svn -> git Migration

EMuShareMem/MMFMutex.h

@@ -0,0 +1,43 @@
+#ifndef MMFMUTEX_H
+#define MMFMUTEX_H
+#ifndef WIN32
+#include <sys/types.h> // moved before sys/shm.h for freeBSD
+#include <sys/shm.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <semaphore.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <assert.h>
+#include "../common/types.h"
+
+#include "MMF.h"
+
+// the manuals say you have to define this struct your self. 
+#if !defined FREEBSD || defined __NetBSD__  // for BSDs
+union semun
+{
+    int val;
+    struct semid_ds* buf;
+    unsigned short int *array;
+    struct seminfo *__buf;
+};
+#endif  // for freeBSD
+
+class MMFMutex
+ {
+    public:
+        MMFMutex(int iIndex);
+        virtual ~MMFMutex();
+        bool Lock( uint32 dwTimeout = 0 );
+        void Release(const MMF*);
+    
+    protected:
+        int m_id; 
+        key_t m_key; 
+        pthread_t m_owner;
+        sem_t m_semaphore;
+        int m_recursive_count;
+};
+#endif //!WIN32
+#endif