use nested class in pimpl

include/ipc.h

@@ -16,7 +16,6 @@ IPC_EXPORT void     disconnect(handle_t h);
 IPC_EXPORT bool                send(handle_t h, void* data, int size);
 IPC_EXPORT std::vector<byte_t> recv(handle_t h);
 
-class channel_;
 class IPC_EXPORT channel {
 public:
     channel(void);
@@ -29,7 +28,7 @@ public:
     channel& operator=(channel rhs);
 
 private:
-    friend class channel_;
+    class channel_;
     channel_* p_;
 };
 

include/shm.h

@@ -15,7 +15,6 @@ IPC_EXPORT void     release(handle_t h, std::size_t size);
 IPC_EXPORT void*    open   (handle_t h);
 IPC_EXPORT void     close  (void* mem);
 
-class handle_;
 class IPC_EXPORT handle {
 public:
     handle(void);
@@ -38,7 +37,7 @@ public:
     void  close(void);
 
 private:
-    friend class handle_;
+    class handle_;
     handle_* p_;
 };
 

src/ipc.cpp

@@ -136,7 +136,7 @@ std::vector<byte_t> recv(handle_t h) {
     } while(1);
 }
 
-class channel_ {
+class channel::channel_ {
 public:
 };
 

src/shm.cpp

@@ -5,7 +5,7 @@
 namespace ipc {
 namespace shm {
 
-class handle_ {
+class handle::handle_ {
 public:
     handle*  t_ = nullptr;
     handle_t h_ = nullptr;