Ignore SIGTTIN and SIGTTOU coming from detached proxies.

rr-debugger · Nov 29, 2024 · 59f1b7e · 59f1b7e
1 parent 01fcca2
commit 59f1b7e
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/src/Task.cc b/src/Task.cc
@@ -2261,9 +2261,21 @@ static bool simulate_transient_error(Task* t) {
   return true;
 }
 
+static bool ignore_signal_for_detached_proxy(int sig) {
+  switch (sig) {
+    case SIGSTOP:
+    case SIGCONT:
+    case SIGTTIN:
+    case SIGTTOU:
+      return true;
+    default:
+      return false;
+  }
+}
+
 bool Task::did_waitpid(WaitStatus status) {
   if (is_detached_proxy() &&
-      (status.stop_sig() == SIGSTOP || status.stop_sig() == SIGCONT)) {
+      ignore_signal_for_detached_proxy(status.stop_sig())) {
     LOG(debug) << "Task " << tid << " is a detached proxy, ignoring status " << status;
     return true;
   }