| # 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) |