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annotate src/thread/epoc/SDL_sysmutex.cpp @ 1438:1f4f09641645

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Date: Sun, 26 Feb 2006 11:25:09 +0900 From: Hayashi Naoyuki Subject: Re: [SDL] CVS stable again, please update SDL ports Some problems are caused on Tru64 UNIX. If applying SDL12-osf1.path, these problems are fixed. 1. configure-script say "recursive mutexes... no" and "pthread semaphores... no". checking for pthreads... yes checking for recursive mutexes... no checking for pthread semaphores... no This is because it compiled without pthread_cflags and pthread_lib when checking recursive mutexes and pthread semaphores. 2. Compiling src/audio/mme/SDL_mmeaudio.c fails. cc: Severe: ./src/audio/mme/SDL_mmeaudio.c, line 25: Cannot find file <mme_api.h> specified in #include directive. (noinclfilef) #include <mme_api.h> -^ This is because BUILD_CFLAGS is wrong. 3. Compiling src/cdrom/osf/SDL_syscdrom.c fails. cc: Warning: ./src/cdrom/osf/SDL_syscdrom.c, line 176: Too few actual parameters in the invocation of the macro "SDL_stack_alloc". (toofewactuals) cdpath = SDL_stack_alloc(len); ------------------------------------^ cc: Error: ./src/cdrom/osf/SDL_syscdrom.c, line 176: Invalid expression. (badexpr) cdpath = SDL_stack_alloc(len); -----------------^ SDL_stack_alloc is defined in include/SDL_stdinc.h. #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*count) 4. Linking fails if running configure with --enable-x11-shared=yes. /usr/ccs/bin/ld: Warning: Unresolved: p_XData32 5. Compiling src/video/x11/SDL_x11dyn.c fails if running configure with --enable-x11-shared=no. cc: Error: ./src/video/x11/SDL_x11sym.h, line 149: In this statement, "_SmtBufferOverflow" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtBufferOverflow,(Display *dpy,register smtDisplayPtr)) ^ cc: Error: ./src/video/x11/SDL_x11sym.h, line 150: In this statement, "_SmtBufferOverflow" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtBufferOverflow,(Display *dpy,register smtDisplayPtr)) ^ cc: Error: ./src/video/x11/SDL_x11sym.h, line 150: In this statement, "_SmtIpError" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtIpError,(Display *dpy,register smtDisplayPtr, int)) ^
author Sam Lantinga <slouken@libsdl.org>
date Sun, 26 Feb 2006 04:54:01 +0000
parents 604d73db6802
children 92947e3a18db
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /*
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24 SDL_sysmutex.cpp
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25
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26 Epoc version by Markus Mertama (w@iki.fi)
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27 */
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28
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29
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30 /* Mutex functions using the Win32 API */
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31
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32 #include<e32std.h>
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33
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34 #include "SDL_error.h"
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35 #include "SDL_mutex.h"
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36
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37
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38
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39 struct SDL_mutex
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40 {
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41 TInt handle;
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42 };
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43
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44 extern TInt CreateUnique(TInt (*aFunc)(const TDesC& aName, TAny*, TAny*), TAny*, TAny*);
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45
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46 TInt NewMutex(const TDesC& aName, TAny* aPtr1, TAny*)
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47 {
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48 return ((RMutex*)aPtr1)->CreateGlobal(aName);
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49 }
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50
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51 /* Create a mutex */
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52 SDL_mutex *SDL_CreateMutex(void)
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53 {
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54 RMutex rmutex;
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55
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56 TInt status = CreateUnique(NewMutex, &rmutex, NULL);
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57 if(status != KErrNone)
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58 {
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59 SDL_SetError("Couldn't create mutex");
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60 }
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61 SDL_mutex* mutex = new /*(ELeave)*/ SDL_mutex;
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62 mutex->handle = rmutex.Handle();
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63 return(mutex);
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64 }
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65
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66 /* Free the mutex */
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67 void SDL_DestroyMutex(SDL_mutex *mutex)
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68 {
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69 if ( mutex )
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70 {
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71 RMutex rmutex;
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72 rmutex.SetHandle(mutex->handle);
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73 rmutex.Signal();
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74 rmutex.Close();
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75 delete(mutex);
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76 mutex = NULL;
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77 }
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78 }
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79
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80 /* Lock the mutex */
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81 int SDL_mutexP(SDL_mutex *mutex)
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82 {
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83 if ( mutex == NULL ) {
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84 SDL_SetError("Passed a NULL mutex");
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85 return -1;
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86 }
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87 RMutex rmutex;
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88 rmutex.SetHandle(mutex->handle);
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89 rmutex.Wait();
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90 return(0);
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91 }
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92
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93 /* Unlock the mutex */
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94 int SDL_mutexV(SDL_mutex *mutex)
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95 {
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96 if ( mutex == NULL ) {
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97 SDL_SetError("Passed a NULL mutex");
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98 return -1;
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99 }
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100 RMutex rmutex;
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101 rmutex.SetHandle(mutex->handle);
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102 rmutex.Signal();
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103 return(0);
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104 }