events. </P ><P >If <TT CLASS="PARAMETER" ><I >event</I ></TT > is not <TT CLASS="LITERAL" >NULL</TT >, the next event is removed from the queue and stored in that area.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4982" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_Event</SPAN ></A >, <A HREF="sdlpollevent.html" ><TT CLASS="FUNCTION" >SDL_PollEvent</TT ></A ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlpollevent.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlpushevent.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_PollEvent</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="eventfunctions.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_PushEvent</TD ></TR ></TABLE ></DIV ></BODY ></HTML >