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pause and unpause netmgr in isc_nm_destroy to flush all events from worker queues

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Witold Kręcicki
2019-12-08 21:14:08 +01:00
parent c7b86d1cac
commit ef2dff5c7a
1 changed files with 8 additions and 0 deletions
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8
lib/isc/netmgr/netmgr.c
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@@ -337,6 +337,14 @@ isc_nm_destroy(isc_nm_t **mgr0) {
* Wait for the manager to be dereferenced elsewhere. * Wait for the manager to be dereferenced elsewhere.
*/ */
while (isc_refcount_current(&mgr->references) > 1) { while (isc_refcount_current(&mgr->references) > 1) {
/*
* Sometimes libuv gets stuck, pausing and unpausing
* netmgr goes over all events in async queue for all
* the workers, and since it's done only on shutdown it
* doesn't cost us anything.
*/
isc_nm_pause(mgr);
isc_nm_resume(mgr);
#ifdef WIN32 #ifdef WIN32
_sleep(1000); _sleep(1000);
#else #else