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annotate docs/man3/SDL_CreateMutex.3 @ 4386:dcb26ac38e6b SDL-1.2

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Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0. I did it around each call to cpuid which isn't strictly necessary, but is definitely future proof. :)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 02 Dec 2009 16:24:21 +0000
parents 1238da4a7112
children
rev   line source
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e5bc29de3f0a Updated from the SDL Documentation Project
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1 .TH "SDL_CreateMutex" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_CreateMutex \- Create a mutex
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 #include "SDL_thread\&.h"
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8 .sp
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9 \fBSDL_mutex *\fBSDL_CreateMutex\fP\fR(\fBvoid\fR);
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10 .SH "DESCRIPTION"
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11 .PP
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12 Create a new, unlocked mutex\&.
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13 .SH "EXAMPLES"
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14 .PP
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15 .nf
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16 \f(CWSDL_mutex *mut;
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17
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18 mut=SDL_CreateMutex();
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19 \&.
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20 \&.
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21 if(SDL_mutexP(mut)==-1){
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22 fprintf(stderr, "Couldn\&'t lock mutex
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23 ");
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24 exit(-1);
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25 }
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26 \&.
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27 /* Do stuff while mutex is locked */
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28 \&.
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29 \&.
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30 if(SDL_mutexV(mut)==-1){
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31 fprintf(stderr, "Couldn\&'t unlock mutex
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32 ");
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33 exit(-1);
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34 }
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35
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36 SDL_DestroyMutex(mut);
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37 \fR
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38 .fi
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39 .PP
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40 .SH "SEE ALSO"
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41 .PP
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42 \fI\fBSDL_mutexP\fP\fR, \fI\fBSDL_mutexV\fP\fR, \fI\fBSDL_DestroyMutex\fP\fR
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43 .\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00