cvs commit: src/sys/kern init_main.c kern_descrip.c
sys_pipe.cuipc_syscalls.c uipc_usrreq.c vfs_syscalls.c
src/sys/sysfiledesc.h
Andre Oppermann
andre at freebsd.org
Thu Jan 15 06:32:23 PST 2004
Dag-Erling Smorgrav wrote:
>
> des 2004/01/15 02:15:04 PST
>
> FreeBSD src repository
>
> Modified files:
> sys/kern init_main.c kern_descrip.c sys_pipe.c
> uipc_syscalls.c uipc_usrreq.c
> vfs_syscalls.c
> sys/sys filedesc.h
> Log:
> New file descriptor allocation code, derived from similar code introduced
> in OpenBSD by Niels Provos. The patch introduces a bitmap of allocated
> file descriptors which is used to locate available descriptors when a new
> one is needed. It also moves the task of growing the file descriptor table
> out of fdalloc(), reducing complexity in both fdalloc() and do_dup().
>
> Debts of gratitude are owed to tjr@ (who provided the original patch on
> which this work is based), grog@ (for the gdb(4) man page) and rwatson@
> (for assistance with pxeboot(8)).
Excellent!
--
Andre
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