Fix bug in health checking. PostgreSQL failure could not be detected.

diff --git a/main.c b/main.c
index 490cb72eb9bebfebdf9ef116b0e2cb690bf7cddf..dc5a6d491a7445ec06df4b8a69ae280cf73bcc77 100644 (file)
--- a/main.c
+++ b/main.c
@@ -295,10 +295,11 @@ int main(int argc, char **argv)
                        /*
                         * do actual health check. trying to connect to the backend
                         */
+                       errno = 0;
                        health_check_timer_expired = 0;
                        sts = health_check();
 
-                       if (health_check_timer_expired)
+                       if (errno != EINTR || (errno == EINTR && health_check_timer_expired))
                        {
                                if (sts == -1)
                                {