taskrequiresresource.cxh

/// @brief Resource acquisition requirement
///
/// @defgroup taskrequires_resource Resource Requirements
/// @ingroup taskrequires
/// @{
///
/// TaskRequiresResource ensures exclusive access to a shared resource before the task runs.
/// The resource is acquired through the TaskResource interface, which provides different
/// acquisition strategies (mutex, FIFO, LIFO).
///
/// Tracks ownership state to prevent re-acquiring an already owned resource.
/// The resource is held for the duration of task execution and released when done.
#include "taskrequires.cxh"
#include <cx/taskqueue/resource/taskresource.cxh>
 
/// Requirement for exclusive access to a shared resource.
class TaskRequiresResource extends TaskRequires {
    bool owned;             ///< True if resource has been acquired by this requirement
    object:TaskResource res; ///< Resource to acquire
 
    /// Create a resource requirement.
    /// @param res Resource to acquire exclusively before task runs
    /// @return New TaskRequiresResource instance
    factory create([in] TaskResource *res);
}
 
/// @}