| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2006 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| /* BeOS thread management routines for SDL */ |
| |
| #include "SDL_mutex.h" |
| #include "SDL_thread.h" |
| #include "../SDL_thread_c.h" |
| #include "../SDL_systhread.h" |
| #include "mydebug.h" |
| |
| typedef struct { |
| int (*func)(void *); |
| void *data; |
| SDL_Thread *info; |
| struct Task *wait; |
| } thread_args; |
| |
| #ifndef MORPHOS |
| |
| #if defined(__SASC) && !defined(__PPC__) |
| __saveds __asm Uint32 RunThread(register __a0 char *args ) |
| #elif defined(__PPC__) |
| Uint32 RunThread(char *args) |
| #else |
| Uint32 __saveds RunThread(char *args __asm("a0") ) |
| #endif |
| { |
| #ifdef STORMC4_WOS |
| thread_args *data=(thread_args *)args; |
| #else |
| thread_args *data=(thread_args *)atol(args); |
| #endif |
| |
| struct Task *Father; |
| |
| D(bug("Received data: %lx\n",data)); |
| Father=data->wait; |
| |
| SDL_RunThread(data); |
| |
| Signal(Father,SIGBREAKF_CTRL_F); |
| D(bug("Thread with data %lx ended\n",data)); |
| return(0); |
| } |
| |
| #else |
| |
| #include <emul/emulinterface.h> |
| |
| Uint32 RunTheThread(void) |
| { |
| thread_args *data=(thread_args *)atol((char *)REG_A0); |
| struct Task *Father; |
| |
| D(bug("Received data: %lx\n",data)); |
| Father=data->wait; |
| |
| SDL_RunThread(data); |
| |
| Signal(Father,SIGBREAKF_CTRL_F); |
| D(bug("Thread with data %lx ended\n",data)); |
| return(0); |
| } |
| |
| struct EmulLibEntry RunThreadStruct= |
| { |
| TRAP_LIB, |
| 0, |
| (ULONG)RunTheThread |
| }; |
| |
| void *RunThread=&RunThreadStruct; |
| #endif |
| |
| |
| 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) |
| SDL_snprintf(buffer, SDL_arraysize(buffer),"%ld",args); |
| |
| #ifdef STORMC4_WOS |
| thread->handle=CreateTaskPPCTags(TASKATTR_CODE, RunThread, |
| TASKATTR_NAME, "SDL subtask", |
| TASKATTR_STACKSIZE, 100000, |
| (args ? TASKATTR_R3 : TAG_IGNORE), args, |
| TASKATTR_INHERITR2, TRUE, |
| TAG_DONE); |
| #else |
| 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); |
| #endif |
| |
| 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) |
| { |
| SetSignal(0L,SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); |
| Wait(SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); |
| } |
| |
| void SDL_SYS_KillThread(SDL_Thread *thread) |
| { |
| Signal((struct Task *)thread->handle,SIGBREAKF_CTRL_C); |
| } |