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78f89679fc
freebsd-dev/lib/libc
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Konstantin Belousov 78f89679fc Add setproctitle_fast(3) for frequent callers. 
Some applications, notably PostgreSQL, want to call setproctitle()
very often.  It's slow.  Provide an alternative cheap way of updating
process titles without making any syscalls, instead requiring other
processes (top, ps etc) to do a bit more work to retrieve the data.
This uses a pre-existing code path inherited from ancient BSD, which
always did it that way.

Submitted by:	Thomas Munro
MFC after:	2 weeks
Differential revision:	https://reviews.freebsd.org/D16111
2018-07-04 13:31:16 +00:00
..
aarch64 Don't export _end on arm64 and riscv. 2018-06-01 23:42:10 +00:00
amd64 Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
arm Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
capability Replace dot-dot relative pathing with SRCTOP-relative paths where possible 2017-01-20 03:23:24 +00:00
compat-43 General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
db Remove "All rights reserved" from my files. 2018-05-10 06:41:08 +00:00
gdtoa libc: further adoption of SPDX licensing ID tags. 2017-11-25 17:12:48 +00:00
gen Add setproctitle_fast(3) for frequent callers. 2018-07-04 13:31:16 +00:00
gmon General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
i386 Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
iconv libc: further adoption of SPDX licensing ID tags. 2017-11-25 17:12:48 +00:00
include getentropy(3): Fallback to kern.arandom sysctl on older kernels 2018-03-21 23:52:37 +00:00
inet SPDX: license IDs for some ISC-related files. 2017-12-08 15:57:29 +00:00
isc SPDX: more ISC-related files. 2017-12-08 17:52:53 +00:00
locale Don't put multiple names on a single .Nm line. This fixes apropos(1) 2018-04-17 09:05:46 +00:00
md Replace dot-dot relative pathing with SRCTOP-relative paths where possible 2017-01-20 03:23:24 +00:00
mips Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
nameser SPDX: license IDs for some ISC-related files. 2017-12-08 15:57:29 +00:00
net Remove support for the Arcnet protocol. 2018-04-13 21:18:04 +00:00
nls Use current locale (f.e. set by thread). It was global locale always 2016-08-24 16:44:27 +00:00
posix1e libc: further adoption of SPDX licensing ID tags. 2017-11-25 17:12:48 +00:00
powerpc Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
powerpc64 Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
powerpcspe Correct an misunderstanding of MDSRCS. 2017-03-02 17:07:28 +00:00
quad General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
regex Add missing patch from r328240 2018-01-22 02:58:33 +00:00
resolv SPDX: license IDs for some ISC-related files. 2017-12-08 15:57:29 +00:00
riscv Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
rpc des_crypt.3: Fix typo. 2018-03-07 09:31:27 +00:00
secure Carefully update stack guard bytes inside __guard_setup(). 2018-04-24 15:59:39 +00:00
softfloat Add implementations for clog(3), clogf(3), and clog(3). 2018-05-13 09:54:34 +00:00
sparc64 Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
stdio Implement printf(3) family %m format string extension. 2018-05-22 11:05:40 +00:00
stdlib atoi.3: bump .Dd 2018-06-13 09:07:24 +00:00
stdtime libc: further adoption of SPDX licensing ID tags. 2017-11-25 17:12:48 +00:00
string strdup.3: Document standardization in POSIX 2018-06-06 21:32:49 +00:00
sys sigaction.2: Minor cleanups 2018-06-28 18:17:20 +00:00
tests Rework check for libclang_rt to see if the needed library exists. 2018-06-27 16:56:46 +00:00
uuid libc: further adoption of SPDX licensing ID tags. 2017-11-25 17:12:48 +00:00
x86/sys Fix a regression in r321608. 2017-08-13 14:42:23 +00:00
xdr General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
yp libc: further adoption of SPDX licensing ID tags. 2017-11-25 17:12:48 +00:00
libc_nossp.ldscript Add different libc ldscript: the one without libssp -- 2016-10-12 13:19:21 +00:00
libc.ldscript
Makefile Strip __RCSID() and __SCCSID() strings by default when building libc. 2018-07-03 16:45:49 +00:00
Makefile.depend DIRDEPS_BUILD: Regenerate without local dependencies. 2016-02-24 17:20:11 +00:00
Versions.def Create namespace for the symbols added during 12-CURRENT cycle. 2016-08-06 13:28:58 +00:00