| | 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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