Mercurial > sdl-ios-xcode
diff src/thread/amigaos/SDL_systhread.c @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | 75a95f82bc1f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/thread/amigaos/SDL_systhread.c Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,107 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@devolution.com +*/ + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id$"; +#endif + +/* AmigaOS thread management routines for SDL */ + +#include "SDL_error.h" +#include "SDL_mutex.h" +#include "SDL_thread.h" +#include "SDL_thread_c.h" +#include "SDL_systhread.h" + +typedef struct { + int (*func)(void *); + void *data; + SDL_Thread *info; + struct Task *wait; +} thread_args; + +#if defined(__SASC) && !defined(__PPC__) +__saveds __asm Uint32 RunThread(register __a0 char *args ) +#elif defined(__PPC__) +Uint32 RunThread(char *args) +#else +Uint32 RunThread(char *args __asm("a0") ) +#endif +{ + thread_args *data=(thread_args *)atol(args); + struct Task *Father; + + D(bug("Received data: %lx\n",data)); + Father=data->wait; + + SDL_RunThread(data); + + Signal(Father,SIGBREAKF_CTRL_F); + return(0); +} + +int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) +{ + /* Create the thread and go! */ + char buffer[20]; + + D(bug("Sending %lx to the new thread...\n",args)); + + if(args) + sprintf(buffer,"%ld",args); + + + thread->handle=(struct Task *)CreateNewProcTags(NP_Output,Output(), + NP_Name,(ULONG)"SDL subtask", + NP_CloseOutput, FALSE, + NP_StackSize,20000, + NP_Entry,(ULONG)RunThread, + args ? NP_Arguments : TAG_IGNORE,(ULONG)buffer, + TAG_DONE); + if(!thread->handle) + { + SDL_SetError("Not enough resources to create thread"); + return(-1); + } + + return(0); +} + +void SDL_SYS_SetupThread(void) +{ +} + +Uint32 SDL_ThreadID(void) +{ + return((Uint32)FindTask(NULL)); +} + +void SDL_SYS_WaitThread(SDL_Thread *thread) +{ + Wait(SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); +} + +void SDL_SYS_KillThread(SDL_Thread *thread) +{ + Signal((struct Task *)thread->handle,SIGBREAKF_CTRL_C); +}