When a data structure must be accessed by an interrupt handler, the critical section must block that interrupt.

Note that is the location to jump to, not the address of a handler, and so must be skipped () whether or not the branch is taken.

To add two numbers, storage outside the event handler must be used.

The handler might be likened to an aircraft's navigator, who must know how to get from one place to another, and the dog is the pilot, who gets them there safely.

PCLATH must also be preserved by any interrupt handler.

* The dog must leave the handler and fetch sheep that are some distance away

* The dog must take control of the sheep and bring them to the handler

During these test elements the handler must remain at a stake positioned during the layout of the trial course.

He must not exhibit any fearful, shy, overly-submissive, threatening, or aggressive behaviors, but needs to be obedient and responsive to his handler.

These new 360 degree telescopic handler / crane models have outriggers or stabiliser legs that must be lowered before lifting, however their design has been simplified so that they can be more quickly deployed.

For a dog to be considered obedient rather than simply trained in obedience, it must respond reliably each time the command is given, by what is commonly known as its handler.

* Stay: The dog must remain in the position ( sit, down, stand ) and location under which the command was given until it is released by the handler.

The dog and handler must perform the activities off leash and in a highly stylized and carefully defined manner.

For example, on a recall, the dog must come directly to the handler, without sniffing or veering to one side, and must sit straight in front of the handler, not at an angle or off to one side or the other.

After the initial training, the handler must keep up a training regimen to ensure their dog remains in top form.

A dog and handler team must take a short behavioral evaluation of less than half an hour ; dogs who pass the evaluation earn the Canine Good Citizen certificate, which many people represent after the dog's name, abbreviating it as CGC ; for example, " Fido, CGC ".

A handler must understand communication from the dog.

However, this is the case with ALL forms of training, since training must be generalized to work for any particular handler.

Under normal circumstances, this instruction would simply result in an exception ; however, when used with the lock prefix ( normally used to prevent two processors from interfering with the same memory location ), the exception handler is never called, the processor stops servicing interrupts and the CPU must be reset to recover.

In practice, this usually means that the defender must outrace the ball handler to the spot where the screen has been set, so that the ballhandler actually ends up being the one going around the screen and winds up out of position.

They must be socialized very well and carefully by a primitive breed-experienced handler.

* Hearing dogs are a specific type of assistance dog specifically selected and trained to assist the deaf and hearing impaired by alerting their handler to important sounds, such as doorbells, smoke alarms, ringing telephones, or alarm clocks.

For a handler used to a certain set of command words or who needs a cross-disability dog, this can be a very useful option.

Each dog handler was given four dogs to train, and at the end of the course, the trainer selected the best one and shipped out.

Jamie Dana USAF TSgt is the first military working dog handler to be allowed to adopt her dog from active duty.

Although this can be a nuisance in settled areas, it is a valuable trait that allows the dog's handler to follow the dog or pack of dogs during a hunt even when they are out of sight, such as when following a fox or raccoon through woodland.

Most experienced handlers agree that there are certain elements that are important to ensure that the challenge to the dog and handler is a fair and complete test.

* The dog and handler should be able to combine to move the sheep into a confined space, typically a pen but in some trials they are asked to load them onto a vehicle.

This may involve some sheep being marked and the dog and handler working together to separate them from the rest or some variation of that.

* Singling is another test in which the dog and handler combine to separate one sheep from the group.

* Most trials include a cross drive where the dog is required to move the sheep in a controlled way in a straight line from one side of the field to the other in front of the handler but some distance away from them.

One such example is the double lift where the dog is required to fetch one group of sheep, bring them to the handler, look back and find another group, somewhere else on the trial field some distance away.

During the shedding, singling and penning the handler usually leaves the stake and works with the dog to achieve the task.

For most elements the judge focuses on the behaviour of the sheep not the dog or handler.

Also any of the above named dogs " in training " are protected under the Americans with Disabilities Act of 1990 ( ADA ) and Americans with Disabilities Amendment Act ( ADAA, which expanded some legal protections ), even if the handler at the time is not " using " the dog in the capacity for which it is being trained.

" Despite being trained to be aggressive towards fellow dogs they had to be of good temperament with people as the handler would have to bring the dog back to scratch for each round.

* Clark: dog handler.

He was stationed in Korea as a military police sentry dog handler and to the XVIII Airborne Corps at Fort Bragg in North Carolina, assuming military police duties and teaching hand-to-hand combat to Special Operations and Special Forces personnel at the John F. Kennedy Unconventional Warfare Center.

Once the game is downed the handler will command the dog to retrieve the game.

In this case retrievers are trained to take hand, voice, and whistle commands from the handler directing the dog to the downed game for retrieval.

Precision between the dog and handler is extremely useful and desired so as to minimize retrieval time and limit the disturbance of surrounding cover.

Although some hunters prefer to have a bird dropped at their feet the majority of handlers require that the dog deliver the game to hand, meaning that once the dog has completed the retrieve it will gently but firmly hold the bird until commanded to release it to the handler ’ s hand.