send SIGHUP to children if tar failed

2 years ago · ff2910a746
parent 0da6f103a1
commit ff2910a746
1 changed files with 5 additions and 0 deletions
--- a/5
+++ b/5
@ -5763,7 +5763,12 @@ sub main() {
        if ($@) {
            # we cannot die here because that would leave the other thread
            # running without a parent
+            # We send SIGHUP to all our processes (including eventually
+            # running tar and this process itself) to reliably tear down
+            # all running child processes. The main process is not affected
+            # because we are ignoring SIGHUP.
            warning "creating tarball failed: $@";
+            kill HUP => -getpgrp();
            $exitstatus = 1;
        }
    } else {