1 files changed, 72 insertions, 0 deletions
diff --git a/solenv/lockfile/lockfile.h b/solenv/lockfile/lockfile.h
new file mode 100644
index 000000000..f2f72022f
--- /dev/null
+++ b/solenv/lockfile/lockfile.h
@@ -0,0 +1,72 @@
+/*
+ *	Copyright (C) 1999 Miquel van Smoorenburg
+ *
+ *	This library is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU Library General Public License as
+ *	published by the Free Software Foundation; either version 2 of the
+ *	License, or (at your option) any later version.
+ *
+ *	On Debian GNU/Linux systems, the complete text of the GNU Library
+ *	General Public License can be found in `/usr/doc/copyright/LGPL'.
+ *	You can also find a copy on the GNU website at http://www.gnu.org/
+ */
+#ifndef LOCKFILE_H_
+#define LOCKFILE_H_
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/*
+ *	Prototypes.
+ */
+int	lockfile_create(const char *lockfile, int retries, int flags);
+int	lockfile_remove(const char *lockfile);
+int	lockfile_touch(const char *lockfile);
+int	lockfile_check(const char *lockfile, int flags);
+
+/*
+ *	Return values for lockfile_create()
+ */
+#define	L_SUCCESS	0	/* Lockfile created			*/
+#define L_NAMELEN	1	/* Recipient name too long 		*/
+#define L_TMPLOCK	2	/* Error creating temp lockfile		*/
+#define L_TMPWRITE	3	/* Can't write pid into temp lockfile	*/
+#define L_MAXTRYS	4	/* Failed after max. number of attempts	*/
+#define L_ERROR		5	/* Unknown error; check errno		*/
+#define L_MANLOCK	6	/* Cannot set mandatory lock on tempfile */
+#define L_ORPHANED	7	/* Called with L_PPID but parent is gone */
+#define L_RMSTALE	8	/* Failed to remove stale lockfile	*/
+
+/*
+ *	Flag values for lockfile_create()
+ */
+#define L_PID		16	/* Put PID in lockfile			*/
+#define L_PPID		32	/* Put PPID in lockfile			*/
+
+/*
+ * Experimental.
+ */
+struct lockargs_s_ {
+	int interval;		/* Static interval between retries	*/
+};
+#define L_INTERVAL_D_	64	/* Specify consistent retry interval	*/
+#ifdef LOCKFILE_EXPERIMENTAL
+#define lockargs	lockargs_s_
+#define L_INTERVAL	L_INTERVAL_D_
+int	lockfile_create2(const char *lockfile, int retries,
+		int flags, struct lockargs *args, int args_sz);
+#endif
+
+#ifndef LIB
+int check_sleep(int, int);
+#endif
+int is_maillock(const char *lockfile);
+int lockfile_create_set_tmplock(const char *lockfile, volatile char **tmplock,
+                                int retries, int flags, const struct lockargs_s_ *);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* _LOCKFILE_H */