+++ /dev/null
-.TH "SDL_SemWait" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference"
-.SH "NAME"
-SDL_SemWait \- Lock a semaphore and suspend the thread if the semaphore value is zero\&.
-.SH "SYNOPSIS"
-.PP
-\fB#include "SDL\&.h"
-#include "SDL_thread\&.h"
-.sp
-\fBint \fBSDL_SemWait\fP\fR(\fBSDL_sem *sem\fR);
-.SH "DESCRIPTION"
-.PP
-\fBSDL_SemWait()\fP suspends the calling thread until either the semaphore pointed to by \fBsem\fR has a positive value, the call is interrupted by a signal or error\&. If the call is successful it will atomically decrement the semaphore value\&.
-.PP
-After \fBSDL_SemWait()\fP is successful, the semaphore can be released and its count atomically incremented by a successful call to \fISDL_SemPost\fR\&.
-.SH "RETURN VALUE"
-.PP
-Returns \fB0\fR if successful or \fB-1\fR if there was an error (leaving the semaphore unchanged)\&.
-.SH "EXAMPLES"
-.PP
-.PP
-.nf
-\f(CWif (SDL_SemWait(my_sem) == -1) {
- return WAIT_FAILED;
-}
-
-\&.\&.\&.
-
-SDL_SemPost(my_sem);\fR
-.fi
-.PP
-.SH "SEE ALSO"
-.PP
-\fI\fBSDL_CreateSemaphore\fP\fR, \fI\fBSDL_DestroySemaphore\fP\fR, \fI\fBSDL_SemTryWait\fP\fR, \fI\fBSDL_SemWaitTimeout\fP\fR, \fI\fBSDL_SemPost\fP\fR, \fI\fBSDL_SemValue\fP\fR
-.\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00