1 files changed, 57 insertions, 14 deletions
diff --git a/common/dotlock.h b/common/dotlock.h
index 407a80b37..5267ceb09 100644
--- a/common/dotlock.h
+++ b/common/dotlock.h
@@ -1,33 +1,76 @@
-/* dotlock.h
- *	Copyright (C) 2000, 2001, 2006 Free Software Foundation, Inc.
+/* dotlock.h - dotfile locking declarations
+ * Copyright (C) 2000, 2001, 2006, 2011 Free Software Foundation, Inc.
  *
- * This file is part of JNLIB.
+ * 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 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.
+ * 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
- * Lesser General Public License for more details.
+ * General Public License for more details.
  *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * 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/>.
  */
 
 #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 disable_dotlock (void);
-dotlock_t create_dotlock (const char *file_to_lock);
-void destroy_dotlock ( dotlock_t h );
-int make_dotlock (dotlock_t h, long timeout);
-int release_dotlock (dotlock_t h);
+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*/