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annotate src/thread/beos/SDL_systhread.c @ 2779:4436464c4f51

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Fixed Bugzilla bug #205 Removed SDL_KillThread() from the API, as it isn't safe on many platforms.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 24 Nov 2008 00:18:42 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
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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
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41 SDL_MaskSignals(sigset_t * omask)
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42 {
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43 sigset_t mask;
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44 int i;
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45
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46 sigemptyset(&mask);
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47 for (i = 0; sig_list[i]; ++i) {
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48 sigaddset(&mask, sig_list[i]);
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49 }
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50 sigprocmask(SIG_BLOCK, &mask, omask);
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51 }
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52
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53 void
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54 SDL_UnmaskSignals(sigset_t * omask)
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55 {
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56 sigprocmask(SIG_SETMASK, omask, NULL);
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57 }
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58
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59 static int32
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60 RunThread(void *data)
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61 {
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62 SDL_RunThread(data);
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63 return (0);
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64 }
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65
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66 int
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67 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
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81 SDL_SYS_SetupThread(void)
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82 {
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83 /* Mask asynchronous signals for this thread */
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84 SDL_MaskSignals(NULL);
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85 }
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86
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87 Uint32
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88 SDL_ThreadID(void)
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89 {
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90 return ((Uint32) find_thread(NULL));
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91 }
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92
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93 void
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94 SDL_SYS_WaitThread(SDL_Thread * thread)
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95 {
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96 status_t the_status;
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97
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98 wait_for_thread(thread->handle, &the_status);
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99 }
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100
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101 /* vi: set ts=4 sw=4 expandtab: */