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Deactivate the handle before sending the async close callback.

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We could have a race between handle closing and processing async
callback. Deactivate the handle before issuing the callback - we
have the socket referenced anyway so it's not a problem.
This commit is contained in:
Witold Kręcicki
2020-03-26 14:25:06 +01:00
parent 2df610a882
commit 01c4c3301e
3 changed files with 19 additions and 20 deletions
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3
lib/isc/netmgr/netmgr-int.h
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@@ -216,6 +216,7 @@ typedef isc__netievent__socket_t isc__netievent_tcpclose_t;
typedef isc__netievent__socket_t isc__netievent_tcpdnsclose_t;
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 struct isc__netievent__socket_req {
isc__netievent_type type;
@@ -241,8 +242,6 @@ typedef struct isc__netievent__socket_handle {
isc_nmhandle_t *handle;
} isc__netievent__socket_handle_t;
typedef isc__netievent__socket_handle_t isc__netievent_closecb_t;
typedef struct isc__netievent_udpsend {
isc__netievent_type type;
isc_nmsocket_t *sock;