tests: kernel: posix: timer: POSIX timer test.

Added test for POSIX timer APIs.

Signed-off-by: Youvedeep Singh <[email protected]>

Author: youvedeep-singh

tests/kernel/posix/timer/CMakeLists.txt

@@ -0,0 +1,6 @@
+include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
+project(NONE)
+
+target_include_directories(app PRIVATE $ENV{ZEPHYR_BASE}/include/posix)
+FILE(GLOB app_sources src/*.c)
+target_sources(app PRIVATE ${app_sources})

tests/kernel/posix/timer/prj.conf

@@ -0,0 +1,2 @@
+CONFIG_TEST=y
+CONFIG_PTHREAD_IPC=y

tests/kernel/posix/timer/src/posix_timer.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2018 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <time.h>
+#include <pthread.h>
+#include <errno.h>
+#include <tc_util.h>
+
+#define SECS_TO_SLEEP 2
+#define DURATION_SECS 1
+#define DURATION_NSECS 0
+#define PERIOD_SECS 0
+#define PERIOD_NSECS 100000000
+
+static int exp_count;
+
+void handler(union sigval val)
+{
+	TC_PRINT("Handler Signal value :%d for %d times\n", val.sival_int,
+		 ++exp_count);
+}
+
+void main(void)
+{
+	int ret, status = TC_FAIL;
+	struct sigevent sig;
+	timer_t timerid;
+	struct itimerspec value, ovalue;
+	struct timespec ts, te;
+	s64_t nsecs_elapsed, secs_elapsed, total_secs_timer;
+
+	sig.sigev_notify = SIGEV_SIGNAL;
+	sig.sigev_notify_function = handler;
+	sig.sigev_value.sival_int = 20;
+	sig.sigev_notify_attributes = NULL;
+	TC_START("POSIX timer test\n");
+	ret = timer_create(CLOCK_MONOTONIC, &sig, &timerid);
+
+	if (ret == 0) {
+		value.it_value.tv_sec = DURATION_SECS;
+		value.it_value.tv_nsec = DURATION_NSECS;
+		value.it_interval.tv_sec = PERIOD_SECS;
+		value.it_interval.tv_nsec = PERIOD_NSECS;
+		ret = timer_settime(timerid, 0, &value, &ovalue);
+		clock_gettime(CLOCK_MONOTONIC, &ts);
+
+		if (ret == 0) {
+			sleep(SECS_TO_SLEEP);
+		} else {
+			TC_PRINT("posix timer failed to start, error %d\n",
+				 errno);
+			goto test_end;
+		}
+
+		clock_gettime(CLOCK_MONOTONIC, &te);
+		timer_delete(timerid);
+	} else {
+		TC_ERROR("POSIX timer create failed with %d\n", errno);
+		goto test_end;
+	}
+
+	if (te.tv_nsec >= ts.tv_nsec) {
+		secs_elapsed = te.tv_sec - ts.tv_sec;
+		nsecs_elapsed = te.tv_nsec - ts.tv_nsec;
+	} else {
+		nsecs_elapsed = NSEC_PER_SEC + te.tv_nsec - ts.tv_nsec;
+		secs_elapsed = (te.tv_sec - ts.tv_sec - 1);
+	}
+
+	total_secs_timer = (u64_t) (value.it_value.tv_sec * NSEC_PER_SEC +
+				    value.it_value.tv_nsec + exp_count *
+				    (value.it_interval.tv_sec * NSEC_PER_SEC +
+				     value.it_interval.tv_nsec)) / NSEC_PER_SEC;
+
+	status = (total_secs_timer == secs_elapsed) ? TC_PASS : TC_FAIL;
+
+test_end:
+	TC_END_REPORT(status);
+}

tests/kernel/posix/timer/testcase.yaml

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+tests:
+  test:
+    tags: core