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Merge branch '3520-rndc-shutdown-hang' into 'main'

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prevent a possible shutdown hang in rndc

See merge request isc-projects/bind9!6734
This commit is contained in:
Evan Hunt
2022-09-12 20:34:32 +00:00
parent b5b147864f 9683439d73
commit 00e3c8fe1a
1 changed files with 2 additions and 2 deletions
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4
bin/rndc/rndc.c
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@@ -390,8 +390,8 @@ rndc_recvdone(isc_nmhandle_t *handle, isc_result_t result, void *arg) {
REQUIRE(recvdone_handle == handle); REQUIRE(recvdone_handle == handle);
isc_nmhandle_detach(&recvdone_handle); isc_nmhandle_detach(&recvdone_handle);
if (atomic_load_acquire(&sends) == 0 && if (atomic_fetch_sub_release(&recvs, 1) == 1 &&
atomic_fetch_sub_release(&recvs, 1) == 1) atomic_load_acquire(&sends) == 0)
{ {
shuttingdown = true; shuttingdown = true;
isc_task_detach(&rndc_task); isc_task_detach(&rndc_task);