1 files changed, 12 insertions, 1 deletions
diff --git a/src/syntax.h b/src/syntax.h
index 80ab067..07d5437 100644
--- a/src/syntax.h
+++ b/src/syntax.h
@@ -1,5 +1,6 @@
 # pragma once
 
+#include <unistd.h>
 #include "utils.h"
 
 
@@ -190,10 +191,20 @@ typedef struct {
 
 DECLARE_VEC(FdRedirect, FdRedirectVec)
 
+
+typedef struct {
+    int fd;
+    bool parent_proc_closable;
+    bool child_proc_closable;
+} Channel;
+
+static const Channel STDIN_CHA = {.fd = STDIN_FILENO, .parent_proc_closable = false, .child_proc_closable = false};
+static const Channel STDOUT_CHA = {.fd = STDOUT_FILENO, .parent_proc_closable = false, .child_proc_closable = false};
+
 typedef struct {
     char** args;
     FdRedirectVec redirects;
-    int stdin_fd, stdout_fd;
+    Channel read_cha, write_cha;
     IntVec parent_open_fds;
     IntVec child_open_fds;
 } ExecutableCommand;