Mercurial > sdl-ios-xcode

comparison docs/man3/SDL_SemPost.3 @ 0:74212992fb08

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children 55f1f1b3e27d
comparison
equal deleted inserted replaced
-1:000000000000 0:74212992fb08
1 .TH "SDL_SemPost" "3" "Mon 12 Mar 2001, 01:04" "SDL" "SDL API Reference"
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
28 ...\" created by instant / docbook-to-man, Mon 12 Mar 2001, 01:04