K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2011-10-01T11:59:45.212358Z
K 7
svn:log
V 239
MFC r212405 (by davidxu):
Because POSIX does not allow EINTR to be returned from sigwait(),
add a wrapper for it in libc and rework the code in libthr, the
system call still can return EINTR, we keep this feature.

Discussed with:	davidxu

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