/[svn]/linuxsampler/trunk/src/engines/common/Event.h
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revision 3292 by schoenebeck, Wed Jun 21 20:59:06 2017 UTC revision 3293 by schoenebeck, Tue Jun 27 22:19:19 2017 UTC
# Line 309  namespace LinuxSampler { Line 309  namespace LinuxSampler {
309      class VMEventHandler;      class VMEventHandler;
310      class VMExecContext;      class VMExecContext;
311    
312        /**
313         * Maximum amount of child script handler instances one script handler is
314         * allowed to create by calling built-in script function fork().
315         */
316        #define MAX_FORK_PER_SCRIPT_HANDLER 8
317    
318      /** @brief Real-time instrument script event.      /** @brief Real-time instrument script event.
319       *       *
320       * Encapsulates one execution instance of a real-time instrument script for       * Encapsulates one execution instance of a real-time instrument script for
# Line 332  namespace LinuxSampler { Line 338  namespace LinuxSampler {
338          int executionSlices; ///< Amount of times this script event has been executed by the ScriptVM runner class.          int executionSlices; ///< Amount of times this script event has been executed by the ScriptVM runner class.
339          bool ignoreAllWaitCalls; ///< If true: calling any built-in wait*() script function should be ignored (this variable may be set with the 2nd argument of built-in script function stop_wait()).          bool ignoreAllWaitCalls; ///< If true: calling any built-in wait*() script function should be ignored (this variable may be set with the 2nd argument of built-in script function stop_wait()).
340          VMEventHandlerType_t handlerType; ///< Native representation of built-in script variable $NI_CALLBACK_TYPE, reflecting the script event type of this script event.          VMEventHandlerType_t handlerType; ///< Native representation of built-in script variable $NI_CALLBACK_TYPE, reflecting the script event type of this script event.
341            script_callback_id_t parentHandlerID; ///< Only in case this script handler instance was created by calling built-in script function fork(): callback ID of the parent event handler instance which created this child. For regular event handler instances which were not created by fork(), this variable reflects 0 (which is always considered an invalid handler ID).
342            script_callback_id_t childHandlerID[MAX_FORK_PER_SCRIPT_HANDLER+1]; ///< In case built-in script function fork() was called by this script handler instance: A zero terminated ID list of all child event handler instances (note: children will not vanish from this list after they terminated).
343            bool autoAbortByParent; ///< Only if this is a child event handler created by calling fork(): if this is true then this child will automatically aborted if the parent event handler terminates.
344            int forkIndex; ///< Only for fork() calls: distinguishment feature which is 0 for parent, 1 for 1st child, 2 for 2nd child, etc.
345    
346            void forkTo(ScriptEvent* e, bool bAutoAbort) const;
347            int countChildHandlers() const;
348            void addChildHandlerID(script_callback_id_t childID);
349      };      };
350    
351      /**      /**
# Line 343  namespace LinuxSampler { Line 357  namespace LinuxSampler {
357       * interpreted by this method to be "now".       * interpreted by this method to be "now".
358       *       *
359       * The meaning of @a fragmentPosBase becomes more important the larger       * The meaning of @a fragmentPosBase becomes more important the larger
360       * the audio fragment size, and vice versa it bcomes less important the       * the audio fragment size, and vice versa it becomes less important the
361       * smaller the audio fragment size.       * smaller the audio fragment size.
362       *       *
363       * @param queue - destination scheduler queue       * @param queue - destination scheduler queue
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