From dda28efd6618d74df0c3def0d6a2d70a1cd33817 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 11 Jul 2022 20:47:57 +0530
Subject: [PATCH] Use the same signal to stop as stopped the child

---
 prewarm-launcher.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/prewarm-launcher.c b/prewarm-launcher.c
index 0eca3d43b..2c319f1c5 100644
--- a/prewarm-launcher.c
+++ b/prewarm-launcher.c
@@ -383,14 +383,18 @@ read_from_zygote(void) {
                     if (signum > 0) {
                         signal(signum, SIG_DFL);
                         cleanup();
-                        kill(getpid(), signum);
+                        raise(signum);
                         _exit(1);
                     }
                 } else if (WIFSTOPPED(child_exit_status)) {
                     child_state = CHILD_STOPPED;
+                    int signum = WSTOPSIG(child_exit_status);
                     safe_tcsetattr(self_ttyfd, TCSANOW, &restore_termios);
                     termios_needs_restore = false;
-                    kill(getpid(), SIGSTOP);
+                    struct sigaction defval = {.sa_handler = SIG_DFL}, original;
+                    sigaction(signum, &defval, &original);
+                    raise(signum);
+                    sigaction(signum, &original, NULL);
                     safe_tcsetattr(self_ttyfd, TCSANOW, &self_termios);
                     termios_needs_restore = true;
                     if (child_pid > 0) {