+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- G N A T . L O C K _ F I L E S --
--- --
--- S p e c --
--- --
--- $Revision: 1.1 $
--- --
--- Copyright (C) 1995-2001 Ada Core Technologies, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT 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 copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT is maintained by Ada Core Technologies Inc (http://www.gnat.com). --
--- --
-------------------------------------------------------------------------------
-
- -- This package contains the necessary routines for using files for the
- -- purpose of providing realiable system wide locking capability.
-
-package GNAT.Lock_Files is
-pragma Preelaborate;
-
- Lock_Error : exception;
- -- Exception raised if file cannot be locked
-
- procedure Lock_File
- (Directory : String;
- Lock_File_Name : String;
- Wait : Duration := 1.0;
- Retries : Natural := Natural'Last);
- -- Create a lock file Lock_File_Name in directory Directory. If the file
- -- cannot be locked because someone already owns the lock, this procedure
- -- waits Wait seconds and retries at most Retries times. If the file
- -- still cannot be locked, Lock_Error is raised. The default is to try
- -- every second, almost forever (Natural'Last times).
-
- procedure Lock_File
- (Lock_File_Name : String;
- Wait : Duration := 1.0;
- Retries : Natural := Natural'Last);
- -- See above. The full lock file path is given as one string.
-
- procedure Unlock_File (Directory : String; Lock_File_Name : String);
- -- Unlock a file
-
- procedure Unlock_File (Lock_File_Name : String);
- -- Unlock a file whose full path is given in Lock_File_Name
-
-end GNAT.Lock_Files;
projects / msp430-gcc.git / blobdiff