init: hopefully fix "rebooting" in containers

function                                             old     new   delta
pause_and_low_level_reboot                            48      57      +9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/init/init.c b/init/init.c
index 6439e2bcd..fde35f6b6 100644
--- a/init/init.c
+++ b/init/init.c
@@ -752,8 +752,13 @@ static void pause_and_low_level_reboot(unsigned magic)
                 reboot(magic);
                 _exit(EXIT_SUCCESS);
         }
-        while (1)
-                sleep(1);
+        /* Used to have "while (1) sleep(1)" here.
+         * However, in containers reboot() call is ignored, and with that loop
+         * we would eternally sleep here - not what we want.
+         */
+        waitpid(pid, NULL, 0);
+        sleep(1); /* paranoia */
+        _exit(EXIT_SUCCESS);
 }
 
 static void run_shutdown_and_kill_processes(void)