File: tf_inherit_check.py

package info (click to toggle)
pypy 5.6.0%2Bdfsg-4
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 97,040 kB
  • ctags: 185,069
  • sloc: python: 1,147,862; ansic: 49,642; cpp: 5,245; asm: 5,169; makefile: 529; sh: 481; xml: 232; lisp: 45
file content (25 lines) | stat: -rw-r--r-- 581 bytes parent folder | download | duplicates (34)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
# Helper script for test_tempfile.py.  argv[2] is the number of a file
# descriptor which should _not_ be open.  Check this by attempting to
# write to it -- if we succeed, something is wrong.

import sys
import os

verbose = (sys.argv[1] == 'v')
try:
    fd = int(sys.argv[2])

    try:
        os.write(fd, "blat")
    except os.error:
        # Success -- could not write to fd.
        sys.exit(0)
    else:
        if verbose:
            sys.stderr.write("fd %d is open in child" % fd)
        sys.exit(1)

except StandardError:
    if verbose:
        raise
    sys.exit(1)