Enforce just one instance?

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grump
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Posts: 715
Joined: Sat Jul 22, 2017 7:43 pm

Re: Enforce just one instance?

Post by grump »

ivan wrote: Wed Mar 31, 2021 5:08 pm should be available in love.filesystem by default
Agreed.

I got this lib that could provide file locking (on physical filesystems), but I'm hesitant to add those big platform-specific calls that go beyond basic POSIX and the occasional Windows support because of the amount of code, testing, and possible maintenance that is required. Maybe I'll reconsider my stance on this.
RNavega
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Joined: Sun Aug 16, 2020 1:28 pm

Re: Enforce just one instance?

Post by RNavega »

pgimeno wrote: Wed Mar 31, 2021 11:12 am It's not even listening. I doubt it consumes CPU.
Looking into the source to luasocket, it does seem to be simpler than I was thinking:
- https://github.com/diegonehab/luasocket ... ket.c#L154 (bind from WinSocket2 on Windows)
- https://github.com/diegonehab/luasocket ... ket.c#L135 (bind from sys/socket.h on *NIX)

The bind call is just giving the socket a name, it isn't yet listening or connecting to something else. So that would make it work like a cross-platform global mutex.
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