Mercurial > sdl-ios-xcode
annotate docs/man3/SDL_SemPost.3 @ 129:db0bee1c5845
Applied Maxim's patch for VGL detection on FreeBSD
| author | Sam Lantinga <slouken@libsdl.org> |
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| date | Tue, 31 Jul 2001 04:06:56 +0000 |
| parents | 55f1f1b3e27d |
| children | e5bc29de3f0a |
| rev | line source |
|---|---|
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55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1 .TH "SDL_SemPost" "3" "Sun 10 Jun 2001, 19:41" "SDL" "SDL API Reference" |
| 0 | 2 .SH "NAME" |
| 3 SDL_SemPost\- Unlock a semaphore\&. | |
| 4 .SH "SYNOPSIS" | |
| 5 .PP | |
| 6 \fB#include "SDL\&.h" | |
| 7 #include "SDL_thread\&.h" | |
| 8 .sp | |
| 9 \fBint \fBSDL_SemPost\fP\fR(\fBSDL_sem *sem\fR); | |
| 10 .SH "DESCRIPTION" | |
| 11 .PP | |
| 12 \fBSDL_SemPost\fP unlocks the semaphore pointed to by \fBsem\fR and atomically increments the semaphores value\&. Threads that were blocking on the semaphore may be scheduled after this call succeeds\&. | |
| 13 .PP | |
| 14 \fBSDL_SemPost\fP should be called after a semaphore is locked by a successful call to \fISDL_SemWait\fR, \fISDL_SemTryWait\fR or \fISDL_SemWaitTimeout\fR\&. | |
| 15 .SH "RETURN VALUE" | |
| 16 .PP | |
| 17 Returns \fB0\fR if successful or \fB-1\fR if there was an error (leaving the semaphore unchanged)\&. | |
| 18 .SH "EXAMPLES" | |
| 19 .PP | |
| 20 .PP | |
| 21 .nf | |
| 22 \f(CWSDL_SemPost(my_sem);\fR | |
| 23 .fi | |
| 24 .PP | |
| 25 .SH "SEE ALSO" | |
| 26 .PP | |
| 27 \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_SemValue\fP\fR | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
28 ...\" created by instant / docbook-to-man, Sun 10 Jun 2001, 19:41 |