ctdb-daemon: Return negative status only if there are known errors

If event script does not exist or does not have execute permissions, then
return negative errno to distinguish from the exit errors of event script.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>

diff --git a/ctdb/server/ctdb_event_helper.c b/ctdb/server/ctdb_event_helper.c
index 4c62e41af631e9bc62452564c7087733037f64a5..ab1eae44091b19f822cdbd5483dd6ae7903f3740 100644 (file)
--- a/ctdb/server/ctdb_event_helper.c
+++ b/ctdb/server/ctdb_event_helper.c
@@ -127,7 +127,10 @@ int main(int argc, char *argv[])
 
        waitpid(pid, &status, 0);
        if (WIFEXITED(status)) {
-               output = -WEXITSTATUS(status);
+               output = WEXITSTATUS(status);
+               if (output == ENOENT || output == ENOEXEC) {
+                       output = -output;
+               }
                write(write_fd, &output, sizeof(output));
                exit(output);
        }