exit_sem 17 include/linux/sem.h extern void exit_sem(struct task_struct *tsk); exit_sem 188 ipc/namespace.c exit_sem(current); exit_sem 794 kernel/exit.c exit_sem(tsk); exit_sem 2262 kernel/fork.c exit_sem(p); exit_sem 2869 kernel/fork.c exit_sem(current);