From 9401a4b9ad59274fbe221b33a381724d1ad4c397 Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui@live.cn>
Date: Mon, 10 Nov 2025 18:09:19 +0800
Subject: [PATCH] Processing: adds a missing header

---
 src/common/processing.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/common/processing.h b/src/common/processing.h
index fa9f8e503..7b9f373fd 100644
--- a/src/common/processing.h
+++ b/src/common/processing.h
@@ -2,6 +2,10 @@
 
 #include "util/FFstrbuf.h"
 
+#ifndef _WIN32
+#include <sys/types.h> // pid_t
+#endif
+
 typedef struct FFProcessHandle {
     #if _WIN32
     void* pid; // HANDLE