From 7148fbc49688986b3648ba6ce3f2afd527d8baa0 Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Wed, 26 Dec 2018 21:22:40 +0100 Subject: [PATCH] Cygwin: Change /proc/$PID/fd/ symlink target for deleted files - As on Linux, print the file name with an attached " (deleted)" Signed-off-by: Corinna Vinschen --- winsup/cygwin/fhandler.cc | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc index 22dbdb05d..f7e34c746 100644 --- a/winsup/cygwin/fhandler.cc +++ b/winsup/cygwin/fhandler.cc @@ -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//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 ())