Mercurial > sdl-ios-xcode
annotate docs/man3/SDL_SemPost.3 @ 19:8cc4dbfab9ab
Date: Thu, 19 Apr 2001 08:36:54 +0300
From: "Mike Gorchak" <mike@malva.com.ua>
Subject: Patches for QNX RtP
Here my patch for QNX RtP/Photon for SDL-1.2.
Detailed description of my changes:
SDL/configure.in:
If Photon detected declare define ENABLE_PHOTON.
SDL/src/video/SDL_sysvideo.h:
Added extern to ph_bootstrap.
SDL/src/video/SDL_video.c:
Added ph_bootstrap to bootstrap array.
SDL/src/video/photon/SDL_ph_events.c:
Declare DISABLE_X11 if compiled for Photon.
SDL/src/video/photon/SDL_ph_image.c:
Fixed segment violation on exit. Please update BUGS file.
SDL/src/video/photon/SDL_ph_video.c:
1. Enabling window manager.
2. Added to device capabilities Photon Window Manager functions:
SetCaption and IconifyWindow.
3. Renamed X11_bootstrap to ph_bootstrap.
4. Removed SEGFAULT termination of programs if Photon not available.
SDL/src/video/photon/SDL_ph_wm.c:
1. Declare DISABLE_X11 if compiled for Photon.
2. Added ph_SetCaption and ph_IconifyWindow code. (Thanks to
'phearbear' for iconify window source).
3. Some stubers for other wm functions.
Thanks !
----------------------------
Mike Gorchak
CJSC Malva
System Programmer
author | Sam Lantinga <slouken@lokigames.com> |
---|---|
date | Thu, 10 May 2001 18:42:17 +0000 |
parents | 74212992fb08 |
children | 55f1f1b3e27d |
rev | line source |
---|---|
0 | 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 |