diff options
| author | Andy Koppe <andy.koppe@gmail.com> | 2022-11-09 23:34:30 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2022-11-10 12:07:05 +0300 |
| commit | 59b8ee7d7066b9a3f39e1c765d0cecb5d9bc07fd (patch) | |
| tree | ecc1ae797960ff6b3f0c4a5209e6b30ad9e5f516 | |
| parent | 67459ce679f42ef81faaeb2401593105d6fbbf5d (diff) | |
Cygwin: Correct /proc/*/stat for processes without ctty
Report 0 instead of 268435455 (i.e. 0xFFFFFFF) in the tty field of
/proc/*/stat for processes without a controlling terminal. This is what
the procps utility expects when selecting or excluding such processes.
| -rw-r--r-- | winsup/cygwin/fhandler/process.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/winsup/cygwin/fhandler/process.cc b/winsup/cygwin/fhandler/process.cc index a8c17f1b0..b0aef2ebe 100644 --- a/winsup/cygwin/fhandler/process.cc +++ b/winsup/cygwin/fhandler/process.cc @@ -1092,9 +1092,11 @@ format_process_stat (void *data, char *&destbuf) int nice = 0; /* ctty maj is 31:16, min is 15:0; tty_nr s/b maj 15:8, min 31:20, 7:0; maj is 31:16 >> 16 & fff << 8; min is 15:0 >> 8 & ff << 20 | & ff */ - int tty_nr = (((p->ctty >> 8) & 0xff) << 20) - | (((p->ctty >> 16) & 0xfff) << 8) - | (p->ctty & 0xff); + int tty_nr = 0; + if (p->ctty > 0) + tty_nr = (((p->ctty >> 8) & 0xff) << 20) + | (((p->ctty >> 16) & 0xfff) << 8) + | (p->ctty & 0xff); if (p->process_state & PID_EXITED) strcpy (cmd, "<defunct>"); |