X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fio%2Fio.c;h=a1610a405230da40ec725dbc1163564b685986b6;hp=90039e1e6960155a87862bbc1e86f9cbc987f35f;hb=f7ab2c65d40839a327e50876dc2708ab7b11aa52;hpb=cdf62dce7077a9f9a818edbb67d31d033cbb73c6 diff --git a/ccan/io/io.c b/ccan/io/io.c index 90039e1e..a1610a40 100644 --- a/ccan/io/io.c +++ b/ccan/io/io.c @@ -24,8 +24,6 @@ bool io_plan_nodebug; struct io_conn *current; /* User-defined function to select which connection(s) to debug. */ bool (*io_debug_conn)(struct io_conn *conn); -/* Set when we wake up an connection we are debugging. */ -bool io_debug_wakeup; struct io_plan io_debug(struct io_plan plan) { @@ -36,12 +34,9 @@ struct io_plan io_debug(struct io_plan plan) return plan; } - if (!current || !doing_debug_on(current)) { - if (!io_debug_wakeup) - return plan; - } + if (!current || !doing_debug_on(current)) + return plan; - io_debug_wakeup = false; current->plan = plan; backend_plan_changed(current); @@ -68,7 +63,7 @@ struct io_plan io_debug(struct io_plan plan) /* Return a do-nothing plan, so backend_plan_changed in * io_ready doesn't do anything (it's already been called). */ - return io_idle_(); + return io_wait_(NULL, (void *)1, NULL); } int io_debug_io(int ret) @@ -107,22 +102,12 @@ int io_debug_io(int ret) return 2; } -static void debug_io_wake(struct io_conn *conn) -{ - /* We want linear if we wake a debugged connection, too. */ - if (io_debug_conn && io_debug_conn(conn)) - io_debug_wakeup = true; -} - /* Counterpart to io_plan_no_debug(), called in macros in io.h */ static void io_plan_debug_again(void) { io_plan_nodebug = false; } #else -static void debug_io_wake(struct io_conn *conn) -{ -} static void io_plan_debug_again(void) { } @@ -436,37 +421,26 @@ struct io_plan io_connect_(int fd, const struct addrinfo *addr, return plan; } -struct io_plan io_idle_(void) +struct io_plan io_wait_(const void *wait, + struct io_plan (*cb)(struct io_conn *, void*), + void *arg) { struct io_plan plan; + assert(cb); plan.pollflag = 0; plan.io = NULL; - /* Never called (overridden by io_wake), but NULL means closing */ - plan.next = (void *)io_idle_; + plan.next = cb; + plan.next_arg = arg; - return plan; -} + plan.u1.const_vp = wait; -bool io_is_idle(const struct io_conn *conn) -{ - return conn->plan.io == NULL; + return plan; } -void io_wake_(struct io_conn *conn, struct io_plan plan) - +void io_wake(const void *wait) { - io_plan_debug_again(); - - /* It might be closing, but we haven't called its finish() yet. */ - if (!conn->plan.next) - return; - /* It was idle, right? */ - assert(!conn->plan.io); - conn->plan = plan; - backend_plan_changed(conn); - - debug_io_wake(conn); + backend_wait_changed(wait); } void io_ready(struct io_conn *conn)