xrGame: refactor get process ID on different platforms

Author: eagleivg

src/Common/PlatformLinux.inl

@@ -68,16 +68,7 @@ inline char* _strupr_l(char* str, locale_t loc)
 
 #define __except(X) catch(X)
 
-/*
-static inline long InterlockedExchange(volatile long* val, long new_val)
-{
-  long old_val;
-  do {
-    old_val = *val;
-  } while (__sync_val_compare_and_swap (val, old_val, new_val) != old_val);
-    return old_val;
-}
-*/
+#define GetCurrentProcessId getpid
 
 inline pthread_t GetCurrentThreadId()
 {

src/xrGame/xrServer.cpp

@@ -829,11 +829,8 @@ void xrServer::Server_Client_Check(IClient* CL)
     {
         return;
     };
-#ifdef LINUX
-    if (CL->process_id == getpid())
-#else
+
     if (CL->process_id == GetCurrentProcessId())
-#endif
     {
         CL->flags.bLocal = 1;
         SV_Client = (xrClientData*)CL;
@@ -988,11 +985,7 @@ void xrServer::create_direct_client()
     SClientConnectData cl_data;
     cl_data.clientID.set(1);
     xr_strcpy(cl_data.name, "single_player");
-#ifdef LINUX
-    cl_data.process_id = getpid();
-#else
     cl_data.process_id = GetCurrentProcessId();
-#endif
     new_client(&cl_data);
 }