Method createProcess

src/dmtcprestartinternal.cpp:290–357

}

void
RestoreTarget::createProcess(bool createIndependentRootProcesses)
{
  initialize();

  if (allowedModes == COORD_NEW) {
    allowedModes = COORD_ANY; // we have coord; restore default of COORD_ANY
  }

  JTRACE("Creating process during restart")(upid())(procname());
  JTRACE("Creating process during restart")(upid())(procname());

  RestoreTargetMap::iterator it;
  for (it = targets.begin(); it != targets.end(); it++) {
    RestoreTarget *t = it->second;
    if (upid() == t->upid()) {
      continue;
    } else if (t->uppid() == upid() && t->sid() != pid()) {
      t->createDependentChildProcess();
    }
  }

  if (createIndependentRootProcesses) {
    RestoreTargetMap::iterator it;
    for (it = independentProcessTreeRoots.begin();
         it != independentProcessTreeRoots.end(); it++) {
      RestoreTarget *t = it->second;
      if (t != this) {
        t->createDependentNonChildProcess();
      }
    }
  }

  // If we were the session leader, become one now.
  if (sid() == pid()) {
    if (getsid(0) != pid()) {
      JWARNING(setsid() != -1)
      (getsid(0))(JASSERT_ERRNO)
        .Text("Failed to restore this process as session leader.");
    }
  }

  // Now recreate processes with sid == _pid
  for (it = targets.begin(); it != targets.end(); it++) {
    RestoreTarget *t = it->second;
    if (upid() == t->upid()) {
      continue;
    } else if (t->sid() == pid()) {
      if (t->uppid() == upid()) {
        t->createDependentChildProcess();
      } else if (t->isRootOfProcessTree()) {
        t->createDependentNonChildProcess();
      }
    }
  }

  // Now close all open fds except _fd;
  for (it = targets.begin(); it != targets.end(); it++) {