* Added function team_init_exit_info_on_error() which initializes the team's

exit info with some generic status.
* team_create_thread_start(), common_thread_entry(): Initializes the team's
  exit info (if that's the main thread) before calling thread_exit(). Fixes
  #7686.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42183 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/team.h

@@ -36,6 +36,7 @@ char **user_team_get_arguments(void);
 int user_team_get_arg_count(void);
 struct job_control_entry* team_get_death_entry(Team *team,
 			thread_id child, bool* _deleteEntry);
+void team_init_exit_info_on_error(Team* team);
 bool team_is_valid(team_id id);
 Team *team_get_team_struct_locked(team_id id);
 int32 team_max_teams(void);

src/system/kernel/team.cpp

@@ -1577,6 +1577,7 @@ static status_t
 team_create_thread_start(void* args)
 {
 	team_create_thread_start_internal(args);
+	team_init_exit_info_on_error(thread_get_current_thread()->team);
 	thread_exit();
 		// does not return
 	return B_OK;
@@ -3243,6 +3244,27 @@ team_set_job_control_state(Team* team, job_control_state newState,
 }
 
 
+/*!	Inits the given team's exit information, if not yet initialized, to some
+	generic "killed" status.
+	The caller must not hold the team's lock. Interrupts must be enabled.
+
+	\param team The team whose exit info shall be initialized.
+*/
+void
+team_init_exit_info_on_error(Team* team)
+{
+	TeamLocker teamLocker(team);
+
+	if (!team->exit.initialized) {
+		team->exit.reason = CLD_KILLED;
+		team->exit.signal = SIGKILL;
+		team->exit.signaling_user = geteuid();
+		team->exit.status = 0;
+		team->exit.initialized = true;
+	}
+}
+
+
 /*! Adds a hook to the team that is called as soon as this team goes away.
 	This call might get public in the future.
 */

src/system/kernel/thread.cpp

@@ -721,6 +721,10 @@ common_thread_entry(void* _args)
 	if (args->enterUserland) {
 		enter_userspace(thread, (UserThreadEntryArguments*)args);
 			// only returns or error
+
+		// If that's the team's main thread, init the team exit info.
+		if (thread == thread->team->main_thread)
+			team_init_exit_info_on_error(thread->team);
 	}
 
 	// we're done