Description
bool
flock
( int fp, int operation [, int wouldblock])
flock(
)
operates
on
fp
which
must
be
an
open
file
pointer
.
operation
is
one
of
the
following
values
:
flock(
)
returns
TRUE
on
success
and
FALSE
on
error
(e.g
.
when
a
lock
could
not
be
acquired
)
.