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512662fb30
* tests/misc/timeout-parameters: Verify that the timer doesn't fire immediately in the problematic range, and avoid overflow checks in that case. * man/timeout.x: Mention the possible bug. Reported by Bruno Haible
81 lines
2.1 KiB
Bash
Executable File
81 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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# Validate timeout parameter combinations
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# Copyright (C) 2008-2012 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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print_ver_ timeout
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getlimits_
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# internal errors are 125, distinct from execution failure
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# invalid timeout
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timeout invalid sleep 0
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test $? = 125 || fail=1
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# invalid kill delay
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timeout --kill-after=invalid 1 sleep 0
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test $? = 125 || fail=1
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# invalid timeout suffix
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timeout 42D sleep 0
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test $? = 125 || fail=1
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# It was seen on 32 bit Linux/HPPA that a kernel time_t overflowed,
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# thus causing the timer to fire immediately.
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# So verify that doesn't happen before checking large timeouts
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KERNEL_OVERFLOW_LIMIT=$(expr $TIME_T_MAX - $(date +%s) + 100)
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timeout $KERNEL_OVERFLOW_LIMIT sleep 0
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if test $? != 124; then
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# timeout overflow
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timeout $UINT_OFLOW sleep 0
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test $? = 0 || fail=1
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# timeout overflow
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timeout $(expr $UINT_MAX / 86400 + 1)d sleep 0
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test $? = 0 || fail=1
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# timeout overflow
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timeout 999999999999999999999999999999999999999999999999999999999999d sleep 0
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test $? = 0 || fail=1
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# floating point notation
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timeout 2.34e+5d sleep 0
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test $? = 0 || fail=1
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fi
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# floating point notation
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timeout 2.34 sleep 0
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test $? = 0 || fail=1
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# nanoseconds potentially supported
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timeout .999999999 sleep 0 || fail=1
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# invalid signal spec
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timeout --signal=invalid 1 sleep 0
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test $? = 125 || fail=1
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# invalid command
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timeout 10 .
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test $? = 126 || fail=1
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# no such command
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timeout 10 no_such
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test $? = 127 || fail=1
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Exit $fail
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