/*
* COPYRIGHT (c) 1989-2009.
* 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 CONFIGURE_INIT
#include "system.h"
#include <signal.h>
#include <errno.h>
const char rtems_test_name[] = "PSX 4";
volatile int Signal_occurred;
volatile int Signal_count;
void Signal_handler( int signo );
void Signal_info_handler(
int signo,
siginfo_t *info,
void *context
);
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;
}
void *POSIX_Init(
void *argument
)
{
unsigned int remaining;
int status;
struct sigaction act;
sigset_t mask;
sigset_t pending_set;
sigset_t oset;
struct timespec timeout;
siginfo_t info;
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 );
/* generate some easy error cases */
status = sigwait( NULL, NULL );
if ( status != EINVAL )
printf( "status = %d (%s)\n", status, strerror(status) );
rtems_test_assert( status == EINVAL );
puts( "Init: sigwait - EINVAL (NULL set)" );
status = sigtimedwait( NULL, NULL, NULL );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigwait - EINVAL (NULL set)" );
/* install a signal handler for SIGUSR1 */
status = sigemptyset( &act.sa_mask );
rtems_test_assert( !status );
printf( "Init: sigemptyset - set= 0x%08x\n", (unsigned int) act.sa_mask );
/* test sigfillset following the above sigemptyset */
status = sigfillset( &act.sa_mask );
rtems_test_assert( !status );
printf( "Init: sigfillset - set= 0x%08x\n", (unsigned int) act.sa_mask );
/* test sigdelset */
status = sigdelset( &act.sa_mask, SIGUSR1 );
rtems_test_assert( !status );
printf( "Init: sigdelset - delete SIGUSR1 set= 0x%08x\n",
(unsigned int) act.sa_mask );
/* test sigismember - FALSE */
status = sigismember( &act.sa_mask, SIGUSR1 );
rtems_test_assert( !status );
puts( "Init: sigismember - FALSE since SIGUSR1 is not a member" );
/* test sigismember - TRUE */
status = sigismember( &act.sa_mask, SIGUSR2 );
rtems_test_assert( status );
puts( "Init: sigismember - TRUE since SIGUSR2 is a member" );
/* return the set to empty */
act.sa_handler = Signal_handler;
act.sa_flags = 0;
sigaction( SIGUSR1, &act, NULL );
/* simple signal to process */
Signal_count = 0;
Signal_occurred = 0;
puts( "Init: send SIGUSR1 to process" );
status = kill( getpid(), SIGUSR1 );
rtems_test_assert( !status );
/* end of install a signal handler for SIGUSR1 */
Signal_occurred = 0;
/* now block the signal, send it, see if it is pending, and unblock it */
empty_line();
status = sigemptyset( &mask );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGUSR1 );
rtems_test_assert( !status );
puts( "Init: Block SIGUSR1" );
act.sa_handler = Signal_handler;
act.sa_flags = 0;
sigaction( SIGUSR1, &act, NULL );
/* simple signal to process */
Signal_count = 0;
Signal_occurred = 0;
puts( "Init: send SIGUSR1 to process" );
status = kill( getpid(), SIGUSR1 );
rtems_test_assert( !status );
Signal_occurred = 0;
/* now block the signal, send it, see if it is pending, and unblock it */
empty_line();
status = sigemptyset( &mask );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGUSR1 );
rtems_test_assert( !status );
puts( "Init: Block SIGUSR1" );
status = sigprocmask( SIG_BLOCK, &mask, NULL );
rtems_test_assert( !status );
status = sigpending( &pending_set );
rtems_test_assert( !status );
printf( "Init: Signals pending 0x%08x\n", (unsigned int) pending_set );
puts( "Init: send SIGUSR1 to process" );
status = kill( getpid(), SIGUSR1 );
rtems_test_assert( !status );
status = sigpending( &pending_set );
rtems_test_assert( !status );
printf( "Init: Signals pending 0x%08x\n", (unsigned int) pending_set );
puts( "Init: Unblock SIGUSR1" );
status = sigprocmask( SIG_UNBLOCK, &mask, NULL );
rtems_test_assert( !status );
/* now let another task get interrupted by a signal */
empty_line();
puts( "Init: create a thread interested in SIGUSR1" );
status = pthread_create( &Task1_id, NULL, Task_1, NULL );
rtems_test_assert( !status );
puts( "Init: Block SIGUSR1" );
status = sigprocmask( SIG_BLOCK, &mask, NULL );
rtems_test_assert( !status );
status = sigpending( &pending_set );
rtems_test_assert( !status );
printf( "Init: Signals pending 0x%08x\n", (unsigned int) pending_set );
puts( "Init: sleep so the other task can block" );
remaining = sleep( 1 );
rtems_test_assert( !status );
/* switch to task 1 */
puts( "Init: send SIGUSR1 to process" );
status = kill( getpid(), SIGUSR1 );
rtems_test_assert( !status );
status = sigpending( &pending_set );
rtems_test_assert( !status );
printf( "Init: Signals pending 0x%08x\n", (unsigned int) pending_set );
puts( "Init: sleep so the other task can catch signal" );
remaining = sleep( 1 );
rtems_test_assert( !status );
/* switch to task 1 */
/* test alarm */
empty_line();
/* install a signal handler for SIGALRM and unblock it */
status = sigemptyset( &act.sa_mask );
rtems_test_assert( !status );
act.sa_handler = Signal_handler;
act.sa_flags = 0;
sigaction( SIGALRM, &act, NULL );
status = sigemptyset( &mask );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGALRM );
rtems_test_assert( !status );
puts( "Init: Unblock SIGALRM" );
status = sigprocmask( SIG_UNBLOCK, &mask, NULL );
rtems_test_assert( !status );
/* schedule the alarm */
puts( "Init: Firing alarm in 5 seconds" );
remaining = alarm( 5 );
printf( "Init: %d seconds left on previous alarm\n", status );
rtems_test_assert( !status );
puts( "Init: Firing alarm in 2 seconds" );
remaining = alarm( 2 );
printf( "Init: %d seconds left on previous alarm\n", remaining );
rtems_test_assert( remaining == 5 );
puts( "Init: Wait 4 seconds for alarm" );
remaining = sleep( 4 );
printf( "Init: %d seconds left in sleep\n", remaining );
/*
* sleep() uses nanosleep() internally which discards the nanoseconds part,
* e.g. 1.99s -> 1s
*/
rtems_test_assert( remaining == 1 || remaining == 2 );
/* test SIG_SETMASK case and returning oset of pthread_sigmask */
empty_line();
status = sigemptyset( &mask );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGUSR1 );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGUSR2 );
rtems_test_assert( !status );
puts( "Init: Block SIGUSR1 and SIGUSR2 only" );
status = pthread_sigmask( SIG_SETMASK, &mask, &oset );
printf( "Init: Previous blocked set was 0x%08x\n", (unsigned int) oset );
rtems_test_assert( !status );
/* test inquiry about current blocked set with pthread_sigmask */
status = pthread_sigmask( 0, NULL, &oset );
printf( "Init: Current blocked set is 0x%08x\n", (unsigned int) oset );
rtems_test_assert( !status );
/* return blocked mask to no signals blocked */
status = sigemptyset( &mask );
rtems_test_assert( !status );
puts( "Init: Unblock all signals" );
status = pthread_sigmask( SIG_SETMASK, &mask, &oset );
printf( "Init: Previous blocked set was 0x%08x\n", (unsigned int) oset );
rtems_test_assert( !status );
/* test sigsuspend */
empty_line();
puts( "Init: create a thread to send Init SIGUSR1" );
status = pthread_create( &Task2_id, NULL, Task_2, NULL );
rtems_test_assert( !status );
status = sigemptyset( &mask );
rtems_test_assert( !status );
puts( "Init: sigsuspend for any signal" );
status = sigsuspend( &mask );
rtems_test_assert( status );
printf( "Init: awakended from sigsuspend status=%08d \n", status );
/* test a SIGINFO case, these are signals sent to a process only */
empty_line();
puts( "Init: create a thread to sent Process SIGUSR1 with SA_SIGINFO" );
status = pthread_create( &Task3_id, NULL, Task_3, NULL );
rtems_test_assert( !status );
/* set action on SIGUSR1 to an info case */
act.sa_handler = Signal_handler;
act.sa_flags = SA_SIGINFO;
act.sa_sigaction = Signal_info_handler;
sigaction( SIGUSR1, &act, NULL );
puts( "Init: sleep so the Task_3 can sigqueue SIGUSR1" );
remaining = sleep( 1 );
rtems_test_assert( !status );
/* switch to task 1 */
puts( "Init: sigqueue occurred" );
/* Send SIGUSR1, Task_3 has issued a sigwaitinfo */
status = sigemptyset( &mask );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGUSR1 );
rtems_test_assert( !status );
puts( "Init: Block SIGUSR1" );
status = sigprocmask( SIG_BLOCK, &mask, NULL );
rtems_test_assert( !status );
puts( "Init: send SIGUSR1 to process" );
status = kill( getpid(), SIGUSR1 );
rtems_test_assert( !status );
puts( "Init: sleep so the Task_3 can receive SIGUSR1" );
remaining = sleep( 1 );
rtems_test_assert( !status );
/* Send SIGUSR1, Task_3 has issued a sigwait */
status = sigemptyset( &mask );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGUSR1 );
rtems_test_assert( !status );
puts( "Init: Block SIGUSR1" );
status = sigprocmask( SIG_BLOCK, &mask, NULL );
rtems_test_assert( !status );
puts( "Init: send SIGUSR1 to process" );
status = kill( getpid(), SIGUSR1 );
rtems_test_assert( !status );
puts( "Init: sleep so the Task_3 can receive SIGUSR1" );
remaining = sleep( 1 );
rtems_test_assert( !status );
/* Send SIGUSR1, Task_3 has issued a sigwaitinfo */
status = sigemptyset( &mask );
rtems_test_assert( !status );
status = sigaddset( &mask, SIGUSR2 );
rtems_test_assert( !status );
puts( "Init: Block SIGUSR2" );
status = sigprocmask( SIG_BLOCK, &mask, NULL );
rtems_test_assert( !status );
puts( "Init: send SIGUSR2 to process" );
status = kill( getpid(), SIGUSR2 );
rtems_test_assert( !status );
puts( "Init: sleep so the Task_3 can receive SIGUSR2" );
remaining = sleep( 1 );
rtems_test_assert( !status );
/* Suspend for signal that has already be sent */
status = sigemptyset( &mask );
rtems_test_assert( !status );
puts( "Init: sigsuspend for any signal" );
status = sigsuspend( &mask );
rtems_test_assert( status );
printf( "Init: awakended from sigsuspend status=%d \n", status );
/* generate error cases for psignal */
empty_line();
status = sigemptyset( NULL );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigemptyset - EINVAL (set invalid)" );
status = sigfillset( NULL );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigfillset - EINVAL (set invalid)" );
status = sigaddset( NULL, SIGUSR1 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigaddset - EINVAL (set invalid)" );
status = sigaddset( &mask, 0 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigaddset - EINVAL (signal = 0)" );
status = sigaddset( &mask, 999 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigaddset - EINVAL (set invalid)" );
status = sigdelset( NULL, SIGUSR1 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigdelset - EINVAL (set invalid)" );
status = sigdelset( &mask, 0 );
rtems_test_assert( !status );
puts( "Init: sigdelset - SUCCESSFUL (signal = 0)" );
status = sigdelset( &mask, 999 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigdelset - EINVAL (set invalid)" );
status = sigismember( NULL, SIGUSR1 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigismember - EINVAL (set invalid)" );
status = sigismember( &mask, 0 );
rtems_test_assert( !status );
puts( "Init: sigismember - SUCCESSFUL (signal = 0)" );
status = sigismember( &mask, 999 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigismember - EINVAL (signal invalid)" );
status = sigaction( 0, &act, 0 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigaction - EINVAL (signal = 0)" );
status = sigaction( 999, &act, NULL );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigaction - EINVAL (signal invalid)" );
status = sigaction( SIGKILL, &act, NULL );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigaction - EINVAL (SIGKILL)" );
status = pthread_sigmask( SIG_BLOCK, NULL, NULL );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: pthread_sigmask - EINVAL (set and oset invalid)" );
status = pthread_sigmask( 999, &pending_set, NULL );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: pthread_sigmask - EINVAL (how invalid)" );
status = sigpending( NULL );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: sigpending - EINVAL (set invalid)" );
timeout.tv_nsec = -1;
status = sigtimedwait( &mask, &info, &timeout );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: pthread_sigmask - EINVAL (timout->nsec invalid < 0)" );
timeout.tv_nsec = 0x7fffffff;
status = sigtimedwait( &mask, &info, &timeout );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: pthread_sigmask - EINVAL (timout->nsec invalid to large)" );
status = pthread_kill( Init_id, 999 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_kill - EINVAL (sig invalid)" );
status = pthread_kill( Init_id, 0 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_kill - EINVAL (signal = 0)" );
act.sa_handler = SIG_IGN;
act.sa_flags = 0;
sigaction( SIGUSR2, &act, NULL );
status = pthread_kill( Init_id, SIGUSR2 );
rtems_test_assert( !status );
puts( "Init: pthread_kill - SUCCESSFUL (signal = SIG_IGN)" );
status = kill( INT_MAX, SIGUSR1 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == ESRCH );
puts( "Init: kill - ESRCH (pid invalid)" );
status = kill( getpid(), 0 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: kill - EINVAL (signal = 0)" );
status = kill( getpid(), 999 );
if ( status != -1 )
printf( "status = %d\n", status );
rtems_test_assert( errno == EINVAL );
puts( "Init: kill - EINVAL (sig invalid)" );
/* exit this thread */
TEST_END();
rtems_test_exit( 0 );
return NULL; /* just so the compiler thinks we returned something */
}
