annotate src/thread/irix/SDL_systhread.c @ 1333:39b0d60d3f50

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author Sam Lantinga <slouken@libsdl.org>
date Mon, 06 Feb 2006 08:58:44 +0000
parents c9b51268668f
children 604d73db6802
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /* IRIX thread management routines for SDL */
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24
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25 #include <stdlib.h>
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26 #include <errno.h>
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27 #include <signal.h>
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28 #include <sys/types.h>
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29 #include <sys/wait.h>
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30 #include <sys/prctl.h>
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31
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32 #include "SDL_error.h"
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33 #include "SDL_thread.h"
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34 #include "SDL_systhread.h"
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35
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36
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37 static int sig_list[] = {
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38 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCLD, SIGWINCH,
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39 SIGVTALRM, SIGPROF, 0
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40 };
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41
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42
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43 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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44 {
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45 /* Create the thread and go! */
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46 if ( sproc(SDL_RunThread, PR_SALL, args) < 0 ) {
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47 SDL_SetError("Not enough resources to create thread");
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48 return(-1);
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49 }
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50 return(0);
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51 }
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52
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53 void SDL_SYS_SetupThread(void)
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54 {
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55 int i;
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56 sigset_t mask;
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57
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58 /* Mask asynchronous signals for this thread */
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59 sigemptyset(&mask);
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60 for ( i=0; sig_list[i]; ++i ) {
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61 sigaddset(&mask, sig_list[i]);
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62 }
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63 sigprocmask(SIG_BLOCK, &mask, NULL);
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64 }
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65
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66 /* WARNING: This may not work for systems with 64-bit pid_t */
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67 Uint32 SDL_ThreadID(void)
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68 {
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69 return((Uint32)getpid());
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70 }
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71
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72 /* WARNING: This may not work for systems with 64-bit pid_t */
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73 void SDL_WaitThread(SDL_Thread *thread, int *status)
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74 {
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75 errno = 0;
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76 while ( errno != ECHILD ) {
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77 waitpid(thread->handle, NULL, 0);
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78 }
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79 }
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80
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81 /* WARNING: This may not work for systems with 64-bit pid_t */
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82 void SDL_KillThread(SDL_Thread *thread)
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83 {
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84 kill(thread->handle, SIGKILL);
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85 }
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86