Mbed OS Reference | Event.h Source File

 /*
  * Copyright (c) 2016-2019 ARM Limited
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed 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 EVENT_H
 #define EVENT_H
 
 #include <utility>
 #include "events/EventQueue.h"
 #include "platform/mbed_assert.h"
 
 namespace events {
 /** \defgroup events-public-api Events
  * \ingroup mbed-os-public
  * @{
  */
 
 /** Event
  *
  *  Representation of an event for fine-grain dispatch control
  */
 template <typename F>
 class Event;
 
 /**
  * \defgroup events_Event Event<void()> class
  * @{
  */
 
 /** Event
  *
  *  Representation of an event for fine-grain dispatch control
  */
 template <typename... ArgTs>
 class Event<void(ArgTs...)> {
 public:
     using duration = std::chrono::duration<int, std::milli>;
 
     /** Create an event
      *
      *  Constructs an event bound to the specified event queue. The specified
      *  callback acts as the target for the event and is executed in the
      *  context of the event queue's dispatch loop once posted.
      *
      *  @param q        Event queue to dispatch on
      *  @param f        Function to execute when the event is dispatched
      */
     template <typename F>
     Event(EventQueue *q, F f)
     {
         _event = static_cast<struct event *>(
                      equeue_alloc(&q->_equeue, sizeof(struct event) + sizeof(F)));
 
         if (_event) {
             _event->equeue = &q->_equeue;
             _event->id = 0;
             _event->delay = duration(0);
             _event->period = duration(-1);
 
             _event->post = &Event::event_post<F>;
             _event->dtor = &Event::event_dtor<F>;
 
             new (_event + 1) F(std::move(f));
 
             _event->ref = 1;
         }
     }
 
     /** Copy constructor for events
      */
     Event(const Event &e)
     {
         _event = 0;
         if (e._event) {
             _event = e._event;
             _event->ref += 1;
         }
     }
 
     /** Assignment operator for events
      */
     Event &operator=(const Event &that)
     {
         if (this != &that) {
             this->~Event();
             new (this) Event(that);
         }
 
         return *this;
     }
 
     /** Destructor for events
      */
     ~Event()
     {
         if (_event) {
             _event->ref -= 1;
             if (_event->ref == 0) {
                 _event->dtor(_event);
                 equeue_dealloc(_event->equeue, _event);
             }
         }
     }
 
     /** Configure the delay of an event
      *
      *  @param d    Millisecond delay before dispatching the event
      */
     void delay(duration d)
     {
         if (_event) {
             _event->delay = d;
         }
     }
 
     /** Configure the delay of an event
      *  @deprecated Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.
      *
      *  @param d    Millisecond delay before dispatching the event
      */
     MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
     void delay(int d)
     {
         delay(duration(d));
     }
 
     /** Configure the period of an event
      *
      *  @param p   Millisecond period for repeatedly dispatching an event
      */
     void period(duration p)
     {
         if (_event) {
             _event->period = p;
         }
     }
 
     /** Configure the period of an event
      *  @deprecated Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.
      *
      *  @param p   Millisecond period for repeatedly dispatching an event
      */
     MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
     void period(int p)
     {
         period(duration(p));
     }
 
     /** Posts an event onto the underlying event queue
      *
      *  The event is posted to the underlying queue and is executed in the
      *  context of the event queue's dispatch loop.
      *
      *  The post function is IRQ safe and can act as a mechanism for moving
      *  events out of IRQ contexts.
      *
      *  @param args     Arguments to pass to the event
      *  @return         A unique id that represents the posted event and can
      *                  be passed to EventQueue::cancel, or an id of 0 if
      *                  there is not enough memory to allocate the event.
      */
     int post(ArgTs... args) const
     {
         if (!_event) {
             return 0;
         }
 
         _event->id = _event->post(_event, args...);
         return _event->id;
     }
 
     /** Posts an event onto the underlying event queue, returning void
      *
      *  @param args     Arguments to pass to the event
      */
     void call(ArgTs... args) const
     {
         MBED_UNUSED int id = post(args...);
         MBED_ASSERT(id);
     }
 
     /** Posts an event onto the underlying event queue, returning void
      *
      *  @param args     Arguments to pass to the event
      */
     void operator()(ArgTs... args) const
     {
         return call(args...);
     }
 
     /** Static thunk for passing as C-style function
      *
      *  @param func     Event to call passed as a void pointer
      *  @param args     Arguments to pass to the event
      */
     static void thunk(void *func, ArgTs... args)
     {
         return static_cast<Event *>(func)->call(args...);
     }
 
     /** Cancels the most recently posted event
      *
      *  Attempts to cancel the most recently posted event. It is safe to call
      *  cancel after an event has already been dispatched.
      *
      *  The cancel function is IRQ safe.
      *
      *  If called while the event queue's dispatch loop is active, the cancel
      *  function does not guarantee that the event will not execute after it
      *  returns, as the event may have already begun executing.
      */
     void cancel() const
     {
         if (_event) {
             equeue_cancel(_event->equeue, _event->id);
         }
     }
 
 private:
     struct event {
         unsigned ref;
         equeue_t *equeue;
         int id;
 
         duration delay;
         duration period;
 
         int (*post)(struct event *, ArgTs... args);
         void (*dtor)(struct event *);
 
         // F follows
     } *_event;
 
     // Event attributes
     template <typename F>
     static int event_post(struct event *e, ArgTs... args)
     {
         typedef EventQueue::context<F, ArgTs...> C;
         void *p = equeue_alloc(e->equeue, sizeof(C));
         if (!p) {
             return 0;
         }
 
         new (p) C(*(F *)(e + 1), args...);
         equeue_event_delay(p, e->delay.count());
         equeue_event_period(p, e->period.count());
         equeue_event_dtor(p, &EventQueue::function_dtor<C>);
         return equeue_post(e->equeue, &EventQueue::function_call<C>, p);
     }
 
     template <typename F>
     static void event_dtor(struct event *e)
     {
         ((F *)(e + 1))->~F();
     }
 
 public:
     /** Create an event
      *  @param q                Event queue to dispatch on
      *  @param f                Function to execute when the event is dispatched
      *  @param context_args     Arguments to bind to the callback, these arguments are
      *                          allocated on an IRQ-safe allocator from the event queue's
      *                          memory pool. Must be type-compatible with bound_args, the
      *                          arguments to the underlying callback.
      */
     template <typename F, typename... ContextArgTs>
     Event(EventQueue *q, F f, ContextArgTs... context_args) :
         Event(q, EventQueue::context<F, ContextArgTs...>(f, context_args...)) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0>
     Event(EventQueue *q, T *obj, R(T::*method)(B0, ArgTs...), B0 b0) :
         Event(q, mbed::callback(obj, method), b0) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0>
     Event(EventQueue *q, const T *obj, R(T::*method)(B0, ArgTs...) const, B0 b0) :
         Event(q, mbed::callback(obj, method), b0) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0>
     Event(EventQueue *q, volatile T *obj, R(T::*method)(B0, ArgTs...) volatile, B0 b0) :
         Event(q, mbed::callback(obj, method), b0) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0>
     Event(EventQueue *q, const volatile T *obj, R(T::*method)(B0, ArgTs...) const volatile, B0 b0) :
         Event(q, mbed::callback(obj, method), b0) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1>
     Event(EventQueue *q, T *obj, R(T::*method)(B0, B1, ArgTs...), B0 b0, B1 b1) :
         Event(q, mbed::callback(obj, method), b0, b1) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1>
     Event(EventQueue *q, const T *obj, R(T::*method)(B0, B1, ArgTs...) const, B0 b0, B1 b1) :
         Event(q, mbed::callback(obj, method), b0, b1) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1>
     Event(EventQueue *q, volatile T *obj, R(T::*method)(B0, B1, ArgTs...) volatile, B0 b0, B1 b1) :
         Event(q, mbed::callback(obj, method), b0, b1) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1>
     Event(EventQueue *q, const volatile T *obj, R(T::*method)(B0, B1, ArgTs...) const volatile, B0 b0, B1 b1) :
         Event(q, mbed::callback(obj, method), b0, b1) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2>
     Event(EventQueue *q, T *obj, R(T::*method)(B0, B1, B2, ArgTs...), B0 b0, B1 b1, B2 b2) :
         Event(q, mbed::callback(obj, method), b0, b1, b2) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2>
     Event(EventQueue *q, const T *obj, R(T::*method)(B0, B1, B2, ArgTs...) const, B0 b0, B1 b1, B2 b2) :
         Event(q, mbed::callback(obj, method), b0, b1, b2) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2>
     Event(EventQueue *q, volatile T *obj, R(T::*method)(B0, B1, B2, ArgTs...) volatile, B0 b0, B1 b1, B2 b2) :
         Event(q, mbed::callback(obj, method), b0, b1, b2) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2>
     Event(EventQueue *q, const volatile T *obj, R(T::*method)(B0, B1, B2, ArgTs...) const volatile, B0 b0, B1 b1, B2 b2) :
         Event(q, mbed::callback(obj, method), b0, b1, b2) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2, typename B3>
     Event(EventQueue *q, T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...), B0 b0, B1 b1, B2 b2, B3 b3) :
         Event(q, mbed::callback(obj, method), b0, b1, b2, b3) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2, typename B3>
     Event(EventQueue *q, const T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) const, B0 b0, B1 b1, B2 b2, B3 b3) :
         Event(q, mbed::callback(obj, method), b0, b1, b2, b3) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2, typename B3>
     Event(EventQueue *q, volatile T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) volatile, B0 b0, B1 b1, B2 b2, B3 b3) :
         Event(q, mbed::callback(obj, method), b0, b1, b2, b3) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2, typename B3>
     Event(EventQueue *q, const volatile T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) const volatile, B0 b0, B1 b1, B2 b2, B3 b3) :
         Event(q, mbed::callback(obj, method), b0, b1, b2, b3) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename B4>
     Event(EventQueue *q, T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...), B0 b0, B1 b1, B2 b2, B3 b3, B4 b4) :
         Event(q, mbed::callback(obj, method), b0, b1, b2, b3, b4) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename B4>
     Event(EventQueue *q, const T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...) const, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4) :
         Event(q, mbed::callback(obj, method), b0, b1, b2, b3, b4) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename B4>
     Event(EventQueue *q, volatile T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...) volatile, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4) :
         Event(q, mbed::callback(obj, method), b0, b1, b2, b3, b4) { }
 
     /** Create an event
      *  @see Event::Event
      */
     template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename B4>
     Event(EventQueue *q, const volatile T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...) const volatile, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4) :
         Event(q, mbed::callback(obj, method), b0, b1, b2, b3, b4) { }
 };
 
 /** @}*/
 
 
 // Convenience functions declared here to avoid cyclic
 // dependency between Event and EventQueue
 template <typename R, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(R(*func)(ArgTs...))
 {
     return Event<void(ArgTs...)>(this, func);
 }
 
 template <typename T, typename R, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(T *obj, R(T::*method)(ArgTs...))
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method));
 }
 
 template <typename T, typename R, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const T *obj, R(T::*method)(ArgTs...) const)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method));
 }
 
 template <typename T, typename R, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(volatile T *obj, R(T::*method)(ArgTs...) volatile)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method));
 }
 
 template <typename T, typename R, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const volatile T *obj, R(T::*method)(ArgTs...) const volatile)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method));
 }
 
 template <typename R, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(mbed::Callback<R(ArgTs...)> cb)
 {
     return Event<void(ArgTs...)>(this, cb);
 }
 
 template <typename R, typename B0, typename C0, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(R(*func)(B0, ArgTs...), C0 c0)
 {
     return Event<void(ArgTs...)>(this, func, c0);
 }
 
 template <typename T, typename R, typename B0, typename C0, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(T *obj, R(T::*method)(B0, ArgTs...), C0 c0)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0);
 }
 
 template <typename T, typename R, typename B0, typename C0, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const T *obj, R(T::*method)(B0, ArgTs...) const, C0 c0)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0);
 }
 
 template <typename T, typename R, typename B0, typename C0, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(volatile T *obj, R(T::*method)(B0, ArgTs...) volatile, C0 c0)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0);
 }
 
 template <typename T, typename R, typename B0, typename C0, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const volatile T *obj, R(T::*method)(B0, ArgTs...) const volatile, C0 c0)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0);
 }
 
 template <typename R, typename B0, typename C0, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(mbed::Callback<R(B0, ArgTs...)> cb, C0 c0)
 {
     return Event<void(ArgTs...)>(this, cb, c0);
 }
 
 template <typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(R(*func)(B0, B1, ArgTs...), C0 c0, C1 c1)
 {
     return Event<void(ArgTs...)>(this, func, c0, c1);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(T *obj, R(T::*method)(B0, B1, ArgTs...), C0 c0, C1 c1)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const T *obj, R(T::*method)(B0, B1, ArgTs...) const, C0 c0, C1 c1)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(volatile T *obj, R(T::*method)(B0, B1, ArgTs...) volatile, C0 c0, C1 c1)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const volatile T *obj, R(T::*method)(B0, B1, ArgTs...) const volatile, C0 c0, C1 c1)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1);
 }
 
 template <typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(mbed::Callback<R(B0, B1, ArgTs...)> cb, C0 c0, C1 c1)
 {
     return Event<void(ArgTs...)>(this, cb, c0, c1);
 }
 
 template <typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(R(*func)(B0, B1, B2, ArgTs...), C0 c0, C1 c1, C2 c2)
 {
     return Event<void(ArgTs...)>(this, func, c0, c1, c2);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(T *obj, R(T::*method)(B0, B1, B2, ArgTs...), C0 c0, C1 c1, C2 c2)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const T *obj, R(T::*method)(B0, B1, B2, ArgTs...) const, C0 c0, C1 c1, C2 c2)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(volatile T *obj, R(T::*method)(B0, B1, B2, ArgTs...) volatile, C0 c0, C1 c1, C2 c2)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const volatile T *obj, R(T::*method)(B0, B1, B2, ArgTs...) const volatile, C0 c0, C1 c1, C2 c2)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2);
 }
 
 template <typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(mbed::Callback<R(B0, B1, B2, ArgTs...)> cb, C0 c0, C1 c1, C2 c2)
 {
     return Event<void(ArgTs...)>(this, cb, c0, c1, c2);
 }
 
 template <typename R, typename B0, typename B1, typename B2, typename B3, typename C0, typename C1, typename C2, typename C3, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(R(*func)(B0, B1, B2, B3, ArgTs...), C0 c0, C1 c1, C2 c2, C3 c3)
 {
     return Event<void(ArgTs...)>(this, func, c0, c1, c2, c3);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename C0, typename C1, typename C2, typename C3, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...), C0 c0, C1 c1, C2 c2, C3 c3)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2, c3);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename C0, typename C1, typename C2, typename C3, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) const, C0 c0, C1 c1, C2 c2, C3 c3)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2, c3);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename C0, typename C1, typename C2, typename C3, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(volatile T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) volatile, C0 c0, C1 c1, C2 c2, C3 c3)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2, c3);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename C0, typename C1, typename C2, typename C3, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const volatile T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) const volatile, C0 c0, C1 c1, C2 c2, C3 c3)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2, c3);
 }
 
 template <typename R, typename B0, typename B1, typename B2, typename B3, typename C0, typename C1, typename C2, typename C3, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(mbed::Callback<R(B0, B1, B2, B3, ArgTs...)> cb, C0 c0, C1 c1, C2 c2, C3 c3)
 {
     return Event<void(ArgTs...)>(this, cb, c0, c1, c2, c3);
 }
 
 template <typename R, typename B0, typename B1, typename B2, typename B3, typename B4, typename C0, typename C1, typename C2, typename C3, typename C4, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(R(*func)(B0, B1, B2, B3, B4, ArgTs...), C0 c0, C1 c1, C2 c2, C3 c3, C4 c4)
 {
     return Event<void(ArgTs...)>(this, func, c0, c1, c2, c3, c4);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename B4, typename C0, typename C1, typename C2, typename C3, typename C4, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...), C0 c0, C1 c1, C2 c2, C3 c3, C4 c4)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2, c3, c4);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename B4, typename C0, typename C1, typename C2, typename C3, typename C4, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...) const, C0 c0, C1 c1, C2 c2, C3 c3, C4 c4)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2, c3, c4);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename B4, typename C0, typename C1, typename C2, typename C3, typename C4, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(volatile T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...) volatile, C0 c0, C1 c1, C2 c2, C3 c3, C4 c4)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2, c3, c4);
 }
 
 template <typename T, typename R, typename B0, typename B1, typename B2, typename B3, typename B4, typename C0, typename C1, typename C2, typename C3, typename C4, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(const volatile T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...) const volatile, C0 c0, C1 c1, C2 c2, C3 c3, C4 c4)
 {
     return Event<void(ArgTs...)>(this, mbed::callback(obj, method), c0, c1, c2, c3, c4);
 }
 
 template <typename R, typename B0, typename B1, typename B2, typename B3, typename B4, typename C0, typename C1, typename C2, typename C3, typename C4, typename... ArgTs>
 Event<void(ArgTs...)> EventQueue::event(mbed::Callback<R(B0, B1, B2, B3, B4, ArgTs...)> cb, C0 c0, C1 c1, C2 c2, C3 c3, C4 c4)
 {
     return Event<void(ArgTs...)>(this, cb, c0, c1, c2, c3, c4);
 }
 
 /** @}*/
 }
 #endif
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