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