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A pleathorea of sounds, just go trackside and listen, from the piercing note of a horn, to the roar of the diesel engine to the click-clack of the wheels on the joints in the rail to the squeal of steel wheel on steel rail, there are hundreds of sounds to enjoy. "Choo Choo" doesn't cut it, sorry. Only the ignorant can agree that any train ever made this sound.

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How to write c programme of Sleeping-barber problem in opertating system?

#define CHAIRS 5 /* # chairs for waiting customers */ typedef int semaphore; /* use your imagination */ semaphore customers = 0; /* # of customers waiting for service */ semaphore barbers = 0; /* # of barbers waiting for customers */ semaphore mutex = 1; /* for mutual exclusion */ int waiting = 0; /* customer are waiting (not being cut) */ void barber(void) { while (TRUE) { down(&customers); /* go to sleep if # of customers is 0 */ down(&mutex); /* acquire access to "waiting' */ waiting = waiting - 1; /* decrement count of waiting customers */ up(&barbers); /* one barber is now ready to cut hair */ up(&mutex); /* release 'waiting' */ cut_hair(); /* cut hair (outside critical region */ } } void customer(void) { down(&mutex); /* enter critical region */ if (waiting < CHAIRS) { /* if there are no free chairs, leave */ waiting = waiting + 1; /* increment count of waiting customers */ up(&customers); /* wake up barber if necessary */ up(&mutex); /* release access to 'waiting' */ down(&barbers); /* go to sleep if # of free barbers is 0 */ get_haircut(); /* be seated and be served */ } else { up(&mutex); /* shop is full; do not wait */ } }



How deadlock is achieved in java?

A Deadlock is a situation of indefinite waiting where the system is stuck at a particular point and would do nothing useful. For example Method A is waiting for B's input while B is waiting for C's input and C in turn is waiting for A's input. Here all the 3 methods would continue to wait because they are waiting on one another and the system is stuck. A deadlock usually occurs while using threads. Threads can lock objects on which they are processing and when multiple threads are waiting for the same object a Dead lock may occur. The use of the synchronize keyword can be used to avoid such deadlock situations.


What is the Young modulus for pipe API 5L?

I am waiting for the answer


What is the difference between busy waiting and blocking process?

Busy waiting vs. Blocking Busy waiting is preferable when: Scheduling overhead is larger than expected wait time. Process resources are not needed for another tasks Schedule -based blocking is inappropriate (e.g in OS kernel)


What is device queue?

The list of processes waiting for a particular I/O device.

Related Questions

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Get out and move away from the tracks. If a train is coming move back further and take a video of the crash for youtube. If not, and you can't push it off the tracks call someone who will. Police cars have a special pushing attachment on the front. While waiting stand at least 15 feet from the nearest rail.


What is the simile for waiting a long time?

A simile for waiting a long time could be "waiting like a snail crossing a marathon finish line." This comparison highlights the slow and tedious nature of waiting for an extended period. The simile effectively conveys the idea of patience and endurance required during a prolonged wait.


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Some other kinds of waiting in an operating system include waiting on applications, waiting on the user, and waiting for hardware to communicate. The operating system facilities many different components to work in sync.


What would a lady in waiting do during a castle siege?

In a castle siege, a lady in waiting might just wait. There were other approaches open, including fighting alongside the garrison. There is link to a nice medieval picture of a lady in a besieged castle below.


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yoo are


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you have to wait till they are done using them by waiting till they are done or making them stop by crossing them out. then go to the store where you buy them and click and delete


What is the difference between a pelican crossing and a pedestrian crossing?

the difference is that you have to wait to cross a pelican crossing, but a school crossing, someone just stands in the middle of the road and stops cars and lets you cross quicker. Pelican crossing: traffic lights for pedestrians and vehicles; button-operated. http://stretsmartsigns.com


If a jaywalker is waiting to cross the street at mid-block?

If a jaywalker is waiting to cross the street at mid-block, they are typically in an area not designated for pedestrian crossing. This can pose safety risks, as vehicles may not expect pedestrians in that location. It's important for the jaywalker to assess traffic carefully before crossing and to prioritize safety by using designated crossings whenever possible. Additionally, they may be subject to fines or penalties for not adhering to pedestrian traffic laws.


What simple machine can load railroad cars?

Ah, loading railroad cars is a joyful process, my friend! One helpful simple machine for this task is a conveyor belt. It can smoothly move goods up and into the cars, making the job easier and more efficient. Just imagine those happy little items gliding along, ready for their journey!


In Animal Crossing Wild World your neighbor schedules a meet at your house but they never show up and when you look for them they get mad What should you do for further meet ups?

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What is the past continuous of not wait?

were not waiting or was not waiting