Vincent Snijders wrote:
Felipe Monteiro de Carvalho schreef:
Hello,
I was looking into a way to detect if an instance of my application is
running. Is there a cross-platform solution on rtl or fcl?
It seams that semaphores would be a good solution. I took a look at
pthreads and PSemaphore but that is only an alias for unix specific
semaphores.
If there is no current solution for this problem, may I implement
pthreads for Windows? Or maybe a new unit? I remember using Mutex
Windows APIs to do what I need in the past. There are probably
Semaphore functions that could be used to provide a uniform interface
across the supported platforms.
Have you considered UniqueInstance?
http://wiki.lazarus.freepascal.org/UniqueInstance
The updated version can be found at
https://svn.bountysource.com/luipack/trunk/uniqueinstance
Requires fpc 220.
Can work both in Lazarus app or console app.
It works both in Linux (Tested Ubuntu Feisty) and Windows (Tested Xp SP2).
I will prepare a new release in ASAP.
Luiz
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