diff options
Diffstat (limited to 'include/osl/conditn.h')
-rw-r--r-- | include/osl/conditn.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/osl/conditn.h b/include/osl/conditn.h new file mode 100644 index 000000000..785834bb1 --- /dev/null +++ b/include/osl/conditn.h @@ -0,0 +1,97 @@ +/* -*- 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 INCLUDED_OSL_CONDITN_H +#define INCLUDED_OSL_CONDITN_H + +#include "sal/config.h" + +#include "osl/time.h" +#include "sal/saldllapi.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef void* oslCondition; + +typedef enum { + osl_cond_result_ok, /*<! Successful completion. */ + osl_cond_result_error, /*<! Error occurred. @see osl_getLastSocketError() */ + osl_cond_result_timeout, /*<! Blocking operation timed out. */ + osl_cond_result_FORCE_EQUAL_SIZE = SAL_MAX_ENUM +} oslConditionResult; + +/** Creates a condition. + + @deprecated use C++11's std::condition_variable instead + for a more robust and helpful condition. + + The condition is in the reset-state. + + @retval osl_cond_result_error Condition could not be created. +*/ +SAL_DLLPUBLIC oslCondition SAL_CALL osl_createCondition(void); + +/** Free the memory used by the condition. + + @param Condition the condition handle. +*/ +SAL_DLLPUBLIC void SAL_CALL osl_destroyCondition(oslCondition Condition); + +/** Sets condition to True => wait() will not block, check() returns True. + + @attention @em all threads waiting on this condition are unblocked! + + @param Condition handle to a created condition. + @retval False if system-call failed. +*/ +SAL_DLLPUBLIC sal_Bool SAL_CALL osl_setCondition(oslCondition Condition); + +/** Sets condition to False => wait() will block, check() returns False + + @param Condition handle to a created condition. + @retval False if system-call failed. +*/ +SAL_DLLPUBLIC sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition); + +/** Blocks if condition is not set. + + @param Condition handle to a created condition. + @param pTimeout Timeout value or NULL for infinite waiting + @retval False Condition has been destroyed prematurely or system call has failed. +*/ +SAL_DLLPUBLIC oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, const TimeValue* pTimeout); + +/** Queries the state of the condition without blocking. + + @param Condition handle to a created condition. + + @retval True condition is set + @retval False condition is not set +*/ +SAL_DLLPUBLIC sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition); + +#ifdef __cplusplus +} +#endif + +#endif // INCLUDED_OSL_CONDITN_H + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |