Subversion Repositories openrisc

/*

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: init.c,v 1.2 2001-09-27 12:02:23 chris Exp $

 */

#define CONFIGURE_INIT

#include "system.h"

#include <signal.h>

volatile int Signal_occurred;

volatile int Signal_count;

void Signal_handler(

  int signo

)

{

  Signal_count++;

  printf(

    "Signal: %d caught by 0x%x (%d)\n",

    signo,

    pthread_self(),

    Signal_count

  );

  Signal_occurred = 1;

}

void *POSIX_Init(

  void *argument

)

{

  int               status;

  struct timespec   tv;

  struct timespec   tr;

  struct sigaction  act;

  sigset_t          mask;

  sigset_t          pending_set;

  puts( "\n\n*** POSIX TEST 2 ***" );

  /* set the time of day, and print our buffer in multiple ways */

  set_time( TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 );

  /* get id of this thread */

  Init_id = pthread_self();

  printf( "Init's ID is 0x%08x\n", Init_id );

  /* install a signal handler */

  status = sigemptyset( &act.sa_mask );

  assert( !status );

  act.sa_handler = Signal_handler;

  act.sa_flags   = 0;

  sigaction( SIGUSR1, &act, NULL );

  /* simple signal to self */

  Signal_count = 0;

  Signal_occurred = 0;

  status = pthread_kill( Init_id, SIGUSR1 );

  assert( !status );

  Signal_occurred = 0;

  /* now block the signal, send it, see if it is pending, and unblock it */

  status = sigemptyset( &mask );

  assert( !status );

  status = sigaddset( &mask, SIGUSR1 );

  assert( !status );

  printf( "Init: Block SIGUSR1\n" );

  status = sigprocmask( SIG_BLOCK, &mask, NULL );

  assert( !status );

  status = sigpending( &pending_set );

  assert( !status );

  printf( "Init: Signals pending 0x%08x\n", pending_set );

  printf( "Init: send SIGUSR1 to self\n" );

  status = pthread_kill( Init_id, SIGUSR1 );

  assert( !status );

  status = sigpending( &pending_set );

  assert( !status );

  printf( "Init: Signals pending 0x%08x\n", pending_set );

  printf( "Init: Unblock SIGUSR1\n" );

  status = sigprocmask( SIG_UNBLOCK, &mask, NULL );

  assert( !status );

  /* create a thread */

  status = pthread_create( &Task_id, NULL, Task_1_through_3, NULL );

  assert( !status );

  /*

   *  Loop for 5 seconds seeing how many signals we catch

   */

  tr.tv_sec = 5;

  tr.tv_nsec = 0;

  do {

    tv = tr;

    Signal_occurred = 0;

    status = nanosleep ( &tv, &tr );

    if ( status == -1 ) {

      assert( errno == EINTR );

      assert( tr.tv_nsec || tr.tv_sec );

    } else if ( !status ) {

      assert( !tr.tv_nsec && !tr.tv_sec );

    }

    printf(

      "Init: signal was %sprocessed with %d:%d time remaining\n",

      (Signal_occurred) ? "" : "not ",

      (int) tr.tv_sec,

      (int) tr.tv_nsec

   );

  } while ( tr.tv_sec || tr.tv_nsec );

  /* exit this thread */

  puts( "*** END OF POSIX TEST 2 ***" );

  exit( 0 );

  return NULL; /* just so the compiler thinks we returned something */

}