Hi all,
I'm experimenting with porting a C++ library into the Emscripten
environment. One thing this library does is inter-thread communication via
socket-pairs (as created by socketpair(), or as a fallback, by connecting
two TCP sockets together). For example, a parent thread might hold one
socket of the socket-pair, while the child-thread watches the other socket
(while blocking inside select()). Then, when the parent wants the child
thread to wake up and exit, all it has to do is close its socket, and the
child thread will immediately return from select(), see that the connection
is closed, and exit.
That works fine while running natively, but doesn't seem to work under
Emscripten. In particular, the call to setsocketpair() causes an assertion
failure ("call not supported"), and the TCP-based fallback mechanism
doesn't work either (presumably because the JavaScript environment doesn't
allow a script to create TCP-accepting sockets?).
My question is, is socketpair() a call that can be supported under
Emscripten? Or am I crazy for expecting this sort of thing to work under
Emscripten in the first place?
Thanks,
Jeremy
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