Questions tagged [busy-waiting]
101 questions
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3 answers
What are the advantages and disadvantages of Busy-waiting and timer interrupts in programming?
A feasible way to achieve a suitable time delay is to use busy-waiting, however
what are the advantages and disadvantages of using a busy-waiting or timer interrupts approach programming?
M.Khalaf
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Alternative to time.sleep
INTRO: It is well known that the accuracy of time.sleep is OS and computation load dependent. The accuracy in Windows is very poor.
Similarly to /questions/17499837 a method can implement a busy wait using the time.clock method as an alternative to…
WOM
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show user 'processing' animation in python
i just wrote an extremely long script that takes a list of URLs and runs a series of API calls, processes them etc.
Unfortunately for majority of the calls, response is empty (to give scale, i get result for ~100 / 4000 urls )
I'm wondering if there…
wickedpanda
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How to avoid busy wait in a single threaded event loop
I'm coding a simple piano roll app that uses the SDL2 bindings for Rust to do its event handling and rendering. I have something very similar to the following code:
let fps = 60;
let accumulator = 0; // Time in seconds
'running: loop {
let t0 =…
Valazo
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Microsoft Visual Studio 2019 "Server Busy" every time I open a dialog. Devenv.exe is faulting with textservice.dll
Microsoft Visual Studio 2019 shows a "Server Busy" dialog every time I open a dialog.
A Procmon search for devenv.exe finds at least 100 NO SUCH FILE entries for the following…
jlavallet
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Why spinlocks can become performance issue in multithreaded programs?
I know what spinlocks are and that they use busy waiting. But why can it become a performance problem in multithreaded programs on a multicore processor?
And what can be done about it?
Agent smith 2.0
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Is it better to deadlock main thread instead of busy waiting?
I have a main thread that starts multiple deamon threads listening to filesystem events.
I need to keep the main thread alive. To do so I can use a while loop, or "deadlock" it. Which is better, performance wise?
while True:
…
Julien__
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Custom barrier implementation using condition variables
I am implementing a custom version of pthread_barrier_wait in C. In my first simple implementation i used locks and condition variables. But after some testing and research i found out that when i am using consecutive barrier_wait calls it is not…
mnmbs
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What is the best way to prevent user click anything on the form while processing on background?
I am working on an Youtube Mp3 converter. Mp3 converting takes a few seconds and I want the user not able to click any control on the form. I have done it using Control.Enabled = false for all control but I think this way is not professional and…
Ali Tor
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Clojure - Wait for changes in files
I have two files, both 1 byte big (containing nothing more than "1" or "0").
Now inside of the main loop of a program written in Clojure, I would want to wait until either of the files have changed before proceeding. This could be done by…
user2064572
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Why does my tail calling function not pause and flush output?
I have looked through lua-users Sleep Function reference in an effort to find a non-busy waiting solution to the sleep problem and I'm not happy with any of them. Nonetheless I attempted using several to provide a delay at the end of a function…
Stephen
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How to get the call waiting state of a new incoming call during a phone conversation
I am working with an android application which reads the phone states of incoming phone calls. And i have successfully captured the ringing,off-hook and idle states. But the problem is that i need to get the Call Waiting state of a new incoming…
ARUNBALAN NV
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Python signal between functions to remove busy waiting
I'm just trying to implement a simple Observer pattern in Python and am running into an issue. This is my code:
class Observable:
def __init__(self):
self.__observers = []
def register_observer(self, observer):
…
Jatinshravan
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3 answers
Busy-waiting alternative
I have a problem with a javascript-Function, where I can't use callback-Functions.
The function gets a List of "commands", and iterates over them. It performs one command after another.
In order to do that, I have to use a recursive Function with…
maja
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if there is a infinite loop in a python code, is it harmful or use large amount of resources?
i am trying to make an alarm clock. this uses the time function and check if current time is equal to the alarm time in a while True loop.
does it use heavy amount of resources as it check the condition at the maximum frequency it can. is there a…
Lokesh
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