From 90aaac9dba1a20a9314db59dc82af61bc0b4a912 Mon Sep 17 00:00:00 2001
From: qorexdevs <sanenkosana600@gmail.com>
Date: Thu, 23 Apr 2026 18:41:06 +0500
Subject: [PATCH] Replace realloc with std::vector in IOThreadProc

The raw realloc calls in Process::IOThreadProc() are replaced with
std::vector, which handles resizing and cleanup automatically.
Also fixes a minor memory leak since the old pointers were never freed.

refs #10813
---
 AUTHORS              |  1 +
 lib/base/process.cpp | 16 ++++++++--------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/AUTHORS b/AUTHORS
index 32938a9800a..55abc4fbc5d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -249,6 +249,7 @@ Phil Hutchinson <phil@volumedia.co.uk>
 Philipp Dallig <philipp.dallig@gmail.com>
 Philipp Dorschner <philipp.dorschner@netways.de>
 pv2b <pvz@pvz.pp.se>
+qorexdevs <sanenkosana600@gmail.com>
 Ralph Breier <ralph.breier@roedl.com>
 Reto Zeder <reto.zeder@arcade.ch>
 Ricardo Bartels <ricardo@bitchbrothers.com>
diff --git a/lib/base/process.cpp b/lib/base/process.cpp
index e2b8922c8ab..eb40b1a0fd5 100644
--- a/lib/base/process.cpp
+++ b/lib/base/process.cpp
@@ -597,10 +597,10 @@ bool Process::GetAdjustPriority() const
 void Process::IOThreadProc(int tid)
 {
 #ifdef _WIN32
-	HANDLE *handles = nullptr;
-	HANDLE *fhandles = nullptr;
+	std::vector<HANDLE> handles;
+	std::vector<HANDLE> fhandles;
 #else /* _WIN32 */
-	pollfd *pfds = nullptr;
+	std::vector<pollfd> pfds;
 #endif /* _WIN32 */
 	int count = 0;
 	double now;
@@ -617,13 +617,13 @@ void Process::IOThreadProc(int tid)
 
 			count = 1 + l_Processes[tid].size();
 #ifdef _WIN32
-			handles = reinterpret_cast<HANDLE *>(realloc(handles, sizeof(HANDLE) * count));
-			fhandles = reinterpret_cast<HANDLE *>(realloc(fhandles, sizeof(HANDLE) * count));
+			handles.resize(count);
+			fhandles.resize(count);
 
 			fhandles[0] = l_Events[tid];
 
 #else /* _WIN32 */
-			pfds = reinterpret_cast<pollfd *>(realloc(pfds, sizeof(pollfd) * count));
+			pfds.resize(count);
 
 			pfds[0].fd = l_EventFDs[tid][0];
 			pfds[0].events = POLLIN;
@@ -670,9 +670,9 @@ void Process::IOThreadProc(int tid)
 		timeout *= 1000;
 
 #ifdef _WIN32
-		DWORD rc = WaitForMultipleObjects(count, fhandles, FALSE, timeout == -1 ? INFINITE : static_cast<DWORD>(timeout));
+		DWORD rc = WaitForMultipleObjects(count, fhandles.data(), FALSE, timeout == -1 ? INFINITE : static_cast<DWORD>(timeout));
 #else /* _WIN32 */
-		int rc = poll(pfds, count, timeout);
+		int rc = poll(pfds.data(), count, timeout);
 
 		if (rc < 0)
 			continue;