1 // gold-threads.h -- thread support for gold -*- C++ -*-
3 // Copyright 2006, 2007 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
23 // gold can be configured to support threads. If threads are
24 // supported, the user can specify at runtime whether or not to
25 // support them. This provides an interface to manage locking
29 // A simple lock class.
31 #ifndef GOLD_THREADS_H
32 #define GOLD_THREADS_H
40 // A simple lock class.
57 // This class can not be copied.
59 Lock
& operator=(const Lock
&);
64 { return this->lock_
; }
76 { this->lock_
.acquire(); }
79 { this->lock_
.release(); }
82 // This class can not be copied.
83 Hold_lock(const Hold_lock
&);
84 Hold_lock
& operator=(const Hold_lock
&);
91 // A simple condition variable class. It is always associated with a
100 // Wait for the condition variable to be signalled. This should
101 // only be called when the lock is held.
105 // Signal the condition variable. This should only be called when
111 // This class can not be copied.
112 Condvar(const Condvar
&);
113 Condvar
& operator=(const Condvar
&);
116 Condvar_impl
* condvar_
;
119 } // End namespace gold.
121 #endif // !defined(GOLD_THREADS_H)