From 4ed8088f9a98fa69526c08721087a942becc7545 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Sat, 20 Sep 2008 13:59:41 +0000
Subject: [PATCH] Added new debugger message B_DEBUGGER_MESSAGE_TEAM_EXEC, sent
 when exec*() has been called.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27650 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/os/kernel/debugger.h              |  8 ++++++++
 headers/private/kernel/user_debugger.h    |  1 +
 src/system/kernel/debug/user_debugger.cpp | 20 ++++++++++++++++++++
 src/system/kernel/team.cpp                |  2 ++
 4 files changed, 31 insertions(+)

diff --git a/headers/os/kernel/debugger.h b/headers/os/kernel/debugger.h
index ca180dd87a..15d58f39ed 100644
--- a/headers/os/kernel/debugger.h
+++ b/headers/os/kernel/debugger.h
@@ -166,6 +166,7 @@ typedef enum {
 	B_DEBUGGER_MESSAGE_TEAM_CREATED,		// the debugged team created a new
 											// one
 	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_DELETED,		// a thread has been deleted
 	B_DEBUGGER_MESSAGE_IMAGE_CREATED,		// an image has been created
@@ -510,6 +511,12 @@ typedef struct {
 									// (asynchronous message)
 } debug_team_deleted;
 
+// B_DEBUGGER_MESSAGE_TEAM_EXEC
+
+typedef struct {
+	debug_origin	origin;
+} debug_team_exec;
+
 // B_DEBUGGER_MESSAGE_THREAD_CREATED
 
 typedef struct {
@@ -575,6 +582,7 @@ typedef union {
 	debug_exception_occurred		exception_occurred;
 	debug_team_created				team_created;
 	debug_team_deleted				team_deleted;
+	debug_team_exec					team_exec;
 	debug_thread_created			thread_created;
 	debug_thread_deleted			thread_deleted;
 	debug_image_created				image_created;
diff --git a/headers/private/kernel/user_debugger.h b/headers/private/kernel/user_debugger.h
index ac34f10e27..bdd13f2e5c 100644
--- a/headers/private/kernel/user_debugger.h
+++ b/headers/private/kernel/user_debugger.h
@@ -195,6 +195,7 @@ bool user_debug_handle_signal(int signal, struct sigaction *handler,
 void user_debug_stop_thread();
 void user_debug_team_created(team_id teamID);
 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_deleted(team_id teamID, thread_id threadID);
diff --git a/src/system/kernel/debug/user_debugger.cpp b/src/system/kernel/debug/user_debugger.cpp
index a57b5a9b89..e969e7f132 100644
--- a/src/system/kernel/debug/user_debugger.cpp
+++ b/src/system/kernel/debug/user_debugger.cpp
@@ -884,6 +884,26 @@ user_debug_team_deleted(team_id teamID, port_id debuggerPort)
 }
 
 
+void
+user_debug_team_exec()
+{
+	// check, if a debugger is installed and is interested in team creation
+	// 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_TEAM_CREATION)) {
+		return;
+	}
+
+	// prepare the message
+	debug_team_created message;
+
+	thread_hit_debug_event(B_DEBUGGER_MESSAGE_TEAM_EXEC, &message,
+		sizeof(message), true);
+}
+
+
 void
 user_debug_update_new_thread_flags(thread_id threadID)
 {
diff --git a/src/system/kernel/team.cpp b/src/system/kernel/team.cpp
index f30b079ba0..68e56b0748 100644
--- a/src/system/kernel/team.cpp
+++ b/src/system/kernel/team.cpp
@@ -1363,6 +1363,8 @@ exec_team(const char *path, char**& _flatArgs, size_t flatArgsSize,
 	// permission.
 	update_set_id_user_and_group(team, path);
 
+	user_debug_team_exec();
+
 	status = team_create_thread_start(teamArgs);
 		// this one usually doesn't return...