void *io_loop_return;
+#ifdef DEBUG
+bool io_plan_for_other;
+struct io_conn *current;
+bool (*io_debug)(struct io_conn *conn);
+bool io_debug_wakeup;
+
+void io_plan_debug(struct io_plan *plan)
+{
+ if (io_plan_for_other) {
+ io_plan_for_other = false;
+ return;
+ }
+
+ if (!io_debug || !current)
+ return;
+
+ if (!io_debug(current) && !io_debug_wakeup)
+ return;
+
+ io_debug_wakeup = false;
+ current->plan = *plan;
+ backend_plan_changed(current);
+
+ /* Call back into the loop immediately. */
+ io_loop_return = io_loop();
+}
+
+static void debug_io_wake(struct io_conn *conn)
+{
+ /* We want linear if we wake a debugged connection, too. */
+ if (io_debug && io_debug(conn))
+ io_debug_wakeup = true;
+}
+#else
+static void debug_io_wake(struct io_conn *conn)
+{
+}
+#endif
+
struct io_listener *io_new_listener_(int fd,
void (*init)(int fd, void *arg),
void *arg)
free(l);
}
-struct io_conn *io_new_conn_(int fd,
- struct io_plan plan,
- void (*finish)(struct io_conn *, void *),
- void *arg)
+struct io_conn *io_new_conn_(int fd, struct io_plan plan)
{
struct io_conn *conn = malloc(sizeof(*conn));
conn->fd.listener = false;
conn->fd.fd = fd;
conn->plan = plan;
- conn->finish = finish;
- conn->finish_arg = arg;
+ conn->finish = NULL;
+ conn->finish_arg = NULL;
conn->duplex = NULL;
conn->timeout = NULL;
if (!add_conn(conn)) {
return conn;
}
-struct io_conn *io_duplex_(struct io_conn *old,
- struct io_plan plan,
- void (*finish)(struct io_conn *, void *),
- void *arg)
+void io_set_finish_(struct io_conn *conn,
+ void (*finish)(struct io_conn *, void *),
+ void *arg)
+{
+ conn->finish = finish;
+ conn->finish_arg = arg;
+}
+
+struct io_conn *io_duplex_(struct io_conn *old, struct io_plan plan)
{
struct io_conn *conn;
conn->fd.fd = old->fd.fd;
conn->plan = plan;
conn->duplex = old;
- conn->finish = finish;
- conn->finish_arg = arg;
+ conn->finish = NULL;
+ conn->finish_arg = NULL;
conn->timeout = NULL;
if (!add_duplex(conn)) {
free(conn);
plan.next = cb;
plan.next_arg = arg;
plan.pollflag = POLLOUT;
+
+ io_plan_debug(&plan);
return plan;
}
plan.next = cb;
plan.next_arg = arg;
plan.pollflag = POLLIN;
+
+ io_plan_debug(&plan);
return plan;
}
plan.next_arg = arg;
plan.pollflag = POLLIN;
+ io_plan_debug(&plan);
return plan;
}
plan.next_arg = arg;
plan.pollflag = POLLOUT;
+ io_plan_debug(&plan);
return plan;
}
/* Never called (overridded by io_wake), but NULL means closing */
plan.next = io_close;
+ io_plan_debug(&plan);
return plan;
}
-void io_wake(struct io_conn *conn, struct io_plan plan)
+void io_wake_(struct io_conn *conn, struct io_plan plan)
{
/* It might be closing, but we haven't called its finish() yet. */
assert(!conn->plan.io);
conn->plan = plan;
backend_plan_changed(conn);
+
+ debug_io_wake(conn);
}
void io_ready(struct io_conn *conn)
{
if (conn->plan.io(conn->fd.fd, &conn->plan)) {
+ set_current(conn);
if (timeout_active(conn))
backend_del_timeout(conn);
conn->plan = conn->plan.next(conn, conn->plan.next_arg);
backend_plan_changed(conn);
+ set_current(NULL);
}
}
/* This means we're closing. */
plan.next = NULL;
+ io_plan_debug(&plan);
return plan;
}
/* Exit the loop, returning this (non-NULL) arg. */
-struct io_plan io_break(void *ret, struct io_plan plan)
+struct io_plan io_break_(void *ret, struct io_plan plan)
{
assert(ret);
io_loop_return = ret;