From 2d7ceb4b433f15c2efc45183b27b0513fa963119 Mon Sep 17 00:00:00 2001
From: kamkow1 <kamkow256@gmail.com>
Date: Thu, 18 Sep 2025 23:31:16 +0200
Subject: [PATCH] Make subprocess inherit parent's pipe handles

---
 kernel/syscall/processctl.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/kernel/syscall/processctl.c b/kernel/syscall/processctl.c
index 326c9f9..049d5ec 100644
--- a/kernel/syscall/processctl.c
+++ b/kernel/syscall/processctl.c
@@ -9,6 +9,7 @@
 #include "path/path.h"
 #include "kprintf.h"
 #include "dlmalloc/malloc.h"
+#include "ipc/pipe/pipe.h"
 
 #define PCTL_MP_MAX 0xff
 #define PCTL_PATH_MAX VFS_PATH_MAX
@@ -66,6 +67,14 @@ int32_t SYSCALL5(sys_processctl, pid1, cmd1, arg1, arg2, arg3) {
         PROC_ARG(newproc, (*args)[i]);
       }
 
+      for (size_t i = 0; i < PROC_PIPEHANDLES_MAX; i++) {
+        if (newproc->pipes[i] != NULL) {
+          ipc_pipefree(newproc->pipes[i]);
+          dlfree(newproc->pipes[i]);
+        }
+        newproc->pipes[i] = proc->pipes[i];
+      }
+
       proc_register(newproc);
       ret = newproc->pid;
     } break;