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279d722604
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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bootp_subr.c | ||
krpc_subr.c | ||
krpc.h | ||
nfs_bio.c | ||
nfs_nfsiod.c | ||
nfs_node.c | ||
nfs_socket.c | ||
nfs_subs.c | ||
nfs_vfsops.c | ||
nfs_vnops.c | ||
nfs.h | ||
nfsargs.h | ||
nfsdiskless.h | ||
nfsm_subs.h | ||
nfsmount.h | ||
nfsnode.h | ||
nfsstats.h |