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sock: avoid a syscall when cancelling already-completed poll operation

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Bert Belder 2018-11-16 23:46:08 -08:00
parent 5c32cea921
commit bf5e17e5c5
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1 changed files with 2 additions and 1 deletions
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src/sock.c
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@ -53,7 +53,8 @@ static int sock__cancel_poll(sock_state_t* sock_state) {
/* CancelIoEx() may fail with ERROR_NOT_FOUND if the overlapped operation has
* already completed. This is not a problem and we proceed normally. */
if (!CancelIoEx(afd_helper_handle, &sock_state->overlapped) &&
if (!HasOverlappedIoCompleted(&sock_state->overlapped) &&
!CancelIoEx(afd_helper_handle, &sock_state->overlapped) &&
GetLastError() != ERROR_NOT_FOUND)
return_map_error(-1);