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/*
* Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
*
* 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
#include <string.h>
#include <time.h>
#include <rtems/test.h>
#include <rtems/simple-test.h>
const char rtems_test_name[] = "PSXINTRCRITICAL 1";
typedef struct {
timer_t timer;
struct itimerspec spec;
volatile bool early;
volatile bool late;
long early_count;
long late_count;
long potential_hits;
} test_context;
#define POSIX_TIMER_RELATIVE 0
static void prepare(void *arg)
{
test_context *ctx;
ctx = arg;
ctx->early = false;
ctx->late = false;
}
static void action(void *arg)
{
test_context *ctx;
int rv;
ctx = arg;
ctx->early = true;
rv = timer_settime(ctx->timer, POSIX_TIMER_RELATIVE, &ctx->spec, NULL);
ctx->late = true;
T_quiet_psx_success(rv);
while (T_interrupt_test_get_state() == T_INTERRUPT_TEST_ACTION) {
/* Wait */
}
}
static T_interrupt_test_state interrupt(void *arg)
{
test_context *ctx;
T_interrupt_test_state state;
int rv;
state = T_interrupt_test_get_state();
if (state != T_INTERRUPT_TEST_ACTION) {
return T_INTERRUPT_TEST_EARLY;
}
ctx = arg;
rv = timer_settime(ctx->timer, POSIX_TIMER_RELATIVE, &ctx->spec, NULL);
T_quiet_psx_success(rv);
if (ctx->late) {
++ctx->late_count;
return T_INTERRUPT_TEST_LATE;
} else if (ctx->early) {
++ctx->early_count;
return T_INTERRUPT_TEST_EARLY;
} else {
++ctx->potential_hits;
if (ctx->potential_hits > 13) {
return T_INTERRUPT_TEST_DONE;
} else {
return T_INTERRUPT_TEST_CONTINUE;
}
}
}
static const T_interrupt_test_config config = {
.prepare = prepare,
.action = action,
.interrupt = interrupt,
.max_iteration_count = 10000
};
T_TEST_CASE(PSXSetTimerInterrupt)
{
test_context ctx;
int sc;
T_interrupt_test_state state;
memset(&ctx, 0, sizeof(ctx));
/* create POSIX Timer */
sc = timer_create (CLOCK_REALTIME, NULL, &ctx.timer);
T_psx_success(sc);
/* we don't care if it ever fires */
ctx.spec.it_interval.tv_sec = 10;
ctx.spec.it_value.tv_sec = 10;
state = T_interrupt_test(&config, &ctx);
T_eq_int(state, T_INTERRUPT_TEST_DONE);
T_log(T_NORMAL, "early count = %ld", ctx.early_count);
T_log(T_NORMAL, "late count = %ld", ctx.late_count);
T_log(T_NORMAL, "potential hits = %ld", ctx.potential_hits);
T_gt_int(ctx.potential_hits, 0);
sc = timer_delete(ctx.timer);
T_psx_success(sc);
}
static rtems_task Init(rtems_task_argument arg)
{
rtems_test_run(arg, TEST_STATE);
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_MAXIMUM_POSIX_TIMERS 1
#define CONFIGURE_MICROSECONDS_PER_TICK 1000
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* global variables */
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