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Change the isc__nm_tcpdns_stoplistening() to be asynchronous event

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The isc__nm_tcpdns_stoplistening() would call isc__nmsocket_clearcb()
that would clear the .accept_cb from non-netmgr thread.  Change the
tcpdns_stoplistening to enqueue ievent that would get processed in the
right netmgr thread to avoid locking.
This commit is contained in:
Ondřej Surý
2020-10-02 09:28:29 +02:00
parent fe0a62654c
commit d86a74d8a4
4 changed files with 33 additions and 6 deletions
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5
lib/isc/netmgr/netmgr-int.h
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@@ -149,6 +149,7 @@ typedef enum isc__netievent_type {
netievent_tcpdnssend,
netievent_tcpdnsclose,
netievent_tcpdnsstop,
netievent_closecb,
netievent_shutdown,
@@ -217,6 +218,7 @@ typedef isc__netievent__socket_t isc__netievent_startread_t;
typedef isc__netievent__socket_t isc__netievent_pauseread_t;
typedef isc__netievent__socket_t isc__netievent_closecb_t;
typedef isc__netievent__socket_t isc__netievent_tcpdnsclose_t;
typedef isc__netievent__socket_t isc__netievent_tcpdnsstop_t;
typedef struct isc__netievent__socket_req {
isc__netievent_type type;
@@ -787,9 +789,10 @@ isc__nm_tcpdns_stoplistening(isc_nmsocket_t *sock);
void
isc__nm_async_tcpdnsclose(isc__networker_t *worker, isc__netievent_t *ev0);
void
isc__nm_async_tcpdnssend(isc__networker_t *worker, isc__netievent_t *ev0);
void
isc__nm_async_tcpdnsstop(isc__networker_t *worker, isc__netievent_t *ev0);
#define isc__nm_uverr2result(x) \
isc___nm_uverr2result(x, true, __FILE__, __LINE__)