/*
* 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_QUEUE_H
#define EVENT_QUEUE_H
#include "events/equeue.h"
#include "platform/Callback.h"
#include "platform/NonCopyable.h"
#include <cstddef>
#include <utility>
#include <chrono>
#include <new>
namespace events {
/**
* \addtogroup events-public-api
* @{
*/
/** EVENTS_EVENT_SIZE
* Minimum size of an event
* This size fits a Callback<void()> at minimum
*/
#define EVENTS_EVENT_SIZE \
(EQUEUE_EVENT_SIZE - 2*sizeof(void*) + sizeof(mbed::Callback<void()>))
/** EVENTS_QUEUE_SIZE
* Default size of buffer for events
*/
#define EVENTS_QUEUE_SIZE (32*EVENTS_EVENT_SIZE)
// Predeclared classes
template <typename F>
class Event;
template <typename F, typename A>
class UserAllocatedEvent;
/**
* \defgroup events_EventQueue EventQueue class
* @{
*/
/** EventQueue
*
* Flexible event queue for dispatching events
*/
class EventQueue : private mbed::NonCopyable<EventQueue> {
public:
using duration = std::chrono::duration<int, std::milli>;
/** Create an EventQueue
*
* Create an event queue. The event queue either allocates a buffer of
* the specified size with malloc or uses the user provided buffer or
* uses 1B dummy buffer if 0 size passed.
*
* 0 size queue is a special purpose queue to dispatch static events
* only (see UserAllocatedEvent). Such a queue gives the guarantee
* that no dynamic memory allocation will take place while queue
* creation and events posting & dispatching.
*
* @param size Size of buffer to use for events in bytes
* (default to EVENTS_QUEUE_SIZE)
* If 0 provided then 1B dummy buffer is used
* @param buffer Pointer to buffer to use for events
* (default to NULL)
*/
EventQueue(unsigned size = EVENTS_QUEUE_SIZE, unsigned char *buffer = NULL);
/** Destroy an EventQueue
*/
~EventQueue();
/** Dispatch events
*
* Executes events for the specified number of milliseconds.
*
* The dispatch_for() function is guaranteed to terminate after the elapsed wait.
*
* @param ms Time to wait for events in milliseconds, expressed as a
* Chrono duration.
*/
void dispatch_for(duration ms);
/** Dispatch events
*
* Executes events until the specified milliseconds have passed.
* If ms is negative, the dispatch function will dispatch events
* indefinitely or until break_dispatch is called on this queue.
*
* When called with a finite timeout, the dispatch function is guaranteed
* to terminate. When called with a timeout of 0, the dispatch function
* does not wait and is IRQ safe.
*
* NOTE: Since the majority of the event library was updated to use
* Chrono types (as part of the Mbed 6 release), this function will not
* function as expected. Please update to use the new dispatch functions
* to ensure correct functionality.
*
* @param ms Time to wait for events in milliseconds, a negative
* value will dispatch events indefinitely
* (default to -1)
*/
MBED_DEPRECATED_SINCE("mbed-os-6.7.0", "Use dispatch_for() to pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
void dispatch(int ms = -1);
/** Dispatch events without a timeout
*
* Executes events indefinitely unless the dispatch loop is forcibly broken.
* @see break_dispatch()
*
*/
void dispatch_forever();
/** Dispatch currently queued events only and then terminate
*
* In this case the dispatch function does not wait.
*
*/
void dispatch_once();
/** Break out of a running event loop
*
* Forces the specified event queue's dispatch loop to terminate. Pending
* events may finish executing, but no new events will be executed.
*/
void break_dispatch();
/** Millisecond counter
*
* Returns the underlying tick of the event queue represented as the
* number of milliseconds that have passed since an arbitrary point in
* time. Intentionally overflows to 0 after 2^32-1.
*
* @return The underlying tick of the event queue in milliseconds
*/
unsigned tick();
/** Cancel an in-flight event
*
* Attempts to cancel an event referenced by the unique id returned from
* one of the call functions. It is not safe to call cancel after an event
* has already been dispatched.
*
* id must be valid i.e. event must have not finished executing.
*
* The cancel function is IRQ safe.
*
* If called while the event queue's dispatch loop is active in another thread,
* the cancel function does not guarantee that the event will not execute after it
* returns, as the event may have already begun executing. A call made from
* the same thread as the dispatch loop will always succeed with a valid id.
*
* @param id Unique id of the event
* @return true if event was successfully cancelled
* false if event was not cancelled (invalid id or executing already begun)
*/
bool cancel(int id);
/** Cancel an in-flight user allocated event
*
* Attempts to cancel an UserAllocatedEvent referenced by its address
* It is not safe to call cancel after an event has already been dispatched.
*
* Event must be valid i.e. event must have not finished executing
* and must have been bound to this queue.
*
* The cancel function is IRQ safe.
*
* If called while the event queue's dispatch loop is active in another thread,
* the cancel function does not guarantee that the event will not execute after it
* returns, as the event may have already begun executing. A call made from
* the same thread as the dispatch loop will always succeed with a valid id.
*
* @param event Address of the event
* @return true if event was successfully cancelled
* false if event was not cancelled (invalid queue or executing already begun)
*/
template<typename F, typename A>
bool cancel(UserAllocatedEvent<F, A> *event)
{
if (event->_equeue != &_equeue) {
return false;
}
return equeue_cancel_user_allocated(&_equeue, event);
}
/** Query how much time is left for delayed event
*
* If the event is delayed, this function can be used to query how much time
* is left until the event is due to be dispatched.
*
* id must be valid i.e. event must have not finished executing.
*
* This function is IRQ safe.
*
* @param id Unique id of the event
*
* @return Remaining time in milliseconds or
* 0 if event is already due to be dispatched or
* is currently executing.
* Undefined if id is invalid.
*
*/
int time_left(int id);
/** Query how much time is left for delayed UserAllocatedEvent
*
* If the event is delayed, this function can be used to query how much time
* is left until the event is due to be dispatched.
*
* Event must be valid i.e. event must have not finished executing
* and must have been bound to this queue.
*
* This function is IRQ safe.
*
* @param event Address of the event
*
* @return Remaining time in milliseconds or
* 0 if event is already due to be dispatched or
* is currently executing.
* Undefined if id is invalid.
*
*/
template<typename F, typename A>
int time_left(UserAllocatedEvent<F, A> *event)
{
if (event && event->_equeue != &_equeue) {
return -1;
}
return equeue_timeleft_user_allocated(&_equeue, &event->_e);
}
/** Background an event queue onto a single-shot timer-interrupt
*
* When updated, the event queue will call the provided update function
* with a timeout indicating when the queue should be dispatched. A
* negative timeout will be passed to the update function when the
* timer-interrupt is no longer needed.
*
* Passing a null function disables the existing update function.
*
* The background function allows an event queue to take advantage of
* hardware timers or other event loops, allowing an event queue to be
* ran in the background without consuming the foreground thread.
*
* @param update Function called to indicate when the queue should be
* dispatched
*/
void background(mbed::Callback<void(int)> update);
/** Chain an event queue onto another event queue
*
* After chaining a queue to a target, calling dispatch on the target
* queue will also dispatch events from this queue. The queues use
* their own buffers and events must be handled independently.
*
* A null queue as the target will unchain the existing queue.
*
* The chain function allows multiple event queues to be composed,
* sharing the context of a dispatch loop while still being managed
* independently
*
* @param target Queue that will dispatch this queue's events as a
* part of its dispatch loop
*
* @return Zero on success and negative error code value if chaining fails
*
*/
int chain(EventQueue *target);
#if defined(DOXYGEN_ONLY)
/** Calls an event on the queue
*
* The specified callback will be executed in the context of the event
* queue's dispatch loop.
*
* The call function is IRQ safe and can act as a mechanism for moving
* events out of IRQ contexts.
*
* @param f Function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
* @return A unique id that represents the posted event and can
* be passed to cancel, or an id of 0 if there is not
* enough memory to allocate the event.
* Returned id will remain valid until event has finished
* executing.
*
* @code
* #include "mbed.h"
*
* int main() {
* // creates a queue with the default size
* EventQueue queue;
*
* // events are simple callbacks
* queue.call(printf, "called immediately\n");
*
* // the dispatch method executes events
* queue.dispatch();
* }
* @endcode
*/
template <typename F, typename ...Args>
int call(F f, Args ...args);
/** Calls an event on the queue
*
* The specified callback is executed in the context of the event
* queue's dispatch loop.
*
* The call function is IRQ safe and can act as a mechanism for moving
* events out of IRQ contexts.
*
* @param obj Object to call with the member function
* @param method Member function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
* @return A unique ID that represents the posted event and can
* be passed to cancel, or an ID of 0 if there is not
* enough memory to allocate the event.
* Returned ID remains valid until event has finished
* executing.
*
* @code
* #include "mbed.h"
*
* class EventHandler {
* int _id;
* public:
* EventHandler(int id) : _id(id) { }
*
* void handler(int c) {
* printf("ID: %d Param: %d\r\n", _id, c);
* }
* };
*
* int main() {
* // creates a queue with the default size
* EventQueue queue;
*
* // Create EventHandler object with state
* EventHandler handler_cb(1);
*
* // events are simple callbacks, call object method
* // with provided parameter
* queue.call(&handler_cb, &EventHandler::handler, 2);
*
* // the dispath method executes events
* queue.dispatch();
* }
* @endcode
*/
// AStyle ignore, not handling correctly below
// *INDENT-OFF*
template <typename T, typename R, typename ...Args>
int call(T *obj, R (T::*method)(Args ...args), Args ...args);
// *INDENT-ON*
/** Calls an event on the queue after a specified delay
*
* The specified callback is executed in the context of the event
* queue's dispatch loop.
*
* The call_in function is IRQ safe and can act as a mechanism for moving
* events out of IRQ contexts.
*
* @param ms Time to delay in milliseconds
* @param f Function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
* @return A unique ID that represents the posted event and can
* be passed to cancel, or an ID of 0 if there is not
* enough memory to allocate the event.
*
* @code
* #include "mbed.h"
* using namespace std::chrono_literals;
*
* int main() {
* // creates a queue with the default size
* EventQueue queue;
*
* // events are simple callbacks
* queue.call_in(2s, printf, "called in 2 seconds\n");
*
* // the dispatch methods executes events
* queue.dispatch();
* }
* @endcode
*/
template <typename F, typename ...ArgTs>
int call_in(duration ms, F f, ArgTs ...args);
/** Calls an event on the queue after a specified delay
*
* The specified callback is executed in the context of the event
* queue's dispatch loop.
*
* The call_in function is IRQ safe and can act as a mechanism for moving
* events out of IRQ contexts.
*
* @param ms Time to delay in milliseconds
* @param obj Object to call with the member function
* @param method Member function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
* @return A unique ID that represents the posted event and can
* be passed to cancel, or an ID of 0 if there is not
* enough memory to allocate the event.
*
* @code
* #include "mbed.h"
* using namespace std::chrono_literals;
*
* class EventHandler {
* int _id;
* public:
* EventHandler(int id) : _id(id) { }
*
* void handler(int c) {
* printf("ID: %d Param: %d\r\n", _id, c);
* }
* };
*
* int main() {
* // creates a queue with the default size
* EventQueue queue;
*
* // Create EventHandler object with state
* EventHandler handler_cb(3);
*
* // events are simple callbacks, call object method in 2 seconds
* // with provided parameter
* queue.call_in(2s, &handler_cb, &EventHandler::handler, 4);
*
* // the dispatch method executes events
* queue.dispatch();
* }
* @endcode
*/
// AStyle ignore, not handling correctly below
// *INDENT-OFF*
template <typename T, typename R, typename ...ArgTs>
int call_in(duration ms, T *obj, R (T::*method)(ArgTs ...args), ArgTs ...args);
// *INDENT-ON*
/** Calls an event on the queue periodically
*
* @note The first call_every event occurs after the specified delay.
* To create a periodic event that fires immediately, @see Event.
*
* The specified callback is executed in the context of the event
* queue's dispatch loop.
*
* The call_every function is IRQ safe and can act as a mechanism for
* moving events out of IRQ contexts.
*
* @param ms Period of the event in milliseconds
* @param f Function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
* @return A unique ID that represents the posted event and can
* be passed to cancel, or an ID of 0 if there is not
* enough memory to allocate the event.
*
* @code
* #include "mbed.h"
* using namespace std::chrono_literals;
*
* class EventHandler {
* int _id;
* public:
* EventHandler(int id) : _id(id) { }
*
* void handler(int c) {
* printf("ID: %d Param: %d\r\n", _id, c);
* }
* };
*
* int main() {
* // creates a queue with the default size
* EventQueue queue;
*
* // events are simple callbacks, call every 2 seconds
* queue.call_every(2s, printf, "Calling every 2 seconds\n");
*
* // the dispatch method executes events
* queue.dispatch();
* }
* @endcode
*/
template <typename F, typename ...ArgTs>
int call_every(duration ms, F f, ArgTs ...args);
/** Calls an event on the queue periodically
*
* @note The first call_every event occurs after the specified delay.
* To create a periodic event that fires immediately, @see Event.
*
* The specified callback is executed in the context of the event
* queue's dispatch loop.
*
* The call_every function is IRQ safe and can act as a mechanism for
* moving events out of IRQ contexts.
*
* @param ms Period of the event in milliseconds
* @param obj Object to call with the member function
* @param method Member function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
*
* @code
* #include "mbed.h"
* using namespace std::chrono_literals;
*
* class EventHandler {
* int _id;
* public:
* EventHandler(int id) : _id(id) { }
*
* void handler(int c) {
* printf("ID: %d Param: %d\r\n", _id, c);
* }
* };
*
* int main() {
* // creates a queue with the default size
* EventQueue queue;
*
* // Create EventHandler object with state
* EventHandler handler_cb(5);
*
* // events are simple callbacks, call object method every 2 seconds
* // with provided parameter
* queue.call_every(2s, &handler_cb, &EventHandler::handler, 6);
*
* // the dispatch method executes events
* queue.dispatch();
* }
* @endcode
*/
// AStyle ignore, not handling correctly below
// *INDENT-OFF*
template <typename T, typename R, typename ...ArgTs>
int call_every(duration ms, T *obj, R (T::*method)(ArgTs ...args), ArgTs ...args);
// *INDENT-ON*
/** Creates an event bound to the event queue
*
* 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 func Function to execute when the event is dispatched
* @param context_args Arguments to pass to the callback
* @return Event that dispatches on the specific queue
*
* @code
* #include "mbed.h"
*
* void handler(int c) {
* printf("Param: %d\r\n", c);
* }
*
* int main()
* {
* EventQueue queue;
*
* // Create event with parameter
* Event<void()> e = queue.event(handler, 1);
* e();
*
* // Create event and post parameter later
* Event<void(int)> e2 = queue.event(handler);
*
* // Post the event with paramter 8
* e.post(8);
*
* // The dispatch method executes events
* queue.dispatch();
*
* e2.post(2);
*
* queue.dispatch();
* }
* @endcode
*/
// AStyle ignore, not handling correctly below
// *INDENT-OFF*
template <typename R, typename ...BoundArgTs, typename ...ContextArgTs, typename ...ArgTs>
Event<void(ArgTs...)> event(R (*func)(BoundArgTs..., ArgTs...), ContextArgTs ...context_args);
// *INDENT-ON*
/** Creates an event bound to the event queue
*
* 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 obj Object to call with the member function
* @param method Member function to execute in the context of the dispatch loop
* @param context_args Arguments to pass to the callback
* @return Event that dispatches on the specific queue
*
* @code
* #include "mbed.h"
*
* class EventHandler {
* int _id;
*
* public:
* EventHandler(int id) : _id(id) { }
*
* void handler(int c) {
* printf("ID: %d Param: %d\r\n", _id, c);
* }
* };
*
* int main()
* {
* EventQueue queue;
*
* EventHandler handler_cb(10);
*
* // Create event on the eventqueue with a method callback
* Event<void(int)> e = queue.event(&handler_cb, &EventHandler::handler);
*
* // Post the event with paramter 8
* e.post(11);
*
* // The dispatch method executes events
* queue.dispatch();
* }
* @endcode
*/
// AStyle ignore, not handling correctly below
// *INDENT-OFF*
template <typename T, typename R, typename ...BoundArgTs, typename ...ContextArgTs, typename ...ArgTs>
Event<void(ArgTs...)> event(T *obj, R (T::*method)(BoundArgTs..., ArgTs...), ContextArgTs ...context_args);
// *INDENT-ON*
/** Creates an event bound to the event queue
*
* 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 cb Callback object
* @param context_args Arguments to pass to the callback
* @return Event that dispatches on the specific queue
*
* @code
* #include "mbed.h"
*
* void handler(int c) {
* printf("Param: %d\r\n", c);
* }
*
* int main()
* {
* EventQueue queue;
* // Create callback object acting as a function
* // pointer to handler
* Callback<void(int)> cb(handler);
*
* // Pass the callback object to the eventqueue
* Event<void(int)> e = queue.event(cb);
*
* // Post the event with parameter 8
* e.post(9);
*
* // The dispatch method executes events
* q.dispatch();
* }
* @endcode
*/
template <typename R, typename ...BoundArgTs, typename ...ContextArgTs, typename ...ArgTs>
Event<void(ArgTs...)> event(mbed::Callback<R(BoundArgTs..., ArgTs...)> cb, ContextArgTs ...context_args);
/** Creates an user allocated event bound to the event queue
*
* Constructs an user allocated 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.
*
* @code
* #include "mbed.h"
*
* void handler(int data) { ... }
*
* class Device {
* public:
* void handler(int data) { ... }
* };
*
* Device dev;
*
* // queue with not internal storage for dynamic events
* // accepts only user allocated events
* static EventQueue queue(0);
* // Create events
* static auto e1 = make_user_allocated_event(&dev, Device::handler, 2);
* static auto e2 = queue.make_user_allocated_event(handler, 3);
*
* int main()
* {
* e1.call_on(&queue);
* e2.call();
*
* queue.dispatch(1);
* }
* @endcode
*
* @param f Function to execute when the event is dispatched
* @param args List of arguments that will be passed to \c f
* @return Event that will dispatch on the specific queue
*/
template <typename F, typename... ArgTs>
UserAllocatedEvent<F, void(ArgTs...)> make_user_allocated_event(F f, ArgTs... args);
/** Creates an user allocated event bound to the event queue
* @see EventQueue::make_user_allocated_event
*/
template <typename T, typename R, typename... ArgTs>
UserAllocatedEvent<mbed::Callback<void(ArgTs...)>, void(ArgTs...)> make_user_allocated_event(T *obj, R(T::*method)(ArgTs... args), ArgTs... args);
#else
/** Calls an event on the queue
*
* The specified callback is executed in the context of the event
* queue's dispatch loop.
*
* The call function is IRQ safe and can act as a mechanism for moving
* events out of IRQ contexts.
*
* @param f Function to execute in the context of the dispatch loop
* @return A unique ID that represents the posted event and can
* be passed to cancel, or an ID of 0 if there is not
* enough memory to allocate the event.
* Returned ID remains valid until event has finished
* executing.
*
* @code
* #include "mbed.h"
*
* int main()
* {
* EventQueue queue;
*
* Callback<void(int)> cb(handler);
*
* // Create event on the eventqueue with a separate callback object
* Event<void(int)> e = queue.event(cb);
* e.post(1);
* queue.dispatch();
* }
* @endcode
*/
template <typename F>
int call(F f)
{
void *p = equeue_alloc(&_equeue, sizeof(F));
if (!p) {
return 0;
}
F *e = new (p) F(std::move(f));
equeue_event_dtor(e, &EventQueue::function_dtor<F>);
return equeue_post(&_equeue, &EventQueue::function_call<F>, e);
}
/** Calls an event on the queue
* @see EventQueue::call
* @param f Function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
*/
template <typename F, typename... ArgTs>
int call(F f, ArgTs... args)
{
return call(context<F, ArgTs...>(std::move(f), args...));
}
/** Calls an event on the queue
* @see EventQueue::call
*/
template <typename T, typename R, typename... ArgTs>
int call(T *obj, R(T::*method)(ArgTs...), ArgTs... args)
{
return call(mbed::callback(obj, method), args...);
}
/** Calls an event on the queue
* @see EventQueue::call
*/
template <typename T, typename R, typename... ArgTs>
int call(const T *obj, R(T::*method)(ArgTs...) const, ArgTs... args)
{
return call(mbed::callback(obj, method), args...);
}
/** Calls an event on the queue
* @see EventQueue::call
*/
template <typename T, typename R, typename... ArgTs>
int call(volatile T *obj, R(T::*method)(ArgTs...) volatile, ArgTs... args)
{
return call(mbed::callback(obj, method), args...);
}
/** Calls an event on the queue
* @see EventQueue::call
*/
template <typename T, typename R, typename... ArgTs>
int call(const volatile T *obj, R(T::*method)(ArgTs...) const volatile, ArgTs... args)
{
return call(mbed::callback(obj, method), args...);
}
/** Calls an event on the queue after a specified delay
*
* The specified callback will be executed in the context of the event
* queue's dispatch loop.
*
* The call_in function is IRQ safe and can act as a mechanism for moving
* events out of IRQ contexts.
*
* @param ms Time to delay in milliseconds
* @param f Function to execute in the context of the dispatch loop
* @return A unique id that represents the posted event and can
* be passed to cancel, or an id of 0 if there is not
* enough memory to allocate the event.
*/
template <typename F>
int call_in(duration ms, F f)
{
void *p = equeue_alloc(&_equeue, sizeof(F));
if (!p) {
return 0;
}
F *e = new (p) F(std::move(f));
equeue_event_delay(e, ms.count());
equeue_event_dtor(e, &EventQueue::function_dtor<F>);
return equeue_post(&_equeue, &EventQueue::function_call<F>, e);
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
* @param ms Time to delay in milliseconds
* @param f Function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
*/
template <typename F, typename... ArgTs>
int call_in(duration ms, F f, ArgTs... args)
{
return call_in(ms, context<F, ArgTs...>(std::move(f), args...));
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
*/
template <typename T, typename R, typename... ArgTs>
int call_in(duration ms, T *obj, R(T::*method)(ArgTs...), ArgTs... args)
{
return call_in(ms, mbed::callback(obj, method), args...);
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
*/
template <typename T, typename R, typename... ArgTs>
int call_in(duration ms, const T *obj, R(T::*method)(ArgTs...) const, ArgTs... args)
{
return call_in(ms, mbed::callback(obj, method), args...);
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
*/
template <typename T, typename R, typename... ArgTs>
int call_in(duration ms, volatile T *obj, R(T::*method)(ArgTs...) volatile, ArgTs... args)
{
return call_in(ms, mbed::callback(obj, method), args...);
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
*/
template <typename T, typename R, typename... ArgTs>
int call_in(duration ms, const volatile T *obj, R(T::*method)(ArgTs...) const volatile, ArgTs... args)
{
return call_in(ms, mbed::callback(obj, method), args...);
}
/** Calls an event on the queue after a specified delay
*
* The specified callback will be executed in the context of the event
* queue's dispatch loop.
*
* The call_in function is IRQ safe and can act as a mechanism for moving
* events out of IRQ contexts.
*
* @param ms Time to delay in milliseconds
* @param f Function to execute in the context of the dispatch loop
* @return A unique id that represents the posted event and can
* be passed to cancel, or an id of 0 if there is not
* enough memory to allocate the event.
*/
template <typename F>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_in(int ms, F f)
{
return call_in(duration(ms), std::move(f));
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
* @param ms Time to delay in milliseconds
* @param f Function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
*/
template <typename F, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_in(int ms, F f, ArgTs... args)
{
return call_in(duration(ms), std::move(f), args...);
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
*/
template <typename T, typename R, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_in(int ms, T *obj, R(T::*method)(ArgTs...), ArgTs... args)
{
return call_in(duration(ms), obj, method, args...);
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
*/
template <typename T, typename R, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_in(int ms, const T *obj, R(T::*method)(ArgTs...) const, ArgTs... args)
{
return call_in(duration(ms), obj, method, args...);
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
*/
template <typename T, typename R, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_in(int ms, volatile T *obj, R(T::*method)(ArgTs...) volatile, ArgTs... args)
{
return call_in(duration(ms), obj, method, args...);
}
/** Calls an event on the queue after a specified delay
* @see EventQueue::call_in
*/
template <typename T, typename R, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_in(int ms, const volatile T *obj, R(T::*method)(ArgTs...) const volatile, ArgTs... args)
{
return call_in(duration(ms), obj, method, args...);
}
/** Calls an event on the queue periodically
*
* @note The first call_every event occurs after the specified delay.
* To create a periodic event that fires immediately, @see Event.
*
* The specified callback will be executed in the context of the event
* queue's dispatch loop.
*
* The call_every function is IRQ safe and can act as a mechanism for
* moving events out of IRQ contexts.
*
* @param f Function to execute in the context of the dispatch loop
* @param ms Period of the event in milliseconds
* @return A unique id that represents the posted event and can
* be passed to cancel, or an id of 0 if there is not
* enough memory to allocate the event.
*/
template <typename F>
int call_every(duration ms, F f)
{
void *p = equeue_alloc(&_equeue, sizeof(F));
if (!p) {
return 0;
}
F *e = new (p) F(std::move(f));
equeue_event_delay(e, ms.count());
equeue_event_period(e, ms.count());
equeue_event_dtor(e, &EventQueue::function_dtor<F>);
return equeue_post(&_equeue, &EventQueue::function_call<F>, e);
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
* @param f Function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
* @param ms Period of the event in milliseconds
*/
template <typename F, typename... ArgTs>
int call_every(duration ms, F f, ArgTs... args)
{
return call_every(ms, context<F, ArgTs...>(std::move(f), args...));
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
*/
template <typename T, typename R, typename... ArgTs>
int call_every(duration ms, T *obj, R(T::*method)(ArgTs...), ArgTs... args)
{
return call_every(ms, mbed::callback(obj, method), args...);
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
*/
template <typename T, typename R, typename... ArgTs>
int call_every(duration ms, const T *obj, R(T::*method)(ArgTs...) const, ArgTs... args)
{
return call_every(ms, mbed::callback(obj, method), args...);
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
*/
template <typename T, typename R, typename... ArgTs>
int call_every(duration ms, volatile T *obj, R(T::*method)(ArgTs...) volatile, ArgTs... args)
{
return call_every(ms, mbed::callback(obj, method), args...);
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
*/
template <typename T, typename R, typename... ArgTs>
int call_every(duration ms, const volatile T *obj, R(T::*method)(ArgTs...) const volatile, ArgTs... args)
{
return call_every(ms, mbed::callback(obj, method), args...);
}
/** Calls an event on the queue periodically
*
* @note The first call_every event occurs after the specified delay.
* To create a periodic event that fires immediately, @see Event.
*
* The specified callback will be executed in the context of the event
* queue's dispatch loop.
*
* The call_every function is IRQ safe and can act as a mechanism for
* moving events out of IRQ contexts.
*
* @param f Function to execute in the context of the dispatch loop
* @param ms Period of the event in milliseconds
* @return A unique id that represents the posted event and can
* be passed to cancel, or an id of 0 if there is not
* enough memory to allocate the event.
*/
template <typename F>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_every(int ms, F f)
{
return call_every(duration(ms), std::move(f));
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
* @param f Function to execute in the context of the dispatch loop
* @param args Arguments to pass to the callback
* @param ms Period of the event in milliseconds
*/
template <typename F, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_every(int ms, F f, ArgTs... args)
{
return call_every(duration(ms), std::move(f), args...);
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
*/
template <typename T, typename R, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_every(int ms, T *obj, R(T::*method)(ArgTs...), ArgTs... args)
{
return call_every(duration(ms), obj, method, args...);
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
*/
template <typename T, typename R, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_every(int ms, const T *obj, R(T::*method)(ArgTs...) const, ArgTs... args)
{
return call_every(duration(ms), obj, method, args...);
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
*/
template <typename T, typename R, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_every(int ms, volatile T *obj, R(T::*method)(ArgTs...) volatile, ArgTs... args)
{
return call_every(duration(ms), obj, method, args...);
}
/** Calls an event on the queue periodically
* @see EventQueue::call_every
*/
template <typename T, typename R, typename... ArgTs>
MBED_DEPRECATED_SINCE("mbed-os-6.0.0", "Pass a chrono duration, not an integer millisecond count. For example use `5s` rather than `5000`.")
int call_every(int ms, const volatile T *obj, R(T::*method)(ArgTs...) const volatile, ArgTs... args)
{
return call_every(duration(ms), obj, method, args...);
}
/** Creates an event bound to the event queue
*
* 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 func Function to execute when the event is dispatched
* @return Event that will dispatch on the specific queue
*/
template <typename R, typename... ArgTs>
Event<void(ArgTs...)> event(R(*func)(ArgTs...));
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename... ArgTs>
Event<void(ArgTs...)> event(T *obj, R(T::*method)(ArgTs...));
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename... ArgTs>
Event<void(ArgTs...)> event(const T *obj, R(T::*method)(ArgTs...) const);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename... ArgTs>
Event<void(ArgTs...)> event(volatile T *obj, R(T::*method)(ArgTs...) volatile);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename... ArgTs>
Event<void(ArgTs...)> event(const volatile T *obj, R(T::*method)(ArgTs...) const volatile);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename... ArgTs>
Event<void(ArgTs...)> event(mbed::Callback<R(ArgTs...)> cb);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename B0, typename C0, typename... ArgTs>
Event<void(ArgTs...)> event(R(*func)(B0, ArgTs...), C0 c0);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename C0, typename... ArgTs>
Event<void(ArgTs...)> event(T *obj, R(T::*method)(B0, ArgTs...), C0 c0);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename C0, typename... ArgTs>
Event<void(ArgTs...)> event(const T *obj, R(T::*method)(B0, ArgTs...) const, C0 c0);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename C0, typename... ArgTs>
Event<void(ArgTs...)> event(volatile T *obj, R(T::*method)(B0, ArgTs...) volatile, C0 c0);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename C0, typename... ArgTs>
Event<void(ArgTs...)> event(const volatile T *obj, R(T::*method)(B0, ArgTs...) const volatile, C0 c0);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename B0, typename C0, typename... ArgTs>
Event<void(ArgTs...)> event(mbed::Callback<R(B0, ArgTs...)> cb, C0 c0);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
Event<void(ArgTs...)> event(R(*func)(B0, B1, ArgTs...), C0 c0, C1 c1);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
Event<void(ArgTs...)> event(T *obj, R(T::*method)(B0, B1, ArgTs...), C0 c0, C1 c1);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
Event<void(ArgTs...)> event(const T *obj, R(T::*method)(B0, B1, ArgTs...) const, C0 c0, C1 c1);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
Event<void(ArgTs...)> event(volatile T *obj, R(T::*method)(B0, B1, ArgTs...) volatile, C0 c0, C1 c1);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
Event<void(ArgTs...)> event(const volatile T *obj, R(T::*method)(B0, B1, ArgTs...) const volatile, C0 c0, C1 c1);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename B0, typename B1, typename C0, typename C1, typename... ArgTs>
Event<void(ArgTs...)> event(mbed::Callback<R(B0, B1, ArgTs...)> cb, C0 c0, C1 c1);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
Event<void(ArgTs...)> event(R(*func)(B0, B1, B2, ArgTs...), C0 c0, C1 c1, C2 c2);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
Event<void(ArgTs...)> event(T *obj, R(T::*method)(B0, B1, B2, ArgTs...), C0 c0, C1 c1, C2 c2);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
Event<void(ArgTs...)> event(const T *obj, R(T::*method)(B0, B1, B2, ArgTs...) const, C0 c0, C1 c1, C2 c2);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
Event<void(ArgTs...)> event(volatile T *obj, R(T::*method)(B0, B1, B2, ArgTs...) volatile, C0 c0, C1 c1, C2 c2);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename T, typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
Event<void(ArgTs...)> event(const volatile T *obj, R(T::*method)(B0, B1, B2, ArgTs...) const volatile, C0 c0, C1 c1, C2 c2);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename B0, typename B1, typename B2, typename C0, typename C1, typename C2, typename... ArgTs>
Event<void(ArgTs...)> event(mbed::Callback<R(B0, B1, B2, ArgTs...)> cb, C0 c0, C1 c1, C2 c2);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename B0, typename B1, typename B2, typename B3, typename C0, typename C1, typename C2, typename C3, typename... ArgTs>
Event<void(ArgTs...)> event(R(*func)(B0, B1, B2, B3, ArgTs...), C0 c0, C1 c1, C2 c2, C3 c3);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...), C0 c0, C1 c1, C2 c2, C3 c3);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(const T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) const, C0 c0, C1 c1, C2 c2, C3 c3);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(volatile T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) volatile, C0 c0, C1 c1, C2 c2, C3 c3);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(const volatile T *obj, R(T::*method)(B0, B1, B2, B3, ArgTs...) const volatile, C0 c0, C1 c1, C2 c2, C3 c3);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
template <typename R, typename B0, typename B1, typename B2, typename B3, typename C0, typename C1, typename C2, typename C3, typename... ArgTs>
Event<void(ArgTs...)> event(mbed::Callback<R(B0, B1, B2, B3, ArgTs...)> cb, C0 c0, C1 c1, C2 c2, C3 c3);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(R(*func)(B0, B1, B2, B3, B4, ArgTs...), C0 c0, C1 c1, C2 c2, C3 c3, C4 c4);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...), C0 c0, C1 c1, C2 c2, C3 c3, C4 c4);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(const T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...) const, C0 c0, C1 c1, C2 c2, C3 c3, C4 c4);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(volatile T *obj, R(T::*method)(B0, B1, B2, B3, B4, ArgTs...) volatile, C0 c0, C1 c1, C2 c2, C3 c3, C4 c4);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> 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);
/** Creates an event bound to the event queue
* @see EventQueue::event
*/
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...)> event(mbed::Callback<R(B0, B1, B2, B3, B4, ArgTs...)> cb, C0 c0, C1 c1, C2 c2, C3 c3, C4 c4);
/** Creates an user allocated event bound to the event queue
*
* Constructs an user allocated 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 f Function to execute when the event is dispatched
* @return Event that will dispatch on the specific queue
*/
template <typename F, typename... ArgTs>
UserAllocatedEvent<F, void(ArgTs...)> make_user_allocated_event(F f, ArgTs... args);
/** Creates an user allocated event bound to the event queue
* @see EventQueue::make_user_allocated_event
*/
template <typename T, typename R, typename... ArgTs>
UserAllocatedEvent<mbed::Callback<void(ArgTs...)>, void(ArgTs...)> make_user_allocated_event(T *obj, R(T::*method)(ArgTs... args), ArgTs... args);
/** Creates an user allocated event bound to the event queue
* @see EventQueue::make_user_allocated_event
*/
template <typename T, typename R, typename... ArgTs>
UserAllocatedEvent<mbed::Callback<void(ArgTs...)>, void(ArgTs...)> make_user_allocated_event(const T *obj, R(T::*method)(ArgTs... args) const, ArgTs... args);
/** Creates an user allocated event bound to the event queue
* @see EventQueue::make_user_allocated_event
*/
template <typename T, typename R, typename... ArgTs>
UserAllocatedEvent<mbed::Callback<void(ArgTs...)>, void(ArgTs...)> make_user_allocated_event(volatile T *obj, R(T::*method)(ArgTs... args) volatile, ArgTs... args);
/** Creates an user allocated event bound to the event queue
* @see EventQueue::make_user_allocated_event
*/
template <typename T, typename R, typename... ArgTs>
UserAllocatedEvent<mbed::Callback<void(ArgTs...)>, void(ArgTs...)> make_user_allocated_event(const volatile T *obj, R(T::*method)(ArgTs... args) const volatile, ArgTs... args);
#endif
protected:
#if !defined(DOXYGEN_ONLY)
template <typename F>
friend class Event;
template <typename F, typename A>
friend class UserAllocatedEvent;
struct equeue _equeue;
mbed::Callback<void(int)> _update;
// Function attributes
template <typename F>
static void function_call(void *p)
{
(*(F *)p)();
}
template <typename F>
static void function_dtor(void *p)
{
((F *)p)->~F();
}
// Context structures
template <typename F, typename... ContextArgTs>
struct context;
template <typename F>
struct context<F> {
F f;
constexpr context(F f)
: f(f) {}
template <typename... ArgTs>
void operator()(ArgTs... args)
{
f(args...);
}
};
template <typename F, typename C0>
struct context<F, C0> {
F f;
C0 c0;
constexpr context(F f, C0 c0)
: f(f), c0(c0) {}
template <typename... ArgTs>
void operator()(ArgTs... args)
{
f(c0, args...);
}
};
template <typename F, typename C0, typename C1>
struct context<F, C0, C1> {
F f;
C0 c0;
C1 c1;
constexpr context(F f, C0 c0, C1 c1)
: f(f), c0(c0), c1(c1) {}
template <typename... ArgTs>
void operator()(ArgTs... args)
{
f(c0, c1, args...);
}
};
template <typename F, typename C0, typename C1, typename C2>
struct context<F, C0, C1, C2> {
F f;
C0 c0;
C1 c1;
C2 c2;
constexpr context(F f, C0 c0, C1 c1, C2 c2)
: f(f), c0(c0), c1(c1), c2(c2) {}
template <typename... ArgTs>
void operator()(ArgTs... args)
{
f(c0, c1, c2, args...);
}
};
template <typename F, typename C0, typename C1, typename C2, typename C3>
struct context<F, C0, C1, C2, C3> {
F f;
C0 c0;
C1 c1;
C2 c2;
C3 c3;
constexpr context(F f, C0 c0, C1 c1, C2 c2, C3 c3)
: f(f), c0(c0), c1(c1), c2(c2), c3(c3) {}
template <typename... ArgTs>
void operator()(ArgTs... args)
{
f(c0, c1, c2, c3, args...);
}
};
template <typename F, typename C0, typename C1, typename C2, typename C3, typename C4>
struct context<F, C0, C1, C2, C3, C4> {
F f;
C0 c0;
C1 c1;
C2 c2;
C3 c3;
C4 c4;
constexpr context(F f, C0 c0, C1 c1, C2 c2, C3 c3, C4 c4)
: f(f), c0(c0), c1(c1), c2(c2), c3(c3), c4(c4) {}
template <typename... ArgTs>
void operator()(ArgTs... args)
{
f(c0, c1, c2, c3, c4, args...);
}
};
#endif //!defined(DOXYGEN_ONLY)
};
/** @}*/
/** @}*/
}
#endif
