We can do something like this, in felix pseudocode:
proc lingering_close(s: socket) {
var open = true;
proc close {
if(open) then {
socket_close(s);
open = false;
} else {};
};
// timeout
spawn_fthread {
sleep(2);
close;
exit; // exit fthread
};
do{
// read data from s
} while{ open and not eof) } ;
close;
};
simple boolean open flag suffices because the fthreads
are run synchronously.
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