Implement paranoia mode.
* nscd/connections.c (nscd_init): Mark database and socket descriptors
as close on exec.
(restart): New function.
(restart_p): New function.
(nscd_run): Add missing descrement of nready in case readylist is
empty.
(main_loop_poll): Call restart_p and restart.
(main_loop_epoll): Likewise.
(begin_drop_privileges): Save original UID and GID.
* nscd/nscd.c: Define new variables paranoia, restart_time,
restart_interval, oldcwd, old_gid, old_uid.
(main): Disable paranoia mode if we are not forking.
(check_pid): When re-execing, the PID file contains the same PID as
the current process. Do not fail in this case.
* nscd/nscd.conf: Add paranoia and restart-interval entries.
* nscd/nscd.h: Define RESTART_INTERVAL. Declare new variables.
* nscd/nscd_conf.c: Parse paranoia and restart-internal configurations.
* nscd/nscd_stat.c: Print paranoia and restart-internal values.
* nscd/nscd.c (termination_handler): Reset timestamp so that
client immediately stop using the database.
(__nscd_drop_map_ref): Change second parameter to be a reference to
* nscd/nscd.h: Add declaration of addinitgroups and
2004-08-26 Ulrich Drepper <drepper@redhat.com>
* nscd/cache.c: Major rewrite. The data is now optionally kept in
a mmaped memory region which is automatically mirrored on disk.
This implements persistent data storage. The Memory handled
needed to be completely revamped, it now uses a garbage collection
mechanism instead of malloc.
* nscd/connections.c: Likewise.
* nscd/nscd.c: Likewise.
* nscd/nscd.h: Likewise.
* nscd/nscd_conf.c: Likewise.
* nscd/nscd_stat.c: Likewise.
* nscd/grpcache.c: Likewise.
* nscd/hstcache.c:: Likewise.
* nscd/pwdcache.c:: Likewise.
* nscd/Makefile: Add rules to build mem.c.
* nscd/mem.c: New file.
* nscd/nscd.conf: Describe new configuration options.
Update.
* nscd/nscd_conf.c (nscd_parse_file): Little optimization.
2004-02-14 Thorsten Kukuk <kukuk@suse.de>
* nscd/dbg_log.c (set_logfile): Only save name of logfile,
don't open it.
(init_logfile): New function, open logfile if requested.
* nscd/dbg_log.h: Adjust protoype for set_logfile, add init_logfile.
* nscd/nscd.c (main): Call init_logfile after forking in background.
* nscd/nscd_conf.c (nscd_parse_file): Adjust for new set_logfile.
2004-02-16 Ulrich Drepper <drepper@redhat.com>
ld.so.preload is not present [BZ #18].
* nscd/cache.c (cache_search): Keep track of how many chain links
we searched and update table statistics.
(cache_add): Keep track of how many values are in the table.
(prune_cache): Likewise. Keep track of locking success.
Print messages about removed entries in separate pass.
* nscd/connections.c (handle_request): Don't print debug message here.
The caller will do it. Keep track of locking success.
(nscd_run): Print debug message. Also print PID of the client process.
* nscd/nscd.c (start_time): New variable.
(main): Remember start time.
* nscd/nscd.h: Declare start_time.
(struct database): Add more members for new statistics.
* nscd/nscd_stat.c: Add support for sending, receiving, and printing
of new statistics.
2003-04-22 Ulrich Drepper <drepper@redhat.com>
* nscd/nscd-client.h: Add declaration for __nscd_open_socket.
* nscd/nscd_gethst_r.c (__nscd_open_socket): Renamed from
open_socket. Not static anymore.
(nscd_gethst_r): Use __nscd_open_socket.
* nscd/nscd_getgr_r.c (open_socket): Removed.
(nscd_getgr_r): Use __nscd_open_socket.
* nscd/nscd_getpw_r.c (open_socket): Removed.
(nscd_getpw_r): Use __nscd_open_socket.
* nscd/nscd.c (main): Change type of fdn to long int and use strtol.
* nscd/connections.c (handle_request): Add cast to avoid warning.
2002-01-17 Ulrich Drepper <drepper@redhat.com>
* nscd/nscd.c (drop_privileges): Removed. Adjust caller.
* nscd/connections.c (begin_drop_privileges): New function.
(finish_drop_privileges): New function.
(nscd_init): Call the new functions which also install all groups
for the server user.
2002-01-17 H.J. Lu <hjl@gnu.org>
* sysdeps/mips/dl-machine.h (__dl_runtime_resolve): Remove
`const' from `got'.
2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
2000-07-17 Bruno Haible <haible@clisp.cons.org>
* iconv/gconv_open.c (__gconv_open): Initialize the __data
field of struct __gconv_trans_data differently. Don't pass NULL to
trans_init_fct. Simplify list append operation.
2000-07-14 Bruno Haible <haible@clisp.cons.org>
* intl/dcigettext.c (dcigettext): Call plural_eval on all platforms,
not only those having tsearch.
2000-07-17 Ulrich Drepper <drepper@redhat.com>
* locale/langinfo.h: Add placeholder values in enum for removed
LC_CTYPE entries.
2000-07-17 Jakub Jelinek <jakub@redhat.com>
* elf/dl-addr.c (_dl_addr): Keep searching in the _dl_loaded
chain if the PHDR check fails.
2000-07-17 Mark Kettenis <kettenis@gnu.org>
* nss/getent.c (print_hosts): Make sure we always print a space
between numeric addresses and hostnames.
2000-07-17 Wolfram Gloger <wg@malloc.de>
* malloc/malloc.c (chunk_alloc): Use mmap_chunk() only if allowed,
i.e. if n_mmaps_max>0.
2000-07-16 Mark Kettenis <kettenis@gnu.org>
* resolv/netdb.h (AI_V4MAPPED, AI_ALL, AI_ADDRCONFIG): Adjust
values to remove possible clash with other AI_* constants.
(AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST): Define as
hexadecimal constants to stress the fact they're in fact
bit flags.
2000-07-15 Mark Kettenis <kettenis@gnu.org>
* nss/getXXent_r.c [NEED__RES]: Include <resolv.h>.
(SETFUNC_NAME, ENDFUNC_NAME, REENTRANT_GETNAME): Use res_ninit
instead of res_init.
* iconv/iconv_prog.c (main): Handle input file name "-" correctly.
Recognize option -s, -c, and -l.
2000-04-20 Thorsten Kukuk <kukuk@suse.de>
* nscd/nscd.c: Start new session for nscd, drop privilegs
to configured user if requested and no -S parameter are used.
* nscd/nscd.conf: Add new option "server-user".
* nscd/nscd_conf.c: Add support for new "server-user" option.
* nscd/nscd.h: Add declaration for server_user variable.
Based on patch by Chris Wing <wingc@engin.umich.edu>
2000-04-29 Mark Kettenis <kettenis@gnu.org>
* sysdeps/unix/sysv/linux/i386/sigaction.c: Add comment explaining
that changing the __restore and __restore_rt signal return code
will break GDB.
2000-04-29 Mark Kettenis <kettenis@gnu.org>
* sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Do not include
<sys/user.h>.
2000-04-29 Mark Kettenis <kettenis@gnu.org>
* conform/data/ucontext.h-data: Allow ss_* instead of SS_*.
2000-04-29 Ulrich Drepper <drepper@redhat.com>
1999-06-14 Thorsten Kukuk <kukuk@suse.de>
* nscd/connections.c (handle_request): Only root is allowed to
send GETSTAT request in non secure mode.
* nscd/nscd.c: Print error message if other then root try to
use getstat.
1999-06-15 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add __sysctl.
1999-06-15 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* manual/time.texi (Limits on Resources): Describe RLIMIT_AS.
Closes PR libc/1164, reported by sascha@schumann.2ns.de.
1999-06-11 Thorsten Kukuk <kukuk@suse.de>
* nscd/nscd.c: Add -S options for separate caching of data for
every user. So one user couldn't see the data another user
has gotten with his credentials.
* nscd/nscd.h: Add new prototypes.
* nscd/cache.c: Compare owner of cache entry if in secure mode.
* nscd/connections.c: Check on shutdown if caller really was root.
In secure mode get uid of caller.
* nscd/grpcache.c: Add support for new secure group mode.
* nscd/hstcache.c: Add support for new secure hosts mode.
* nscd/pwdcache.c: Add support for new secure passwd mode.
1999-01-04 Ulrich Drepper <drepper@cygnus.com>
* catgets/gencat.c: Update year in copyright message text.
* db2/makedb.c: Likewise.
* debug/catchsegv.sh: Likewise.
* elf/ldd.bash.in: Likewise.
* iconv/iconv_prog.c: Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
* malloc/mtrace.pl: Likewise.
* nscd/nscd.c: Likewise.
1999-01-02 Philip Blundell <philb@gnu.org>
* sunrpc/Makefile: Ensure that we really use the right path for cpp.
1999-01-03 Philip Blundell <philb@gnu.org>
* Makefile (tests-clean): New test output files.
* Makerules (do-tests-clean): New rule to support the above.
* Rules (subdir_testclean): Likewise.
1999-01-03 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* iconv/Makefile: Use install-others instead of explicit
dependency on subdir_install.
1999-01-02 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* iconv/gconv_db.c (find_derivation): Release lock before
returning.
(__gconv_find_transform): Likewise.
1999-01-01 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* inet/ether_ntoa.c (ether_ntoa): Make `asc' static since that's
what we return.
1999-01-01 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* Makerules: Remove all references to obsolete variables
tests-static and test-srcs-static.
* Make-dist: Likewise.
* Rules: Likewise. Remove rules to generate obsolete
empty.{c,o*}.
1999-01-03 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/pread.c: Use the i386 implementation.
* sysdeps/unix/sysv/linux/arm/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/arm/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/arm/pwrite64.c: Likewise.
1998-10-18 Ulrich Drepper <drepper@cygnus.com>
* resolv/nss_dns/dns-host.c: Add missing errnop parameter to the
NSS functions.
* resolv/nss_dns/dns-network.c: Likewise.
* grp/Makefile: Don't search for linuxhtreads in add-ons, use
have-thread-library to determine whether threads are available.
* pwd/Makefile: Remove wrong comment.
* inet/Makefile: Define CFLAGS-gethstbyad_r.c, CFLAGS-gethstbynm_r.c,
and CFLAGS-gethstbynm2_r.c to -DUSE_NSCD=1.
* locale/C-messages.c: Define default strings for YESTR and NOSTR.
* nss/Versions: Add __nss_hosts_lookup.
* nss/getXXbyYY.c: Remove unneeded assignment.
* nss/getXXbyYY_r.c: Include nscd/nscd_proto.h only if needed.
Almost complete rewrite of the NSCD to make it smaller, faster,
add more functionnality and make it easier to extend.
* nscd/Makfile (routines): Add nscd_gethst_r.
(nscd-modules): Add hstcache, gethstbyad_r, gethstbynm2_r, and cache.
* nscd/cache.c: New file.
* nscd/gethstbyad_r.c: New file.
* nscd/gethstbynm2_r.c: New file.
* nscd/hstcache.c: New file.
* nscd/nscd_gethst_r.c: New file.
* nscd/connections.c: Rewritten. Don't start new thread for every
new connection. Use a fixed set of threads which handle all
connections and also the cache cleanup.
* nscd/grpcache.c: Rewritten to use generic cache handling functions
in cache.c.
* nscd/nscd.c: Recognize new parameter nthreads. Adjust initialization
for rewrite. Remove handle_requests function.
* nscd/nscd.h (NSCD_VERSION): Bump to 2.
Define new data structure for the new unified cache and the host
database entries.
* nscd/nscd_conf.c: Rewrite parsing partly to allow adding of more
databases easily. Recognize check-files and threads definitions.
* nscd/nscd.conf: Add definition of enable-cache and check-files to
passwd and group definitions. Add new set of definitions for hosts.
* nscd/nscd_getgr_r.c: Rewrite for new protocol.
* nscd/nscd_getpw_r.c: Likewise.
* nscd/nscd_proto.h: Add prototype for host database functions.
* nscd/nscd_stat.c: Rewrite to simplify printing of information
for many databases.
* nscd/dbg_log.c: Remove unnecessary variable initializations.
Global variable debug_flag is renamed to dbg_level.
* nscd/dbg_log.h: Declare set_logfile.
1998-07-24 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/generic/glob.c (glob): Fix problems with handle tilde.
Reported by Brian Wellington <bwelling@anomaly.munge.com>.
* elf/elf.h: Really define Elf64_Verdef, Elf64_Verdaux, Elf64_Verneed,
and Elf64_Vernaux.
1998-07-24 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* configure.in: Recognize pgcc as compiler.
Reported by sauron@angband.ee.ualberta.ca.
1998-07-02 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nscd/dbg_log.c: Make sure, that debug message is really written.
* nscd/nscd.c: Don't use daemon(), set signal handler after fork.
SVID more for gamma(x) with x integer <= 0.
1998-07-04 10:14 Ulrich Drepper <drepper@cygnus.com>
* libio/Makefile (routines): Add iofread_u and iofwrite_u.
* libio/Versions: Add fread_unlocked and fwrite_unlocked.
* Makerules (lib%.so): Adjust ignore pattern for last makefile change.
* time/tzfile.c (decode): Optimize by using bswap_32.
(__tzfile_read): Use _unlocked stream functions. Correct setting of
__tzname array values.
(__tzfile_compute): Correct setting of __tzname array values.
* time/tzset.c (__tzstring): Clean up a bit.
1998-06-29 19:01 Jim Wilson <wilson@cygnus.com>
* posix/regex.c (re_comp): Add cast to char * before gettext calls.
1998-06-30 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/bsd/poll.c (__poll): Allocate fd_set dynamically so
that fd can be bigger than FD_SETSIZE.
1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* nscd/grpcache.c: Include <unistd.h>.
* nscd/pwdcache.c: Likewise.
* nis/nis_modify.c: Include <string.h>.
* nis/nis_add.c: Likewise.
* nis/nis_checkpoint.c: Likewise.
* posix/runptests.c: Likewise.
* sysdeps/generic/statvfs64.c: Likewise.
* sysdeps/generic/fstatvfs64.c: Likewise.
1998-07-03 13:16 Ulrich Drepper <drepper@cygnus.com>
* localedata/charmaps/ISO-8859-9: Change mapping for 0xea, 0xec, 0xef
to match data from Unicode.
Reported by Michael Deutschmann <michael@talamasca.wkpowerlink.com>.
1998-07-03 11:45 Ulrich Drepper <drepper@cygnus.com>
* stdio-common/printf.h: Define printf_function and
printf_arginfo_function types using __PMT not __P.
Reported by Marc Lehmann.
1998-07-02 14:07 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
* assert/test-assert.c: New test.
* assert/test-assert-perr.c: New test.
* assert/Makefile (tests): Add test-assert and test-assert-perr.
1998-07-02 13:45 Zack Weinberg <zack@rabi.phys.columbia.edu>
BSD-style SCM_CREDS support.
* sysdeps/unix/sysv/linux/socket.h: Define struct cmsgcred and
SCM_CREDS.
* sysdeps/unix/sysv/linux/sendmsg.c: New file. Convert user
visible SCM_CREDS packet to what the kernel wants.
* sysdeps/unix/sysv/linux/recvmsg.c: New file. Convert
SCM_CREDS packet output by kernel to what users want.
* sysdeps/unix/sysv/linux/sendmsg.S: Moved to...
* sysdeps/unix/sysv/linux/__sendmsg.S: here.
* sysdeps/unix/sysv/linux/recvmsg.S: Moved to...
* sysdeps/unix/sysv/linux/__recvmsg.S: here.
* sysdeps/unix/sysv/linux/Makefile [subdir=socket]: Add
__sendmsg and __recvmsg to sysdep_routines.
* sysdeps/unix/sysv/linux/Dist: Add __sendmsg.S and __recvmsg.S.
1998-07-02 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nscd/grpcache.c: Fix gid pointer handling and debug messages.
* nscd/pwdcache.c: Fix uid pointer handling and debug messages.
* nscd/nscd.c: Check, if pthread_create fails.
1998-07-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* stdio-common/test_rdwr.c (main): Use %Zu for size_t in printf
format strings.
* stdio-common/bug1.c (main): Likewise.
* stdio-common/bug5.c (main): Likewise.
* stdio-common/tstgetln.c (main): Likewise.
* elf/sprof.c (generate_call_graph): Likewise.
(load_shobj): Likewise.
* posix/runptests.c (main): Likewise.
* string/tst-strlen.c (main): Likewise.
* sysdeps/libm-ieee754/e_acos.c (__ieee754_acos): Remove unused
variable q3.
* sysdeps/libm-ieee754/e_asin.c (__ieee754_asin): Likewise
1998-07-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* wctype/Versions: Add __towctrans.
Noticed by Alex Buell <alex.buell@tahallah.demon.co.uk>.
1998-07-02 Mark Kettenis <kettenis@phys.uva.nl>
* grp/initgroups.c (compat_call): Only call dynamically loaded
functions if they are really present.
1998-07-02 Mark Kettenis <kettenis@phys.uva.nl>
* sysdeps/unix/sysv/linux/bits/sched.h: Move __END_DECLS within
#ifdef that contains __BEGIN_DECLS.
1998-07-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libio/iofwrite.c: Fix return value when size == 0.
1998-07-01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* posix/Makefile (distribute): Add annexc.c.
(generated): Add $(objpfx)annexc and $(objpfx)annexc.out.
1998-07-01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
bits/pthreadtypes.h here, and do not clobber headers.
* sysdeps/unix/sysv/linux/Dist: Add bits/pthreadtypes.h.
1998-07-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* timezone/tst-timezone.c: Add tests for tzname variable.
1998-07-03 12:17 Zack Weinberg <zack@rabi.phys.columbia.edu>
* Makefile [versioning=yes]: Build the mapfiles with a pattern
rule that lists all of them as targets.
(sysd-versions): Depend only on Versions.def. Write a Makefile
fragment that defines $(vers-libs) based on contents of that file;
then include it.
(lib-noranlib): Depend on lib-mapfiles not sysd-versions.
(lib-mapfiles): New target, depends on sysd-versions and $(vers-libs).
Predicate all this on avoid-generated unset as well as versioning.
1998-07-03 14:35 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1998-02-24 15:12 Ulrich Drepper <drepper@cygnus.com>
* Makeconfig: Filter out frame-pointer effecting options when
compiling profiling or debugging code.
* config.h.in (internal_function): Don't define here if PROF is
defined.
* gmon/gmon.c (__moncontrol): Don't change state if already in error
state.
(__monstartup): If calloc fails set error state and mark array as
not allocated.
(_mcleanup): Don't call write_gmon if in error state. Don't try
to free array if not successfully allocated.
* elf/dl-load.c (STRING): Define to __STRING to enble expansion.
Include elf.h to get macro definitions.
Use __ELF?NATIVE?CLASS in message, not __ELF_WORDSIZE.
1998-02-24 09:40 Ulrich Drepper <drepper@cygnus.com>
* elf/ldd.sh.in: Add compatibility for broken old shells.
* elf/ldd.bash.in: Likewise.
1998-02-24 08:11 H.J. Lu <hjl@gnu.org>
* sunrpc/rpc_main.c (open_input): Check pipe return error.
* time/clocktest.c (main): Check signal return error.
1998-02-24 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* iconv/Makefile ($(inst_bindir)/iconv): Correct typo, add
"/" and use do-install-program. Reported by Mark M. Kettenis.
(subdir_install): Likewise.
1998-02-22 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* sunrpc/rpc_sample.c: Fix typo.
* nscd/connections.c: Use locale.
* nscd/grpcache.c: Add debug messages, gidtbl should get the
calloc result.
* nscd/nscd.c: Check if init functions fails.
* nscd/nscd_conf.c: Allow disabling of group cache.
* nscd/nscd_getgr_r.c: Fix return code if group not found.
* nscd/pwdcache.c: Fix debug messages.
1998-02-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libc.map: Add __monstartup and _mcleanup for profiling support.
1998-02-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libc.map: Export __getpagesize, for binary compatibility with
2.0.
1998-02-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* posix/globtest.sh: Use --library-path instead of
LD_LIBRARY_PATH.
* localedata/sort-test.sh: Likewise.
* localedata/tst-fmon.sh: Likewise. Avoid useless use of cat.
1998-02-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/sigaction.c: Translate between struct
sigaction and struct kernel_sigaction for __syscall_rt_sigaction.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/kernel_sigaction.h (struct
kernel_sigaction): Define.
* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h (struct
kernel_sigaction): Define.
1998-02-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* math/libm-test.c: Change epsilons for libm-ieee754.
1998-02-23 12:33 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/__longjmp.S: Fix race condition.
Reported by Bruno Haible <haible@ilog.fr>.
1998-01-31 20:52 Ulrich Drepper <drepper@cygnus.com>
* nscd/grpcache.c (cache_grpinit): Let calloc do the multiplication.
* nscd/pwdcache.c (cache_pwdinit): Use thread attribute to detach
thread and no pthread_detach.
* nscd/nscd.c: Rewrite to use argp instead of getopt.
* config.make.in: Likewise.
1998-01-31 Phil Blundell <philb@gnu.org>
* configure.in: Add --without-cvs option to suppress automatic
checkin of regenerated files.
* config.make: Likewise.
* Makefile: Respect with-cvs setting.
* Makerules: Likewise.
* configure.in: Allow the standalone ARM port to be configured.
1998-01-31 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* grp/getgrgid_r.c: Define USE_NSCD.
* grp/getgrnam_r.c: Likewise.
* pwd/getpwuid_r.c: Likewise.
* pwd/getpwnam_r.c: Likewise.
* sysdeps/unix/inet/Subdirs: Add nscd subdir.
* nss/getXXbyYY_r.c: Try at first nscd.
* nscd/Makefile: New, for the Name Switch Cache Daemon (nscd).
* nscd/connections.c: New file.
* nscd/dbg_log.c: New file.
* nscd/dbg_log.h: New file.
* nscd/grpcache.c: New file.
* nscd/nscd.c: New file.
* nscd/nscd.h: New file.
* nscd/nscd_conf.c: New file.
* nscd/nscd_stat.c: New file.
* nscd/pwdcache.c: New file.
* nscd/nscd_getgr_r.c: New, client code, linked into libc.
* nscd/nscd_getpw_r.c: Likewise.
* nscd/nscd_proto.h: New, prototypes for client functions.
* nscd/nscd.conf: New, example for a configuration file.
* nscd/nscd.init: New, example for a startup script.
* nscd/getgrgid_r.c: Old grp/getgrgid_r version, used from nscd to
avoid deadlocks.
* nscd/getgrnam_r.c: Likewise.
* nscd/getpwnam_r.c: Likewise.
* nscd/getpwuid_r.c: Likewise.
* nis/nis_cache.c: New file.
* nis/nis_cache2.h: New file.
* nis/nis_cache2_xdr.c: New file.
