deischen
5ed7dea44c
When entering the scheduler from the signal handler, tell
...
the kernel to (re)use the alternate signal stack. In this
case, we don't return normally from the signal handler,
so the kernel still thinks we are using the signal stack.
The fixes a nasty bug where the signal handler can start
fiddling with the stack of a thread while the handler is
actually running on the same stack.
MFC candidate
2000-11-14 20:00:19 +00:00
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