From 8d54939b6a2a5f99115340fe5185dd06ef68b1b1 Mon Sep 17 00:00:00 2001
From: Javier Galan <javier.galan@unizar.es>
Date: Mon, 12 Dec 2022 12:08:02 +0100
Subject: [PATCH] TRestRawMemoryBufferToSignalProcess. Fixing MacOs compilation

---
 src/TRestRawMemoryBufferToSignalProcess.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/TRestRawMemoryBufferToSignalProcess.cxx b/src/TRestRawMemoryBufferToSignalProcess.cxx
index 614900a2..ad790732 100644
--- a/src/TRestRawMemoryBufferToSignalProcess.cxx
+++ b/src/TRestRawMemoryBufferToSignalProcess.cxx
@@ -113,6 +113,7 @@ using namespace std;
 #include <sys/shm.h>
 
 #if (defined(__GNU_LIBRARY__) && !defined(_SEM_SEMUN_UNDEFINED)) || __APPLE__
+#include <unistd.h>
 // The union is already defined in sys/sem.h
 #else
 union semun {