Elliott Hughes ab61eb366a Switch to upstream sleep(3) and usleep(3).
Also fix the signature of usleep, and the definition of useconds_t which
should be unsigned, as the 'u' in its name implies.

This patch also cleans up the existing FreeBSD hacks by moving the libm
stuff from <sys/cdefs.h> to a libm-private header, and adding comments
about the hacks we use to build FreeBSD source.

Change-Id: Ibe5067a380502df94a0a3a7901969b35411085b6
2013-11-20 16:24:16 -08:00
2013-11-19 09:56:53 +00:00
2013-03-07 11:51:10 -08:00
2010-03-08 18:04:02 -08:00
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