YAMAMOTO Takashi 30f3ae03a5 use nanosleep instead of usleep ...

SUSv3 says that:
	The useconds argument shall be less than one million. If the value of
	useconds is 0, then the call has no effect.
and actually NetBSD's implementation rejects such a value with EINVAL.
use nanosleep which has no such a limitation instead.

2013-06-26 15:20:56 +02:00

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