init: panic on child exit status !=0

also: modify log to exit status 0 on panic instead of 1 (only runs exit
on panicmode respawn which shouldn't cause a fatal termination)

2 files changed, 4 insertions, 1 deletions

diff --git a/init/init.c b/init/init.c
index fa0e32f..e82a504 100644
--- a/init/init.c
+++ b/init/init.c
@@ -110,6 +110,9 @@ int main(void)
                 if(subsystem_handle_term(process) > 0)
                     print(LOG_WARNING "init: failed to reap process %d",
                             process);
+            if(siginfo.si_status != 0) {
+                panic("init: process %d exited with non-zero status (%d)", siginfo.si_status);
+            }
         }
     }
 
diff --git a/init/log.c b/init/log.c
index 4fe748e..a3d0a7a 100644
--- a/init/log.c
+++ b/init/log.c
@@ -185,7 +185,7 @@ void _panic(const char *fileorigin,
     if(pid != mainpid && mode == PANICMODE_RESPAWN) {
         /* we want to let the main process handle the rest */
         subsystem_change_mode(pid, mode);
-        syscall(SYS_exit_group, 1);
+        syscall(SYS_exit_group, 0);
     }
 }