Redirect with the shell command, not in a separate 'exec'.
Without this patch, Fedora 15 x86-64 /bin/sh (i.e., Bash 4.2.10)
complained about running out of file descriptors in the shell.
print_ver_ sort
# Skip the test when running under valgrind.
-( ulimit -n 6; sort < /dev/null ) \
+( ulimit -n 6; sort 3<&- 4<&- 5<&- < /dev/null ) \
|| skip_ 'fd-limited sort failed; are you running under valgrind?'
for i in $(seq 31); do
(
ulimit -n 6
- exec 0</dev/null 3<&- 4<&- 5<&-
- sort -n -m __test.* > out
+ sort -n -m __test.* 3<&- 4<&- 5<&- < /dev/null > out
) &&
compare in out ||
{ fail=1; echo 'file descriptor exhaustion not handled' 1>&2; }
echo 32 | tee -a in > in1
(
ulimit -n 6
- exec 3<&- 4<&- 5<&-
- sort -n -m __test.* - < in1 > out
+ sort -n -m __test.* - 3<&- 4<&- 5<&- < in1 > out
) &&
compare in out || { fail=1; echo 'stdin not handled properly' 1>&2; }