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annotate src/thread/beos/SDL_systhread.c @ 5172:ededa1ccf91c

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Switched the SDL 1.2 compatibility to use the window surface, so it's fast even when there's no hardware acceleration available. This means that the YUV overlay now uses software, but that's okay since fast YUV code should be using the textures now anyway.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 03 Feb 2011 21:13:55 -0800
parents f7b03b6838cb
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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 SDL_threadID
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88 SDL_ThreadID(void)
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89 {
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90 return ((SDL_threadID) 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: */