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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* BeOS thread management routines for SDL */
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29
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30 #include <stdio.h>
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31 #include <signal.h>
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32 #include <be/kernel/OS.h>
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33
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34 #include "SDL_error.h"
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35 #include "SDL_mutex.h"
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36 #include "SDL_thread.h"
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37 #include "SDL_thread_c.h"
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38 #include "SDL_systhread.h"
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39
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40
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41 static int sig_list[] = {
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42 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
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43 };
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44
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45 void SDL_MaskSignals(sigset_t *omask)
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46 {
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47 sigset_t mask;
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48 int i;
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49
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50 sigemptyset(&mask);
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51 for ( i=0; sig_list[i]; ++i ) {
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52 sigaddset(&mask, sig_list[i]);
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53 }
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54 sigprocmask(SIG_BLOCK, &mask, omask);
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55 }
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56 void SDL_UnmaskSignals(sigset_t *omask)
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57 {
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58 sigprocmask(SIG_SETMASK, omask, NULL);
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59 }
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60
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61 static int32 RunThread(void *data)
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62 {
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63 SDL_RunThread(data);
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64 return(0);
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65 }
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66
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67 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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68 {
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69 /* Create the thread and go! */
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70 thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args);
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71 if ( (thread->handle == B_NO_MORE_THREADS) ||
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72 (thread->handle == B_NO_MEMORY) ) {
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73 SDL_SetError("Not enough resources to create thread");
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74 return(-1);
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75 }
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76 resume_thread(thread->handle);
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77 return(0);
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78 }
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79
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80 void SDL_SYS_SetupThread(void)
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81 {
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82 /* Mask asynchronous signals for this thread */
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83 SDL_MaskSignals(NULL);
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84 }
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85
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86 Uint32 SDL_ThreadID(void)
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87 {
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88 return((Uint32)find_thread(NULL));
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89 }
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90
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91 void SDL_SYS_WaitThread(SDL_Thread *thread)
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92 {
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93 status_t the_status;
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94
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95 wait_for_thread(thread->handle, &the_status);
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96 }
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97
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98 void SDL_SYS_KillThread(SDL_Thread *thread)
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99 {
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100 kill_thread(thread->handle);
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101 }
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