Check that vgdb ptrace actions do not cause a EINTR or whatever

to go out of the select syscall

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14378

diff --git a/gdbserver_tests/sleepers.c b/gdbserver_tests/sleepers.c
index b74d3cabb4bd2608ac74141fedc9e4196bedc771..e06e0cd744807a121ff227ff134e9806a3be9cbb 100644 (file)
--- a/gdbserver_tests/sleepers.c
+++ b/gdbserver_tests/sleepers.c
@@ -71,7 +71,7 @@ static void *sleeper_or_burner(void *v)
 {
    int i = 0;
    struct spec* s = (struct spec*)v;
-
+   int ret;
    fprintf(stderr, "%s ready to sleep and/or burn\n", s->name);
    fflush (stderr);
    signal_ready();
@@ -81,7 +81,10 @@ static void *sleeper_or_burner(void *v)
       if (sleepms > 0 && s->sleep) {
          t[s->t].tv_sec = sleepms / 1000;
          t[s->t].tv_usec = (sleepms % 1000) * 1000;
-         select (0, NULL, NULL, NULL, &t[s->t]);
+         ret = select (0, NULL, NULL, NULL, &t[s->t]);
+         /* We only expect a timeout result from the above. */
+         if (ret != 0)
+            perror("unexpected result from select");
       }
       if (burn > 0 && s->burn)
          do_burn();