bool io_timeout_(struct io_conn *conn, struct timespec ts,
struct io_plan (*cb)(struct io_conn *, void *), void *arg)
{
+ assert(cb);
+
if (!conn->timeout) {
conn->timeout = malloc(sizeof(*conn->timeout));
if (!conn->timeout)
{
struct io_plan plan;
+ assert(cb);
plan.u.write.buf = data;
plan.u.write.len = len;
plan.io = do_write;
plan.next = cb;
plan.next_arg = arg;
plan.pollflag = POLLOUT;
- plan.state = IO_IO;
return plan;
}
{
struct io_plan plan;
+ assert(cb);
plan.u.read.buf = data;
plan.u.read.len = len;
plan.io = do_read;
plan.next = cb;
plan.next_arg = arg;
plan.pollflag = POLLIN;
- plan.state = IO_IO;
return plan;
}
{
struct io_plan plan;
+ assert(cb);
plan.u.readpart.buf = data;
plan.u.readpart.lenp = len;
plan.io = do_read_partial;
plan.next = cb;
plan.next_arg = arg;
plan.pollflag = POLLIN;
- plan.state = IO_IO;
return plan;
}
{
struct io_plan plan;
+ assert(cb);
plan.u.writepart.buf = data;
plan.u.writepart.lenp = len;
plan.io = do_write_partial;
plan.next = cb;
plan.next_arg = arg;
plan.pollflag = POLLOUT;
- plan.state = IO_IO;
return plan;
}
struct io_plan plan;
plan.pollflag = 0;
- plan.state = IO_IDLE;
+ plan.io = NULL;
+ /* Never called (overridded by io_wake), but NULL means closing */
+ plan.next = io_close;
return plan;
}
void io_wake(struct io_conn *conn, struct io_plan plan)
{
- /* It might have finished, but we haven't called its finish() yet. */
- if (conn->plan.state == IO_FINISHED)
+ /* It might be closing, but we haven't called its finish() yet. */
+ if (!conn->plan.next)
return;
- assert(conn->plan.state == IO_IDLE);
+ /* It was idle, right? */
+ assert(!conn->plan.io);
conn->plan = plan;
backend_wakeup(conn);
}
struct io_plan do_ready(struct io_conn *conn)
{
- assert(conn->plan.state == IO_IO);
switch (conn->plan.io(conn)) {
case RESULT_CLOSE:
return io_close(conn, NULL);
{
struct io_plan plan;
- plan.state = IO_FINISHED;
plan.pollflag = 0;
+ /* This means we're closing. */
+ plan.next = NULL;
return plan;
}
/* Exit the loop, returning this (non-NULL) arg. */
struct io_plan io_break(void *ret, struct io_plan plan)
{
+ assert(ret);
io_loop_return = ret;
return plan;