Mercurial > sdl-ios-xcode
annotate src/thread/amigaos/SDL_systhread.c @ 42:eb1459f3a3ae
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| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Sun, 27 May 2001 00:38:26 +0000 |
| parents | 75a95f82bc1f |
| children | e8157fcb3114 |
| 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 | |
| 20 slouken@devolution.com | |
| 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" | |
| 35 | |
| 36 typedef struct { | |
| 37 int (*func)(void *); | |
| 38 void *data; | |
| 39 SDL_Thread *info; | |
| 40 struct Task *wait; | |
| 41 } thread_args; | |
| 42 | |
|
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43 #ifndef MORPHOS |
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44 |
| 0 | 45 #if defined(__SASC) && !defined(__PPC__) |
| 46 __saveds __asm Uint32 RunThread(register __a0 char *args ) | |
| 47 #elif defined(__PPC__) | |
| 48 Uint32 RunThread(char *args) | |
| 49 #else | |
| 50 Uint32 RunThread(char *args __asm("a0") ) | |
| 51 #endif | |
| 52 { | |
| 53 thread_args *data=(thread_args *)atol(args); | |
| 54 struct Task *Father; | |
| 55 | |
| 56 D(bug("Received data: %lx\n",data)); | |
| 57 Father=data->wait; | |
| 58 | |
| 59 SDL_RunThread(data); | |
| 60 | |
| 61 Signal(Father,SIGBREAKF_CTRL_F); | |
| 62 return(0); | |
| 63 } | |
| 64 | |
|
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65 #else |
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66 |
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67 #include <emul/emulinterface.h> |
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68 |
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69 Uint32 RunTheThread(void) |
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70 { |
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71 thread_args *data=(thread_args *)atol(REG_A0); |
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72 struct Task *Father; |
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73 |
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74 D(bug("Received data: %lx\n",data)); |
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75 Father=data->wait; |
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76 |
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77 SDL_RunThread(data); |
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78 |
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79 Signal(Father,SIGBREAKF_CTRL_F); |
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80 return(0); |
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81 } |
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82 |
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83 struct EmulLibEntry RunThread= |
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84 { |
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85 TRAP_LIB, |
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86 0, |
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87 RunTheThread |
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88 }; |
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89 |
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90 #endif |
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91 |
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92 |
| 0 | 93 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) |
| 94 { | |
| 95 /* Create the thread and go! */ | |
| 96 char buffer[20]; | |
| 97 | |
| 98 D(bug("Sending %lx to the new thread...\n",args)); | |
| 99 | |
| 100 if(args) | |
| 101 sprintf(buffer,"%ld",args); | |
| 102 | |
| 103 | |
| 104 thread->handle=(struct Task *)CreateNewProcTags(NP_Output,Output(), | |
| 105 NP_Name,(ULONG)"SDL subtask", | |
| 106 NP_CloseOutput, FALSE, | |
| 107 NP_StackSize,20000, | |
| 108 NP_Entry,(ULONG)RunThread, | |
| 109 args ? NP_Arguments : TAG_IGNORE,(ULONG)buffer, | |
| 110 TAG_DONE); | |
| 111 if(!thread->handle) | |
| 112 { | |
| 113 SDL_SetError("Not enough resources to create thread"); | |
| 114 return(-1); | |
| 115 } | |
| 116 | |
| 117 return(0); | |
| 118 } | |
| 119 | |
| 120 void SDL_SYS_SetupThread(void) | |
| 121 { | |
| 122 } | |
| 123 | |
| 124 Uint32 SDL_ThreadID(void) | |
| 125 { | |
| 126 return((Uint32)FindTask(NULL)); | |
| 127 } | |
| 128 | |
| 129 void SDL_SYS_WaitThread(SDL_Thread *thread) | |
| 130 { | |
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131 SetSignal(0L,SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); |
| 0 | 132 Wait(SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); |
| 133 } | |
| 134 | |
| 135 void SDL_SYS_KillThread(SDL_Thread *thread) | |
| 136 { | |
| 137 Signal((struct Task *)thread->handle,SIGBREAKF_CTRL_C); | |
| 138 } |