1 <HTML 2 ><HEAD 3 ><TITLE 4 >SDL_LockAudio</TITLE 5 ><META 6 NAME="GENERATOR" 7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ 8 "><LINK 9 REL="HOME" 10 TITLE="SDL Library Documentation" 11 HREF="index.html"><LINK 12 REL="UP" 13 TITLE="Audio" 14 HREF="audio.html"><LINK 15 REL="PREVIOUS" 16 TITLE="SDL_MixAudio" 17 HREF="sdlmixaudio.html"><LINK 18 REL="NEXT" 19 TITLE="SDL_UnlockAudio" 20 HREF="sdlunlockaudio.html"></HEAD 21 ><BODY 22 CLASS="REFENTRY" 23 BGCOLOR="#FFF8DC" 24 TEXT="#000000" 25 LINK="#0000ee" 26 VLINK="#551a8b" 27 ALINK="#ff0000" 28 ><DIV 29 CLASS="NAVHEADER" 30 ><TABLE 31 SUMMARY="Header navigation table" 32 WIDTH="100%" 33 BORDER="0" 34 CELLPADDING="0" 35 CELLSPACING="0" 36 ><TR 37 ><TH 38 COLSPAN="3" 39 ALIGN="center" 40 >SDL Library Documentation</TH 41 ></TR 42 ><TR 43 ><TD 44 WIDTH="10%" 45 ALIGN="left" 46 VALIGN="bottom" 47 ><A 48 HREF="sdlmixaudio.html" 49 ACCESSKEY="P" 50 >Prev</A 51 ></TD 52 ><TD 53 WIDTH="80%" 54 ALIGN="center" 55 VALIGN="bottom" 56 ></TD 57 ><TD 58 WIDTH="10%" 59 ALIGN="right" 60 VALIGN="bottom" 61 ><A 62 HREF="sdlunlockaudio.html" 63 ACCESSKEY="N" 64 >Next</A 65 ></TD 66 ></TR 67 ></TABLE 68 ><HR 69 ALIGN="LEFT" 70 WIDTH="100%"></DIV 71 ><H1 72 ><A 73 NAME="SDLLOCKAUDIO" 74 ></A 75 >SDL_LockAudio</H1 76 ><DIV 77 CLASS="REFNAMEDIV" 78 ><A 79 NAME="AEN7134" 80 ></A 81 ><H2 82 >Name</H2 83 >SDL_LockAudio -- Lock out the callback function</DIV 84 ><DIV 85 CLASS="REFSYNOPSISDIV" 86 ><A 87 NAME="AEN7137" 88 ></A 89 ><H2 90 >Synopsis</H2 91 ><DIV 92 CLASS="FUNCSYNOPSIS" 93 ><A 94 NAME="AEN7138" 95 ></A 96 ><P 97 ></P 98 ><PRE 99 CLASS="FUNCSYNOPSISINFO" 100 >#include "SDL.h"</PRE 101 ><P 102 ><CODE 103 ><CODE 104 CLASS="FUNCDEF" 105 >void <B 106 CLASS="FSFUNC" 107 >SDL_LockAudio</B 108 ></CODE 109 >(void);</CODE 110 ></P 111 ><P 112 ></P 113 ></DIV 114 ></DIV 115 ><DIV 116 CLASS="REFSECT1" 117 ><A 118 NAME="AEN7144" 119 ></A 120 ><H2 121 >Description</H2 122 ><P 123 >The lock manipulated by these functions protects the callback function. 124 During a LockAudio period, you can be guaranteed that the 125 callback function is not running. Do not call these from the callback 126 function or you will cause deadlock.</P 127 ></DIV 128 ><DIV 129 CLASS="REFSECT1" 130 ><A 131 NAME="AEN7147" 132 ></A 133 ><H2 134 >See Also</H2 135 ><P 136 ><A 137 HREF="sdlopenaudio.html" 138 ><TT 139 CLASS="FUNCTION" 140 >SDL_OpenAudio</TT 141 ></A 142 ></P 143 ></DIV 144 ><DIV 145 CLASS="NAVFOOTER" 146 ><HR 147 ALIGN="LEFT" 148 WIDTH="100%"><TABLE 149 SUMMARY="Footer navigation table" 150 WIDTH="100%" 151 BORDER="0" 152 CELLPADDING="0" 153 CELLSPACING="0" 154 ><TR 155 ><TD 156 WIDTH="33%" 157 ALIGN="left" 158 VALIGN="top" 159 ><A 160 HREF="sdlmixaudio.html" 161 ACCESSKEY="P" 162 >Prev</A 163 ></TD 164 ><TD 165 WIDTH="34%" 166 ALIGN="center" 167 VALIGN="top" 168 ><A 169 HREF="index.html" 170 ACCESSKEY="H" 171 >Home</A 172 ></TD 173 ><TD 174 WIDTH="33%" 175 ALIGN="right" 176 VALIGN="top" 177 ><A 178 HREF="sdlunlockaudio.html" 179 ACCESSKEY="N" 180 >Next</A 181 ></TD 182 ></TR 183 ><TR 184 ><TD 185 WIDTH="33%" 186 ALIGN="left" 187 VALIGN="top" 188 >SDL_MixAudio</TD 189 ><TD 190 WIDTH="34%" 191 ALIGN="center" 192 VALIGN="top" 193 ><A 194 HREF="audio.html" 195 ACCESSKEY="U" 196 >Up</A 197 ></TD 198 ><TD 199 WIDTH="33%" 200 ALIGN="right" 201 VALIGN="top" 202 >SDL_UnlockAudio</TD 203 ></TR 204 ></TABLE 205 ></DIV 206 ></BODY 207 ></HTML 208 >
