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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [psxtests/] [psx04/] [task3.c] - Blame information for rev 484

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1 30 unneback
/*  Task_3
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 *
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 *  This routine serves as a test task.
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 *
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 *  Input parameters:
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 *    argument - task argument
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 *
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 *  Output parameters:  NONE
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: task3.c,v 1.2 2001-09-27 12:02:24 chris Exp $
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 */
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#include "system.h"
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#include <signal.h>
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void *Task_3(
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  void *argument
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)
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{
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  int           status;
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  int           sig;
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  union sigval  value;
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  sigset_t      mask;
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  siginfo_t     info;
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  value.sival_int = SIGUSR1;
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  printf( "Task_3: sigqueue SIGUSR1 with value= %d\n", value.sival_int );
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  status = sigqueue( getpid(), SIGUSR1, value );
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  assert( !status );
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     /* catch signal with sigwaitinfo */
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  empty_line();
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  status = sigemptyset( &mask );
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  assert( !status );
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  status = sigaddset( &mask, SIGUSR1 );
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  assert( !status );
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  printf( "Task_3: sigwaitinfo SIGUSR1 with value= %d\n", value.sival_int );
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  status = sigwaitinfo( &mask, &info );
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     /* switch to Init */
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  assert( !(status==-1) );
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  printf(
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    "Task_3: si_signo= %d si_code= %d value= %d\n",
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    info.si_signo,
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    info.si_code,
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    info.si_value.sival_int
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  );
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     /* catch signal with sigwait */
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  empty_line();
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  status = sigemptyset( &mask );
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  assert( !status );
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  status = sigaddset( &mask, SIGUSR1 );
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  assert( !status );
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  printf( "Task_3: sigwait SIGUSR1\n" );
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  status = sigwait( &mask, &sig );
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     /* switch to Init */
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  assert( !status );
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  printf( "Task_3: signo= %d\n", sig );
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     /* catch signal with pause */
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  empty_line();
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  status = sigemptyset( &mask );
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  assert( !status );
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  status = sigaddset( &mask, SIGUSR1 );
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  assert( !status );
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  printf( "Task_3: pause\n" );
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  status = pause( );
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     /* switch to Init */
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  assert( !(status==-1) );
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  printf( "Task_3: pause= %d\n", status );
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     /* send signal to Init task before it has pended for a signal */
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  empty_line();
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  printf( "Task_3: sending SIGUSR2\n" );
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  status = pthread_kill( Init_id, SIGUSR2 );
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  assert( !status );
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  printf( "Task_3: sleep so the Init task can reguest a signal\n" );
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  status = sleep( 1 );
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  assert( !status );
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     /* end of task 3 */
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  printf( "Task_3: exit\n" );
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  pthread_exit( NULL );
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     /* switch to Init */
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  return NULL; /* just so the compiler thinks we returned something */
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}

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