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Finish up the 0.2.1 version of the bug 957 fix.

Browse source 
Basically, all this means is downgrading our warning messages to debug
messages, since the bug workaround code here is adequate to stop the
bug.
This commit is contained in:
Nick Mathewson 2009-05-22 11:47:09 -04:00
parent 678092750b
commit 1d002a25a2
2 changed files with 12 additions and 9 deletions
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7
ChangeLog
View file

@ -1,4 +1,9 @@
Changes in version 0.2.1.15??? - ????-??-??
o Major bugfixes:
- Fix a timing-dependent, allocator-dependent, DNS-related crash bug
that would occur on some exit nodes when DNS failures and timeouts
occurred in certain patterns. Fix for bug 957.
o Minor bugfixes:
- Actually return -1 in the error case for read_bandwidth_usage().
Harmless bug, since we currently don't care about the return value
@ -25,8 +30,6 @@ Changes in version 0.2.1.15??? - ????-??-??
descriptor as never-downloadable. Bugfix on 0.2.1.9-alpha.
- Fix a memory leak when v3 directory authorities load their keys
and cert from disk. Bugfix on 0.2.0.1-alpha.
- Add a test and fix for a possible cause of bug 957. If it's
the real cause, it should display some warning messages.
Changes in version 0.2.1.14-rc - 2009-04-12

14
src/or/eventdns.c
View file

@ -474,7 +474,7 @@ sockaddr_eq(const struct sockaddr *sa1, const struct sockaddr *sa2,
return 1;
}
/* for debugging bug 929. XXXX021 */
/* for debugging bug 929. XXXX022 */
static int
_add_timeout_event(u16 *lineno, struct event *ev, struct timeval *to)
{
@ -484,13 +484,13 @@ _add_timeout_event(u16 *lineno, struct event *ev, struct timeval *to)
#define add_timeout_event(s, to) \
(_add_timeout_event(&(s)->timeout_event_deleted, &(s)->timeout_event, (to)))
/* for debugging bug 929. XXXX021 */
/* for debugging bug 929. XXXX022 */
static int
_del_timeout_event(u16 *lineno, struct event *ev, int line)
{
if (*lineno) {
log(EVDNS_LOG_WARN,
"BUG: Duplicate timeout event_del from line %d: first call "
log(EVDNS_LOG_DEBUG,
"Duplicate timeout event_del from line %d: first call "
"was at %d.", line, (int)*lineno);
return 0;
} else {
@ -501,13 +501,13 @@ _del_timeout_event(u16 *lineno, struct event *ev, int line)
#define del_timeout_event(s) \
(_del_timeout_event(&(s)->timeout_event_deleted, &(s)->timeout_event, \
__LINE__))
/* For debugging bug 929/957. XXXX021 */
/* For debugging bug 929/957. XXXX022 */
static int
_del_timeout_event_if_set(u16 *lineno, struct event *ev, int line)
{
if (*lineno == 0) {
log(EVDNS_LOG_WARN,
"BUG: Event that I thought was non-added as of line %d "
log(EVDNS_LOG_DEBUG,
"Event that I thought was non-added as of line %d "
"was actually added on line %d",
line, (int)*lineno);
*lineno = line;