pipe_mtime        216 kern/sys_pipe.c 	cpipe->pipe_mtime = cpipe->pipe_ctime;
pipe_mtime        592 kern/sys_pipe.c 		nanotime(&wpipe->pipe_mtime);
pipe_mtime        687 kern/sys_pipe.c 	ub->st_mtimespec = pipe->pipe_mtime;
pipe_mtime         78 sys/pipe.h     	struct	timespec pipe_mtime;	/* time of last modify */