util.poll: Add support for the poll() API
Might be better than select(), more portable than epoll.
local record state
enum waiterr
"timeout"
"signal"
end
add : function (state, integer, boolean, boolean) : boolean
add : function (state, integer, boolean, boolean) : nil, string, integer
set : function (state, integer, boolean, boolean) : boolean
set : function (state, integer, boolean, boolean) : nil, string, integer
del : function (state, integer) : boolean
del : function (state, integer) : nil, string, integer
wait : function (state, integer) : integer, boolean, boolean
wait : function (state, integer) : nil, string, integer
wait : function (state, integer) : nil, waiterr
getfd : function (state) : integer
end
local record lib
new : function () : state
EEXIST : integer
EMFILE : integer
ENOENT : integer
enum api_backend
"epoll"
"poll"
"select"
end
api : api_backend
end
return lib