Mercurial > sdl-ios-xcode
annotate src/thread/amigaos/SDL_systhread.c @ 255:dcb5e869f8b5
Updated Amiga port by Gabriele Greco
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 16 Dec 2001 20:00:27 +0000 |
| parents | e8157fcb3114 |
| children | f6ffac90895c |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
|
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28 /* BeOS thread management routines for SDL */ |
| 0 | 29 |
| 30 #include "SDL_error.h" | |
| 31 #include "SDL_mutex.h" | |
| 32 #include "SDL_thread.h" | |
| 33 #include "SDL_thread_c.h" | |
| 34 #include "SDL_systhread.h" | |
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35 #include "mydebug.h" |
| 0 | 36 |
| 37 typedef struct { | |
| 38 int (*func)(void *); | |
| 39 void *data; | |
| 40 SDL_Thread *info; | |
| 41 struct Task *wait; | |
| 42 } thread_args; | |
| 43 | |
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44 #ifndef MORPHOS |
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45 |
| 0 | 46 #if defined(__SASC) && !defined(__PPC__) |
| 47 __saveds __asm Uint32 RunThread(register __a0 char *args ) | |
| 48 #elif defined(__PPC__) | |
| 49 Uint32 RunThread(char *args) | |
| 50 #else | |
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51 Uint32 __saveds RunThread(char *args __asm("a0") ) |
| 0 | 52 #endif |
| 53 { | |
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54 #ifdef STORMC4_WOS |
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55 thread_args *data=(thread_args *)args; |
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56 #else |
| 0 | 57 thread_args *data=(thread_args *)atol(args); |
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58 #endif |
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59 |
| 0 | 60 struct Task *Father; |
| 61 | |
| 62 D(bug("Received data: %lx\n",data)); | |
| 63 Father=data->wait; | |
| 64 | |
| 65 SDL_RunThread(data); | |
| 66 | |
| 67 Signal(Father,SIGBREAKF_CTRL_F); | |
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68 D(bug("Thread with data %lx ended\n",data)); |
| 0 | 69 return(0); |
| 70 } | |
| 71 | |
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72 #else |
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73 |
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74 #include <emul/emulinterface.h> |
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75 |
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76 Uint32 RunTheThread(void) |
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77 { |
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78 thread_args *data=(thread_args *)atol((char *)REG_A0); |
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79 struct Task *Father; |
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80 |
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81 D(bug("Received data: %lx\n",data)); |
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82 Father=data->wait; |
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83 |
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84 SDL_RunThread(data); |
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85 |
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86 Signal(Father,SIGBREAKF_CTRL_F); |
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87 D(bug("Thread with data %lx ended\n",data)); |
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88 return(0); |
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89 } |
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90 |
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91 struct EmulLibEntry RunThreadStruct= |
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92 { |
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93 TRAP_LIB, |
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94 0, |
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95 (ULONG)RunTheThread |
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96 }; |
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97 |
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98 void *RunThread=&RunThreadStruct; |
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99 #endif |
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100 |
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101 |
| 0 | 102 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) |
| 103 { | |
| 104 /* Create the thread and go! */ | |
| 105 char buffer[20]; | |
| 106 | |
| 107 D(bug("Sending %lx to the new thread...\n",args)); | |
| 108 | |
| 109 if(args) | |
| 110 sprintf(buffer,"%ld",args); | |
| 111 | |
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112 #ifdef STORMC4_WOS |
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113 thread->handle=CreateTaskPPCTags(TASKATTR_CODE, RunThread, |
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114 TASKATTR_NAME, "SDL subtask", |
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115 TASKATTR_STACKSIZE, 100000, |
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116 (args ? TASKATTR_R3 : TAG_IGNORE), args, |
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117 TASKATTR_INHERITR2, TRUE, |
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118 TAG_DONE); |
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119 #else |
| 0 | 120 thread->handle=(struct Task *)CreateNewProcTags(NP_Output,Output(), |
| 121 NP_Name,(ULONG)"SDL subtask", | |
| 122 NP_CloseOutput, FALSE, | |
| 123 NP_StackSize,20000, | |
| 124 NP_Entry,(ULONG)RunThread, | |
| 125 args ? NP_Arguments : TAG_IGNORE,(ULONG)buffer, | |
| 126 TAG_DONE); | |
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127 #endif |
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128 |
| 0 | 129 if(!thread->handle) |
| 130 { | |
| 131 SDL_SetError("Not enough resources to create thread"); | |
| 132 return(-1); | |
| 133 } | |
| 134 | |
| 135 return(0); | |
| 136 } | |
| 137 | |
| 138 void SDL_SYS_SetupThread(void) | |
| 139 { | |
| 140 } | |
| 141 | |
| 142 Uint32 SDL_ThreadID(void) | |
| 143 { | |
| 144 return((Uint32)FindTask(NULL)); | |
| 145 } | |
| 146 | |
| 147 void SDL_SYS_WaitThread(SDL_Thread *thread) | |
| 148 { | |
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149 SetSignal(0L,SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); |
| 0 | 150 Wait(SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); |
| 151 } | |
| 152 | |
| 153 void SDL_SYS_KillThread(SDL_Thread *thread) | |
| 154 { | |
| 155 Signal((struct Task *)thread->handle,SIGBREAKF_CTRL_C); | |
| 156 } |