mirror of git://git.gnupg.org/gnupg.git
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/* dotlock.h - dotfile locking declarations
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* Copyright (C) 2000, 2001, 2006, 2011 Free Software Foundation, Inc.
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*
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* This file is part of JNLIB, which is a subsystem of GnuPG.
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*
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* JNLIB is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* JNLIB is distributed in the hope that it will be useful, but
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBJNLIB_DOTLOCK_H
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#define LIBJNLIB_DOTLOCK_H
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/* See dotlock.c for a description. */
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#ifdef DOTLOCK_EXT_SYM_PREFIX
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# ifndef _DOTLOCK_PREFIX
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# define _DOTLOCK_PREFIX1(x,y) x ## y
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# define _DOTLOCK_PREFIX2(x,y) _DOTLOCK_PREFIX1(x,y)
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# define _DOTLOCK_PREFIX(x) _DOTLOCK_PREFIX2(DOTLOCK_EXT_SYM_PREFIX,x)
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# endif /*_DOTLOCK_PREFIX*/
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# define dotlock_disable _DOTLOCK_PREFIX(dotlock_disable)
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# define dotlock_create _DOTLOCK_PREFIX(dotlock_create)
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# define dotlock_set_fd _DOTLOCK_PREFIX(dotlock_set_fd)
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# define dotlock_get_fd _DOTLOCK_PREFIX(dotlock_get_fd)
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# define dotlock_destroy _DOTLOCK_PREFIX(dotlock_destroy)
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# define dotlock_take _DOTLOCK_PREFIX(dotlock_take)
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# define dotlock_release _DOTLOCK_PREFIX(dotlock_release)
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# define dotlock_remove_lockfiles _DOTLOCK_PREFIX(dotlock_remove_lockfiles)
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#endif /*DOTLOCK_EXT_SYM_PREFIX*/
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#ifdef __cplusplus
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extern "C"
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{
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#if 0
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}
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#endif
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#endif
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struct dotlock_handle;
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typedef struct dotlock_handle *dotlock_t;
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void dotlock_disable (void);
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dotlock_t dotlock_create (const char *file_to_lock, unsigned int flags);
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void dotlock_set_fd (dotlock_t h, int fd);
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int dotlock_get_fd (dotlock_t h);
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void dotlock_destroy (dotlock_t h);
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int dotlock_take (dotlock_t h, long timeout);
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int dotlock_release (dotlock_t h);
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void dotlock_remove_lockfiles (void);
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#ifdef __cplusplus
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}
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#endif
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#endif /*LIBJNLIB_DOTLOCK_H*/
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