add safe_logger, and prepare for logical operators

2 files changed, 8 insertions, 0 deletions

diff --git a/src/eval.cc b/src/eval.cc
index becad3b..9c0210d 100644
--- a/src/eval.cc
+++ b/src/eval.cc
@@ -21,6 +21,7 @@
 #include "lexer/token.h"
 #include "lexer/enum_type.h"
 #include "lexer/symbol_property.h"
+#include "handler.h"
 
 using namespace std;
 
@@ -102,6 +103,8 @@ int eval_exe(string s, bool is_aync)
 
     // parent
 
+    exit_required_pid = pid;
+
     if (!is_aync)  // foreground
     {   
         addjob(pid, FG, cmdline); 
diff --git a/src/handler.cc b/src/handler.cc
index 5850141..f611784 100644
--- a/src/handler.cc
+++ b/src/handler.cc
@@ -114,6 +114,11 @@ void sigchld_handler([[maybe_unused]] int sig)
             if (WIFEXITED(status))
             {
                 safe_output("Exit code: ", WEXITSTATUS(status), "\n");
+                if (pid == exit_required_pid)
+                {
+                    exit_code = WEXITSTATUS(status);
+                    safe_logger("sigchld_handler: required PID detected: ", pid, "\n");
+                }
             }
         }
     }