35 lines
941 B
Bash
Executable file
35 lines
941 B
Bash
Executable file
#!/bin/sh
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# Test select() on file descriptors opened for writing.
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tmpfiles=""
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trap 'rm -fr $tmpfiles' HUP INT QUIT TERM
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tmpfiles="$tmpfiles t-select-out.out t-select-out.tmp"
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# Regular files.
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rm -f t-select-out.tmp
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${CHECKER} ./test-select-fd${EXEEXT} w 1 t-select-out.tmp > t-select-out.out
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test `cat t-select-out.tmp` = "1" || exit 1
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# Pipes.
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if false; then # This test fails on some platforms.
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rm -f t-select-out.tmp
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( { echo abc; ${CHECKER} ./test-select-fd${EXEEXT} w 1 t-select-out.tmp; } | { sleep 1; cat; } ) > /dev/null
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test `cat t-select-out.tmp` = "0" || exit 1
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fi
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rm -f t-select-out.tmp
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( { sleep 1; echo abc; ${CHECKER} ./test-select-fd${EXEEXT} w 1 t-select-out.tmp; } | cat) > /dev/null
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test `cat t-select-out.tmp` = "1" || exit 1
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# Special files.
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rm -f t-select-out.tmp
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${CHECKER} ./test-select-fd${EXEEXT} w 1 t-select-out.tmp > /dev/null
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test `cat t-select-out.tmp` = "1" || exit 1
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rm -fr $tmpfiles
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exit 0
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