Fix typos in annotations.

examples/echo_client/echo_client.cpp

@@ -113,7 +113,7 @@ public:
 protected:
 	//msg handling
 #ifdef ASCS_SYNC_DISPATCH
-	//do not hold msg_can for further using, return from on_msg as quickly as possible
+	//do not hold msg_can for further usage, return from on_msg as quickly as possible
 	//access msg_can freely within this callback, it's always thread safe.
 	virtual size_t on_msg(std::list<out_msg_type>& msg_can)
 	{
@@ -129,7 +129,7 @@ protected:
 	}
 #endif
 #ifdef ASCS_DISPATCH_BATCH_MSG
-	//do not hold msg_can for further using, access msg_can and return from on_msg_handle as quickly as possible
+	//do not hold msg_can for further usage, access msg_can and return from on_msg_handle as quickly as possible
 	//can only access msg_can via functions that marked as 'thread safe', if you used non-lock queue, its your responsibility to guarantee
 	// that new messages will not come until we returned from this callback (for example, pingpong test).
 	virtual size_t on_msg_handle(out_queue_type& msg_can)

examples/echo_server/echo_server.cpp

@@ -92,7 +92,7 @@ public:
 public:
 	//because we use objects pool(REUSE_OBJECT been defined), so, strictly speaking, this virtual
 	//function must be rewrote, but we don't have member variables to initialize but invoke father's
-	//reset() directly, so, it can be omitted, but we keep it for possibly future using
+	//reset() directly, so, it can be omitted, but we keep it for the possibility of using it in the future
 	virtual void reset() {super::reset();}
 
 protected:
@@ -106,7 +106,7 @@ protected:
 
 	//msg handling: send the original msg back(echo server)
 #ifdef ASCS_SYNC_DISPATCH //do not open this feature
-	//do not hold msg_can for further using, return from on_msg as quickly as possible
+	//do not hold msg_can for further usage, return from on_msg as quickly as possible
 	//access msg_can freely within this callback, it's always thread safe.
 	virtual size_t on_msg(std::list<out_msg_type>& msg_can)
 	{
@@ -129,7 +129,7 @@ protected:
 #endif
 
 #ifdef ASCS_DISPATCH_BATCH_MSG
-	//do not hold msg_can for further using, access msg_can and return from on_msg_handle as quickly as possible
+	//do not hold msg_can for further usage, access msg_can and return from on_msg_handle as quickly as possible
 	//can only access msg_can via functions that marked as 'thread safe', if you used non-lock queue, its your responsibility to guarantee
 	// that new messages will not come until we returned from this callback (for example, pingpong test).
 	virtual size_t on_msg_handle(out_queue_type& msg_can)
@@ -202,13 +202,13 @@ public:
 protected:
 	//msg handling
 #ifdef ASCS_SYNC_DISPATCH
-	//do not hold msg_can for further using, return from on_msg as quickly as possible
+	//do not hold msg_can for further usage, return from on_msg as quickly as possible
 	//access msg_can freely within this callback, it's always thread safe.
 	virtual size_t on_msg(std::list<out_msg_type>& msg_can) {auto re = super::on_msg(msg_can); force_shutdown(); return re;}
 #endif
 
 #ifdef ASCS_DISPATCH_BATCH_MSG
-	//do not hold msg_can for further using, access msg_can and return from on_msg_handle as quickly as possible
+	//do not hold msg_can for further usage, access msg_can and return from on_msg_handle as quickly as possible
 	//can only access msg_can via functions that marked as 'thread safe', if you used non-lock queue, its your responsibility to guarantee
 	// that new messages will not come until we returned from this callback (for example, pingpong test).
 	virtual size_t on_msg_handle(out_queue_type& msg_can) {auto re = super::on_msg_handle(msg_can); force_shutdown(); return re;}

examples/file_server/file_socket.h

@@ -16,7 +16,7 @@ public:
 
 public:
 	//because we don't use objects pool(we don't defined ASCS_REUSE_OBJECT), so this virtual function will
-	//not be invoked, and can be omitted, but we keep it for possibly future using
+	//not be invoked, and can be omitted, but we keep it for the possibility of using it in the future
 	virtual void reset();
 	virtual void take_over(std::shared_ptr<file_socket> socket_ptr);
 

examples/pingpong_client/pingpong_client.cpp

@@ -50,7 +50,7 @@ protected:
 	virtual void on_connect() {asio::ip::tcp::no_delay option(true); lowest_layer().set_option(option); client_socket::on_connect();}
 
 	//msg handling, must define macro ASCS_SYNC_DISPATCH
-	//do not hold msg_can for further using, access msg_can and return from on_msg as quickly as possible
+	//do not hold msg_can for further usage, access msg_can and return from on_msg as quickly as possible
 	//access msg_can freely within this callback, it's always thread safe.
 	virtual size_t on_msg(std::list<out_msg_type>& msg_can)
 	{

examples/pingpong_server/pingpong_server.cpp

@@ -30,7 +30,7 @@ public:
 
 protected:
 	//msg handling: send the original msg back (echo server), must define macro ASCS_SYNC_DISPATCH
-	//do not hold msg_can for further using, access msg_can and return from on_msg as quickly as possible
+	//do not hold msg_can for further usage, access msg_can and return from on_msg as quickly as possible
 	//access msg_can freely within this callback, it's always thread safe.
 	virtual size_t on_msg(std::list<out_msg_type>& msg_can)
 	{

include/ascs/object_pool.h

@@ -328,7 +328,7 @@ public:
 			//	//in this function without unique() checking.
 			//	socket_ptr->set_timer(...);
 			//}
-			//then in the future, when invoking the timer handler, the socket has been freed and it's this pointer already became wild.
+			//then in the future, when invoke the timer handler, the socket has been freed and its this pointer already became wild.
 			if ((*iter).unique() && (*iter)->obsoleted())
 			{
 				--num;

include/ascs/tcp/socket.h

@@ -224,7 +224,7 @@ protected:
 	//generally, you don't have to rewrite this to maintain the status of connections
 	//msg_can contains messages that were failed to send and tcp::socket_base will not hold them any more, if you want to re-send them in the future,
 	// you must take over them and re-send (at any time) them via direct_send_msg.
-	//DO NOT hold msg_can for future using, just swap its content with your own container in this virtual function.
+	//DO NOT hold msg_can for further usage, just swap its content with your own container in this virtual function.
 	virtual void on_send_error(const asio::error_code& ec, typename super::in_container_type& msg_can)
 		{unified_out::error_out(ASCS_LLF " send msg error (%d %s)", this->id(), ec.value(), ec.message().data());}
 

include/ascs/udp/socket.h

@@ -199,7 +199,7 @@ protected:
 
 	//msg was failed to send and udp::generic_socket will not hold it any more, if you want to re-send it in the future,
 	// you must take over it and re-send (at any time) it via direct_send_msg.
-	//DO NOT hold msg for future using, just swap its content with your own message in this virtual function.
+	//DO NOT hold msg for further usage, just swap its content with your own message in this virtual function.
 	virtual void on_send_error(const asio::error_code& ec, typename super::in_msg& msg)
 		{unified_out::error_out(ASCS_LLF " send msg error (%d %s)", this->id(), ec.value(), ec.message().data());}