/* SPDX-License-Identifier: BSD-2-Clause */ /* Task_3 * * This routine serves as a test task. * * Input parameters: * argument - task argument * * Output parameters: NONE * * COPYRIGHT (c) 1989-2011. * On-Line Applications Research Corporation (OAR). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "system.h" #include void *Task_3( void *argument ) { unsigned int remaining; int status; int sig; volatile union sigval value; sigset_t mask; siginfo_t info; value.sival_int = SIGUSR1; printf( "Task_3: sigqueue SIGUSR1 with value= %d\n", value.sival_int ); status = sigqueue( getpid(), SIGUSR1, value ); rtems_test_assert( !status ); /* catch signal with sigwaitinfo */ empty_line(); status = sigemptyset( &mask ); rtems_test_assert( !status ); status = sigaddset( &mask, SIGUSR1 ); rtems_test_assert( !status ); printf( "Task_3: sigwaitinfo SIGUSR1 with value= %d\n", value.sival_int ); status = sigwaitinfo( &mask, &info ); /* switch to Init */ rtems_test_assert( !(status==-1) ); printf( "Task_3: si_signo= %d si_code= %d value= %d\n", info.si_signo, info.si_code, info.si_value.sival_int ); /* catch signal with sigwait */ empty_line(); status = sigemptyset( &mask ); rtems_test_assert( !status ); status = sigaddset( &mask, SIGUSR1 ); rtems_test_assert( !status ); printf( "Task_3: sigwait SIGUSR1\n" ); status = sigwait( &mask, &sig ); /* switch to Init */ rtems_test_assert( !status ); printf( "Task_3: signo= %d\n", sig ); /* catch signal with pause */ empty_line(); status = sigemptyset( &mask ); rtems_test_assert( !status ); status = sigaddset( &mask, SIGUSR1 ); rtems_test_assert( !status ); printf( "Task_3: pause\n" ); status = pause( ); /* switch to Init */ rtems_test_assert( !(status==-1) ); printf( "Task_3: pause= %d\n", status ); /* send signal to Init task before it has pended for a signal */ empty_line(); printf( "Task_3: sending SIGUSR2\n" ); status = pthread_kill( Init_id, SIGUSR2 ); rtems_test_assert( !status ); printf( "Task_3: sleep so the Init task can reguest a signal\n" ); remaining = sleep( 1 ); rtems_test_assert( !status ); rtems_test_assert( remaining == 0 ); /* end of task 3 */ printf( "Task_3: exit\n" ); pthread_exit( NULL ); /* switch to Init */ return NULL; /* just so the compiler thinks we returned something */ }