Method exec

src/common/SubProcess.cc:240–257

}

void SubProcess::exec() {
  ceph_assert(is_child());

  std::vector<const char *> args;
  args.push_back(cmd.c_str());
  for (std::vector<std::string>::iterator i = cmd_args.begin();
       i != cmd_args.end();
       i++) {
    args.push_back(i->c_str());
  }
  args.push_back(NULL);

  int ret = execvp(cmd.c_str(), (char * const *)&args[0]);
  ceph_assert(ret == -1);

  std::cerr << cmd << ": exec failed: " << cpp_strerror(errno) << "\n";
  _exit(EXIT_FAILURE);
}

int SubProcess::join() {
  ceph_assert(is_spawned());