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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 #include "SDL_config.h" |
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23 |
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24 /* IRIX thread management routines for SDL */ |
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25 |
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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_thread.h" |
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33 #include "../SDL_systhread.h" |
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34 |
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35 |
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36 static int sig_list[] = { |
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37 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCLD, SIGWINCH, |
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38 SIGVTALRM, SIGPROF, 0 |
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39 }; |
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40 |
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41 |
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42 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) |
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43 { |
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44 /* Create the thread and go! */ |
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45 if ( sproc(SDL_RunThread, PR_SALL, args) < 0 ) { |
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46 SDL_SetError("Not enough resources to create thread"); |
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47 return(-1); |
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48 } |
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49 return(0); |
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50 } |
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51 |
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52 void SDL_SYS_SetupThread(void) |
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53 { |
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54 int i; |
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55 sigset_t mask; |
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56 |
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57 /* Mask asynchronous signals for this thread */ |
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58 sigemptyset(&mask); |
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59 for ( i=0; sig_list[i]; ++i ) { |
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60 sigaddset(&mask, sig_list[i]); |
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61 } |
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62 sigprocmask(SIG_BLOCK, &mask, NULL); |
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63 } |
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64 |
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65 /* WARNING: This may not work for systems with 64-bit pid_t */ |
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66 Uint32 SDL_ThreadID(void) |
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67 { |
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68 return((Uint32)getpid()); |
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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 void SDL_WaitThread(SDL_Thread *thread, int *status) |
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73 { |
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74 errno = 0; |
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75 while ( errno != ECHILD ) { |
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76 waitpid(thread->handle, NULL, 0); |
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77 } |
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78 } |
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79 |
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80 /* WARNING: This may not work for systems with 64-bit pid_t */ |
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81 void SDL_KillThread(SDL_Thread *thread) |
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82 { |
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83 kill(thread->handle, SIGKILL); |
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84 } |
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85 |