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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . O S _ L O C K S --
-- --
-- S p e c --
-- --
-- Copyright (C) 2024-2025, Free Software Foundation, 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 3, 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
-- This is a Solaris (native) version of this package
with Ada.Unchecked_Conversion;
with Interfaces.C;
package System.OS_Locks is
pragma Preelaborate;
type mutex_t is limited private;
type Private_Task_Serial_Number is mod 2 ** Long_Long_Integer'Size;
-- Used to give each task a unique serial number
type Owner_ID is access all Integer;
function To_Owner_ID is
new Ada.Unchecked_Conversion (System.Address, Owner_ID);
type RTS_Lock;
type RTS_Lock_Ptr is access all RTS_Lock;
type RTS_Lock is record
L : aliased mutex_t;
Ceiling : System.Any_Priority := System.Any_Priority'First;
Saved_Priority : System.Any_Priority := System.Any_Priority'First;
Owner : Owner_ID;
Next : RTS_Lock_Ptr;
Level : Private_Task_Serial_Number := 0;
Buddy : Owner_ID;
Frozen : Boolean := False;
end record;
private
type array_type_9 is array (0 .. 3) of Interfaces.C.unsigned_char;
type record_type_3 is record
flag : array_type_9;
Xtype : Interfaces.C.unsigned_long;
end record;
pragma Convention (C, record_type_3);
type upad64_t is new Interfaces.Unsigned_64;
type mutex_t is record
flags : record_type_3;
lock : upad64_t;
data : upad64_t;
end record;
pragma Convention (C, mutex_t);
end System.OS_Locks;
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