1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2004-2012 Inktank
8 * This is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2.1, as published by the Free Software
11 * Foundation. See file COPYING.
15 #include "include/compat.h"
19 void dump_open_fds(CephContext *cct)
21 const char *fn = PROCPREFIX "/proc/self/fd";
24 lderr(cct) << "dump_open_fds unable to open " << fn << dendl;
27 struct dirent *de = nullptr;
30 while ((de = ::readdir(d))) {
31 if (de->d_name[0] == '.')
34 snprintf(path, sizeof(path), "%s/%s", fn, de->d_name);
35 char target[PATH_MAX];
36 ssize_t r = readlink(path, target, sizeof(target) - 1);
39 lderr(cct) << "dump_open_fds unable to readlink " << path << ": " << cpp_strerror(r) << dendl;
43 lderr(cct) << "dump_open_fds " << de->d_name << " -> " << target << dendl;
46 lderr(cct) << "dump_open_fds dumped " << n << " open files" << dendl;