1 files changed, 70 insertions, 0 deletions
diff --git a/libsmutil/t-lockfile-0.sh b/libsmutil/t-lockfile-0.sh
new file mode 100755
index 000000000000..bc4ed311f410
--- /dev/null
+++ b/libsmutil/t-lockfile-0.sh
@@ -0,0 +1,70 @@
+#!/bin/sh
+# Copyright (c) 2021 Proofpoint, Inc. and its suppliers.
+#	All rights reserved.
+#
+# By using this file, you agree to the terms and conditions set
+# forth in the LICENSE file which can be found at the top level of
+# the sendmail distribution.
+#
+# ----------------------------------------
+# test t-lockfile, analyze result
+# ----------------------------------------
+
+fail()
+{
+  echo "$0: $@"
+  exit 1
+}
+
+PRG=./t-lockfile
+O=l.log
+
+analyze()
+{
+ # the "owner" unlock operation must be before
+ # the "client" lock operation can succeed
+ U=`grep -n 'owner=1, unlock.*done' $O | cut -d: -f1 | head -n1`
+ [ x"$U" = "x" ] && U=`grep -n '_close' $O | cut -d: -f1 | head -n1`
+ L=`grep -n 'owner=0, lock.* ok' $O | cut -d: -f1`
+ [ x"$U" = "x" ] && return 1
+ [ x"$L" = "x" ] && return 1
+ [ $U -lt $L ]
+}
+
+all=true
+while getopts 2a: FLAG
+do
+  case "${FLAG}" in
+    2) all=false;;
+    a) O=${OPTARG}
+       analyze || fail "$opts: unlock1=$U, lock2=$L"
+       exit;;
+  esac
+done
+shift `expr ${OPTIND} - 1`
+
+[ -x ${PRG} ] || fail "missing ${PRG}"
+
+if $all
+then
+for opts in "" "-r" "-n" "-nr"
+do
+  ${PRG} $opts > $O 2>&1 || fail "$opts: $?"
+  analyze || fail "$opts: unlock1=$U, lock2=$L"
+done
+fi
+
+# try with two processes
+for opts in "" "-r"
+do
+rm -f $O
+${PRG} -W >> $O 2>&1 || fail "-W: $?"
+wpid=$!
+${PRG} -R $opts >> $O 2>&1 || fail "-R $opts: $?"
+rpid=$!
+analyze || fail "$opts: unlock1=$U, lock2=$L"
+wait $wpid
+wait $rpid
+done
+
+exit 0