Mercurial > sdl-ios-xcode

annotate src/thread/epoc/SDL_sysmutex.cpp @ 1077:f122afdfa025

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
The Darwin/MacOSX joystick code is largely copied from the HID Utilities package...make the symbols defined by HID Utilities static inside SDL so that an app can link against their own copy of this package without symbol clash.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 15 Jun 2005 23:41:57 +0000
parents e8157fcb3114
children c9b51268668f
rev   line source
173
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 Copyright (C) 1997, 1998, 1999, 2000 Sam Lantinga
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6 modify it under the terms of the GNU Library General Public
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8 version 2 of the License, or (at your option) any later version.
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
13 Library General Public License for more details.
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
15 You should have received a copy of the GNU Library General Public
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
16 License along with this library; if not, write to the Free
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 173
diff changeset
20 slouken@libsdl.org
173
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21 */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
22
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23 /*
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24 SDL_sysmutex.cpp
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
26 Epoc version by Markus Mertama (w@iki.fi)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
27 */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
28
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30 #ifdef SAVE_RCSID
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
31 static char rcsid =
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32 "@(#) $Id$";
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33 #endif
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35 /* Mutex functions using the Win32 API */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
36
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
37 //#include <stdio.h>
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
38 //#include <stdlib.h>
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
39
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
40 #include<e32std.h>
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
41
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
42 #include "SDL_error.h"
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
43 #include "SDL_mutex.h"
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
44
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
45
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
46
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
47 struct SDL_mutex
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
48 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
49 TInt handle;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
50 };
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
51
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
52 extern TInt CreateUnique(TInt (*aFunc)(const TDesC& aName, TAny*, TAny*), TAny*, TAny*);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
53
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
54 TInt NewMutex(const TDesC& aName, TAny* aPtr1, TAny*)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
55 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
56 return ((RMutex*)aPtr1)->CreateGlobal(aName);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
57 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
58
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
59 /* Create a mutex */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
60 SDL_mutex *SDL_CreateMutex(void)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
61 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
62 RMutex rmutex;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
63
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
64 TInt status = CreateUnique(NewMutex, &rmutex, NULL);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65 if(status != KErrNone)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
66 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
67 SDL_SetError("Couldn't create mutex");
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
68 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
69 SDL_mutex* mutex = new /*(ELeave)*/ SDL_mutex;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
70 mutex->handle = rmutex.Handle();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
71 return(mutex);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
72 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
73
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
74 /* Free the mutex */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
75 void SDL_DestroyMutex(SDL_mutex *mutex)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
76 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
77 if ( mutex )
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
78 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
79 RMutex rmutex;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
80 rmutex.SetHandle(mutex->handle);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
81 rmutex.Signal();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
82 rmutex.Close();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
83 delete(mutex);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
84 mutex = NULL;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
85 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
86 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
87
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
88 /* Lock the mutex */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
89 int SDL_mutexP(SDL_mutex *mutex)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
90 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
91 if ( mutex == NULL ) {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
92 SDL_SetError("Passed a NULL mutex");
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
93 return -1;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
94 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
95 RMutex rmutex;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
96 rmutex.SetHandle(mutex->handle);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
97 rmutex.Wait();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
98 return(0);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
99 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
100
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
101 /* Unlock the mutex */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
102 int SDL_mutexV(SDL_mutex *mutex)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
103 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
104 if ( mutex == NULL ) {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
105 SDL_SetError("Passed a NULL mutex");
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
106 return -1;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
107 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
108 RMutex rmutex;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
109 rmutex.SetHandle(mutex->handle);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
110 rmutex.Signal();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
111 return(0);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
112 }