From ac43cd4f9cfb4f1c50d696f31979e6444140bb7d Mon Sep 17 00:00:00 2001
From: XMRig <support@xmrig.com>
Date: Tue, 4 Jun 2019 15:48:32 +0700
Subject: [PATCH] Added unprotectExecutableMemory for future use.

---
 src/crypto/common/VirtualMemory.h        | 1 +
 src/crypto/common/VirtualMemory_unix.cpp | 6 ++++++
 src/crypto/common/VirtualMemory_win.cpp  | 7 +++++++
 3 files changed, 14 insertions(+)

diff --git a/src/crypto/common/VirtualMemory.h b/src/crypto/common/VirtualMemory.h
index 262b732a6..e8acb017e 100644
--- a/src/crypto/common/VirtualMemory.h
+++ b/src/crypto/common/VirtualMemory.h
@@ -43,6 +43,7 @@ public:
     static void flushInstructionCache(void *p, size_t size);
     static void freeLargePagesMemory(void *p, size_t size);
     static void protectExecutableMemory(void *p, size_t size);
+    static void unprotectExecutableMemory(void *p, size_t size);
 };
 
 
diff --git a/src/crypto/common/VirtualMemory_unix.cpp b/src/crypto/common/VirtualMemory_unix.cpp
index 0297520a1..beac976d0 100644
--- a/src/crypto/common/VirtualMemory_unix.cpp
+++ b/src/crypto/common/VirtualMemory_unix.cpp
@@ -82,3 +82,9 @@ void xmrig::VirtualMemory::protectExecutableMemory(void *p, size_t size)
 {
     mprotect(p, size, PROT_READ | PROT_EXEC);
 }
+
+
+void xmrig::VirtualMemory::unprotectExecutableMemory(void *p, size_t size)
+{
+    mprotect(p, size, PROT_WRITE | PROT_EXEC);
+}
diff --git a/src/crypto/common/VirtualMemory_win.cpp b/src/crypto/common/VirtualMemory_win.cpp
index 43b02f38c..dd6be14f4 100644
--- a/src/crypto/common/VirtualMemory_win.cpp
+++ b/src/crypto/common/VirtualMemory_win.cpp
@@ -77,3 +77,10 @@ void xmrig::VirtualMemory::protectExecutableMemory(void *p, size_t size)
     DWORD oldProtect;
     VirtualProtect(p, size, PAGE_EXECUTE_READ, &oldProtect);
 }
+
+
+void xmrig::VirtualMemory::unprotectExecutableMemory(void *p, size_t size)
+{
+    DWORD oldProtect;
+    VirtualProtect(p, size, PAGE_EXECUTE_READWRITE, &oldProtect);
+}