1#!/bin/sh 2# Test select() on file descriptors opened for writing. 3 4tmpfiles="" 5trap 'rm -fr $tmpfiles' 1 2 3 15 6 7tmpfiles="$tmpfiles t-select-out.out t-select-out.tmp" 8 9# Regular files. 10 11rm -f t-select-out.tmp 12${CHECKER} ./test-select-fd${EXEEXT} w 1 t-select-out.tmp > t-select-out.out 13test `cat t-select-out.tmp` = "1" || exit 1 14 15# Pipes. 16 17if false; then # This test fails on some platforms. 18 rm -f t-select-out.tmp 19 ( { echo abc; ${CHECKER} ./test-select-fd${EXEEXT} w 1 t-select-out.tmp; } | { sleep 1; cat; } ) > /dev/null 20 test `cat t-select-out.tmp` = "0" || exit 1 21fi 22 23rm -f t-select-out.tmp 24( { sleep 1; echo abc; ${CHECKER} ./test-select-fd${EXEEXT} w 1 t-select-out.tmp; } | cat) > /dev/null 25test `cat t-select-out.tmp` = "1" || exit 1 26 27# Special files. 28 29rm -f t-select-out.tmp 30${CHECKER} ./test-select-fd${EXEEXT} w 1 t-select-out.tmp > /dev/null 31test `cat t-select-out.tmp` = "1" || exit 1 32 33rm -fr $tmpfiles 34 35exit 0 36