dovecot: Delay initializing ioloop backend until it's needed.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot/rev/8f1d94246a8f
changeset: 5939:8f1d94246a8f
user:      Timo Sirainen <tss at iki.fi>
date:      Mon Jul 09 07:04:51 2007 +0300
description:
Delay initializing ioloop backend until it's needed.

diffstat:

1 file changed, 8 insertions(+), 3 deletions(-)
src/lib/ioloop.c |   11 ++++++++---

diffs (42 lines):

diff -r 805f2527a982 -r 8f1d94246a8f src/lib/ioloop.c
--- a/src/lib/ioloop.c	Mon Jul 09 07:01:08 2007 +0300
+++ b/src/lib/ioloop.c	Mon Jul 09 07:04:51 2007 +0300
@@ -36,6 +36,8 @@ struct io *io_add(int fd, enum io_condit
 	io->refcount = 1;
 	io->fd = fd;
 
+	if (current_ioloop->handler_context == NULL)
+		io_loop_handler_init(current_ioloop);
 	io_loop_handle_add(current_ioloop, io);
 
 	if (current_ioloop->io_files != NULL) {
@@ -293,7 +295,10 @@ void io_loop_handle_timeouts(struct iolo
 
 void io_loop_run(struct ioloop *ioloop)
 {
-        ioloop->running = TRUE;
+	if (ioloop->handler_context == NULL)
+		io_loop_handler_init(ioloop);
+
+	ioloop->running = TRUE;
 	while (ioloop->running)
 		io_loop_handler_run(ioloop);
 }
@@ -323,7 +328,6 @@ struct ioloop *io_loop_create(void)
 	ioloop_time = ioloop_timeval.tv_sec;
 
         ioloop = i_new(struct ioloop, 1);
-	io_loop_handler_init(ioloop);
 
 	ioloop->prev = current_ioloop;
         current_ioloop = ioloop;
@@ -357,7 +361,8 @@ void io_loop_destroy(struct ioloop **_io
 		i_free(to);
 	}
 	
-        io_loop_handler_deinit(ioloop);
+	if (current_ioloop->handler_context != NULL)
+		io_loop_handler_deinit(ioloop);
 
         /* ->prev won't work unless loops are destroyed in create order */
         i_assert(ioloop == current_ioloop);