[Bug 1303649] Re: systemd-logind spins in cgmanager_ping_sync()

[James Hunt]

Right. So to be completely clear, by calling nih_dbus_setup(), nih was
registering a libdbus handler that runs on the client side such that
whenever libdbus deemed necessary, it would attempt to wake up the
clients main loop by calling nih_main_loop_interrupt(). However, since
the client didn't have an nih main loop, the interrupt pipe was never
drained and eventually filled leading to the EAGAIN tight loop.

Yes, I agree - maybe it should have been called
nih_dbus_main_loop_setup() to make its usage clearer.

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https://bugs.launchpad.net/bugs/1303649

Title:
  systemd-logind spins in cgmanager_ping_sync()

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