j3d1/tinc
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Fix crash in timeout handling.

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This commit is contained in:
Guus Sliepen 2012-12-03 09:07:23 +01:00
parent d19b006065
commit 76816e119b
1 changed files with 22 additions and 9 deletions
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31
src/event.c
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@ -36,7 +36,19 @@ static int io_compare(const io_t *a, const io_t *b) {
static int timeout_compare(const timeout_t *a, const timeout_t *b) {
struct timeval diff;
timersub(&a->tv, &b->tv, &diff);
return diff.tv_sec ?: diff.tv_usec ?: a < b ? -1 : a > b ? 1 : 0;
if(diff.tv_sec < 0)
return -1;
if(diff.tv_sec > 0)
return 1;
if(diff.tv_usec < 0)
return -1;
if(diff.tv_usec > 0)
return 1;
if(a < b)
return -1;
if(a > b)
return 1;
return 0;
}
static int signal_compare(const signal_t *a, const signal_t *b) {
@ -58,7 +70,8 @@ void io_add(io_t *io, io_cb_t cb, void *data, int fd, int flags) {
io_set(io, flags);
splay_insert_node(&io_tree, &io->node);
if(!splay_insert_node(&io_tree, &io->node))
abort();
}
void io_set(io_t *io, int flags) {
@ -86,9 +99,6 @@ void io_del(io_t *io) {
}
void timeout_add(timeout_t *timeout, timeout_cb_t cb, void *data, struct timeval *tv) {
if(timeout->cb)
return;
timeout->cb = cb;
timeout->data = data;
timeout->node.data = timeout;
@ -97,7 +107,7 @@ void timeout_add(timeout_t *timeout, timeout_cb_t cb, void *data, struct timeval
}
void timeout_set(timeout_t *timeout, struct timeval *tv) {
if(timeout->tv.tv_sec)
if(timerisset(&timeout->tv))
splay_unlink_node(&timeout_tree, &timeout->node);
if(!now.tv_sec)
@ -105,7 +115,8 @@ void timeout_set(timeout_t *timeout, struct timeval *tv) {
timeradd(&now, tv, &timeout->tv);
splay_insert_node(&timeout_tree, &timeout->node);
if(!splay_insert_node(&timeout_tree, &timeout->node))
abort();
}
void timeout_del(timeout_t *timeout) {
@ -113,7 +124,8 @@ void timeout_del(timeout_t *timeout) {
return;
splay_unlink_node(&timeout_tree, &timeout->node);
timeout->cb = NULL;
timeout->cb = 0;
timeout->tv = (struct timeval){0, 0};
}
#ifndef HAVE_MINGW
@ -154,7 +166,8 @@ void signal_add(signal_t *sig, signal_cb_t cb, void *data, int signum) {
signal(sig->signum, signal_handler);
splay_insert_node(&signal_tree, &sig->node);
if(!splay_insert_node(&signal_tree, &sig->node))
abort();
}
void signal_del(signal_t *sig) {