1 <HTML 2 ><HEAD 3 ><TITLE 4 >SDL_mutexV</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="Multi-threaded Programming" 14 HREF="thread.html"><LINK 15 REL="PREVIOUS" 16 TITLE="SDL_mutexP" 17 HREF="sdlmutexp.html"><LINK 18 REL="NEXT" 19 TITLE="SDL_CreateSemaphore" 20 HREF="sdlcreatesemaphore.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="sdlmutexp.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="sdlcreatesemaphore.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="SDLMUTEXV" 74 ></A 75 >SDL_mutexV</H1 76 ><DIV 77 CLASS="REFNAMEDIV" 78 ><A 79 NAME="AEN7905" 80 ></A 81 ><H2 82 >Name</H2 83 >SDL_mutexV -- Unlock a mutex</DIV 84 ><DIV 85 CLASS="REFSYNOPSISDIV" 86 ><A 87 NAME="AEN7908" 88 ></A 89 ><H2 90 >Synopsis</H2 91 ><DIV 92 CLASS="FUNCSYNOPSIS" 93 ><A 94 NAME="AEN7909" 95 ></A 96 ><P 97 ></P 98 ><PRE 99 CLASS="FUNCSYNOPSISINFO" 100 >#include "SDL.h" 101 #include "SDL_thread.h"</PRE 102 ><P 103 ><CODE 104 ><CODE 105 CLASS="FUNCDEF" 106 >int <B 107 CLASS="FSFUNC" 108 >SDL_mutexV</B 109 ></CODE 110 >(SDL_mutex *mutex);</CODE 111 ></P 112 ><P 113 ></P 114 ></DIV 115 ></DIV 116 ><DIV 117 CLASS="REFSECT1" 118 ><A 119 NAME="AEN7915" 120 ></A 121 ><H2 122 >Description</H2 123 ><P 124 >Unlocks the <TT 125 CLASS="PARAMETER" 126 ><I 127 >mutex</I 128 ></TT 129 >, which was previously created with <A 130 HREF="sdlcreatemutex.html" 131 ><TT 132 CLASS="FUNCTION" 133 >SDL_CreateMutex</TT 134 ></A 135 >. Returns <SPAN 136 CLASS="RETURNVALUE" 137 >0</SPAN 138 > on success, or <SPAN 139 CLASS="RETURNVALUE" 140 >-1</SPAN 141 > on an error.</P 142 ><P 143 >SDL also defines a macro <TT 144 CLASS="LITERAL" 145 >#define SDL_UnlockMutex(m) SDL_mutexV(m)</TT 146 >.</P 147 ></DIV 148 ><DIV 149 CLASS="REFSECT1" 150 ><A 151 NAME="AEN7925" 152 ></A 153 ><H2 154 >See Also</H2 155 ><P 156 ><A 157 HREF="sdlcreatemutex.html" 158 ><TT 159 CLASS="FUNCTION" 160 >SDL_CreateMutex</TT 161 ></A 162 >, 163 <A 164 HREF="sdlmutexp.html" 165 ><TT 166 CLASS="FUNCTION" 167 >SDL_mutexP</TT 168 ></A 169 ></P 170 ></DIV 171 ><DIV 172 CLASS="NAVFOOTER" 173 ><HR 174 ALIGN="LEFT" 175 WIDTH="100%"><TABLE 176 SUMMARY="Footer navigation table" 177 WIDTH="100%" 178 BORDER="0" 179 CELLPADDING="0" 180 CELLSPACING="0" 181 ><TR 182 ><TD 183 WIDTH="33%" 184 ALIGN="left" 185 VALIGN="top" 186 ><A 187 HREF="sdlmutexp.html" 188 ACCESSKEY="P" 189 >Prev</A 190 ></TD 191 ><TD 192 WIDTH="34%" 193 ALIGN="center" 194 VALIGN="top" 195 ><A 196 HREF="index.html" 197 ACCESSKEY="H" 198 >Home</A 199 ></TD 200 ><TD 201 WIDTH="33%" 202 ALIGN="right" 203 VALIGN="top" 204 ><A 205 HREF="sdlcreatesemaphore.html" 206 ACCESSKEY="N" 207 >Next</A 208 ></TD 209 ></TR 210 ><TR 211 ><TD 212 WIDTH="33%" 213 ALIGN="left" 214 VALIGN="top" 215 >SDL_mutexP</TD 216 ><TD 217 WIDTH="34%" 218 ALIGN="center" 219 VALIGN="top" 220 ><A 221 HREF="thread.html" 222 ACCESSKEY="U" 223 >Up</A 224 ></TD 225 ><TD 226 WIDTH="33%" 227 ALIGN="right" 228 VALIGN="top" 229 >SDL_CreateSemaphore</TD 230 ></TR 231 ></TABLE 232 ></DIV 233 ></BODY 234 ></HTML 235 >
