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Diffstat (limited to 'include/osl/conditn.hxx')
-rw-r--r-- | include/osl/conditn.hxx | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/include/osl/conditn.hxx b/include/osl/conditn.hxx new file mode 100644 index 000000000000..449242273a7f --- /dev/null +++ b/include/osl/conditn.hxx @@ -0,0 +1,121 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef _OSL_CONDITN_HXX_ +#define _OSL_CONDITN_HXX_ + +#ifdef __cplusplus + +#include <osl/time.h> + +#include <osl/conditn.h> + + +namespace osl +{ + + class Condition + { + public: + + enum Result + { + result_ok = osl_cond_result_ok, + result_error = osl_cond_result_error, + result_timeout = osl_cond_result_timeout + }; + + /* Create a condition. + */ + Condition() + { + condition = osl_createCondition(); + } + + /* Release the OS-structures and free condition data-structure. + */ + ~Condition() + { + osl_destroyCondition(condition); + } + + /* Release all waiting threads, check returns sal_True. + */ + void set() + { + osl_setCondition(condition); + } + + /* Reset condition to false: wait() will block, check() returns sal_False. + */ + void reset() { + osl_resetCondition(condition); + } + + /** Blocks the calling thread until condition is set. + */ + Result wait(const TimeValue *pTimeout = 0) + { + return (Result) osl_waitCondition(condition, pTimeout); + } + + /** Checks if the condition is set without blocking. + */ + sal_Bool check() + { + return osl_checkCondition(condition); + } + + + private: + oslCondition condition; + + /** The underlying oslCondition has no reference count. + + Since the underlying oslCondition is not a reference counted object, copy + constructed Condition may work on an already destructed oslCondition object. + + */ + Condition(const Condition&); + + /** The underlying oslCondition has no reference count. + + When destructed, the Condition object destroys the undelying oslCondition, + which might cause severe problems in case it's a temporary object. + + */ + Condition(oslCondition condition); + + /** This assignment operator is private for the same reason as + the copy constructor. + */ + Condition& operator= (const Condition&); + + /** This assignment operator is private for the same reason as + the constructor taking a oslCondition argument. + */ + Condition& operator= (oslCondition); + }; + +} + +#endif /* __cplusplus */ +#endif /* _OSL_CONDITN_HXX_ */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |