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/*
* COPYRIGHT (c) 1989-2012,2019.
* On-Line Applications Research Corporation (OAR).
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tmacros.h>
#include "test_support.h"
#ifdef INTERRUPT_DRIVEN
#include "../termios04/termios_testdriver_intr.h"
const char rtems_test_name[] = "TERMIOS 11 -- Interrupt driven";
#else
#include "../termios03/termios_testdriver_polled.h"
const char rtems_test_name[] = "TERMIOS 10 -- Polled";
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
#include <termios.h>
#include <rtems/dumpbuf.h>
#include <rtems/libio.h>
int Test_fd;
static void open_it(void)
{
Test_fd = open( TERMIOS_TEST_DRIVER_DEVICE_NAME, O_RDWR );
rtems_test_assert( Test_fd != -1 );
}
static void change_lflag( const char *desc, int mask, int new )
{
int rc;
struct termios attr;
if (desc) {
printf( "Changing c_lflag to: %s\n", desc );
}
rc = tcgetattr( Test_fd, &attr );
rtems_test_assert( rc == 0 );
attr.c_lflag &= ~mask;
attr.c_lflag |= new;
rc = tcsetattr( Test_fd, TCSANOW, &attr );
rtems_test_assert( rc == 0 );
}
static void read_it(ssize_t expected, int expected_intr)
{
ssize_t rc;
char buf[32];
rtems_test_assert( expected <= sizeof(buf) );
rc = read( Test_fd, buf, expected );
if (expected_intr) {
rtems_test_assert( rc == -1 );
rtems_test_assert( errno == EINTR );
} else {
if ( expected != rc )
printf( "ERROR - expected=%zd rc=%zd\n", expected, rc );
rtems_test_assert( expected == rc );
}
}
static void close_it(void)
{
int rc;
rc = close( Test_fd );
rtems_test_assert( rc == 0 );
}
volatile int sigint_occurred = 0;
volatile int sigquit_occurred = 0;
static void sigint_handler(int signo)
{
rtems_test_assert(signo == SIGINT);
sigint_occurred = 1;
}
static void sigquit_handler(int signo)
{
rtems_test_assert(signo == SIGQUIT);
sigquit_occurred = 1;
}
static void test_read_for_signal(
const char *description,
int isig_value,
char c,
int sigint_expected,
int sigquit_expected
)
{
char expected[3];
printf("Test read for %s\n", description);
expected[0] = c;
expected[1] = '\n'; /* in canonical mode, so need \n for read to return */
expected[2] = '\0';
sigint_occurred = 0;
sigquit_occurred = 0;
open_it();
change_lflag(NULL, ISIG, isig_value);
termios_test_driver_set_rx( expected, 2 );
read_it(1, (sigint_expected || sigquit_expected));
rtems_test_assert(sigint_occurred == sigint_expected);
rtems_test_assert(sigquit_occurred == sigquit_expected);
close_it();
}
/*
* Use a POSIX init thread so signals are enabled.
*/
static void *POSIX_Init(void *argument)
{
int rc;
TEST_BEGIN();
signal(SIGINT, sigint_handler);
signal(SIGQUIT, sigquit_handler);
puts( "Exercise default ISIG handler with ISIG enabled");
test_read_for_signal("VKILL - no signals", ISIG, '\003', 0, 0);
test_read_for_signal("VQUIT - no signals", ISIG, '\034', 0, 0);
puts( "Exercise POSIX ISIG handler with ISIG enabled");
rc = rtems_termios_register_isig_handler(rtems_termios_posix_isig_handler);
rtems_test_assert( rc == 0 );
test_read_for_signal("VKILL - signal caught", ISIG, '\003', 1, 0);
test_read_for_signal("VQUIT - signal caught", ISIG, '\034', 0, 1);
puts( "Exercise default ISIG handler with ISIG enabled");
rc = rtems_termios_register_isig_handler(rtems_termios_default_isig_handler);
rtems_test_assert( rc == 0 );
test_read_for_signal("VKILL - signal caught", ISIG, '\003', 0, 0);
test_read_for_signal("VQUIT - signal caught", ISIG, '\034', 0, 0);
puts( "Exercise POSIX ISIG handler with ISIG disabled");
rc = rtems_termios_register_isig_handler(rtems_termios_posix_isig_handler);
rtems_test_assert( rc == 0 );
test_read_for_signal("VKILL - signal caught", 0, '\003', 0, 0);
test_read_for_signal("VQUIT - signal caught", 0, '\034', 0, 0);
TEST_END();
rtems_test_exit(0);
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_EXTRA_DRIVERS \
TERMIOS_TEST_DRIVER_TABLE_ENTRY
/* we need to be able to open the test device */
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4
#define CONFIGURE_MAXIMUM_POSIX_THREADS 1
#define CONFIGURE_MAXIMUM_TIMERS 2
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */
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