Mercurial > sdl-ios-xcode

annotate src/thread/epoc/SDL_sysmutex.cpp @ 1433:bb6839704ed6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
SDL_windows.h is no longer necessary
author Sam Lantinga <slouken@libsdl.org>
date Sat, 25 Feb 2006 22:18:25 +0000
parents 604d73db6802
children 92947e3a18db
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
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
3 Copyright (C) 1997-2006 Sam Lantinga
173
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
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
6 modify it under the terms of the GNU Lesser General Public
173
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
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
173
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
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
13 Lesser General Public License for more details.
173
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
173
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 /* Mutex functions using the Win32 API */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
31
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32 #include<e32std.h>
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34 #include "SDL_error.h"
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35 #include "SDL_mutex.h"
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
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
38
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
39 struct SDL_mutex
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
40 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
41 TInt handle;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
42 };
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
43
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
44 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
45
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
46 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
47 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
48 return ((RMutex*)aPtr1)->CreateGlobal(aName);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
49 }
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 /* Create a mutex */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
52 SDL_mutex *SDL_CreateMutex(void)
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 RMutex rmutex;
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 TInt status = CreateUnique(NewMutex, &rmutex, NULL);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
57 if(status != KErrNone)
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 SDL_SetError("Couldn't create mutex");
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
60 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
61 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
62 mutex->handle = rmutex.Handle();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
63 return(mutex);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
64 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
66 /* Free the mutex */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
67 void SDL_DestroyMutex(SDL_mutex *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 if ( mutex )
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
70 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
71 RMutex rmutex;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
72 rmutex.SetHandle(mutex->handle);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
73 rmutex.Signal();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
74 rmutex.Close();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
75 delete(mutex);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
76 mutex = NULL;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
77 }
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
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
80 /* Lock the mutex */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
81 int SDL_mutexP(SDL_mutex *mutex)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
82 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
83 if ( mutex == NULL ) {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
84 SDL_SetError("Passed a NULL mutex");
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
85 return -1;
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 RMutex rmutex;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
88 rmutex.SetHandle(mutex->handle);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
89 rmutex.Wait();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
90 return(0);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
91 }
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
92
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
93 /* Unlock the mutex */
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
94 int SDL_mutexV(SDL_mutex *mutex)
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
95 {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
96 if ( mutex == NULL ) {
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
97 SDL_SetError("Passed a NULL mutex");
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
98 return -1;
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 RMutex rmutex;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
101 rmutex.SetHandle(mutex->handle);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
102 rmutex.Signal();
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
103 return(0);
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
104 }