Function init_flock_struct

kernel/oswrapper/vspace.cc:292–299

}

void init_flock_struct(
    struct flock &lock_info, size_t offset, size_t len, bool lock) {
  lock_info.l_start = offset;
  lock_info.l_len = len;
  lock_info.l_pid = 0;
  lock_info.l_type = lock ? F_WRLCK : F_UNLCK;
  lock_info.l_whence = SEEK_SET;
}

void lock_file(int fd, size_t offset, size_t len) {
  struct flock lock_info;