cvs commit: src/sys/kern init_main.c kern_descrip.c sys_pipe.c uipc_syscalls.c uipc_usrreq.c vfs_syscalls.c src/sys/sys filedesc.h

[Dag-ErlingSmørgrav]

Dag-Erling Smorgrav <des at FreeBSD.org> writes:
>   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().

See http://people.freebsd.org/~des/fdbench/ for benchmark results.

DES
-- 
Dag-Erling Smørgrav - des at des.no