forked from Imagelibrary/rtems
142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/* 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) 1989-2011.
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* On-Line Applications Research Corporation (OAR).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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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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unsigned int remaining;
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int status;
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int sig;
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volatile 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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rtems_test_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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rtems_test_assert( !status );
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status = sigaddset( &mask, SIGUSR1 );
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rtems_test_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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rtems_test_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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rtems_test_assert( !status );
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status = sigaddset( &mask, SIGUSR1 );
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rtems_test_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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rtems_test_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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rtems_test_assert( !status );
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status = sigaddset( &mask, SIGUSR1 );
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rtems_test_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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rtems_test_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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rtems_test_assert( !status );
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printf( "Task_3: sleep so the Init task can reguest a signal\n" );
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remaining = sleep( 1 );
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rtems_test_assert( !status );
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rtems_test_assert( remaining == 0 );
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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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