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Once an event is received, the program services the event, then returns to the beginning of the next wait cycle. Other programs periodically poll for events by going to sleep and resuming execution after a specific interval of time. Once execution is resumed, the program polls for events or status changes, and then services any that occurred ...
Methods that make use of await must be declared with the async keyword. In methods that have a return value of type Task<T>, methods declared with async must have a return statement of type assignable to T instead of Task<T>; the compiler wraps the value in the Task<T> generic.
When a program wants to time its own operation, it can use a function like the POSIX clock() function, which returns the CPU time used by the program. POSIX allows this clock to start at an arbitrary value, so to measure elapsed time, a program calls clock(), does some work, then calls clock() again. [1] The difference is the time needed to do ...
In computer science and software engineering, busy-waiting, busy-looping or spinning is a technique in which a process repeatedly checks to see if a condition is true, such as whether keyboard input or a lock is available.
The sleep instruction suspends the calling process for at least the specified number of seconds (the default), minutes, hours or days. sleep for Unix-like systems is part of the X/Open Portability Guide since issue 2 of 1987. It was inherited into the first version of POSIX and the Single Unix Specification. [1] It first appeared in Version 4 ...
President-elect Donald Trump on Wednesday shone a spotlight on the debt ceiling, rejecting a bipartisan government funding deal negotiated by House Speaker Mike Johnson and demanding lawmakers ...
The prairie dogs will create some tunnels that are close to the surface where they can sit vigil and listen for noises above ground. Although the prairie dogs live in large colonies, they form ...
The number of childfree women is at a record high: 48 percent of women between the ages of 18 and 44 don’t have kids, according to 2014 Census numbers. The Huffington Post and YouGov asked 124 women why they choose to be childfree.