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-rw-r--r--tests/timer/timer_test.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/timer/timer_test.c b/tests/timer/timer_test.c
index 72c07a9a..3775151c 100644
--- a/tests/timer/timer_test.c
+++ b/tests/timer/timer_test.c
@@ -24,6 +24,7 @@
#include <stdio.h>
#include <stdlib.h>
+#include <signal.h>
#include <getopt.h>
#include <osmocom/core/talloc.h>
@@ -137,10 +138,22 @@ static void secondary_timer_fired(void *data)
}
}
+static void alarm_handler(int signum)
+{
+ fprintf(stderr, "ERROR: We took too long to run the timer test, "
+ "something seems broken, aborting.\n");
+ exit(EXIT_FAILURE);
+}
+
int main(int argc, char *argv[])
{
int c;
+ if (signal(SIGALRM, alarm_handler) == SIG_ERR) {
+ perror("cannot register signal handler");
+ exit(EXIT_FAILURE);
+ }
+
while ((c = getopt_long(argc, argv, "s:", NULL, NULL)) != -1) {
switch(c) {
case 's':
@@ -162,6 +175,12 @@ int main(int argc, char *argv[])
osmo_timer_schedule(&main_timer, 1, 0);
+ /* if the test takes too long, we may consider that the timer scheduler
+ * has hung. We set some maximum wait time which is the double of the
+ * maximum timeout randomly set (10 seconds, worst case) plus the
+ * number of steps (since some of them are reset each step). */
+ alarm(2 * (10 + timer_nsteps));
+
#ifdef HAVE_SYS_SELECT_H
while (1) {
osmo_select_main(0);