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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 /* IRIX thread management routines for SDL */
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29
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30 #include <stdlib.h>
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31 #include <errno.h>
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32 #include <signal.h>
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33 #include <sys/types.h>
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34 #include <sys/wait.h>
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35 #include <sys/prctl.h>
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36
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37 #include "SDL_error.h"
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38 #include "SDL_thread.h"
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39 #include "SDL_systhread.h"
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40
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41
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42 static int sig_list[] = {
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43 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCLD, SIGWINCH,
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44 SIGVTALRM, SIGPROF, 0
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45 };
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46
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47
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48 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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49 {
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50 /* Create the thread and go! */
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51 if ( sproc(SDL_RunThread, PR_SALL, args) < 0 ) {
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52 SDL_SetError("Not enough resources to create thread");
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53 return(-1);
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54 }
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55 return(0);
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56 }
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57
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58 void SDL_SYS_SetupThread(void)
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59 {
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60 int i;
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61 sigset_t mask;
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62
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63 /* Mask asynchronous signals for this thread */
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64 sigemptyset(&mask);
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65 for ( i=0; sig_list[i]; ++i ) {
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66 sigaddset(&mask, sig_list[i]);
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67 }
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68 sigprocmask(SIG_BLOCK, &mask, NULL);
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69 }
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70
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71 /* WARNING: This may not work for systems with 64-bit pid_t */
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72 Uint32 SDL_ThreadID(void)
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73 {
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74 return((Uint32)getpid());
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75 }
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76
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77 /* WARNING: This may not work for systems with 64-bit pid_t */
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78 void SDL_WaitThread(SDL_Thread *thread, int *status)
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79 {
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80 errno = 0;
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81 while ( errno != ECHILD ) {
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82 waitpid(thread->handle, NULL, 0);
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83 }
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84 }
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85
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86 /* WARNING: This may not work for systems with 64-bit pid_t */
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87 void SDL_KillThread(SDL_Thread *thread)
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88 {
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89 kill(thread->handle, SIGKILL);
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90 }
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91
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