From 7120d0c1a4d9210d3ec90d654a5125c94963c090 Mon Sep 17 00:00:00 2001
From: Nikita Smith <git.nikita.smith@gmail.com>
Date: Thu, 19 Jun 2025 21:53:21 -0700
Subject: [PATCH] share memory mapped files

---
 src/linker/lnk_io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/linker/lnk_io.c b/src/linker/lnk_io.c
index 1ff236be..f3513117 100644
--- a/src/linker/lnk_io.c
+++ b/src/linker/lnk_io.c
@@ -216,7 +216,7 @@ THREAD_POOL_TASK_FUNC(lnk_memory_map_file_task)
 #if OS_WINDOWS
   Temp scratch = scratch_begin(&arena, 1);
   String16 path16      = str16_from_8(scratch.arena, task->path_arr.v[task_id]);
-  HANDLE   file_handle = CreateFileW(path16.str, GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+  HANDLE   file_handle = CreateFileW(path16.str, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
   if (file_handle != INVALID_HANDLE_VALUE) {
     HANDLE mapping_handle = CreateFileMappingA(file_handle, 0, PAGE_WRITECOPY, 0, 0, 0);
     if (mapping_handle != INVALID_HANDLE_VALUE) {