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annotate src/thread/beos/SDL_systhread.c @ 2378:d76ecec0c3f7 gsoc2008_iphone

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iPhone SDL 1.3 demos go here. All these demos are written using pure SDL 1.3 code. No compatibility calls! Perhaps if they are any good they could be use as tests for the SDL 1.3 release.
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Fri, 18 Jul 2008 20:46:02 +0000
parents c121d94672cb
children 4436464c4f51
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 void
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102 SDL_SYS_KillThread(SDL_Thread * thread)
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103 {
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104 kill_thread(thread->handle);
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105 }
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106
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107 /* vi: set ts=4 sw=4 expandtab: */