Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / sam-t2 / devtools / v9 / lib / python2.4 / test / tf_inherit_check.py
# 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)