is_busy
is_busy — determines if a file is busy.
Arguments
- path
A character string defining a file
path and file name in this
file system.
Returns
t if the named file
exists and is busy, otherwise nil.
Description
This function is supported only by certain operating
system and hardware combinations that mark files as busy
when they are opened for write by another task. You can
check this using the ls -l shell
command. If it shows a busy file with a 'B' or 'b' as the
first bit in the bitmask, this function should be
supported.
Example
Gamma> is_busy("/tmp/busyfile");
t
