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https://gitlab.rtems.org/rtems/rtos/rtems.git
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Sebastian Huber
ae0f048ff3
Avoid output in signal handler to not disturb the timings which are checked in this test. Use asserts to ensure proper signal handler invocations.
109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/*
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* COPYRIGHT (c) 1989-2012.
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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.rtems.org/license/LICENSE.
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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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#define CONFIGURE_INIT
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#include "system.h"
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#include <signal.h>
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#include <signal.h>
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#include <unistd.h>
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#include <errno.h>
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const char rtems_test_name[] = "PSXUALARM";
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static volatile int Signal_count;
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static void Signal_handler(
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int signo
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)
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{
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rtems_test_assert( signo == SIGALRM );
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++Signal_count;
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}
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void *POSIX_Init(
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void *argument
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)
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{
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int status;
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useconds_t result;
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struct sigaction act;
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sigset_t mask;
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TEST_BEGIN();
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/* set the time of day, and print our buffer in multiple ways */
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set_time( TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 );
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/* get id of this thread */
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Init_id = pthread_self();
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printf( "Init's ID is 0x%08" PRIxpthread_t "\n", Init_id );
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/* Validate ualarm is ignored if signal not caught */
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act.sa_handler = Signal_handler;
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act.sa_flags = 0;
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sigaction( SIGALRM, &act, NULL );
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puts( "Init: ualarm in 500000 us" );
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result = ualarm( 500000, 0 );
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rtems_test_assert( result == 0 );
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status = sleep( 1 );
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rtems_test_assert( status == 0 );
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rtems_test_assert( Signal_count == 0 );
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/* unblock Signal and see if it happened */
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status = sigemptyset( &mask );
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rtems_test_assert( !status );
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status = sigaddset( &mask, SIGALRM );
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rtems_test_assert( !status );
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puts( "Init: Unblock SIGALRM" );
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status = sigprocmask( SIG_UNBLOCK, &mask, NULL );
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rtems_test_assert( !status );
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status = sleep( 1 );
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rtems_test_assert( status == 0 );
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rtems_test_assert( Signal_count == 0 );
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result = ualarm( 500000, 0 );
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rtems_test_assert( result == 0 );
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status = sleep( 1 );
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rtems_test_assert( status == 0 );
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rtems_test_assert( Signal_count == 1 );
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/* stop ularm */
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puts( "Init: clear ualarm with 0, 0" );
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result = ualarm( 0, 0 );
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rtems_test_assert( result == 0 );
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result = ualarm( 500000, 1000000 );
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rtems_test_assert( result == 0 );
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status = sleep( 1 );
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rtems_test_assert( status == 0 );
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rtems_test_assert( Signal_count == 2 );
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status = sleep( 1 );
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rtems_test_assert( status == 0 );
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rtems_test_assert( Signal_count == 3 );
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result = ualarm( 0, 0 );
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rtems_test_assert( result == 1000000 );
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TEST_END();
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rtems_test_exit(0);
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return NULL; /* just so the compiler thinks we returned something */
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}
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