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NAME

Fcntl - load the C Fcntl.h defines

SYNOPSIS 

    use Fcntl;
    use Fcntl qw(:DEFAULT :flock);

DESCRIPTION

This module is just a translation of the C fnctl.h file. Unlike the old mechanism of requiring a translated fnctl.ph file, this uses the h2xs program (see the Perl source distribution) and your native C compiler. This means that it has a far more likely chance of getting the numbers right.

NOTE

Only #define symbols get translated; you must still correctly pack up your own arguments to pass as args for locking functions, etc.

EXPORTED SYMBOLS

By default your system's F_* and O_* constants (eg, F_DUPFD and O_CREAT) are exported into your namespace. You can request that the flock() constants (LOCK_SH, LOCK_EX, LOCK_NB and LOCK_UN) be provided by using the tag :flock. See the Exporter manpage.

Please refer to your native fcntl() and open() documentation to see what constants are implemented in your system.