-let receive_event (listening_socket_spec:fname_and_fd) (_:fname_and_fd) =
- (* Do we care about this file? *)
- try
- let (_,listening_socket) = listening_socket_spec in
- let (data_socket, addr) = accept listening_socket in
- match addr with
- | ADDR_UNIX(fname) ->
- let entry_info = try
- Hashtbl.find unix_socket_watcher addr with _ -> None in
- match entry_info with
- | Some(_,execpath,slice_name,fd) ->
- begin
- let len = String.length fqp_in in
- let fqp = String.sub fqp_in 0 (len-3) in
- let fqp_out = String.concat "." [fqp;"out"] in
- let fifo_fdout =
- try openfile fqp_out [O_WRONLY;O_NONBLOCK] 0o777 with
- _-> (* The client is opening the descriptor too fast *)
- sleep 1;try openfile fqp_out [O_WRONLY;O_NONBLOCK] 0o777 with
- _->
- logprint "%s Output pipe not open, using stdout in place of %s\n" slice_name fqp_out;stdout
- in
- ignore(sigprocmask SIG_BLOCK [Sys.sigchld]);
- (
- clear_nonblock fifo_fdin;
- let pid=try Some(create_process execpath [|execpath;slice_name|] fifo_fdin fifo_fdout fifo_fdout) with e -> None in
- match pid with
- | Some(pid) ->
- if (fifo_fdout <> stdout) then close_if_open fifo_fdout;
- Hashtbl.add pidmap pid (fqp_in,fifo_fdout)
- | None ->logprint "Error executing service: %s\n" execpath;reopenentry fqp_in
- );
- ignore(sigprocmask SIG_UNBLOCK [Sys.sigchld]);
- end
- | None -> ()
- with e-> logprint "Error connecting service %s\n" execpath
- | _ -> logprint "Serious error! Got a non UNIX connection over a UNIX socket\n"