src/sys/kern/sys_pipe.c - diff

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version 1.52, 2004/03/03 21:35:52

version 1.53, 2004/03/03 22:00:34

Line 216 sys_pipe(l, v, retval)

register_t *retval;

{

struct file *rf, *wf;

struct pipe *rpipe = NULL, *wpipe = NULL;

struct pipe *rpipe, *wpipe;

int fd, error;

struct proc *p;

Line 323 pipe_create(pipep, allockva)

memset(pipe, 0, sizeof(struct pipe));

pipe->pipe_state = PIPE_SIGNALR;

if (allockva && (error = pipespace(pipe, PIPE_SIZE)))

return (error);

PIPE_TIMESTAMP(&pipe->pipe_ctime);

pipe->pipe_atime = pipe->pipe_ctime;

pipe->pipe_mtime = pipe->pipe_ctime;

simple_lock_init(&pipe->pipe_slock);

lockinit(&pipe->pipe_lock, PRIBIO | PCATCH, "pipelk", 0, 0);

if (allockva && (error = pipespace(pipe, PIPE_SIZE)))

return (error);

return (0);

}