| Guido van Rossum | 7874106 | 2002-08-17 11:41:01 +0000 | [diff] [blame] | 1 | # Helper script for test_tempfile.py. argv[2] is the number of a file |
| 2 | # descriptor which should _not_ be open. Check this by attempting to |
| 3 | # write to it -- if we succeed, something is wrong. |
| 4 | |
| 5 | import sys |
| 6 | import os |
| 7 | |
| 8 | verbose = (sys.argv[1] == 'v') |
| 9 | try: |
| 10 | fd = int(sys.argv[2]) |
| 11 | |
| 12 | try: |
| 13 | os.write(fd, "blat") |
| 14 | except os.error: |
| 15 | # Success -- could not write to fd. |
| 16 | sys.exit(0) |
| 17 | else: |
| 18 | if verbose: |
| 19 | sys.stderr.write("fd %d is open in child" % fd) |
| 20 | sys.exit(1) |
| 21 | |
| 22 | except StandardError: |
| 23 | if verbose: |
| 24 | raise |
| 25 | sys.exit(1) |