1 files changed, 68 insertions, 0 deletions
diff --git a/lib/sys_file.in.h b/lib/sys_file.in.h
new file mode 100644
index 0000000..dbce799
--- /dev/null
+++ b/lib/sys_file.in.h
@@ -0,0 +1,68 @@
+/* Provide a more complete sys/file.h.
+
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
+
+   This file 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 2.1 of the
+   License, or (at your option) any later version.
+
+   This file 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.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Richard W.M. Jones.  */
+
+#ifndef _@GUARD_PREFIX@_SYS_FILE_H
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+@PRAGMA_COLUMNS@
+
+/* The include_next requires a split double-inclusion guard.  */
+#if @HAVE_SYS_FILE_H@
+# @INCLUDE_NEXT@ @NEXT_SYS_FILE_H@
+#endif
+
+#ifndef _@GUARD_PREFIX@_SYS_FILE_H
+#define _@GUARD_PREFIX@_SYS_FILE_H
+
+/* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
+#ifndef LOCK_SH
+/* Operations for the 'flock' call (same as Linux kernel constants).  */
+# define LOCK_SH 1       /* Shared lock.  */
+# define LOCK_EX 2       /* Exclusive lock.  */
+# define LOCK_UN 8       /* Unlock.  */
+
+/* Can be OR'd in to one of the above.  */
+# define LOCK_NB 4       /* Don't block when locking.  */
+#endif
+
+/* The definition of _GL_WARN_ON_USE is copied here.  */
+
+#if @GNULIB_FLOCK@
+/* Apply or remove advisory locks on an open file.
+   Return 0 if successful, otherwise -1 and errno set.  */
+# if !@HAVE_FLOCK@
+extern int flock (int fd, int operation);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef flock
+# if HAVE_RAW_DECL_FLOCK
+_GL_WARN_ON_USE (flock, "flock is unportable - "
+                 "use gnulib module flock for portability");
+# endif
+#endif
+
+
+#endif /* _@GUARD_PREFIX@_SYS_FILE_H */
+#endif /* _@GUARD_PREFIX@_SYS_FILE_H */