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 des at
Thu Jan 15 02:16:13 PST 2004

Dag-Erling Smorgrav <des at> 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 for benchmark results.

Dag-Erling Smørgrav - des at

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