add IPC errors && fix build errors

src/IPC/IPC_msg.c

@@ -147,7 +147,7 @@ static const luaL_Reg syscalls_IPC_msg_m[] = {
 	{NULL, NULL}
 };
 
-struct registers* syscalls_pushIPC_msg(lua_State* L, size_t dataLen)
+ksys_ipc_msg* syscalls_pushIPC_msg(lua_State* L, size_t dataLen)
 {
 	DEBUG_LINE("push IPC_msg entry");
 

src/IPC/IPC_msg.h

@@ -7,9 +7,7 @@
 #define syscalls_IPC_msg_metatable_name "syscalls IPC_msg metatable"
 #define syscalls_IPC_msg_name "IPC_msg"
 
-int syscalls_newIPC_msg(lua_State* L);
-
-ksys_colors_table_t* syscalls_pushIPC_msg(lua_State* L);
+ksys_ipc_msg* syscalls_pushIPC_msg(lua_State* L, size_t dataLen);
 
 /**
  * Register SystemColors lib

src/IPC/ipc.h

@@ -9,10 +9,24 @@ enum SendIPCErrors
 	BufferNotDefined = 1,
 	BufferLocked = 2,
 	BufferOverflow = 3,
-	PidNotExist = 4
+	PIDNotExist = 4
 };
 
 int syscalls_DefineIPCBuffer(lua_State* L);
 int syscalls_SendIPCMessage(lua_State* L);
 
+
+inline void syscalls_push_IPC_errors(lua_State* L)
+{
+	lua_createtable(L, 0, 5);
+
+	LUA_PUSH_INTEGER_FIELD(L, Ok, "Ok");
+	LUA_PUSH_INTEGER_FIELD(L, BufferLocked, "BufferLocked");
+	LUA_PUSH_INTEGER_FIELD(L, BufferNotDefined, "BufferNotDefined");
+	LUA_PUSH_INTEGER_FIELD(L, BufferOverflow, "BufferOverflow");
+	LUA_PUSH_INTEGER_FIELD(L, PIDNotExist, "PIDNotExist");
+
+	lua_setfield(L, -2, "IPCError");
+}
+
 #endif // __IPC_H__

src/syscalls.c

@@ -1629,6 +1629,7 @@ static const luaL_Reg syscallsLib[] = {
 	{ "Done", syscalls_Done },
 	{ "DefineBreakpoint", syscalls_DefineBreakpoint },
 	{ "UndefBreakpoint", syscalls_UndefBreakpoint },
+	/* IPC */
 	{ "DefineIPCBuffer", syscalls_DefineIPCBuffer },
 	{ "SendIPCMessage", syscalls_SendIPCMessage },
 	{ NULL, NULL }
@@ -1788,6 +1789,7 @@ LUALIB_API int luaopen_syscalls(lua_State* L)
 	syscalls_push_connectionStatus(L);
 	syscalls_push_graphic(L);
 	syscalls_register_IPC_msg(L);
+	syscalls_push_IPC_errors(L);
 
 	syscalls_register_ARPEntry(L);
 	syscalls_register_SystemColors(L);