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hi all how can i lock, a file(name.txt) using c.(programatically) and unlock. help me thank you in advance...
  1. 05-18-2007 #1
    munna_dude
    munna_dude is offline
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    lock and unlock

    hi all
    how can i lock, a file(name.txt) using c.(programatically)
    and unlock.

    help me
    thank you in advance
    "Relationships are built on trust and communication"
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  2. 05-18-2007 #2
    the_unforgiven
    the_unforgiven is offline
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    Read fcntl man page - especially options F_SETLK/F_GETLK.
    Mind you, by default it is advisory locking - not enforced.
    For mandatory (forced) locking, you need support from the underlying filesystem. Read further down in the page I gave link for.
    The Unforgiven
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