Date: Tue, 26 Jun 2001 23:15:44 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern kern_exit.c Message-ID: <200106270615.f5R6Fij39009@freefall.freebsd.org>
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jhb 2001/06/26 23:15:44 PDT
Modified files:
sys/kern kern_exit.c
Log:
- Always use the proc lock of the task leader to protect the peers list of
processes.
- Don't construct fake call args and then call kill(). psignal is not
anymore complicated and is quicker and not prone to locking problems.
Calling psignal() avoids having to do a pfind() since we already have a
proc pointer and also allows us to keep the task leader locked while we
kill all the peer processes so the list is kept coherent.
- When a kthread exits, do a wakeup() on its proc pointers. This can be
used by kernel modules that have kthreads and want to ensure they have
safely exited before completely the MOD_UNLOAD event.
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Revision Changes Path
1.129 +13 -16 src/sys/kern/kern_exit.c
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