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freebsd-nq/sys
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Bruce Evans d5e4d7e154 Improved select(): 
- avoid malloc() if the number of fds is small.
- pack the bits better so that `small' is quite large.
- don't waste time generating zero bits for null fd_set pointers or
  scanning these bits.

Possibly improved select():
- free malloc()ed storage before returning.  This is simpler and I
  think huge select()s aren't worth optimizing since they are rare,
  relative gain would be small and there would be tiny costs for all
  selects().

Reviewed by:	ache (first version by him too)
1997-02-20 11:51:52 +00:00
..
alpha Make the long-awaited change from $Id$ to $FreeBSD$ 1997-01-14 07:20:47 +00:00
amd64 Replaced START_ENTRY by _START_ENTRY. -current hasn't got my cleanup 1997-02-17 07:21:28 +00:00
compat/linux Make this compile again after the Lite2 merge. 1997-02-10 16:34:16 +00:00
compile
conf Set RELDATE=300000. With the parallel version development, it has 1997-02-19 06:05:48 +00:00
ddb This is the kernel Lite/2 commit. There are some requisite userland 1997-02-10 02:22:35 +00:00
dev Enlarge the message out buffer from 6 to 8 bytes. Now that sync and wide 1997-02-18 20:22:52 +00:00
fs Killed more FIFO ifdefs. All gone now. 1997-02-13 01:13:13 +00:00
geom Make ccd compile again after the Lite2 merge. 1997-02-10 16:24:33 +00:00
gnu Fixed type mismatches. i_spare[N] in ufs/inode.h changed from long to 1997-02-12 15:35:18 +00:00
i386 Fix some more problems in the recovery code. 1997-02-19 01:00:51 +00:00
isa Oops, cut/paste could be done on tthe WRONG vty :( 1997-02-13 11:58:49 +00:00
isofs/cd9660 Killed more FIFO ifdefs. All gone now. 1997-02-13 01:13:13 +00:00
kern Improved select(): 1997-02-20 11:51:52 +00:00
libkern Make the long-awaited change from $Id$ to $FreeBSD$ 1997-01-14 07:20:47 +00:00
miscfs Eliminate the last of the compile warnings in this module by 1997-02-12 18:06:08 +00:00
modules Make ibcs2 a little bit saver. Add copyright. 1997-02-02 14:40:38 +00:00
msdosfs Make this compile without warnings after the Lite2 merge: 1997-02-12 16:31:27 +00:00
net Send RTM_IFINFO messages whenever promiscuous and all-multicast 1997-02-14 15:30:54 +00:00
netatalk Convert the interface address and IP interface address structures 1996-12-13 21:29:07 +00:00
netinet change IP Filter hooks to match new 3.1.8 patches for FreeBSD 1997-02-19 14:02:27 +00:00
netipx Make the long-awaited change from $Id$ to $FreeBSD$ 1997-01-14 07:20:47 +00:00
netkey This is the `netkey' kernel key-management service (the PF_KEY analogue 1996-06-14 17:22:18 +00:00
netns Make the long-awaited change from $Id$ to $FreeBSD$ 1997-01-14 07:20:47 +00:00
nfs Moved nqnfs_vop_lease_check() inside #ifndef NFS_NOSERVER. 1997-02-19 14:30:41 +00:00
nfsclient Changed #ifdef COMPAT_PRELITE2' to #ifndef NO_COMPAT_PRELITE2' so that 1997-02-18 04:40:38 +00:00
nfsserver This is the kernel Lite/2 commit. There are some requisite userland 1997-02-10 02:22:35 +00:00
pc98 Synchronize with sys/i386/isa/wd.c revision 1.124. 1997-02-19 13:19:08 +00:00
pccard Try to make the BROKEN_VLSI chipset detection better, and not break 1997-02-18 19:20:52 +00:00
pci ULTRAENB->FAST20 1997-02-09 03:27:09 +00:00
powerpc/include Make the long-awaited change from $Id$ to $FreeBSD$ 1997-01-14 07:20:47 +00:00
rpc Make the long-awaited change from $Id$ to $FreeBSD$ 1997-01-14 07:20:47 +00:00
scsi This is the kernel Lite/2 commit. There are some requisite userland 1997-02-10 02:22:35 +00:00
sys Declare the new generic EOPNOTSUPP routines. 1997-02-18 20:47:24 +00:00
tools Make the long-awaited change from $Id$ to $FreeBSD$ 1997-01-14 07:20:47 +00:00
ufs This now uses queue macros. Include <sys/queue.h> if !KERNEL to preserve 1997-02-18 15:03:17 +00:00
vm Removed vestiges of Mach lock types. 1997-02-18 14:07:03 +00:00
Makefile Make the long-awaited change from $Id$ to $FreeBSD$ 1997-01-14 07:20:47 +00:00