Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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This is copied from ../system.
This test suite uses a virtual time, gettimeofday(), select(),
poll(), kevent() and epoll_wait() Unix system calls are redirected:
gettimeofday() returns a date in virtual/exponentially inflated
delay from an epoch, select(), poll(), kevent() and epoll_wait()
timeouts are deflated down to at least 10ms.
These tests depends on LD_PRELOAD being supported by the runtime
loader.
Beware BIND clock uses unsigned integer, in 22 seconds isc_time_now()
overflows and breaks assertions. Note 22 real seconds is 136 virtual
years...
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