o Minor code cleanup

kernel/exit.c

@@ -331,7 +331,7 @@ static bool reap_if_zombie(struct task *task, struct siginfo_ *info_out, struct
 
 
 static bool notify_if_stopped(struct task *task, struct siginfo_ *info_out) {
-    complex_lockt(&task->group->lock, 0);
+    lock(&task->group->lock, 0);
     bool stopped = task->group->stopped;
     unlock(&task->group->lock);
     if (!stopped || task->group->group_exit_code == 0)

kernel/signal.c

@@ -738,7 +738,7 @@ static int kill_group(pid_t_ pgid, dword_t sig) {
     }
     struct tgroup *tgroup;
     int err = _EPERM;
-    struct task* foo = current; // Debugging
+    //struct task* foo = current; // Debugging
     while((task_ref_cnt_get(current, 0) > 1) || (locks_held_count(current))) { // Wait for now, task is in one or more critical sections, and/or has locks
         nanosleep(&lock_pause, NULL);
     }

kernel/task.c

@@ -328,7 +328,6 @@ void task_run_current(void) {
 }
 
 static void *task_thread(void *task) {
-
     current = task;
 
     update_thread_name();

util/sync.h

@@ -83,10 +83,6 @@ static inline void sigunwind_end(void) {
 void cond_init(cond_t *cond);
 void cond_destroy(cond_t *cond);
 //static bool is_signal_pending(lock_t *lock); // Not used externally to sync.c, doesn't eneed to be exposed
-int wait_for(cond_t *cond, lock_t *lock, struct timespec *timeout);
-int wait_for_ignore_signals(cond_t *cond, lock_t *lock, struct timespec *timeout);
-void notify(cond_t *cond);
-void notify_once(cond_t *cond);
 void sigusr1_handler(int sig);
 bool current_is_valid(void);