1 files changed, 34 insertions, 0 deletions
diff --git a/src/runtime/testdata/testprogcgo/bindm.c b/src/runtime/testdata/testprogcgo/bindm.c
new file mode 100644
index 0000000..815d8a7
--- /dev/null
+++ b/src/runtime/testdata/testprogcgo/bindm.c
@@ -0,0 +1,34 @@
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build !plan9 && !windows
+
+#include <stdint.h>
+#include <pthread.h>
+#include <unistd.h>
+#include "_cgo_export.h"
+
+#define CTHREADS 2
+#define CHECKCALLS 100
+
+static void* checkBindMThread(void* thread) {
+	int i;
+	for (i = 0; i < CHECKCALLS; i++) {
+		GoCheckBindM((uintptr_t)thread);
+		usleep(1);
+	}
+	return NULL;
+}
+
+void CheckBindM() {
+	int i;
+	pthread_t s[CTHREADS];
+
+	for (i = 0; i < CTHREADS; i++) {
+		pthread_create(&s[i], NULL, checkBindMThread, &s[i]);
+	}
+	for (i = 0; i < CTHREADS; i++) {
+		pthread_join(s[i], NULL);
+	}
+}