C++ (Cpp) __srand48_r示例

示例#1

文件： create_xid.c 项目： KrisChaplin/octeon_toolchain-4.1

unsigned long
_create_xid (void)
{
  long int res;

  __libc_lock_lock (createxid_lock);

  if (!is_initialized)
    {
      struct timeval now;

      __gettimeofday (&now, (struct timezone *) 0);
      __srand48_r (now.tv_sec ^ now.tv_usec, &__rpc_lrand48_data);
      is_initialized = 1;
    }

  lrand48_r (&__rpc_lrand48_data, &res);

  __libc_lock_unlock (createxid_lock);

  return res;
}

示例#2

文件： srand48.c 项目： riscv/riscv-glibc

void
srand48 (long seedval)
{
  (void) __srand48_r (seedval, &__libc_drand48_data);
}