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core: fix fake watcher list and count preservation

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Fake watcher list and count should be preserved only if
`loop->watchers` was already allocated.
This commit is contained in:
Fedor Indutny 2013-11-12 15:24:33 +04:00
parent bbccafbe70
commit f50ccd5238
1 changed files with 9 additions and 9 deletions
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18
src/unix/core.c
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@ -603,21 +603,21 @@ static void maybe_resize(uv_loop_t* loop, unsigned int len) {
if (len <= loop->nwatchers)
return;
/* Preserve fake watcher list and count at the end of the watchers */
if (loop->watchers != NULL) {
fake_watcher_list = loop->watchers[loop->nwatchers];
fake_watcher_count = loop->watchers[loop->nwatchers + 1];
} else {
fake_watcher_list = NULL;
fake_watcher_count = NULL;
}
nwatchers = next_power_of_two(len + 2) - 2;
watchers = realloc(loop->watchers,
(nwatchers + 2) * sizeof(loop->watchers[0]));
if (watchers == NULL)
abort();
/* Copy watchers, preserving fake one in the end */
if (loop->watchers == NULL) {
fake_watcher_list = watchers[loop->nwatchers];
fake_watcher_count = watchers[loop->nwatchers + 1];
} else {
fake_watcher_list = NULL;
fake_watcher_count = NULL;
}
for (i = loop->nwatchers; i < nwatchers; i++)
watchers[i] = NULL;
watchers[nwatchers] = fake_watcher_list;