utils-jbus: handles EINTR

Change-Id: If89cc876dee54f21402cd7989ca43d0d91dd8f92
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

diff --git a/src/utils-jbus.c b/src/utils-jbus.c
index 1f85a4c..7000009 100644 (file)
--- a/src/utils-jbus.c
+++ b/src/utils-jbus.c
@@ -691,9 +691,14 @@ int jbus_read_write_dispatch_multiple(struct jbus **jbuses, int njbuses, int tom
 
        r = jbus_dispatch_multiple(jbuses, njbuses, maxcount);
        n = jbus_fill_pollfds(jbuses, njbuses, fds);
-       s = poll(fds, n, toms);
-       if (s < 0)
-               return r ? r : s;
+       for(;;) {
+               s = poll(fds, n, toms);
+               if (s >= 0)
+                       break;
+               if (errno != EINTR)
+                       return r ? r : s;
+               toms = 0;
+       }
        n = jbus_dispatch_pollfds(jbuses, njbuses, fds, maxcount - r);
        return n >= 0 ? r + n : r ? r : n;
 }