Bug 46729 - Named Mutex handle does not exist:
Summary: Named Mutex handle does not exist:
Alias: None
Product: Runtime
Classification: Mono
Component: JIT (show other bugs)
Version: 4.6.0 (C8)
Hardware: PC Linux
: --- normal
Target Milestone: ---
Assignee: Bugzilla
Depends on:
Reported: 2016-11-10 15:39 UTC by Roman
Modified: 2017-10-07 17:46 UTC (History)
3 users (show)

See Also:
Is this bug a regression?: ---
Last known good build:


Description Roman 2016-11-10 15:39:22 UTC
I've created application which created Mutex:

_mutex = new Mutex(false, "SlideShow");

Than I've created another application which must get mutex from first application:

Mutex mut = Mutex.OpenExisting("SlideShow");

I start first application, then I start second application and then I catch Exception: 
"Named Mutex handle does not exist: SlideShow"

Why? I don't understand!
Comment 1 Ludovic Henry 2017-10-06 23:44:13 UTC
Mono doesn't support cross-process Mutex, Semaphore and Event.
Comment 2 Roman 2017-10-07 17:46:01 UTC
It's great!!! Belissimo. But net. Framework supports it

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