| e14743d1 |
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 | > |
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