1 files changed, 33 insertions, 0 deletions
diff --git a/tests/install/trap.sh b/tests/install/trap.sh
new file mode 100755
index 0000000..aaabef3
--- /dev/null
+++ b/tests/install/trap.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+# Ensure that 'install -s' doesn't infloop when its parent
+# process traps CHLD signal.
+
+# Copyright (C) 2004-2020 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ ginstall
+require_trap_signame_
+
+
+# Use a subshell and an exec to work around a bug in FreeBSD 5.0 /bin/sh.
+(
+  trap '' CHLD
+
+  # Before 2004-04-21, install would infloop, in the 'while (wait...' loop:
+  exec ginstall -s "$abs_top_builddir/src/ginstall$EXEEXT" .
+)
+
+Exit $fail