libbe: Fixed current_team() to work after a fork.

* This allows to start a valid looper in the forked child, for example.

headers/private/app/AppMisc.h

@@ -25,6 +25,7 @@ status_t get_app_ref(team_id team, entry_ref *ref, bool traverse = true);
 status_t get_app_ref(entry_ref *ref, bool traverse = true);
 
 team_id current_team();
+void init_team_after_fork();
 thread_id main_thread_for(team_id team);
 
 bool is_app_showing_modal_window(team_id team);

src/kits/app/AppMisc.cpp

@@ -25,6 +25,9 @@
 namespace BPrivate {
 
 
+static team_id sCurrentTeam = -1;
+
+
 /*!	\brief Returns the path to an application's executable.
 	\param team The application's team ID.
 	\param buffer A pointer to a pre-allocated character array of at least
@@ -123,13 +126,19 @@ get_app_ref(entry_ref *ref, bool traverse)
 team_id
 current_team()
 {
-	static team_id team = -1;
-	if (team < 0) {
+	if (sCurrentTeam < 0) {
 		thread_info info;
 		if (get_thread_info(find_thread(NULL), &info) == B_OK)
-			team = info.team;
+			sCurrentTeam = info.team;
 	}
-	return team;
+	return sCurrentTeam;
+}
+
+
+void
+init_team_after_fork()
+{
+	sCurrentTeam = -1;
 }
 
 
@@ -147,7 +156,7 @@ main_thread_for(team_id team)
 	// a team info to verify the existence of the team.
 	team_info info;
 	status_t error = get_team_info(team, &info);
-	return (error == B_OK ? team : error);
+	return error == B_OK ? team : error;
 }
 
 

src/kits/app/InitTerminateLibBe.cpp

@@ -12,6 +12,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include <AppMisc.h>
 #include <LooperList.h>
 #include <MessagePrivate.h>
 #include <RosterPrivate.h>
@@ -35,6 +36,7 @@ initialize_forked_child()
 	BMessage::Private::StaticReInitForkedChild();
 	BPrivate::gLooperList.InitAfterFork();
 	BPrivate::gDefaultTokens.InitAfterFork();
+	BPrivate::init_team_after_fork();
 
 	DBG(OUT("initialize_forked_child() done\n"));
 }