ceph/src/global/global_context.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2011 New Dream Network
   7  *
   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.
  12  *
  13  */
  14
  15 #include "common/ceph_context.h"
  16 #include "global/global_context.h"
  17
  18 #include <string.h>
  19
  20
  21 /*
  22  * Global variables for use from process context.
  23  */
  24 CephContext *g_ceph_context = NULL;
  25 ConfigProxy& g_conf() {
  26 #ifdef WITH_SEASTAR
  27   return ceph::common::local_conf();
  28 #else
  29   return g_ceph_context->_conf;
  30 #endif
  31 }
  32
  33 const char *g_assert_file = 0;
  34 int g_assert_line = 0;
  35 const char *g_assert_func = 0;
  36 const char *g_assert_condition = 0;
  37 unsigned long long g_assert_thread = 0;
  38 char g_assert_thread_name[4096] = { 0 };
  39 char g_assert_msg[8096] = { 0 };
  40 char g_process_name[NAME_MAX + 1] = { 0 };
  41
  42 bool g_eio = false;
  43 char g_eio_devname[1024] = { 0 };
  44 char g_eio_path[PATH_MAX] = { 0 };
  45 int g_eio_error = 0;    // usually -EIO...
  46 int g_eio_iotype = 0;   // 1 = read, 2 = write
  47 unsigned long long g_eio_offset = 0;
  48 unsigned long long g_eio_length = 0;
  49
  50 int note_io_error_event(
  51   const char *devname,
  52   const char *path,
  53   int error,
  54   int iotype,
  55   unsigned long long offset,
  56   unsigned long long length)
  57 {
  58   g_eio = true;
  59   if (devname) {
  60     strncpy(g_eio_devname, devname, sizeof(g_eio_devname));
  61   }
  62   if (path) {
  63     strncpy(g_eio_path, path, sizeof(g_eio_path));
  64   }
  65   g_eio_error = error;
  66   g_eio_iotype = iotype;
  67   g_eio_offset = offset;
  68   g_eio_length = length;
  69   return 0;
  70 }