gdb/common/linux-procfs.h

   1 /* Linux-specific PROCFS manipulation routines.
   2    Copyright (C) 2011-2014 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef COMMON_LINUX_PROCFS_H
  20 #define COMMON_LINUX_PROCFS_H
  21
  22 #include <unistd.h>
  23
  24 /* Return the TGID of LWPID from /proc/pid/status.  Returns -1 if not
  25    found.  */
  26
  27 extern int linux_proc_get_tgid (pid_t lwpid);
  28
  29 /* Return the TracerPid of LWPID from /proc/pid/status.  Returns -1 if not
  30    found.  */
  31
  32 extern pid_t linux_proc_get_tracerpid (pid_t lwpid);
  33
  34 /* Detect `T (stopped)' in `/proc/PID/status'.
  35    Other states including `T (tracing stop)' are reported as false.  */
  36
  37 extern int linux_proc_pid_is_stopped (pid_t pid);
  38
  39 /* Return non-zero if PID is a zombie.  */
  40
  41 extern int linux_proc_pid_is_zombie (pid_t pid);
  42
  43 #endif /* COMMON_LINUX_PROCFS_H */