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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 /* BeOS thread management routines for SDL */ |
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25 |
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26 #include <stdio.h> |
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27 #include <signal.h> |
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28 #include <be/kernel/OS.h> |
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29 |
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30 #include "SDL_mutex.h" |
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31 #include "SDL_thread.h" |
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32 #include "../SDL_thread_c.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, SIGWINCH, 0 |
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38 }; |
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39 |
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40 void SDL_MaskSignals(sigset_t *omask) |
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41 { |
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42 sigset_t mask; |
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43 int i; |
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44 |
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45 sigemptyset(&mask); |
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46 for ( i=0; sig_list[i]; ++i ) { |
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47 sigaddset(&mask, sig_list[i]); |
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48 } |
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49 sigprocmask(SIG_BLOCK, &mask, omask); |
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50 } |
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51 void SDL_UnmaskSignals(sigset_t *omask) |
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52 { |
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53 sigprocmask(SIG_SETMASK, omask, NULL); |
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54 } |
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55 |
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56 static int32 RunThread(void *data) |
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57 { |
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58 SDL_RunThread(data); |
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59 return(0); |
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60 } |
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61 |
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62 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) |
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63 { |
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64 /* Create the thread and go! */ |
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65 thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args); |
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66 if ( (thread->handle == B_NO_MORE_THREADS) || |
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67 (thread->handle == B_NO_MEMORY) ) { |
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68 SDL_SetError("Not enough resources to create thread"); |
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69 return(-1); |
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70 } |
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71 resume_thread(thread->handle); |
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72 return(0); |
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73 } |
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74 |
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75 void SDL_SYS_SetupThread(void) |
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76 { |
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77 /* Mask asynchronous signals for this thread */ |
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78 SDL_MaskSignals(NULL); |
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79 } |
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80 |
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81 Uint32 SDL_ThreadID(void) |
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82 { |
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83 return((Uint32)find_thread(NULL)); |
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84 } |
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85 |
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86 void SDL_SYS_WaitThread(SDL_Thread *thread) |
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87 { |
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88 status_t the_status; |
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89 |
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90 wait_for_thread(thread->handle, &the_status); |
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91 } |
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92 |
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93 void SDL_SYS_KillThread(SDL_Thread *thread) |
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94 { |
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95 kill_thread(thread->handle); |
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96 } |