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/*
* 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.com/license/LICENSE.
*
* $Id$
*/
#include <pmacros.h>
#include <signal.h>
#include <errno.h>
#include <pthread.h>
#include <sched.h>
volatile bool Signal_occurred;
volatile pthread_t Signal_thread;
void Signal_handler(
int signo,
siginfo_t *info,
void *arg
)
{
Signal_occurred = true;
Signal_thread = pthread_self();
}
void *Test_Thread(void *arg)
{
bool blocked = *((bool *)arg);
const char *name;
int sc;
sigset_t mask;
sigset_t wait_mask;
sigset_t pending_set;
sigset_t oset;
siginfo_t info;
if ( blocked )
name = "SignalBlocked";
else
name = "SignalNotBlocked";
/* build unblocked mask */
sc = sigemptyset( &mask );
assert( !sc );
printf( "%s - Unblock SIGUSR1\n", name );
sc = sigaddset( &mask, SIGUSR1 );
assert( !sc );
if ( !blocked ) {
printf( "%s - Unblock SIGUSR2\n", name );
sc = sigaddset( &mask, SIGUSR2 );
assert( !sc );
}
/* unblocked signals */
sc = pthread_sigmask( SIG_UNBLOCK, &mask, NULL );
assert( !sc );
/* build wait mask */
sc = sigemptyset( &wait_mask );
assert( !sc );
sc = sigaddset( &wait_mask, SIGUSR1 );
assert( !sc );
/* wait for a signal */
memset( &info, 0, sizeof(info) );
printf( "%s - Wait for SIGUSR1 unblocked\n", name );
sigwaitinfo( &wait_mask, &info );
assert( !sc );
printf( "%s - siginfo.si_signo=%d\n", name, info.si_signo );
printf( "%s - siginfo.si_code=%d\n", name, info.si_code );
printf( "%s - siginfo.si_value=0x%08x\n", name, info.si_value );
assert( info.si_signo == SIGUSR2 );
assert( info.si_code == SI_USER );
printf( "%s - exiting\n", name );
return NULL;
}
void *POSIX_Init(
void *argument
)
{
int i;
int sc;
pthread_t id;
struct sigaction act;
bool trueArg = true;
bool falseArg = false;
puts( "\n\n*** POSIX TEST SIGNAL 03 ***" );
Signal_occurred = false;
act.sa_handler = NULL;
act.sa_sigaction = Signal_handler;
act.sa_flags = SA_SIGINFO;
sigaction( SIGUSR1, &act, NULL );
sigaction( SIGUSR2, &act, NULL );
/* create threads */
sc = pthread_create( &id, NULL, Test_Thread, &falseArg );
assert( !sc );
sc = pthread_create( &id, NULL, Test_Thread, &trueArg );
assert( !sc );
puts( "Init - sleep - let threads settle - OK" );
usleep(500000);
puts( "Init - sleep - SignalBlocked thread settle - OK" );
usleep(500000);
puts( "Init - sending SIGUSR2 - deliver to one thread" );
sc = kill( getpid(), SIGUSR2 );
assert( !sc );
puts( "Init - sending SIGUSR2 - deliver to other thread" );
sc = kill( getpid(), SIGUSR2 );
assert( !sc );
puts( "Init - sending SIGUSR2 - expect EAGAIN" );
sc = kill( getpid(), SIGUSR2 );
assert( sc == -1 );
assert( errno == EAGAIN );
puts( "Init - sleep - let thread report if it unblocked - OK" );
usleep(500000);
/* we are just sigwait'ing the signal, not delivering it */
assert( Signal_occurred == true );
puts( "*** END OF POSIX TEST SIGNAL 03 ***" );
rtems_test_exit(0);
return NULL; /* just so the compiler thinks we returned something */
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_POSIX_THREADS 3
#define CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS 1
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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