ping_receive_all(): Return immediately when select(2) is interrupted.

[liboping.git] / src / liboping.c

diff --git a/src/liboping.c b/src/liboping.c
index 74122a8..40a0ba2 100644 (file)
--- a/src/liboping.c
+++ b/src/liboping.c
@@ -637,6 +637,9 @@ static int ping_receive_one (pingobj_t *obj, const pinghost_t *ph,
        return (0);
 }
 
+/* Blocks until a packet was received from all hosts or the timeout is reached.
+ * When interrupted, (-EINTR) is returned. On error, -1 is returned. On
+ * success, returns zero. */
 static int ping_receive_all (pingobj_t *obj)
 {
        fd_set read_fds;
@@ -726,7 +729,8 @@ static int ping_receive_all (pingobj_t *obj)
                if ((status == -1) && (errno == EINTR))
                {
                        dprintf ("select was interrupted by signal..\n");
-                       continue;
+                       ping_set_errno (obj, EINTR);
+                       return (-EINTR);
                }
                else if (status < 0)
                {
@@ -764,7 +768,7 @@ static int ping_receive_all (pingobj_t *obj)
        } /* while (1) */
        
        return (ret);
-}
+} /* int ping_receive_all */
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * Sending functions:                                                        *
@@ -1328,18 +1332,13 @@ int ping_setopt (pingobj_t *obj, int option, void *value)
 
 int ping_send (pingobj_t *obj)
 {
-       int ret;
-
        if (obj == NULL)
                return (-1);
 
        if (ping_send_all (obj) < 0)
                return (-1);
 
-       if ((ret = ping_receive_all (obj)) < 0)
-               return (-2);
-
-       return (ret);
+       return (ping_receive_all (obj));
 }
 
 static pinghost_t *ping_host_search (pinghost_t *ph, const char *host)