accessing newly-created files
accessing newly-created files
- Subject: accessing newly-created files
- From: "David Piasecki" <email@hidden>
- Date: Thu, 15 Apr 2004 12:04:50 -0700
I use a system call to execute a program which creates an image file
that I want to display directly after it is written. For some reason,
it seems to tell the OS to write the file, and then it returns before
the file is actually written. So when my next call attempts to read the
file, I get an error. I got around this by calling the standard C sleep
function; however, sleep only takes increments of seconds. 1 second was
plenty of time for the ~30K file to be written, but I'd rather not wait
that long, and it's not a good way of handling things. Rather, I would
like to perform a check for the status of the file to make sure it's
all there before attempting a read operation. Is there a way to do
this?
David
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