[PATCH v2 1/6] [gdb/testsuite] Add gdb.testsuite/lock.exp

[Tom de Vries <tdevries@suse.de>]

I noticed there's no test-case for lock_file_{acquire,release}.

Add gdb.testsuite/lock.exp.
---
 gdb/testsuite/gdb.testsuite/lock.exp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 gdb/testsuite/gdb.testsuite/lock.exp

diff --git a/gdb/testsuite/gdb.testsuite/lock.exp b/gdb/testsuite/gdb.testsuite/lock.exp
new file mode 100644
index 00000000000..67ea09390ac
--- /dev/null
+++ b/gdb/testsuite/gdb.testsuite/lock.exp
@@ -0,0 +1,28 @@
+# Copyright 2026 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 <http://www.gnu.org/licenses/>.
+
+set lockfile [build_standard_output_file "lock.txt"]
+gdb_assert {![file exists $lockfile]} "Initial"
+
+# Scenario 1:
+# - acquire 1
+# - release 1
+with_test_prefix "simple" {
+    set res [lock_file_acquire $lockfile]
+    gdb_assert {[file exists $lockfile]} "Acquire lock"
+
+    lock_file_release $res
+    gdb_assert {![file exists $lockfile]} "Release lock"
+}

base-commit: 4ba6bd8393418b63dc3efa0ec6f934903a10f140
-- 
2.51.0