X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=tests%2Fregression%2Fabi0-conflict%2Ffake-ust.c;fp=tests%2Fregression%2Fabi0-conflict%2Ffake-ust.c;h=f47cdc255f94f5cadc0fa56e91a24ab07248b9da;hb=d2a010d1e67e246e8ab4a847b8bbbdbce2b4e2d7;hp=0000000000000000000000000000000000000000;hpb=6f78600e9600f413ebdf532e154d8946725d83fd;p=lttng-ust.git

diff --git a/tests/regression/abi0-conflict/fake-ust.c b/tests/regression/abi0-conflict/fake-ust.c
new file mode 100644
index 00000000..f47cdc25
--- /dev/null
+++ b/tests/regression/abi0-conflict/fake-ust.c
@@ -0,0 +1,37 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ * Copyright (C) 2021 Michael Jeanson <mjeanson@efficios.com>
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+
+#include "./fake-ust.h"
+
+void init_usterr(void)
+{
+	fprintf(stderr, "libfakeust0: init_usterr() called.\n");
+}
+
+/*
+ * The symbol used by liblttng-ust.so.1 to detect liblttng-ust.so.0 in a
+ * process.
+ */
+int ltt_probe_register(struct lttng_probe_desc *desc __attribute__((unused)))
+{
+	fprintf(stderr, "libfakeust0: ltt_probe_register() called.\n");
+	return 0;
+}
+
+/*
+ * This constructor calls the 'init_usterr' canary function which is provided
+ * by liblttng-ust.so.1.
+ */
+static
+void fake_ust_ctor(void)
+	__attribute__((constructor));
+static void fake_ust_ctor(void)
+{
+	init_usterr();
+}