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From: Dag-Erling Smorgrav <des@FreeBSD.org>
Date: Thu, 15 Jan 2004 02:15:04 -0800 (PST)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: 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
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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)).
  
  Revision  Changes    Path
  1.239     +2 -0      src/sys/kern/init_main.c
  1.219     +285 -243  src/sys/kern/kern_descrip.c
  1.163     +1 -0      src/sys/kern/sys_pipe.c
  1.169     +4 -0      src/sys/kern/uipc_syscalls.c
  1.114     +1 -1      src/sys/kern/uipc_usrreq.c
  1.336     +3 -0      src/sys/kern/vfs_syscalls.c
  1.54      +13 -6     src/sys/sys/filedesc.h