K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2018-04-16T20:45:21.516724Z
K 7
svn:log
V 487
MFC 331324: Ensure thread library is initialized in pthread_testcancel().

Call _thr_check_init() before reading curthread in pthread_testcancel().

If a constructor in a library creates a semaphore via sem_init() and
then waits for it via sem_wait(), the program can core dump in
_pthread_testcancel() called from sem_wait().  This is because the
semaphore implementation lives in libc, so the library's constructors
can be run before libthr's constructors.

Sponsored by:	DARPA / AFRL

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