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Mon Aug 12 04:33:09 1996 Ulrich Drepper <drepper@cygnus.com> * nss/nsswitch.c (__nss_database_lookup): Always release locks before returning. Reported by Miles Bader. (distributes): Add databases.def.cvs/thomas-posix1996 cvs/libc-ud-960811-2
Ulrich Drepper
30 years ago
16 changed files with 271 additions and 79 deletions
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#! /bin/sh |
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# interlock - wrap program invocation in lock to allow |
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# parallel builds to work. |
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# Written by Tom Tromey <tromey@cygnus.com>, Aug 10 1996 |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2, or (at your option) |
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# any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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# Usage: |
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# interlock lock-dir-name program args-to-program... |
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dirname="$1" |
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program="$2" |
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shift |
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shift |
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while (mkdir $dirname > /dev/null 2>&1 && exit 1 || exit 0); do |
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# Wait a bit. |
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sleep 1 |
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done |
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# Race condition here: if interrupted after the loop but before this |
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# trap, the lock can be left around. |
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trap "rmdir $dirname > /dev/null 2>&1" 1 2 3 15 |
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# We have the lock, so run the program. |
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$program ${1+"$@"} |
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ret=$? |
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# Release the lock. |
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rmdir $dirname > /dev/null 2>&1 |
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exit $ret |
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#include <nss/nss.h> |
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/* List of all databases defined for the NSS in GNU C Library. |
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Copyright (C) 1996 Free Software Foundation, Inc. |
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This file is part of the GNU C Library. |
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. |
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|
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public License as |
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published by the Free Software Foundation; either version 2 of the |
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License, or (at your option) any later version. |
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|
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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|
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You should have received a copy of the GNU Library General Public |
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License along with the GNU C Library; see the file COPYING.LIB. If |
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. */ |
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/* This list must be kept sorted!!! */ |
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DEFINE_DATABASE (ethers) |
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DEFINE_DATABASE (group) |
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DEFINE_DATABASE (hosts) |
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DEFINE_DATABASE (networks) |
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DEFINE_DATABASE (passwd) |
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DEFINE_DATABASE (protocols) |
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DEFINE_DATABASE (rpc) |
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DEFINE_DATABASE (services) |
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DEFINE_DATABASE (shadow) |
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/* Copyright (C) 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library. |
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|
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public License as |
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published by the Free Software Foundation; either version 2 of the |
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License, or (at your option) any later version. |
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|
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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|
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You should have received a copy of the GNU Library General Public |
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License along with the GNU C Library; see the file COPYING.LIB. If |
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. */ |
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|
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/* Define interface to NSS. This is meant for the interface functions
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and for implementors of new services. */ |
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#ifndef _NSS_H |
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#define _NSS_H 1 |
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#include <features.h> |
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/* Revision number of NSS interface (must be a string). */ |
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#define NSS_SHLIB_REVISION ".1" |
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__BEGIN_DECLS |
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/* Possible results of lookup using a nss_* function. */ |
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enum nss_status |
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{ |
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NSS_STATUS_TRYAGAIN = -2, |
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NSS_STATUS_UNAVAIL, |
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NSS_STATUS_NOTFOUND, |
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NSS_STATUS_SUCCESS, |
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}; |
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/* Overwrite service selection for database DBNAME using specification
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in STRING. |
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This function should only be used by system programs which have to |
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work around non-existing services (e.e., while booting). |
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Attention: Using this function repeatedly will slowly eat up the |
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whole memory since previous selection data cannot be freed. */ |
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extern int __nss_configure_lookup __P ((__const char *__dbname, |
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__const char *__string)); |
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__END_DECLS |
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#endif /* nss.h */ |
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