Method ProcessInfo

src/processinfo.cpp:153–211

}

ProcessInfo::ProcessInfo()
{
  char buf[PATH_MAX];

  _do_lock_tbl();

  strcpy(ckptSignature, DMTCP_CKPT_SIGNATURE);
  memset(padding, 0, sizeof(padding));

  upid = UniquePid::ThisProcess();
  uppid = UniquePid::ParentProcess();

  restoreBuf.startAddr = 0;
  restoreBuf.endAddr = 0;

  pid = -1;
  ppid = -1;
  sid = -1;
  gid = -1;
  fgid = -1;
  isRootOfProcessTree = false;
  numPeers = 1;

#ifdef CONFIG_M32
  _elfType = Elf_32;
#else // ifdef CONFIG_M32
  elfType = Elf_64;
#endif // ifdef CONFIG_M32

  clock_gettime_offset = dmtcp_dlsym_lib_fnc_offset("linux-vdso",
                                                     "__vdso_clock_gettime");
  getcpu_offset = dmtcp_dlsym_lib_fnc_offset("linux-vdso",
                                              "__vdso_getcpu");
  gettimeofday_offset = dmtcp_dlsym_lib_fnc_offset("linux-vdso",
                                                    "__vdso_gettimeofday");
  time_offset = dmtcp_dlsym_lib_fnc_offset("linux-vdso", "__vdso_time");

  vdso = {0, 0};
  vvar = {0, 0};
  vvarVClock = {0, 0};
  endOfStack = 0;
  savedBrk = (uint64_t) sbrk(0);
  endOfStack = 0;
  postRestartAddr = 0;

  string procSelfExeStr = jalib::Filesystem::ResolveSymlink("/proc/self/exe");
  strncpy(procSelfExe, procSelfExeStr.c_str(), sizeof(procSelfExe) - 1);

  _generation = 0;

  // _generation, above, is per-process.
  // This contrasts with DmtcpUniqueProcessId:_computation_generation, which is
  // shared among all process on a node; used in variable sharedDataHeader.
  // _generation is updated when _this_ process begins its checkpoint.
  _pthreadJoinId.clear();
  JASSERT(getcwd(buf, sizeof buf) != NULL);
  _launchCWD = buf;
  _do_unlock_tbl();