Since UNIX forum is for Linux,Unix,BSD and my issue is regarding Solaris i am posting it in lounge.....
In Linux during a service start via init.d a file under /var/lock/subsys/(servicename) is touched....
In Solaris there is no folder named /var/lock/ So does this mean, we need not to touch any file while starting the service via init.d.? Or the file need to be touched is in some other place....
Regards
Dheeraj Joshi
17  3147  NeoPa 32,556
Expert Mod 16PB
And since we don't allow technical questions in the Lounge I'm moving it to Miscellaneous (though I can move it to Unix if you prefer) :D
Sorry Dheeraj, I couldn't resist that.
Seriously though, not the Lounge. This is supposed to be a member chill-out area. Away from technical questions.
Sorry...... I did not noticed this misc section is back.....
Regards
Dheeraj Joshi
NeoPa 32,556
Expert Mod 16PB
No worries Dheeraj.
Looking again though, it seems to me that Solaris is actually a version of Unix. It's just Sun's particular flavour. I'll move it in there and we'll see what help you get then.
What version of solaris?
There are different implementations of this, depending on what applications and what versions you're using. Is it a specific application, or just any old system app?
@dheerajjoshim Why don't you just give us the output of:
from the command line, that will give us what we need to know so that we may help you.
And NeoPa is absolutely correct. Solaris IS one of the flavors of Unix. So that you are aware, here is a list of the different flavors of Unix.
Regards,
Jeff
NeoPa 32,556
Expert Mod 16PB
Well Dheeraj, it seems like you're in the best of hands now :)
Yeah.... Solaris version is 5.10... And yes it is a specific application....
Regards
Dheeraj Joshi
NeoPa 32,556
Expert Mod 16PB
Don't forget to run uname -a and post the results here Dheeraj ;)
rune ..?
Gave me this.....
SunOS solaris19 5.10 Generic sun4u sparc SUNW,Sun-Fire-V210
Regards
Dheeraj Joshi
NeoPa 32,556
Expert Mod 16PB
Rune? I never said that!!
:D It was a typo I'm afraid.
It looks like Solaris 5 was where they started to use svcs, but hadn't really gotten everyone to completely switch over yet.
You said this was a specific app - is it one you are attempting to develop, or maintain? If it's one you're developing, I found the following: http://man-wiki.net/index.php/2:fcntl#Advisory_locking
That's the recommended method for locking files in Solaris. (found by Google searching 'Solaris 5 lock file?' if you were curious)
If this is an app you have purchased, have you asked the vendor (or online support team) where they implemented their lock file?
This App was developed by somebody else, but we have to maintain it and develop new things on top of it....
Regards
Dheeraj Joshi
Did you take a look at that link? Do you know what type of file lock that application is using? What language is it written in?
It is written in C.... Yes, i have looked into it...
Regards
Dheeraj Joshi
You should be able to cat <filename> | grep -i lock and see if there is a line that uses one of the lock functions, if not I'd suggest | grep -i lck and seeing what comes up.
Does that help?
Lockfiles are a *nix trope that have no enforced usage pattern. Many systems provide a standard location in the filesystem, such as the /var/run tree, for lockfiles to simplify permissions management. However, the location of a lockfile is irrelevant.
In the case of init.d scripts, the lockfile is usually used by the script to determine whether the service is running already. Starting a service checks for the lockfile and fails if it exists (because it assumes the service is already running). Stopping a service with the script also removes the lockfile.
You can put the lockfile anywhere you like.
Oh wow, I totally missed he was looking for where to put it. Thanks for the catch, sehrgut!
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