inherited_variable_options.hpp

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#pragma once
 
/// @file userver/engine/task/inherited_variable_options.hpp
/// @brief @copybrief engine::TaskInheritedVariablePriority
 
#include <cstdint>
 
USERVER_NAMESPACE_BEGIN
 
namespace engine {
 
/// @brief Controls whether a @ref engine::TaskInheritedVariable instance is inherited from the creating task.
enum class TaskInheritedVariablePriority : std::uint8_t {
    /// Default priority for @ref engine::TaskInheritedVariable. Propagates to normal tasks.
    kNormal = 0,
    /// The minimum priority for @ref engine::TaskInheritedVariable instances to propagate to background tasks
    /// (e.g. @ref utils::AsyncBackground).
    kBackground = 1,
    /// The minimum priority for @ref engine::TaskInheritedVariable instances to propagate to no-tracing tasks
    /// (e.g. @ref engine::AsyncNoTracing).
    /// As of now, this priority cannot be assigned to a variable.
    kNoTracing = 2,
    /// Do not inherit any variables.
    kNone = 2,
};
 
}  // namespace engine
 
USERVER_NAMESPACE_END