669ef612
 Steven de Ridder
added cmake check...
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/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ***************************************************************************/
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fe467aa5
Steven de Ridder
Initial commit MI...
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#ifndef OSDEV_COMPONENTS_THREADCONTEXT_H
#define OSDEV_COMPONENTS_THREADCONTEXT_H
// Qt
#include <QString>
namespace osdev {
namespace components {
/**
* @brief Set the current thread context.
* The context is restored to the previous context when this object goes out of scope.
* @note This object is meant to be used on the stack.
*/
class ThreadContextScope
{
public:
/**
* @brief Construct a scoped object that sets the current thread context.
* @param context The context that will be used by the logging framework.
*/
explicit ThreadContextScope(const QString& context);
~ThreadContextScope();
// Non copyable and non movable
ThreadContextScope(const ThreadContextScope&) = delete;
ThreadContextScope& operator=(const ThreadContextScope&) = delete;
ThreadContextScope(ThreadContextScope&&) = delete;
ThreadContextScope& operator=(ThreadContextScope&&) = delete;
private:
QString m_previousContext; ///< Copy of the previous context.
};
/**
* @brief Add context to a thread.
* For every thread only one specific instance of this object will exist.
* @note Contexts can only be set by using a ThreadContextScope object.
*/
class ThreadContext
{
// Contexts can only be set by using a ThreadContextScope object.
friend class ThreadContextScope;
public:
static ThreadContext& instance();
/**
* @brief Return the thread context.
*/
const QString& context() const
{
return m_context;
}
private:
/**
* @brief Set the thread context.
*/
void setContext(const QString& contextString)
{
m_context = contextString;
}
/**
* Construct a ThreadContext object.
* The context is set to "default"
*/
ThreadContext();
// Non copyable and non movable
ThreadContext(const ThreadContext&) = delete;
ThreadContext& operator=(const ThreadContext&) = delete;
ThreadContext(ThreadContext&&) = delete;
ThreadContext& operator=(ThreadContext&&) = delete;
QString m_context; ///< The context string
};
} /* End namespace components */
} /* End namespace osdev */
#endif // OSDEV_COMPONENTS_THREADCONTEXT_H
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