sigqueue           78 include/linux/posix-timers.h 	struct sigqueue *sigq;		/* signal queue entry. */
sigqueue         2340 include/linux/sched.h extern struct sigqueue *sigqueue_alloc(void);
sigqueue         2341 include/linux/sched.h extern void sigqueue_free(struct sigqueue *);
sigqueue         2342 include/linux/sched.h extern int send_sigqueue(struct sigqueue *,  struct task_struct *, int group);