diff options
| -rw-r--r-- | src/file_handle_cache.erl | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/file_handle_cache.erl b/src/file_handle_cache.erl index 6a948d49..9d795477 100644 --- a/src/file_handle_cache.erl +++ b/src/file_handle_cache.erl @@ -149,7 +149,9 @@ %% never asked to return them, and they are not managed in any way by %% the server. It is simply a mechanism to ensure that processes that %% need file descriptors such as sockets can do so in such a way that -%% the overall number of open file descriptors is managed. +%% the overall number of open file descriptors is managed. (Caution: +%% obtain/0 should currently be used only for sockets, because of how +%% the obtain limit is computed.) %% %% The callers of register_callback/3, obtain/0, and the argument of %% transfer/1 are monitored, reducing the count of handles in use @@ -820,7 +822,16 @@ init([]) -> Lim -> lists:max([2, Lim - ?RESERVED_FOR_OTHERS]) end end, - ObtainLimit = obtain_limit(Limit), + ObtainLimit = case os:type() of + {win32, _OsName} -> + %% Obtains are used only for sockets, and the Windows + %% implementation has no limit on sockets. + infinity; + _ -> + %% Non-Windows systems are the normal case; socket + %% limits are included in the regular limits. + obtain_limit(Limit) + end, error_logger:info_msg("Limiting to approx ~p file handles (~p sockets)~n", [Limit, ObtainLimit]), Clients = ets:new(?CLIENT_ETS_TABLE, [set, private, {keypos, #cstate.pid}]), |