Mercurial > sdl-ios-xcode
view docs/man3/SDL_SemValue.3 @ 881:9eb85a211abd
Date: Tue, 30 Mar 2004 18:18:13 -0600
From: Tyler Montbriand
Subject: [SDL] Detecting Opteron CPU features
I can now get SDL_cpuinfo.c to detect the AMD Opteron's RDTSC, MMX, MMXEXT,
3DNOW, 3DNOWEXT, SSE, and SSE2 instruction set extensions under Linux. It
took one #ifdef'ed block of new asm code to account for the 64-bit flags
register, but the other two blocks worked fine without modification, just
needed to modify the #ifdef's a bit.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 11 Apr 2004 19:49:34 +0000 |
| parents | e5bc29de3f0a |
| children | 546f7c1eb755 |
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.TH "SDL_SemValue" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference" .SH "NAME" SDL_SemValue\- Return the current value of a semaphore\&. .SH "SYNOPSIS" .PP \fB#include "SDL\&.h" #include "SDL/SDL_thread\&.h" .sp \fBUint32 \fBSDL_SemValue\fP\fR(\fBSDL_sem *sem\fR); .SH "DESCRIPTION" .PP \fBSDL_SemValue()\fP returns the current semaphore value from the semaphore pointed to by \fBsem\fR\&. .SH "RETURN VALUE" .PP Returns current value of the semaphore\&. .SH "EXAMPLES" .PP .PP .nf \f(CW sem_value = SDL_SemValue(my_sem);\fR .fi .PP .SH "SEE ALSO" .PP \fI\fBSDL_CreateSemaphore\fP\fR, \fI\fBSDL_DestroySemaphore\fP\fR, \fI\fBSDL_SemWait\fP\fR, \fI\fBSDL_SemTryWait\fP\fR, \fI\fBSDL_SemWaitTimeout\fP\fR, \fI\fBSDL_SemPost\fP\fR ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00