Fix bug in signal handling in threads shown by Peter Gober:
A signal *specifically directed* to one thread cannot be used
to fulfill a sigwait() request by some other thread, reasonably
enough.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@374 a5019735-40e9-0310-863c-91ae7b9d1cf9
4 files changed