[RFC][PATCH] Using "lyx_tmpdir" magic constant

[Stephan Witt]

Hi all,

while trying to understand how temp directory management works
I’ve stumbled over the „lyx_tmpdir“ string constant use.

1. This magic name should be coded in filetools only.
For this I didn’t prepare a patch.

BTW: is the code in lyxSockets() of lyxclient ok?
There is a check for "lyx_tmpdir" + pid but I cannot see
how this match should happen.

2. The attached patch simplifies LyX::prepareExit()
IMO it’s safe and an improvement. Isn’t it?

Stephan

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