1 // This is free and unencumbered software released into the public domain.
2 //
3 // Anyone is free to copy, modify, publish, use, compile, sell, or
4 // distribute this software, either in source code form or as a compiled
5 // binary, for any purpose, commercial or non-commercial, and by any
6 // means.
7 //
8 // In jurisdictions that recognize copyright laws, the author or authors
9 // of this software dedicate any and all copyright interest in the
10 // software to the public domain. We make this dedication for the benefit
11 // of the public at large and to the detriment of our heirs and
12 // successors. We intend this dedication to be an overt act of
13 // relinquishment in perpetuity of all present and future rights to this
14 // software under copyright law.
15 //
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19 // IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 // OTHER DEALINGS IN THE SOFTWARE.
23 
24 use io;
25 use net::ip;
26 use net::tcp;
27 use net;
28 use strings;
29 
30 use ev;
31 
32 export fn listen(addr: ip::addr, port: u16, mux: nullable *mux) (void | net::error) = {
33 	const socket = tcp::listen(addr, port, tcp::reuseaddr)?;
34 	listen_sock(socket, mux);
35 };
36 
37 export fn listen_sock(f: io::file, mux: nullable *mux) void = {
38 	ev::add(f, ev::READ, &acceptconn, match(mux) {
39 		case null => yield &global;
40 		case => yield mux;
41 	});
42 };