21 lines
280 B
Plaintext
21 lines
280 B
Plaintext
# avoid ugly warnings about signals not being caught
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trap ":" USR1 USR2
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hush -c '
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trap "echo caught" USR2
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echo "sending USR2"
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kill -USR2 $$
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trap "" USR2
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echo "sending USR2"
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kill -USR2 $$
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trap "-" USR2
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echo "sending USR2"
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kill -USR2 $$
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echo "not reached"
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'
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trap "-" USR1 USR2
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