tree-wide: whenever we fork off a foreign child process reset signal mask/handlers

Also, when the child is potentially long-running make sure to set a
death signal.

Also, ignore the result of the reset operations explicitly by casting
them to (void).

1 files changed, 4 insertions, 0 deletions

diff --git a/src/login/inhibit.c b/src/login/inhibit.c
index 57cfb5d0b5..0e5dce5925 100644
--- a/src/login/inhibit.c
+++ b/src/login/inhibit.c
@@ -33,6 +33,7 @@
 #include "strv.h"
 #include "formats-util.h"
 #include "process-util.h"
+#include "signal-util.h"
 
 static const char* arg_what = "idle:sleep:shutdown";
 static const char* arg_who = NULL;
@@ -274,6 +275,9 @@ int main(int argc, char *argv[]) {
                 if (pid == 0) {
                         /* Child */
 
+                        (void) reset_all_signal_handlers();
+                        (void) reset_signal_mask();
+
                         close_all_fds(NULL, 0);
 
                         execvp(argv[optind], argv + optind);