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5162 Commits

Author SHA1 Message Date
jasone
6ab124975f Optimize realloc() to reallocate in place if the old and new sizes are 
close enough to each other that reallocation would allocate a new region
of the same size.  This improves the performance of repeated incremental
reallocations by up to three orders of magnitude. [1]

Fix arena_new() to properly constrain run size if a small chunk size was
specified during runtime configuration.

Suggested by:	se [1]
 2006-03-19 18:28:06 +00:00
ru
17d5388342 Provide alternate default for SHLIBDIR before bsd.own.mk does this. 
Reported by:	phk
 2006-03-18 11:01:06 +00:00
ru
388e590f95 Reimplementation of world/kernel build options. For details, see: 
http://lists.freebsd.org/pipermail/freebsd-current/2006-March/061725.html

The src.conf(5) manpage is to follow in a few days.

Brought to you by:	imp, jhb, kris, phk, ru (all bugs are mine)
 2006-03-17 18:54:44 +00:00
jasone
1759b378e2 Modify allocation policy, in order to avoid excessive fragmentation for 
allocation patterns that involve a relatively even mixture of many
different size classes.

Reduce the chunk size from 16 MB to 2 MB.  Since chunks are now carved up
using an address-ordered first best fit policy, VM map fragmentation is
much less likely, which makes smaller chunks not as much of a risk.  This
reduces the virtual memory size of most applications.

Remove redzones, since program buffer overruns are no longer as likely to
corrupt malloc data structures.

Remove the C MALLOC_OPTIONS flag, and add H and S.
 2006-03-17 09:00:27 +00:00
deischen
cb9cc95c77 Allow bsd.lib.mk to generate the symbol version map. 2006-03-16 15:16:23 +00:00
ru
f93dac5b2f Fix comment. 2006-03-16 14:27:17 +00:00
ru
5aca7016bd Desupport the undocumented NO_QUAD option, just don't compile 
the quad support on 64-bit platforms.
 2006-03-16 14:22:19 +00:00
ru
2ecb5d65a2 Add a non-optional newline after ".Bx". 2006-03-15 14:45:45 +00:00
andre
b4a7a96527 Revert previous changes as we do support the .Ox macro for OpenBSD. 
Pointed out by:	ceri, ru, delphij
 2006-03-15 14:05:41 +00:00
ache
93d3ecbce2 POSIXed strtoll() (and ours one too) can set errno to EINVAL, so check 
it first.

Approved by:    andre
 2006-03-14 19:53:03 +00:00
andre
957057f0c8 Fix HISTORY and point to OpenBSD. 2006-03-14 17:01:21 +00:00
andre
9ec6603878 Import of OpenBSD's strtonum(3) which is a nicer version of strtoll(3) 
providing proper error checking and other improvements.

Obtained from:	OpenBSD
Requested by:	flz (to port Open[BGP|OSPF]D)
MFC after:	3 days
 2006-03-14 16:57:30 +00:00
deischen
bb2532ee37 ns_name_skip was recently redefined to __ns_name_skip 
like the others in <include/arpa/nameser.h>.

Submitted by:	ume
 2006-03-13 04:49:40 +00:00
deischen
bd9aeda0be Make _spinunlock() point to the spinunlock stub, not the 
spinlock stub.
 2006-03-13 01:17:39 +00:00
deischen
a0f6b0f1d0 Add each directory's symbol map file to SYM_MAPS. 2006-03-13 01:15:01 +00:00
deischen
2de255c506 Add hooks to build libc with symbol versioning. This is 
disabled by default; add SYMVER_ENABLED=true to /etc/make.conf
to enable it.  libc should get a version bump before this is
enabled by default.

Reviewed by:	davidxu
 2006-03-13 00:56:02 +00:00
deischen
138dd54357 Add symbol maps and initial symbol version definitions to libc. 
Reviewed by:	davidxu
 2006-03-13 00:53:21 +00:00
davidxu
40ba85224c Add entries for new pthread stubs. 2006-03-10 09:58:18 +00:00
davidxu
b33c92af90 Remove mq.c, the POSIX mqueue is implemented in librt. 
Suggested by: deischen
 2006-03-08 23:42:41 +00:00
deischen
e586a0042e Add some more pthread stubs so that librt can use them. 
The thread jump table has been resorted, so you need to
keep libc, libpthread, and libthr in sync.

Submitted by:	xu
 2006-03-05 18:10:28 +00:00
brueffer
6db6365c65 Remove a useless word. 
PR:		94087
Submitted by:	Tadaaki Nagao <nagao@iij.ad.jp>
MFC after:	3 days
 2006-03-05 10:32:15 +00:00
jcamou
44dc71d01c Sync with actual code. 
PR:		docs/87681
Noticed by:	Andreas Kohn <andreas@syndrom23.de>
Reviewed by:	brooks
Approved by:	trhodes (mentor)
MFC after:	3 days
 2006-03-03 13:58:43 +00:00
phk
0ef226b65a Fix the %Q printf extension to behave as expected 2006-03-02 08:53:45 +00:00
ume
5e1521cce3 Handle the errors returned by res_querydomain() in same manner. 
Reported by:	yar
Tested by:	yar, Rostislav Krasny <rosti.bsd__at__gmail.com>
MFC after:	1 week
 2006-03-01 15:53:49 +00:00
davidxu
f29e4c0c75 Disconnect mqueue from buildworld, as I will implement it in seperated 
library.
 2006-03-01 06:25:46 +00:00
deischen
b028e2897b Const'ify arguments to a couple of functions to fix breakage 
with -O2.
 2006-02-28 16:02:26 +00:00
delphij
3acbd90cd9 Don't do a time travel to 12006... 2006-02-28 07:36:25 +00:00
deischen
97af573880 Staticize a couple of functions. 
Remove a few unused locks.

Remove locks from application namespace.
 2006-02-27 22:10:59 +00:00
deischen
2a2559a103 Correct a comment. 
Staticize two tables thare are not visible in <resolv.h>
and which are also local in Solaris' libresolv.

Remove two functions that are not referenced in libc nor
anywhere else I can find, not visible in <resolv.h> and
which are also local in Solaris libresolv.
 2006-02-27 22:08:16 +00:00
wkoszek
1796fdb900 Fix typo in manual page reference. 
Approved by:	cognet (mentor)
MFC after:	3 days
 2006-02-26 23:01:11 +00:00
ume
a8acef0bfb Sync inet_net_pton() and inet_net_ntop() with latest BIND9's includes 
an IPv6 support.

PR:		kern/93740
Submitted by:	Rudolf Cejka <cejkar__at__fit.vutbr.cz>
Obtained from:	BIND9
MFC after:	1 week
 2006-02-26 05:44:21 +00:00
ume
d095cafa05 - Just query 'as is', if there is a trailing dot in the name. 
- Don't query 'as is' twice.

PR:		bin/62139
Reported by:	Rostislav Krasny <rosti.bsd__at__gmail.com>
Tested by:	Rostislav Krasny <rosti.bsd__at__gmail.com>
Obtained from:	BIND9 (with some modification)
MFC after:	1 week
 2006-02-24 16:53:42 +00:00
yar
d3fcb2cf25 Tell the truth about a) how to get the first fileid, and 
b) what return values from kldstat(2) can be expected.

Bump .Dd.

MFC after:	3 days
 2006-02-22 15:11:12 +00:00
brd
ee6a29f334 - Massage wording to make it easier to understand and fix some grammar. 
Submitted by:	sbahra at gwu dot edu
Reviewed by:	ru@
Approved by:	ceri@
MFC after:	3 days
 2006-02-16 09:56:31 +00:00
kan
b1ec908186 Remove extra slash from pty slave device name returned by ptsname. 2006-02-13 00:04:04 +00:00
phk
f8e9593b7e Remove spurious "union arg" from printf.h 
Make sure to always print something in the alternate time format.
 2006-02-04 14:35:01 +00:00
jasone
c3550ff9ae Fix calculation of the number of arenas to use on multi-processor systems. 2006-02-04 01:11:30 +00:00
joel
87dcb0582d Expand contractions. 2006-02-01 14:33:14 +00:00
phk
8920c8cd74 Add missing 's' suffix on alternate rendition of time. 2006-01-31 08:09:37 +00:00
glebius
e8ec4c3a0a - In pipe() return the error returned by pipe_create(), rather then 
hardcoded ENFILES, which is incorrect. pipe_create() can fail due
  to ENOMEM.
- Update manual page, describing ENOMEM return code.

Reviewed by:	arch
 2006-01-30 08:25:04 +00:00
cognet
80e1881f9b If the sysctl kern.pts.enable doesn't exist, check that /dev/ptmx is there, 
and if so, use the pts system.

Suggested by:	rwatson
 2006-01-29 00:02:57 +00:00
jasone
4018cc9c9b Remove unwarranted uses of 'goto'. 2006-01-27 07:46:22 +00:00
jasone
7d53fc1d66 Add NO_MALLOC_EXTRAS, so that various extra features that can cause 
performance degradation can be disabled via something like the following
in /etc/malloc.conf:

	CFLAGS+=-DNO_MALLOC_EXTRAS

Suggested by:	deischen
 2006-01-27 04:42:10 +00:00
jasone
94601bfc12 Fix the type of a statistics counter (unsigned --> unsigned long). 2006-01-27 04:36:39 +00:00
jasone
efa3cf2bb3 Clean up statistics gathering and printing. 2006-01-27 02:36:44 +00:00
pjd
be52ac2832 Remove debug printf. 2006-01-26 11:15:08 +00:00
jasone
6f41342041 Optimize arena_bin_pop() to reduce the number of separator operations. 
Remove the block of code that tries to use delayed regions in LIFO order,
since from a policy perspective, it conflicts with LRU caching of newly
coalesced regions in arena_undelay().  There are numerous policy
alternatives, and it isn't readily obvious which (if any) is superior;
this change at least has the virtue of being consistent with policy.
 2006-01-26 08:11:23 +00:00
cognet
ee802bd791 Make getttyent() report what the pts ptys as well. 2006-01-26 01:34:26 +00:00
cognet
fcd65bac76 ptsname() bits for pts. 2006-01-26 01:33:55 +00:00
phk
a6d0508dd8 Make the %V{is} extension handle a NULL pointer like %s does: output "(null)" 
Add %M{essage} extension which prints an errno value as the
corresponding string if possible or numerically otherwise.

It is not currently possible to do the syslog(3) like %m extension
because errno would need to get capatured on entry to the first
function in the printf family, so %M requires you to supply errno
as an argument.

Add %Q{uote} extension which will print a string in double quotes with
appropriate back-slash escapes (only) if necessary.
 2006-01-25 12:45:24 +00:00