Add a function to stop and fail a test after the specified number of
seconds have elapsed.
Signed-off-by: Thomas Wood <thomas.wood@xxxxxxxxx>
---
lib/igt_core.c | 44 +++++++++++++++++++++++++++++++++++++++++---
lib/igt_core.h | 2 ++
2 files changed, 43 insertions(+), 3 deletions(-)
diff --git a/lib/igt_core.c b/lib/igt_core.c
index 6f137ab..238068c 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -618,9 +618,12 @@ void igt_fail(int exitcode)
if (test_child)
exit(exitcode);
- if (in_subtest)
- exit_subtest("FAIL");
- else {
+ if (in_subtest) {
+ if (exitcode == 78)
+ exit_subtest("TIMEOUT");
+ else
+ exit_subtest("FAIL");
+ } else {
assert(!test_with_subtests || in_fixture);
if (in_fixture) {
@@ -1201,3 +1204,38 @@ void igt_vlog(enum igt_log_level level, const char *format, va_list args)
} else
vprintf(format, args);
}
+
+static void igt_alarm_handler(int signal)
+{
+ /* subsequent tests are skipped */
+ skip_subtests_henceforth = SKIP;
+
+ /* exit with status 78 to indicate timeout */
+ igt_fail(78);
+}
+
+/**
+ * igt_set_timeout:
+ * @seconds: seconds before timeout
+ *
+ * Stop the current test and skip any subsequent tests after the specified
+ * number of seconds have elapsed. The test will exit with "timeout" status
+ * (78). Any previous timer is cancelled and no timeout is scheduled if @seconds
+ * is zero.
+ *
+ */
+void igt_set_timeout(unsigned int seconds)
+{
+ struct sigaction sa;
+
+ sa.sa_handler = igt_alarm_handler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+
+ if (seconds == 0)
+ sigaction(SIGALRM, NULL, NULL);
+ else
+ sigaction(SIGALRM, &sa, NULL);
+
+ alarm(seconds);
+}
diff --git a/lib/igt_core.h b/lib/igt_core.h
index 7ede0d3..63ed9a5 100644
--- a/lib/igt_core.h
+++ b/lib/igt_core.h
@@ -465,4 +465,6 @@ extern enum igt_log_level igt_log_level;
} while (0)
+void igt_set_timeout(unsigned int timeout);
+
#endif /* IGT_CORE_H */
--
1.9.0
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