binutils-gdb/gdb/common/linux-procfs.h

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/* Linux-specific PROCFS manipulation routines.
Copyright (C) 2011-2012 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMMON_LINUX_PROCFS_H
#define COMMON_LINUX_PROCFS_H
#include <unistd.h>
/* Return the TGID of LWPID from /proc/pid/status. Returns -1 if not
found. */
extern int linux_proc_get_tgid (pid_t lwpid);
/* Return the TracerPid of LWPID from /proc/pid/status. Returns -1 if not
found. */
extern pid_t linux_proc_get_tracerpid (pid_t lwpid);
/* Detect `T (stopped)' in `/proc/PID/status'.
Other states including `T (tracing stop)' are reported as false. */
extern int linux_proc_pid_is_stopped (pid_t pid);
/* Return non-zero if PID is a zombie. */
extern int linux_proc_pid_is_zombie (pid_t pid);
#endif /* COMMON_LINUX_PROCFS_H */