Persistence of file implemented objects
Christopher Faylor
cgf-use-the-mailinglist-please@cygwin.com
Sun Jul 1 23:35:00 GMT 2012
On Sun, Jul 01, 2012 at 07:17:15PM +0100, Richard H Lee wrote:
>> Fifos persist on reboot on Linux or Cygwin. They live on the
>> filesystem. I don't see how POSIX IPC shared memory and semaphores
>> could persist.
>
>Sorry, I meant unix/bsd sockets.
...which also persist on linux.
>Regarding the POSIX IPC's, they are stored in /dev . In regular *nix,
>/dev do not represent "physical" files on the filesystem, hence they do
>not persist over boot.
>
>In cygwin, they actually do represent physical files. So if they are not
>freed correctly by the program, the persist over to the next boot.
what specific interface are you talking about which creates physical
files in /dev?
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