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/*
* Copyright (c) 2013 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* 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
#include "tmacros.h"
#include <pthread.h>
#include <signal.h>
const char rtems_test_name[] = "SMPPSXSIGNAL 1";
#define TEST_SIGNAL SIGUSR1
typedef enum {
SIG_READY,
SIG_SENT,
SIG_PROCESSED
} test_state;
typedef struct {
volatile test_state state;
pthread_t consumer;
pthread_t producer;
uint32_t consumer_processor;
uint32_t producer_processor;
} test_context;
static void change_state(test_context *ctx, test_state new_state)
{
ctx->state = new_state;
}
static void wait_for_state(const test_context *ctx, test_state desired_state)
{
while ( ctx->state != desired_state ) {
/* Wait */
}
}
static test_context ctx_instance = {
.state = SIG_READY
};
static void signal_handler(int signum)
{
test_context *ctx = &ctx_instance;
switch (ctx->state) {
case SIG_SENT:
change_state(ctx, SIG_PROCESSED);
break;
default:
rtems_test_assert(0);
}
}
static void signal_send(test_context *ctx, test_state new_state)
{
int eno;
eno = pthread_kill(ctx->consumer, TEST_SIGNAL);
rtems_test_assert(eno == 0);
change_state(ctx, new_state);
}
static void check_consumer_processor(const test_context *ctx)
{
rtems_test_assert(
ctx->consumer_processor == rtems_scheduler_get_processor()
);
}
static void check_producer_processor(const test_context *ctx)
{
rtems_test_assert(
ctx->producer_processor == rtems_scheduler_get_processor()
);
}
static void *producer(void *arg)
{
test_context *ctx = arg;
ctx->producer_processor = rtems_scheduler_get_processor();
rtems_test_assert(ctx->consumer_processor != ctx->producer_processor);
wait_for_state(ctx, SIG_READY);
signal_send(ctx, SIG_SENT);
check_producer_processor(ctx);
return ctx;
}
static void test(void)
{
test_context *ctx = &ctx_instance;
struct sigaction new_action;
sigset_t test_signal_set;
int rv;
pthread_attr_t attr;
int eno;
void *producer_status;
ctx->consumer = pthread_self();
ctx->consumer_processor = rtems_scheduler_get_processor();
memset(&new_action, 0, sizeof(new_action));
new_action.sa_handler = signal_handler;
rv = sigaction(TEST_SIGNAL, &new_action, NULL);
rtems_test_assert(rv == 0);
rv = sigemptyset(&test_signal_set);
rtems_test_assert(rv == 0);
rv = sigaddset(&test_signal_set, TEST_SIGNAL);
rtems_test_assert(rv == 0);
eno = pthread_sigmask(SIG_UNBLOCK, &test_signal_set, NULL);
rtems_test_assert(eno == 0);
eno = pthread_attr_init(&attr);
rtems_test_assert(eno == 0);
eno = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
rtems_test_assert(eno == 0);
eno = pthread_create(&ctx->producer, &attr, producer, ctx);
rtems_test_assert(eno == 0);
eno = pthread_attr_destroy(&attr);
rtems_test_assert(eno == 0);
check_consumer_processor(ctx);
wait_for_state(ctx, SIG_PROCESSED);
check_consumer_processor(ctx);
producer_status = NULL;
pthread_join(ctx->producer, &producer_status);
rtems_test_assert(eno == 0);
rtems_test_assert(producer_status == ctx);
}
static void *POSIX_Init(void *arg)
{
TEST_BEGIN();
if (rtems_scheduler_get_processor_maximum() >= 2) {
test();
}
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_MAXIMUM_PROCESSORS 2
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_MAXIMUM_POSIX_THREADS 2
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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