Mercurial > sdl-ios-xcode
annotate docs/html/sdlcreatemutex.html @ 753:b14fdadd8311
Date: Thu, 4 Dec 2003 07:48:40 +0200
From: "Mike Gorchak"
Subject: SDL/QNX6 new patch
Here in attachment my patch for the SDL/QNX6 again :) It contain non-crtitical/cosmetic fixes:
1. Fixed window centering at other than the first consoles.
2. Fixed window centering algorithm in case when window height or width are greater than the desktop resolution.
3. Fixed window positioning on other than the first consoles.
4. Fixed occasional input focus lost when switching to fullscreen.
5. Removed the Photon's default chroma color for the overlays, added RGB(12, 6, 12) color instead (very dark pink).
6. Added more checks to the YUV overlay code (fixed crashes during resolution mode switches).
7. Added support for Enter/Backspace keys in unicode mode (used by Maelstrom and by other games).
8. Fixed window restore/maximize function. It works, finally.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 10 Dec 2003 12:35:56 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_CreateMutex</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| 0 | 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_KillThread" | |
| 17 HREF="sdlkillthread.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_DestroyMutex" | |
| 20 HREF="sdldestroymutex.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 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdlkillthread.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdldestroymutex.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLCREATEMUTEX" | |
| 71 >SDL_CreateMutex</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN7432" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_CreateMutex -- Create a mutex</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
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84 NAME="AEN7435" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
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91 NAME="AEN7436" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h" | |
| 98 #include "SDL_thread.h"</PRE | |
| 99 ><P | |
| 100 ><CODE | |
| 101 ><CODE | |
| 102 CLASS="FUNCDEF" | |
| 103 >SDL_mutex *<B | |
| 104 CLASS="FSFUNC" | |
| 105 >SDL_CreateMutex</B | |
| 106 ></CODE | |
| 107 >(void);</CODE | |
| 108 ></P | |
| 109 ><P | |
| 110 ></P | |
| 111 ></DIV | |
| 112 ></DIV | |
| 113 ><DIV | |
| 114 CLASS="REFSECT1" | |
| 115 ><A | |
|
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116 NAME="AEN7442" |
| 0 | 117 ></A |
| 118 ><H2 | |
| 119 >Description</H2 | |
| 120 ><P | |
| 121 >Create a new, unlocked mutex.</P | |
| 122 ></DIV | |
| 123 ><DIV | |
| 124 CLASS="REFSECT1" | |
| 125 ><A | |
|
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126 NAME="AEN7445" |
| 0 | 127 ></A |
| 128 ><H2 | |
| 129 >Examples</H2 | |
| 130 ><PRE | |
| 131 CLASS="PROGRAMLISTING" | |
| 132 >SDL_mutex *mut; | |
| 133 | |
| 134 mut=SDL_CreateMutex(); | |
| 135 . | |
| 136 . | |
| 137 if(SDL_mutexP(mut)==-1){ | |
| 138 fprintf(stderr, "Couldn't lock mutex\n"); | |
| 139 exit(-1); | |
| 140 } | |
| 141 . | |
| 142 /* Do stuff while mutex is locked */ | |
| 143 . | |
| 144 . | |
| 145 if(SDL_mutexV(mut)==-1){ | |
| 146 fprintf(stderr, "Couldn't unlock mutex\n"); | |
| 147 exit(-1); | |
| 148 } | |
| 149 | |
| 150 SDL_DestroyMutex(mut); </PRE | |
| 151 ></DIV | |
| 152 ><DIV | |
| 153 CLASS="REFSECT1" | |
| 154 ><A | |
|
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155 NAME="AEN7448" |
| 0 | 156 ></A |
| 157 ><H2 | |
| 158 >See Also</H2 | |
| 159 ><P | |
| 160 ><A | |
| 161 HREF="sdlmutexp.html" | |
| 162 ><TT | |
| 163 CLASS="FUNCTION" | |
| 164 >SDL_mutexP</TT | |
| 165 ></A | |
| 166 >, | |
| 167 <A | |
| 168 HREF="sdlmutexv.html" | |
| 169 ><TT | |
| 170 CLASS="FUNCTION" | |
| 171 >SDL_mutexV</TT | |
| 172 ></A | |
| 173 >, | |
| 174 <A | |
| 175 HREF="sdldestroymutex.html" | |
| 176 ><TT | |
| 177 CLASS="FUNCTION" | |
| 178 >SDL_DestroyMutex</TT | |
| 179 ></A | |
| 180 ></P | |
| 181 ></DIV | |
| 182 ><DIV | |
| 183 CLASS="NAVFOOTER" | |
| 184 ><HR | |
| 185 ALIGN="LEFT" | |
| 186 WIDTH="100%"><TABLE | |
| 187 WIDTH="100%" | |
| 188 BORDER="0" | |
| 189 CELLPADDING="0" | |
| 190 CELLSPACING="0" | |
| 191 ><TR | |
| 192 ><TD | |
| 193 WIDTH="33%" | |
| 194 ALIGN="left" | |
| 195 VALIGN="top" | |
| 196 ><A | |
| 197 HREF="sdlkillthread.html" | |
| 198 >Prev</A | |
| 199 ></TD | |
| 200 ><TD | |
| 201 WIDTH="34%" | |
| 202 ALIGN="center" | |
| 203 VALIGN="top" | |
| 204 ><A | |
| 205 HREF="index.html" | |
| 206 >Home</A | |
| 207 ></TD | |
| 208 ><TD | |
| 209 WIDTH="33%" | |
| 210 ALIGN="right" | |
| 211 VALIGN="top" | |
| 212 ><A | |
| 213 HREF="sdldestroymutex.html" | |
| 214 >Next</A | |
| 215 ></TD | |
| 216 ></TR | |
| 217 ><TR | |
| 218 ><TD | |
| 219 WIDTH="33%" | |
| 220 ALIGN="left" | |
| 221 VALIGN="top" | |
| 222 >SDL_KillThread</TD | |
| 223 ><TD | |
| 224 WIDTH="34%" | |
| 225 ALIGN="center" | |
| 226 VALIGN="top" | |
| 227 ><A | |
| 228 HREF="thread.html" | |
| 229 >Up</A | |
| 230 ></TD | |
| 231 ><TD | |
| 232 WIDTH="33%" | |
| 233 ALIGN="right" | |
| 234 VALIGN="top" | |
| 235 >SDL_DestroyMutex</TD | |
| 236 ></TR | |
| 237 ></TABLE | |
| 238 ></DIV | |
| 239 ></BODY | |
| 240 ></HTML | |
| 241 > |