50 lines
960 B
Bash
Executable File
50 lines
960 B
Bash
Executable File
#!/bin/sh
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#
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# Check that process ID can be written to a file as described in the manual.
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# Dummy assignments for "shellcheck".
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testSubject="${testSubject:-false}"; workFile1="${workFile1:-.tmp1}"
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# Check we can run "kill -s 0".
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if ! kill -s 0 $$ >/dev/null 2>&1; then
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echo "cannot check process existence with \`kill -s 0'"
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exit 77
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fi
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dd if=/dev/zero bs=150 count=1 2>/dev/null \
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| "${testSubject}" -q -L 50 -P "${workFile1}" >/dev/null 2>/dev/null \
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&
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testPid="$!"
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sleep 1
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storedPid=$(cat "${workFile1}" 2>/dev/null)
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pidValid="0"
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kill -s 0 "${storedPid}" 2>/dev/null && pidValid="1"
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wait
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sleep 1
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if test -s "${workFile1}"; then
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echo "PID file was not removed on exit"
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exit 1
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fi
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true > "${workFile1}"
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if ! test "${testPid}" = "${storedPid}"; then
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echo "stored PID [${storedPid}] did not match actual PID [${testPid}]"
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exit 1
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fi
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if ! test "${pidValid}" = "1"; then
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echo "stored PID [${storedPid}] was not reachable"
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exit 1
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fi
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exit 0
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# EOF
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