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