Fixes Issue #16962: Use getdents64 instead of the obsolete getdents syscall

in the subprocess module on Linux.

diff --cc Misc/NEWS
index 0f787d2046d166c37bedaa2fbdcbd948e3afd8a4,d569813b6a178d27262ca82bd327632c85495860..5bf85eea5b37968529842bffa9bd539648aa3240
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -273,14 -191,11 +273,17 @@@ Core and Builtin
  Library
  -------
  
+ - Issue #16962: Use getdents64 instead of the obsolete getdents syscall
+   in the subprocess module on Linux.
+ 
 +- Issue #16935: unittest now counts the module as skipped if it raises SkipTest,
 +  instead of counting it as an error.  Patch by Zachary Ware.
 +
  - Issue #17018: Make Process.join() retry if os.waitpid() fails with EINTR.
  
 +- Issue #17197: profile/cProfile modules refactored so that code of run() and
 +  runctx() utility functions is not duplicated in both modules.
 +
  - Issue #14720: sqlite3: Convert datetime microseconds correctly.
    Patch by Lowe Thiderman.
  

diff --cc Modules/_posixsubprocess.c
Simple merge