dotlock bindings.

1 files changed, 112 insertions, 0 deletions

diff --git a/dotlock.h b/dotlock.h
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+/* dotlock.h - dotfile locking declarations
+ * Copyright (C) 2000, 2001, 2006, 2011 Free Software Foundation, Inc.
+ *
+ * This file is part of JNLIB, which is a subsystem of GnuPG.
+ *
+ * JNLIB is free software; you can redistribute it and/or modify it
+ * under the terms of either
+ *
+ *   - the GNU Lesser General Public License as published by the Free
+ *     Software Foundation; either version 3 of the License, or (at
+ *     your option) any later version.
+ *
+ * or
+ *
+ *   - the GNU General Public License as published by the Free
+ *     Software Foundation; either version 2 of the License, or (at
+ *     your option) any later version.
+ *
+ * or both in parallel, as here.
+ *
+ * JNLIB is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copies of the GNU General Public License
+ * and the GNU Lesser General Public License along with this program;
+ * if not, see <http://www.gnu.org/licenses/>.
+ *
+ * ALTERNATIVELY, this file may be distributed under the terms of the
+ * following license, in which case the provisions of this license are
+ * required INSTEAD OF the GNU Lesser General License or the GNU
+ * General Public License. If you wish to allow use of your version of
+ * this file only under the terms of the GNU Lesser General License or
+ * the GNU General Public License, and not to allow others to use your
+ * version of this file under the terms of the following license,
+ * indicate your decision by deleting this paragraph and the license
+ * below.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, and the entire permission notice in its entirety,
+ *    including the disclaimer of warranties.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBJNLIB_DOTLOCK_H
+#define LIBJNLIB_DOTLOCK_H
+
+/* See dotlock.c for a description.  */
+
+#ifdef DOTLOCK_EXT_SYM_PREFIX
+# ifndef _DOTLOCK_PREFIX
+#  define _DOTLOCK_PREFIX1(x,y)  x ## y
+#  define _DOTLOCK_PREFIX2(x,y) _DOTLOCK_PREFIX1(x,y)
+#  define _DOTLOCK_PREFIX(x)    _DOTLOCK_PREFIX2(DOTLOCK_EXT_SYM_PREFIX,x)
+# endif /*_DOTLOCK_PREFIX*/
+# define dotlock_disable          _DOTLOCK_PREFIX(dotlock_disable)
+# define dotlock_create           _DOTLOCK_PREFIX(dotlock_create)
+# define dotlock_set_fd           _DOTLOCK_PREFIX(dotlock_set_fd)
+# define dotlock_get_fd           _DOTLOCK_PREFIX(dotlock_get_fd)
+# define dotlock_destroy          _DOTLOCK_PREFIX(dotlock_destroy)
+# define dotlock_take             _DOTLOCK_PREFIX(dotlock_take)
+# define dotlock_release          _DOTLOCK_PREFIX(dotlock_release)
+# define dotlock_remove_lockfiles _DOTLOCK_PREFIX(dotlock_remove_lockfiles)
+#endif /*DOTLOCK_EXT_SYM_PREFIX*/
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0
+}
+#endif
+#endif
+
+
+struct dotlock_handle;
+typedef struct dotlock_handle *dotlock_t;
+
+void dotlock_disable (void);
+dotlock_t dotlock_create (const char *file_to_lock, unsigned int flags);
+void dotlock_set_fd (dotlock_t h, int fd);
+int  dotlock_get_fd (dotlock_t h);
+void dotlock_destroy (dotlock_t h);
+int dotlock_take (dotlock_t h, long timeout);
+int dotlock_release (dotlock_t h);
+void dotlock_remove_lockfiles (void);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*LIBJNLIB_DOTLOCK_H*/