On 07-Mar-01 John Baldwin wrote:
> jhb 2001/03/06 18:59:54 PST
>
> Modified files:
> sys/kern kern_sig.c
> Log:
> - Proc locking. Most of signal handling is now MP safe and doesn't require
> Giant. The only exception is the CANSIGNAL() macro. Unlocking the proc
> lock around sendsig() in trapsignal() is also questionable. Note that
> the functions sigexit(), psignal(), and issignal() must be called with
> the proc lock of the process in question held. postsig() and
> trapsignal() should not be called with the proc lock held, but they
> also do not require Giant anymore either.
> - Remove spl's that are now no longer needed as they are fully replaced.
>
> Revision Changes Path
> 1.110 +163 -71 src/sys/kern/kern_sig.c
Until I finish committing all the changes to lock the process when calling
psignal() and sigexit(), a kernel with INVARIANTS will panic. I'll send
another message when I'm done.
--
John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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