Mercurial > sdl-ios-xcode
view docs/man3/SDL_mutexP.3 @ 4352:c8bf421431f9 SDL-1.2
Fixed bug #853
Ludwig Nussel 2009-10-18 05:34:18 PDT
src/joystick/linux/SDL_sysjoystick.c has some problems:
- test_bit() might break with strict aliasing
- test_bit() assumes array is Uint32 but its actually "unsigned long"
on 64bit systems sizeof(long) != sizeof(Uint32).
- the keybit array is too small
- the arrays are unitialized so the number of
detected buttons is quite random
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 18 Oct 2009 16:14:57 +0000 |
| parents | 1238da4a7112 |
| children |
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.TH "SDL_mutexP" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" .SH "NAME" SDL_mutexP \- Lock a mutex .SH "SYNOPSIS" .PP \fB#include "SDL\&.h" #include "SDL_thread\&.h" .sp \fBint \fBSDL_mutexP\fP\fR(\fBSDL_mutex *mutex\fR); .SH "DESCRIPTION" .PP Locks the \fBmutex\fR, which was previously created with \fI\fBSDL_CreateMutex\fP\fR\&. If the mutex is already locked then \fBSDL_mutexP\fP will not return until it is \fIunlocked\fR\&. Returns \fB0\fR on success, or \fB-1\fR on an error\&. .PP SDL also defines a macro \fB#define SDL_LockMutex(m) SDL_mutexP(m)\fP\&. .SH "SEE ALSO" .PP \fI\fBSDL_CreateMutex\fP\fR, \fI\fBSDL_mutexV\fP\fR .\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01