add safe_logger, and prepare for logical operators

1 files changed, 3 insertions, 0 deletions

diff --git a/include/handler.h b/include/handler.h
index 100c548..8878eec 100644
--- a/include/handler.h
+++ b/include/handler.h
@@ -9,6 +9,7 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <errno.h>
+#include <atomic>
 
 #include "all.h"
 
@@ -22,6 +23,8 @@ extern sigset_t
     block_job,
     block_io;
 
+inline std::atomic_int exit_code, exit_required_pid;
+
 void signal_init();
 handler_t *Signal(int signum, handler_t *handler);
 void sigchld_handler(int sig);