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Cygwin: Change /proc/$PID/fd/<fd> symlink target for deleted files

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- As on Linux, print the file name with an attached " (deleted)"

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2018-12-26 21:22:40 +01:00
parent 4cd209e921
commit 7148fbc496
1 changed files with 15 additions and 3 deletions
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18
winsup/cygwin/fhandler.cc
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@ -137,11 +137,23 @@ fhandler_base::set_name (path_conv &in_pc)
char *fhandler_base::get_proc_fd_name (char *buf)
{
IO_STATUS_BLOCK io;
FILE_STANDARD_INFORMATION fsi;
/* If the file had been opened with O_TMPFILE | O_EXCL, don't
expose the filename. linkat is supposed to return ENOENT in this
case. See man 2 open on Linux. */
if ((get_flags () & (O_TMPFILE | O_EXCL)) == (O_TMPFILE | O_EXCL))
return strcpy (buf, "");
case. FIXME: As soon as we open by handle from /proc/<PID>/fd,
the O_EXCL test has to be moved to open. */
if ((get_flags () & (O_TMPFILE | O_EXCL)) == (O_TMPFILE | O_EXCL)
|| (get_device () == FH_FS
&& NT_SUCCESS (NtQueryInformationFile (get_handle (), &io,
&fsi, sizeof fsi,
FileStandardInformation))
&& fsi.DeletePending))
{
stpcpy (stpcpy (buf, get_name ()), " (deleted)");
return buf;
}
if (get_name ())
return strcpy (buf, get_name ());
if (dev ().name ())