ManualResetEvent notifies one or more waiting threads that an event has occurred
ManualResetEvent notifies one or more waiting threads that an event has occurred
Questions tagged [manualresetevent]
136 questions
2
votes
0 answers
Drawbacks with embedding event handlers in methods
Sometimes when I use assemblies that have an asynchronous approach for interaction (you call a method and then you get an event back with the answer) I like to convert them to synchrounus methods by embedding the event handler in the method.
The…
Patrik B
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1 answer
How do I wake up a thread at a specified time in objective-c
I'm writing an ssh wrapper in objective-c, I'm trying to implement a maxTime a command should take to execute. The way I implement it is:
Main Thread:
calculate timeout
create asyncThread (GCD queue) to execute command and parse the returned…
whisperstream
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1 answer
Reading twice from FileStream
I have a GetServiceMap() method which calls deserializer who then opens the stream and reads something from it.
The problem is that i have a GetAllGroups() method also who calls deserializer over the same stream.
How would i syncronize it? With…
Bip
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1 answer
What could cause EventWaitHandle.Set() to block the current thread?
I am invoking the Set method on an instance of a ManualResetEvent, and it is occasionally deadlocking. I can't find anything in the documentation to indicate that this is a blocking method. What could cause MRE.Set to block?
Stack Trace:
[Managed…
chilltemp
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2 answers
Why isn't the BeginGetResponse callback being called?
Here's my code:
namespace RequestApi
{
public partial class MainPage : PhoneApplicationPage
{
private BackgroundWorker bw;
private string ans;
private JObject ansJson;
private static ManualResetEvent allDone =…
Aram Gevorgyan
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1
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1 answer
How to repeatedly listen to serial port DataReceived event for timeout no buffer received?
I have a serial port connection to weighing indicator(display) that connecting to the scale.
The device B has 3 state:
No Power(Plug off)
Power On(Plug on but not power up)
Display Ready(after press power up)
On any state, I can connect to serial…
Luiey
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1 answer
Dictionary of ManualResetEvent - ThreadSafety
I'm synchronizing some threads using a dictionary of ManualResetEvents. It looks something like this. My question is, Is it thread-safe to call a getter/indexer of the dictionary like this? Should I call the getter from the context of a lock and…
stevep
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ManualResetEvent.WaitOne() with 0 timeout returns unexpected false although event was set
I have a class that wraps ManualResetEvent (see in the code sample below)
During my application flow I call the WaitOne method with a 0 parameter a few times.
It returns true as expected, except for one particular check that returns false although…
avmerber
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0 answers
Why does the connection get disposed before WaitAsync completes?
I'm having a problem with DBus usage.
I'm trying to get a notification bubble with a few action buttons up and running.
So far, I've been able to get the bubble to show with
retValue = await proxy.NotifyAsync(
and get the button that has been…
Stefan Steiger
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how I stop all threads using manualResetEvent or any other suggestion to stop my all threads?
I am using 10 threads each thread get 10 records whose Status is null and then
update status to "Q". Now these records is requested to different APIs and on success response i update the status to "C" all is doing nicely. As a stopper to stop all…
Qaisar Nisar
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1
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4 answers
Better approach to concurrently "do or wait and skip"
I wonder is there a better solution for this task. One have a function which called concurrently by some amount of threads, but if some thread is already executing the code the other threads should skip that part of code and wait until that thread…
ilivit
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2 answers
Strange behaviour of C# .NET ManualResetEvent after PC startup
I've recently noticed very strange behaviour of ManualResetEvent class in .NET framework. I am using C#, VS 2015, project's target is set to 4.5.2. Here is the full code:
using System;
using System.Diagnostics;
using System.Threading;
using…
iamnp
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1 answer
Using UnsafeRegisterWaitForSingleObject failed with exception when exiting app?
I'm trying to use ThreadPool.UnsafeRegisterWaitForSingleObject to notify if some app exits. It works at least at what I want but right after I close the main form, it throws the exception:
SEHException : External component has thrown an…
Hopeless
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what exactly happens when ManualResetEvent.WaitOne is called?
Recently I came across an MSDN link which says that the ManualResetEventSlim class can be used for better performance when compared to ManualResetEvent class.
"In the .NET Framework 4, you can use the System.Threading.ManualResetEventSlim class for…
Sudhindra J Mithra
- 25
- 5
1
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1 answer
windows service using shutdown event cant stop the service
I've written a windows service that attempts to read messages from an MSMQ and process them. I have added an installer to my project, and I have set the startup to manual. I install the service and then start it through the Services tool. I can…
bilpor
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