code: def _use_posix_spawn():
      """Check if posix_spawn() can be used for subprocess.
  
      subprocess requires a posix_spawn() implementation that properly reports
      errors to the parent process, & sets errno on the following failures:
  
      * Process attribute actions failed.
      * File actions failed.
      * exec() failed.
  
      Prefer an implementation which can use vfork() in some cases for best
      performance.
      """
      if _mswindows or not hasattr(os, "posix_spawn"):
          # os.posix_spawn() is not available
          return False
  
      if sys.platform in ("darwin", "sunos5"):
          # posix_spawn() is a syscall on both macOS and Solaris,
          # and properly reports errors
          return True
  
      # Check libc name and runtime libc version
      try:
          ver = os.confstr("CS_GNU_LIBC_VERSION")
          # parse 'glibc 2.28' as ('glibc', (2, 28))
          parts = ver.split(maxsplit=1)
          if len(parts) != 2:
              # reject unknown format
              raise ValueError
          libc = parts[0]
          version = tuple(map(int, parts[1].split(".")))
  
          if (
              sys.platform == "linux"
              and libc == "glibc"
              and version >= (2, 24)
          ):
              # glibc 2.24 has a new Linux posix_spawn implementation using vfork
              # which properly reports errors to the parent process.
              return True
          # Note: Don't use the implementation in earlier glibc because it doesn't
          # use vfork (even if glibc 2.26 added a pipe to properly report errors
          # to the parent process).
      except (AttributeError, ValueError, OSError):
          # os.confstr() or CS_GNU_LIBC_VERSION value not available
          pass
  
      # By default, assume that posix_spawn() does not properly report errors.
      return False
  
imports: import builtins
  import errno
  import io
  import locale
  import os
  import time
  import signal
  import sys
  import threading
  import warnings
  import contextlib
  from time import monotonic
  import types
label_desc: Use image node_id 11 for calling a global function with example usage: _use_posix_spawn() and returns: False, False, True, True