From 92efe426265df2263e6aba490a01d95db040ec52 Mon Sep 17 00:00:00 2001
From: Toni Wilen <twilen@winuae.net>
Date: Sun, 31 Jan 2016 15:43:53 +0200
Subject: [PATCH] Thread safe atomic operations.

---
 include/sysdeps.h     |  6 ++++++
 od-win32/posixemu.cpp | 25 +++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/include/sysdeps.h b/include/sysdeps.h
index 9d0f7de3..c95aed82 100644
--- a/include/sysdeps.h
+++ b/include/sysdeps.h
@@ -215,6 +215,12 @@ typedef uae_u32 uaecptr;
 #define UVAL64(a) (a ## ul)
 #endif
 
+void atomic_and(volatile uae_atomic *p, uae_u32 v);
+void atomic_or(volatile uae_atomic *p, uae_u32 v);
+uae_atomic atomic_inc(volatile uae_atomic *p);
+uae_atomic atomic_dec(volatile uae_atomic *p);
+uae_u32 atomic_bit_test_and_reset(volatile uae_atomic *p, uae_u32 v);
+
 #ifdef HAVE_STRDUP
 #define my_strdup _tcsdup
 #else
diff --git a/od-win32/posixemu.cpp b/od-win32/posixemu.cpp
index 6b889526..30163179 100644
--- a/od-win32/posixemu.cpp
+++ b/od-win32/posixemu.cpp
@@ -243,4 +243,29 @@ void uae_set_thread_priority (uae_thread_id *tid, int pri)
 	}
 }
 
+void atomic_and(volatile uae_atomic *p, uae_u32 v)
+{
+	_InterlockedAnd(p, v);
+}
+void atomic_or(volatile uae_atomic *p, uae_u32 v)
+{
+	_InterlockedOr(p, v);
+}
+void atomic_set(volatile uae_atomic *p, uae_u32 v)
+{
+}
+uae_atomic atomic_inc(volatile uae_atomic *p)
+{
+	return _InterlockedIncrement(p);
+}
+uae_atomic atomic_dec(volatile uae_atomic *p)
+{
+	return _InterlockedDecrement(p);
+}
+
+uae_u32 atomic_bit_test_and_reset(volatile uae_atomic *p, uae_u32 v)
+{
+	return _interlockedbittestandreset(p, v);
+}
 #endif
+
-- 
2.47.3