1f9b705709
Pre-rfork code assumed inherent locking of a process's file descriptor
array. However, with the advent of rfork() the file descriptor table
could be shared between processes. This patch closes over a dozen
serious race conditions related to one thread manipulating the table
(e.g. closing or dup()ing a descriptor) while another is blocked in
an open(), close(), fcntl(), read(), write(), etc...
PR: kern/11629
Discussed with: Alexander Viro <viro@math.psu.edu>
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| .. | ||
| nfs_serv.c | ||
| nfs_srvcache.c | ||
| nfs_srvsock.c | ||
| nfs_srvsubs.c | ||
| nfs_syscalls.c | ||
| nfs.h | ||
| nfsm_subs.h | ||
| nfsproto.h | ||
| nfsrvcache.h | ||
| nfsrvstats.h | ||