From e0380b0dd47ce72028019fba6d63558d145557db Mon Sep 17 00:00:00 2001
From: "Christoph M. Becker" <cmbecker69@gmx.de>
Date: Sun, 22 Sep 2024 15:28:40 +0200
Subject: [PATCH] Don't attempt to close a handle twice

This is pretty harmless, but still, when running e.g. gh14537.phpt with
a debugger attached we get a `C0000028` ("an invalid handle was
specified") error at

https://github.com/php/php-src/blob/27b3131422b53f9b37bba5235bc20610687fad2e/TSRM/tsrm_win32.c#L74
---
 TSRM/tsrm_win32.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/TSRM/tsrm_win32.c b/TSRM/tsrm_win32.c
index 52fbc95bbd457..4b8445542fce8 100644
--- a/TSRM/tsrm_win32.c
+++ b/TSRM/tsrm_win32.c
@@ -708,6 +708,7 @@ TSRM_API int shmget(key_t key, size_t size, int flags)
 	if (NULL != shm->descriptor && (shm->descriptor->shm_perm.key != key || size > shm->descriptor->shm_segsz)) {
 		if (NULL != shm->segment) {
 			CloseHandle(shm->segment);
+			shm->segment = INVALID_HANDLE_VALUE;
 		}
 		UnmapViewOfFile(shm->descriptor);
 		shm->descriptor = NULL;