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Questions tagged [isalive]

9 questions
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1 answer

Be sure Weakreference is still existing after IsAlive

If i iterate over a list of Weakreferences, how can i be sure, the reference still exists, after proofing via _ref.IsAlive? For example i have this piece of code, where scopeReferences is a of Weakreferences: foreach (var _ref in scopeReferences) { …
BendEg
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Galera mysql check for HAProxy

I am using Galera cluster with 3 nodes. I am using HAProxy as a load-balancer. I currently using a mysql check script that is written for Percona cluster and after some deadlock problems I suspect that the script may be the issue. I've modified the…
SapManTM
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Quickest way to check if ip address is alive

What is the fastest/quickest way to check if an ip address is alive or not? EDIT It is in a local LAN. It would be used to check for example if the ip is assigned to a network printer. And this would also have to be able to be down from code,…
user3660338
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What HTTP status codes to use to represent success/failure of IsAlive for web requests?

I have a web application, for which I have an isalive page that gets hit on a regular basis (monitoring) to make sure my application is working (or is alive as the name suggests). In general, this isalive functionality/page is very light in terms of…
Mahesh Velaga
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problem : python threads still alive after completion

As an exercise, I try to implement a non blocking mechanism to manage my own pool of threads (I know concurrent.futures). I ended with a problem: threads are always alive, even after they have completed. I have written this little code to expose the…
DuGNu
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ProcessHandle returns ambiguous results

I've two Java 11 methods that check whether a process for a given PID is running: public static final boolean isProcessRunning( final long pid ) { Optional< ProcessHandle > optionalProcess = ProcessHandle.of( pid ); return…
Tobias F.
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ConcurrentMap is not concurrent? Can't remove a node from check-alive-system

I'm trying to have concurrency on a thread in my check-"AliveSystem" which is on every node in the cluster for sending alive-packets and checking if another node sent his alive-packet under the given time with max. 3 fails. gotAlive() is executed…
RoboFlax
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is there a isAlive method in C to check the status of a thread?

I need a method, like "isAlive" in java, to use in my C project to know the state of a pthread. While I was searching online I didn't manage to find anything. Do you guys have any suggestion?
user6793527
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sometimes threads still alive after code end

I had to write a multithreaded program in vb that can process files in a directory simultaniusly. Th problem is that it runs fine for some hours. Then it suddenly stucks at the "Thread.Sleep(500)" because all the 3 thread isAlive method returns with…
user3219009
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