From 61d5df6e6d5c01bc625d5f23aae60a7c253ff039 Mon Sep 17 00:00:00 2001
From: hsfzxjy <hsfzxjy@gmail.com>
Date: Sun, 20 Jul 2025 00:56:32 +0800
Subject: [PATCH] DeduplicateStdioHandles() should inherit

The duplicated handles in DeduplicateStdioHandles() should
be inheritable. Otherwise sys_fork_nt_parent() will pass
non-inheritable handles to CreateProcess().
---
 libc/runtime/winmain.greg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libc/runtime/winmain.greg.c b/libc/runtime/winmain.greg.c
index 640314f93..f160ec9b7 100644
--- a/libc/runtime/winmain.greg.c
+++ b/libc/runtime/winmain.greg.c
@@ -147,7 +147,7 @@ abi static void DeduplicateStdioHandles(void) {
       int64_t h2 = __imp_GetStdHandle(kNtStdio[j]);
       if (h1 == h2) {
         int64_t h3;
-        __imp_DuplicateHandle(-1, h2, -1, &h3, 0, false,
+        __imp_DuplicateHandle(-1, h2, -1, &h3, 0, true,
                               kNtDuplicateSameAccess);
         __imp_SetStdHandle(kNtStdio[j], h3);
       }