binutils-gdb/gdb/nat/netbsd-nat.c

/* Internal interfaces for the NetBSD code.

   Copyright (C) 2006-2020 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/>.  */

#include "nat/netbsd-nat.h"

#include <sys/types.h>
#include <sys/sysctl.h>

namespace netbsd_nat
{

/* See netbsd-nat.h.  */

const char *
pid_to_exec_file (pid_t pid)
{
  static char buf[PATH_MAX];
  int mib[4] = {CTL_KERN, KERN_PROC_ARGS, pid, KERN_PROC_PATHNAME};
  size_t buflen = sizeof (buf);
  if (::sysctl (mib, ARRAY_SIZE (mib), buf, &buflen, NULL, 0) != 0)
    return NULL;
  return buf;
}

}