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/*
* COPYRIGHT (c) 1989-2012.
* 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.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define TEST_INIT
#define CONFIGURE_INIT
#include "system.h"
#include <signal.h>
#include <errno.h>
#include <reent.h>
const char rtems_test_name[] = "PSXSIGNAL 1";
/* forward declarations to avoid warnings */
int test_main(void);
void Handler_1(int signo);
void Signal_handler(int signo);
void Signal_info_handler(int signo, siginfo_t *info, void *context);
rtems_timer_service_routine Signal_duringISR_TSR(
rtems_id ignored_id,
void *ignored_address
);
typedef void (*sighandler_t)(int);
sighandler_t signal(int signum, sighandler_t handler);
extern void _POSIX_signals_Abnormal_termination_handler( int signo );
volatile int Signal_occurred;
volatile int Signal_count;
void Handler_1(
int signo
)
{
Signal_count++;
printf(
"Handler_1: Signal: %d caught by 0x%" PRIxpthread_t " (%d)\n",
signo,
pthread_self(),
Signal_count
);
Signal_occurred = 1;
}
void Signal_handler(
int signo
)
{
Signal_count++;
printf(
"Signal: %d caught by 0x%"PRIxpthread_t " (%d)\n",
signo,
pthread_self(),
Signal_count
);
Signal_occurred = 1;
}
void Signal_info_handler(
int signo,
siginfo_t *info,
void *context
)
{
Signal_count++;
printf(
"Signal_info: %d caught by 0x%" PRIxpthread_t " (%d) si_signo= %d si_code= %d value= %d\n",
signo,
pthread_self(),
Signal_count,
info->si_signo,
info->si_code,
info->si_value.sival_int
);
Signal_occurred = 1;
}
rtems_timer_service_routine Signal_duringISR_TSR(
rtems_id ignored_id,
void *ignored_address
)
{
int status;
status = pthread_kill( pthread_self(), SIGUSR1 );
rtems_test_assert( status == 0 );
}
void *POSIX_Init(
void *argument
)
{
int status;
struct sigaction act;
sigset_t mask;
sighandler_t oldHandler;
sighandler_t newHandler;
rtems_interval start, end;
TEST_BEGIN();
/* 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%08" PRIxpthread_t "\n", Init_id );
Signal_occurred = 0;
Signal_count = 0;
act.sa_handler = Handler_1;
act.sa_flags = 0;
sigaction( SIGUSR1, &act, NULL );
sigaction( SIGFPE, &act, NULL );
sigaction( SIGILL, &act, NULL );
sigaction( SIGSEGV, &act, NULL );
/*
* If we have the signal pending with default, we will die.
*/
puts("Validate signal with SIG_DFL");
signal( SIGUSR1, SIG_DFL );
status = kill( getpid(), SIGUSR1 );
status = sleep( 1 );
puts("Validate signal with SIG_IGN");
signal( SIGUSR1, SIG_IGN );
status = kill( getpid(), SIGUSR1 );
status = sleep( 1 );
/* unblock Signal and see if it happened */
status = sigemptyset( &mask );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGUSR1 );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGFPE );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGILL );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGSEGV );
rtems_test_assert( !status );
puts( "Init: Unblock SIGUSR1 SIGFPE SIGILL SIGSEGV" );
status = sigprocmask( SIG_UNBLOCK, &mask, NULL );
rtems_test_assert( !status );
/* install a signal handler for SIGUSR1 */
Signal_occurred = 0;
Signal_count = 0;
act.sa_handler = Handler_1;
act.sa_flags = 0;
sigaction( SIGUSR1, &act, NULL );
Signal_count = 0;
Signal_occurred = 0;
newHandler = Signal_handler;
oldHandler = signal( SIGUSR1, newHandler );
if (oldHandler == Handler_1 )
puts("Init: signal return value verified");
else
puts("Init: ERROR==> signal unexpected return value" );
status = sleep( 1 );
puts( "Init: send SIGUSR1 to process" );
status = kill( getpid(), SIGUSR1 );
status = sleep( 5 );
puts( "Init: send SIGFPE to process" );
status = _kill_r( NULL, getpid(), SIGFPE );
status = sleep(5);
puts( "Init: send SIGILL to process" );
status = _kill_r( NULL, getpid(), SIGILL );
status = sleep(5);
puts( "Init: send SIGSEGV to process" );
status = _kill_r( NULL, getpid(), SIGSEGV );
status = sleep(5);
Timer_name[0]= rtems_build_name( 'T', 'M', '1', ' ' );
status = rtems_timer_create( Timer_name[0], &Timer_id[0]);
Signal_count = 0;
Signal_occurred = 0;
puts( "Init: send SIGUSR1 to process from a TSR (interruptible sleep)" );
status = rtems_timer_fire_after(
Timer_id[ 0 ],
1,
Signal_duringISR_TSR,
NULL
);
sleep(5);
/* signal occurs during interruptible sleep */
/* now schedule another one to fire but do not sleep */
puts( "Init: send SIGUSR1 to process from a TSR (spin)" );
start = rtems_clock_get_ticks_since_boot();
Signal_count = 0;
Signal_occurred = 0;
status = rtems_timer_fire_after(
Timer_id[ 0 ],
10,
Signal_duringISR_TSR,
NULL
);
do {
end = rtems_clock_get_ticks_since_boot();
} while ( !Signal_occurred && ((end - start) <= 800));
if ( !Signal_occurred ) {
puts( "Signal did not occur" );
rtems_test_exit(0);
}
/* end of install a signal handler for SIGUSR1 */
Signal_occurred = 0;
puts("*** Validate unexpected program termination ***");
TEST_END();
_POSIX_signals_Abnormal_termination_handler( SIGUSR1 );
status = sleep( 1 );
puts( "ERROR==> Expected program termination");
rtems_test_exit(0);
return NULL; /* just so the compiler thinks we returned something */
}
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