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General discussion on Husky Soft... [117 / 150]

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andrew clarke

Wilfred van Velzen

bash script blocking multi toss

January 17, 2017
12:03 AM *

16 Jan 17 09:44, you wrote to Benny Pedersen:

 WV> Your model is wrong! The checking and creating of the lock file should
 WV> be one atomic operation!

 WV> So use:

 WV> if create bash-lock-file succeeds
 WV>   do hpt
 WV>   do htick
 WV>   delete bash-lock-file
 WV> else
 WV>   do nothing
 WV> endif

 WV> Most distributions have a command for that. For instance 'lockfile'.

FWIW, 'lockfile' is part of the procmail package:

"apt-get install procmail" in Debian/Ubuntu,

"pkg install procmail" in FreeBSD,

etc.

--- GoldED+/BSD 1.1.5-b20161221
 * Origin: Blizzard of Ozz, Melbourne, Victoria, Australia (3:633/267)

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