Groups > comp.os.linux.development.apps > #739

Re: equivalent for msem_init(),msem_lock() msem_unlock() in linux

Newsgroups	comp.os.linux.development.apps
Date	2014-06-19 06:54 -0700
References	<aa7cb273-36e9-4a05-9ce0-5f8a4028bc14@googlegroups.com> <lnslt9$1r8$1@dont-email.me> <64a61332-4754-417d-89ee-758109112806@googlegroups.com> <lntvt6$arc$1@dont-email.me> <87r42lp3ce.fsf@sable.mobileactivedefense.com>
Message-ID	<6479bed5-c117-433f-85fd-9dd9ddf422f1@googlegroups.com> (permalink)
Subject	Re: equivalent for msem_init(),msem_lock() msem_unlock() in linux
From	chaudhary.nabin@gmail.com

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On Thursday, 19 June 2014 06:04:49 UTC-5, Rainer Weikusat  wrote:
> Tauno Voipio <tauno.voipio@notused.fi.invalid> writes:
> 
> > On 19.6.14 00:01, chaudhary.nabin@gmail.com wrote:
> 
> >> On Wednesday, 18 June 2014 13:31:05 UTC-5, Tauno Voipio  wrote:
> 
> >>> On 18.6.14 21:14, chaudhary.nabin@gmail.com wrote:
> 
> >>>
> 
> >>>> Does any equivalent functions can be used
> 
> >>>>> on Linux while porting C/C++ applications
> 
> >>>>> from HP-UX for the following APIs
> 
> >
> 
> >>>>> msem_init()==>initialize a semaphore in a mapped file
> 
> >>>>> msem_lock()==> lock a semaphore
> 
> >>>>> msem_unlock==> unlock a semaphore,
> 
> >
> 
> >>>>> I want to port a program that looks somewhat like this
> 
> >>>>> to Linux,
> 
> >
> 
> >>
> 
> >> i wrote my own routine to implemet these routine through mutex. if you have any idea other that this please let me know
> 
> >>
> 
> >
> 
> > You did not answer to me.
> 
> >
> 
> > There are both System V and Posix semaphores in Linux.
> 
> > Did you read the documentation?
> 
> 
> 
> Judging from the text above, SysV semaphore sets are probably not a good
> 
> choice (some people would argue they aren't a good choice for anything)
> 
> but process-shared POSIX semaphores should be usable. sem_overview(7)
> 
> provides an introduction and pointers ('man 7 sem_overview').

i am using posix semaphore to write a wrapper routine same as HP unix.
thanks everyone for your suggestion.

Regards
nabin

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equivalent for msem_init(),msem_lock() msem_unlock() in linux chaudhary.nabin@gmail.com - 2014-06-18 11:14 -0700
  Re: equivalent for msem_init(),msem_lock() msem_unlock() in linux Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2014-06-18 21:31 +0300
    Re: equivalent for msem_init(),msem_lock() msem_unlock() in linux chaudhary.nabin@gmail.com - 2014-06-18 14:01 -0700
      Re: equivalent for msem_init(),msem_lock() msem_unlock() in linux Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2014-06-19 09:27 +0300
        Re: equivalent for msem_init(),msem_lock() msem_unlock() in linux Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-06-19 12:04 +0100
          Re: equivalent for msem_init(),msem_lock() msem_unlock() in linux chaudhary.nabin@gmail.com - 2014-06-19 06:54 -0700
  Re: equivalent for msem_init(),msem_lock() msem_unlock() in linux Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-06-19 12:12 +0100

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