dovecot-1.3: dict: Fixed crashes when dict process dies.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-1.3/rev/59165b07c874
changeset: 9053:59165b07c874
user:      Timo Sirainen <tss at iki.fi>
date:      Thu Apr 09 19:08:07 2009 -0400
description:
dict: Fixed crashes when dict process dies.

diffstat:

1 file changed, 5 insertions(+), 2 deletions(-)
src/master/dict-process.c |    7 +++++--

diffs (43 lines):

diff -r 095837e6c073 -r 59165b07c874 src/master/dict-process.c
--- a/src/master/dict-process.c	Thu Apr 09 18:41:13 2009 -0400
+++ b/src/master/dict-process.c	Thu Apr 09 19:08:07 2009 -0400
@@ -22,6 +22,7 @@ struct dict_listener {
 	struct io *io;
 
 	struct dict_process *processes;
+	unsigned int destroyed:1;
 };
 
 struct dict_process {
@@ -121,7 +122,7 @@ static int dict_process_create(struct di
 
 static void dict_listener_unref(struct dict_listener *listener)
 {
-	if (listener->processes == NULL)
+	if (listener->processes == NULL && listener->destroyed)
 		i_free(listener);
 }
 
@@ -192,6 +193,8 @@ static struct dict_listener *dict_listen
 
 static void dict_listener_deinit(struct dict_listener *listener)
 {
+	listener->destroyed = TRUE;
+
 	if (listener->io != NULL)
 		io_remove(&listener->io);
 	if (close(listener->fd) < 0)
@@ -211,12 +214,12 @@ dict_process_destroyed(struct child_proc
 	struct dict_process *process = (struct dict_process *)_process;
 	struct dict_listener *listener = process->listener;
 
-	dict_process_deinit(process);
 	if (listener->processes == NULL && listener->fd != -1) {
 		/* last listener died, create new ones */
 		listener->io = io_add(listener->fd, IO_READ,
 				      dict_listener_input, listener);
 	}
+	dict_process_deinit(process);
 }
 
 void dict_processes_init(void)