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https://github.com/wolfcw/libfaketime.git
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2ca0b719e3
This is an attempt to ensure that an external library invocation of getpid doesn't trigger a crash (e.g. #295) or an infinite loop (e.g. #297).
27 lines
797 B
Bash
Executable File
27 lines
797 B
Bash
Executable File
#!/bin/sh
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FTPL="${FAKETIME_TESTLIB:-../src/libfaketime.so.1}"
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set -e
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run1=$(LD_PRELOAD="$FTPL" sh -c 'echo $$')
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run2=$(LD_PRELOAD="$FTPL" sh -c 'echo $$')
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if [ $run1 = $run2 ]; then
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printf >&2 'got the same pid twice in a row without setting FAKETIME_FAKEPID\n'
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exit 1
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fi
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output=$(FAKETIME_FAKEPID=13 LD_PRELOAD="$FTPL" sh -c 'echo $$')
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if [ $output != 13 ]; then
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printf >&2 'Failed to enforce a rigid response to getpid()\n'
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exit 2
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fi
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printf 'testing shared object with getpid() in library constructor\n'
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LD_LIBRARY_PATH=. ./use_lib_getpid
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printf 'now with LD_PRELOAD and FAKETIME_FAKEPID\n'
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FAKETIME_FAKEPID=25 LD_PRELOAD="$FTPL" LD_LIBRARY_PATH=. ./use_lib_getpid
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printf 'now with LD_PRELOAD without FAKETIME_FAKEPID\n'
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LD_PRELOAD="$FTPL" LD_LIBRARY_PATH=. ./use_lib_getpid
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