Add support for thread rename and priority change notifications to the

debugger API/message set.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39846 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/kernel/debugger.h

@@ -180,6 +180,8 @@ typedef enum {
 	B_DEBUGGER_MESSAGE_TEAM_DELETED,		// the debugged team is gone
 	B_DEBUGGER_MESSAGE_TEAM_EXEC,			// the debugged team executes exec()
 	B_DEBUGGER_MESSAGE_THREAD_CREATED,		// a thread has been created
+	B_DEBUGGER_MESSAGE_THREAD_RENAMED,		// a thread has been renamed
+	B_DEBUGGER_MESSAGE_THREAD_PRIORITY_CHANGED,	// a thread has had its priority altered
 	B_DEBUGGER_MESSAGE_THREAD_DELETED,		// a thread has been deleted
 	B_DEBUGGER_MESSAGE_IMAGE_CREATED,		// an image has been created
 	B_DEBUGGER_MESSAGE_IMAGE_DELETED,		// an image has been deleted
@@ -545,9 +547,25 @@ typedef struct {
 
 typedef struct {
 	debug_origin	origin;			// the thread that created the new thread
-	team_id			new_thread;		// the newly created thread
+	thread_id		new_thread;		// the newly created thread
 } debug_thread_created;
 
+// B_DEBUGGER_MESSAGE_THREAD_RENAMED
+
+typedef struct {
+	debug_origin	origin;
+	thread_id		renamed_thread;	// the thread whose name has changed
+	char			name[B_OS_NAME_LENGTH];
+} debug_thread_renamed;
+
+// B_DEBUGGER_MESSAGE_THREAD_PRIORITY_CHANGED
+
+typedef struct {
+	debug_origin	origin;
+	thread_id		changed_thread; // the thread whose priority has changed
+	int32			new_priority;	// the new priority
+} debug_thread_priority_changed;
+
 // B_DEBUGGER_MESSAGE_THREAD_DELETED
 
 typedef struct {
@@ -619,6 +637,8 @@ typedef union {
 	debug_team_deleted				team_deleted;
 	debug_team_exec					team_exec;
 	debug_thread_created			thread_created;
+	debug_thread_renamed			thread_renamed;
+	debug_thread_priority_changed	thread_priority_changed;
 	debug_thread_deleted			thread_deleted;
 	debug_image_created				image_created;
 	debug_image_deleted				image_deleted;

headers/private/debug/DebugMessageHandler.h

@@ -42,6 +42,11 @@ public:
 									const debug_team_exec& message);
 	virtual	bool				HandleThreadCreated(
 									const debug_thread_created& message);
+	virtual bool				HandleThreadRenamed(
+									const debug_thread_renamed& message);
+	virtual bool				HandleThreadPriorityChanged(
+									const debug_thread_priority_changed&
+										message);
 	virtual	bool				HandleThreadDeleted(
 									const debug_thread_deleted& message);
 	virtual	bool				HandleImageCreated(

headers/private/kernel/user_debugger.h

@@ -234,6 +234,8 @@ void user_debug_team_deleted(team_id teamID, port_id debuggerPort);
 void user_debug_team_exec();
 void user_debug_update_new_thread_flags(thread_id threadID);
 void user_debug_thread_created(thread_id threadID);
+void user_debug_thread_renamed(thread_id threadID, const char* name);
+void user_debug_thread_priority_changed(thread_id threadID, int32 priority);
 void user_debug_thread_deleted(team_id teamID, thread_id threadID);
 void user_debug_thread_exiting(struct thread* thread);
 void user_debug_image_created(const image_info *imageInfo);

src/kits/debug/DebugMessageHandler.cpp

@@ -54,6 +54,8 @@ BDebugMessageHandler::HandleDebugMessage(int32 messageCode,
 			return HandleThreadCreated(message.thread_created);
 		case B_DEBUGGER_MESSAGE_THREAD_DELETED:
 			return HandleThreadDeleted(message.thread_deleted);
+		case B_DEBUGGER_MESSAGE_THREAD_RENAMED:
+			return HandleThreadRenamed(message.thread_renamed);
 		case B_DEBUGGER_MESSAGE_IMAGE_CREATED:
 			return HandleImageCreated(message.image_created);
 		case B_DEBUGGER_MESSAGE_IMAGE_DELETED:
@@ -173,6 +175,23 @@ BDebugMessageHandler::HandleThreadCreated(const debug_thread_created& message)
 }
 
 
+bool
+BDebugMessageHandler::HandleThreadRenamed(const debug_thread_renamed& message)
+{
+	return UnhandledDebugMessage(B_DEBUGGER_MESSAGE_THREAD_RENAMED,
+		(const debug_debugger_message_data&)message);
+}
+
+
+bool
+BDebugMessageHandler::HandleThreadPriorityChanged(
+	const debug_thread_priority_changed& message)
+{
+	return UnhandledDebugMessage(B_DEBUGGER_MESSAGE_THREAD_PRIORITY_CHANGED,
+		(const debug_debugger_message_data&)message);
+}
+
+
 bool
 BDebugMessageHandler::HandleThreadDeleted(const debug_thread_deleted& message)
 {

src/system/kernel/debug/user_debugger.cpp

@@ -1077,6 +1077,48 @@ user_debug_thread_created(thread_id threadID)
 }
 
 
+void
+user_debug_thread_renamed(thread_id threadID, const char *name)
+{
+	// check, if a debugger is installed and is interested in thread events
+	struct thread *thread = thread_get_current_thread();
+	int32 teamDebugFlags = atomic_get(&thread->team->debug_info.flags);
+	if (~teamDebugFlags
+		& (B_TEAM_DEBUG_DEBUGGER_INSTALLED | B_TEAM_DEBUG_THREADS)) {
+		return;
+	}
+
+	// prepare the message
+	debug_thread_renamed message;
+	message.renamed_thread = threadID;
+	strlcpy(message.name, name, sizeof(message.name));
+
+	thread_hit_debug_event(B_DEBUGGER_MESSAGE_THREAD_RENAMED, &message,
+		sizeof(message), true);
+}
+
+
+void
+user_debug_thread_priority_changed(thread_id threadID, int32 priority)
+{
+	// check, if a debugger is installed and is interested in thread events
+	struct thread *thread = thread_get_current_thread();
+	int32 teamDebugFlags = atomic_get(&thread->team->debug_info.flags);
+	if (~teamDebugFlags
+		& (B_TEAM_DEBUG_DEBUGGER_INSTALLED | B_TEAM_DEBUG_THREADS)) {
+		return;
+	}
+
+	// prepare the message
+	debug_thread_priority_changed message;
+	message.changed_thread = threadID;
+	message.new_priority = priority;
+
+	thread_hit_debug_event(B_DEBUGGER_MESSAGE_THREAD_PRIORITY_CHANGED, &message,
+		sizeof(message), true);
+}
+
+
 void
 user_debug_thread_deleted(team_id teamID, thread_id threadID)
 {

src/system/kernel/thread.cpp

@@ -2559,6 +2559,9 @@ rename_thread(thread_id id, const char *name)
 	RELEASE_THREAD_LOCK();
 	restore_interrupts(state);
 
+	if (status == B_OK)
+		user_debug_thread_renamed(id, name);
+
 	return status;
 }
 
@@ -2601,6 +2604,8 @@ set_thread_priority(thread_id id, int32 priority)
 		scheduler_set_thread_priority(thread, priority);
 	}
 
+	user_debug_thread_priority_changed(id, priority);
+
 	return oldPriority;
 }