3 commits

Author	SHA1	Message	Date
Konstantin Belousov	53fd961f05	Lock pshared_lock shared around fork, to ensure that the COW snapshot ... of the pshared hash in child is consistent and can be safely used. Reported and tested by: "Oleg V. Nauman" <oleg@opentransfer.com> Sponsored by: The FreeBSD Foundation	2016-03-21 06:52:35 +00:00
Konstantin Belousov	064094126c	Add two comments explaining the fine points of the hash ... implementation. Reviewed by: emaste Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D5490	2016-03-01 15:21:01 +00:00
Konstantin Belousov	1bdbd70599	Implement process-shared locks support for libthr.so.3, without ... breaking the ABI. Special value is stored in the lock pointer to indicate shared lock, and offline page in the shared memory is allocated to store the actual lock. Reviewed by: vangyzen (previous version) Discussed with: deischen, emaste, jhb, rwatson, Martin Simmons <martin@lispworks.com> Tested by: pho Sponsored by: The FreeBSD Foundation	2016-02-28 17:52:33 +00:00