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-rwxr-xr-xshell/hush_test/hush-redir/redir_script.tests29
1 files changed, 29 insertions, 0 deletions
diff --git a/shell/hush_test/hush-redir/redir_script.tests b/shell/hush_test/hush-redir/redir_script.tests
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+++ b/shell/hush_test/hush-redir/redir_script.tests
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+# Builds a " 3>&- 4>&-" string.
+# Note: one of these fds is a directory opened to /proc/self/fd
+# for globbing. It is unwanted, but I don't know how to filter it out.
+find_fds() {
+ fds=""
+ for f in /proc/self/fd/*; do
+ test "$f" = "/proc/self/fd/0" && continue
+ test "$f" = "/proc/self/fd/1" && continue
+ test "$f" = "/proc/self/fd/2" && continue
+ fds="$fds ${f##*/}>&-"
+ done
+}
+
+find_fds
+fds1="$fds"
+
+# One of the fds is open to the script body
+# Close it while executing something.
+eval "find_fds $fds"
+
+# Shell should not lose that fd. Did it?
+find_fds
+test x"$fds1" = x"$fds" && { echo "Ok: script fd is not closed"; exit 0; }
+
+echo "Bug: script fd is closed"
+echo "fds1:$fds1"
+echo "fds2:$fds"
+exit 1
+