Issue #18571: Implementation of the PEP 446: file descriptors and file handles

are now created non-inheritable; add functions os.get/set_inheritable(),
os.get/set_handle_inheritable() and socket.socket.get/set_inheritable().

1 files changed, 22 insertions, 0 deletions

diff --git a/Lib/test/subprocessdata/inherited.py b/Lib/test/subprocessdata/inherited.py
new file mode 100644
index 0000000000..1aac041b34
--- /dev/null
+++ b/Lib/test/subprocessdata/inherited.py
@@ -0,0 +1,22 @@
+"""Similar to fd_status.py, but only checks file descriptors passed on the
+command line."""
+
+import errno
+import os
+import sys
+import stat
+
+if __name__ == "__main__":
+    fds = map(int, sys.argv[1:])
+    inherited = []
+    for fd in fds:
+        try:
+            st = os.fstat(fd)
+        except OSError as e:
+            if e.errno == errno.EBADF:
+                continue
+            raise
+        # Ignore Solaris door files
+        if not stat.S_ISDOOR(st.st_mode):
+            inherited.append(fd)
+    print(','.join(map(str, inherited)))