thorpej e3669c3393 Add "use counting" to file entries. When closing a file, and it's reference ...

count is 0, wait for use count to drain before finishing the close.

This is necessary in order for multiple processes to safely share file
descriptor tables.

1999-05-05 20:01:01 +00:00

..

deadfs

…

fdesc

…

fifofs

…

genfs

…

kernfs

…

nullfs

…

portal

Add "use counting" to file entries. When closing a file, and it's reference

1999-05-05 20:01:01 +00:00

procfs

…

specfs

…

umapfs

…

union

…

Makefile

…