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Apparently MacOS X will sometimes pass command line arguments to a Cocoa app as an openFile() message, so we have to make sure we were launched from the Finder before accepting these as drag'n'drop documents, or they will just duplicate what's already in argc/argv.
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 22 Aug 2005 14:18:15 +0000
parents 355632dca928
children
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<HTML
><HEAD
><TITLE
>SDL_LockAudio</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="SDL Library Documentation"
HREF="index.html"><LINK
REL="UP"
TITLE="Audio"
HREF="audio.html"><LINK
REL="PREVIOUS"
TITLE="SDL_MixAudio"
HREF="sdlmixaudio.html"><LINK
REL="NEXT"
TITLE="SDL_UnlockAudio"
HREF="sdlunlockaudio.html"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>SDL Library Documentation</TH
></TR
><TR
><TD
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>Prev</A
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ACCESSKEY="N"
>Next</A
></TD
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><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="SDLLOCKAUDIO"
></A
>SDL_LockAudio</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN7134"
></A
><H2
>Name</H2
>SDL_LockAudio&nbsp;--&nbsp;Lock out the callback function</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN7137"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN7138"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void <B
CLASS="FSFUNC"
>SDL_LockAudio</B
></CODE
>(void);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7144"
></A
><H2
>Description</H2
><P
>The lock manipulated by these functions protects the callback function.
During a LockAudio period, you can be guaranteed that the
callback function is not running.  Do not call these from the callback
function or you will cause deadlock.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7147"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlopenaudio.html"
><TT
CLASS="FUNCTION"
>SDL_OpenAudio</TT
></A
></P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
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><TR
><TD
WIDTH="33%"
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VALIGN="top"
><A
HREF="sdlmixaudio.html"
ACCESSKEY="P"
>Prev</A
></TD
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><A
HREF="index.html"
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>Home</A
></TD
><TD
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><A
HREF="sdlunlockaudio.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
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>SDL_MixAudio</TD
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>Up</A
></TD
><TD
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>SDL_UnlockAudio</TD
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></HTML
>