| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #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_ */ |
| |