src/thread/beos/SDL_systhread.c

/* [<][>]
[^][v][top][bottom][index][help] */

FUNCTIONS

This source file includes following functions.
  1. SDL_MaskSignals
  2. SDL_UnmaskSignals
  3. RunThread
  4. SDL_SYS_CreateThread
  5. SDL_SYS_SetupThread
  6. SDL_ThreadID
  7. SDL_SYS_WaitThread
  8. SDL_SYS_KillThread

   1 /*
   2     SDL - Simple DirectMedia Layer
   3     Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
   4 
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9 
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14 
  15     You should have received a copy of the GNU Library General Public
  16     License along with this library; if not, write to the Free
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 
  19     Sam Lantinga
  20     slouken@devolution.com
  21 */
  22 
  23 #ifdef SAVE_RCSID
  24 static char rcsid =
  25  "@(#) $Id: SDL_systhread.c,v 1.2.2.2 2001/02/10 07:20:04 hercules Exp $";
  26 #endif
  27 
  28 /* BeOS thread management routines for SDL */
  29 
  30 #include <stdio.h>
  31 #include <signal.h>
  32 #include <be/kernel/OS.h>
  33 
  34 #include "SDL_error.h"
  35 #include "SDL_mutex.h"
  36 #include "SDL_thread.h"
  37 #include "SDL_thread_c.h"
  38 #include "SDL_systhread.h"
  39 
  40 
  41 static int sig_list[] = {
  42         SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
  43 };
  44 
  45 void SDL_MaskSignals(sigset_t *omask)
     /* [<][>][^][v][top][bottom][index][help] */
  46 {
  47         sigset_t mask;
  48         int i;
  49 
  50         sigemptyset(&mask);
  51         for ( i=0; sig_list[i]; ++i ) {
  52                 sigaddset(&mask, sig_list[i]);
  53         }
  54         sigprocmask(SIG_BLOCK, &mask, omask);
  55 }
  56 void SDL_UnmaskSignals(sigset_t *omask)
     /* [<][>][^][v][top][bottom][index][help] */
  57 {
  58         sigprocmask(SIG_SETMASK, omask, NULL);
  59 }
  60 
  61 static int32 RunThread(void *data)
     /* [<][>][^][v][top][bottom][index][help] */
  62 {
  63         SDL_RunThread(data);
  64         return(0);
  65 }
  66 
  67 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
     /* [<][>][^][v][top][bottom][index][help] */
  68 {
  69         /* Create the thread and go! */
  70         thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args);
  71         if ( (thread->handle == B_NO_MORE_THREADS) ||
  72              (thread->handle == B_NO_MEMORY) ) {
  73                 SDL_SetError("Not enough resources to create thread");
  74                 return(-1);
  75         }
  76         resume_thread(thread->handle);
  77         return(0);
  78 }
  79 
  80 void SDL_SYS_SetupThread(void)
     /* [<][>][^][v][top][bottom][index][help] */
  81 {
  82         /* Mask asynchronous signals for this thread */
  83         SDL_MaskSignals(NULL);
  84 }
  85 
  86 Uint32 SDL_ThreadID(void)
     /* [<][>][^][v][top][bottom][index][help] */
  87 {
  88         return((Uint32)find_thread(NULL));
  89 }
  90 
  91 void SDL_SYS_WaitThread(SDL_Thread *thread)
     /* [<][>][^][v][top][bottom][index][help] */
  92 {
  93         status_t the_status;
  94 
  95         wait_for_thread(thread->handle, &the_status);
  96 }
  97 
  98 void SDL_SYS_KillThread(SDL_Thread *thread)
     /* [<][>][^][v][top][bottom][index][help] */
  99 {
 100         kill_thread(thread->handle);
 101 }

/* [<][>][^][v][top][bottom][index][help] */