| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "SDL_config.h" |
| |
| #ifdef SDL_THREAD_BEOS |
| |
| /* BeOS thread management routines for SDL */ |
| |
| #include <stdio.h> |
| #include <signal.h> |
| #include <be/kernel/OS.h> |
| |
| #include "SDL_mutex.h" |
| #include "SDL_thread.h" |
| #include "../SDL_thread_c.h" |
| #include "../SDL_systhread.h" |
| |
| |
| static int sig_list[] = { |
| SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0 |
| }; |
| |
| void |
| SDL_MaskSignals(sigset_t * omask) |
| { |
| sigset_t mask; |
| int i; |
| |
| sigemptyset(&mask); |
| for (i = 0; sig_list[i]; ++i) { |
| sigaddset(&mask, sig_list[i]); |
| } |
| sigprocmask(SIG_BLOCK, &mask, omask); |
| } |
| |
| void |
| SDL_UnmaskSignals(sigset_t * omask) |
| { |
| sigprocmask(SIG_SETMASK, omask, NULL); |
| } |
| |
| static int32 |
| RunThread(void *data) |
| { |
| SDL_RunThread(data); |
| return (0); |
| } |
| |
| int |
| SDL_SYS_CreateThread(SDL_Thread * thread, void *args) |
| { |
| /* The docs say the thread name can't be longer than B_OS_NAME_LENGTH. */ |
| const char *threadname = thread->name ? thread->name : "SDL Thread"; |
| char name[B_OS_NAME_LENGTH]; |
| SDL_snprintf(name, sizeof (name), "%s", threadname); |
| name[sizeof (name) - 1] = '\0'; |
| |
| /* Create the thread and go! */ |
| thread->handle = spawn_thread(RunThread, name, B_NORMAL_PRIORITY, args); |
| if ((thread->handle == B_NO_MORE_THREADS) || |
| (thread->handle == B_NO_MEMORY)) { |
| return SDL_SetError("Not enough resources to create thread"); |
| } |
| resume_thread(thread->handle); |
| return (0); |
| } |
| |
| void |
| SDL_SYS_SetupThread(const char *name) |
| { |
| /* We set the thread name during SDL_SYS_CreateThread(). */ |
| /* Mask asynchronous signals for this thread */ |
| SDL_MaskSignals(NULL); |
| } |
| |
| SDL_threadID |
| SDL_ThreadID(void) |
| { |
| return ((SDL_threadID) find_thread(NULL)); |
| } |
| |
| int |
| SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority) |
| { |
| int32 value; |
| |
| if (priority == SDL_THREAD_PRIORITY_LOW) { |
| value = B_LOW_PRIORITY; |
| } else if (priority == SDL_THREAD_PRIORITY_HIGH) { |
| value = B_URGENT_DISPLAY_PRIORITY; |
| } else { |
| value = B_NORMAL_PRIORITY; |
| } |
| set_thread_priority(find_thread(NULL), value); |
| return 0; |
| } |
| |
| void |
| SDL_SYS_WaitThread(SDL_Thread * thread) |
| { |
| status_t the_status; |
| |
| wait_for_thread(thread->handle, &the_status); |
| } |
| |
| #endif /* SDL_THREAD_BEOS */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |