1 files changed, 27 insertions, 0 deletions
diff --git a/src/runtime/testdata/testprogcgo/trace_unix.c b/src/runtime/testdata/testprogcgo/trace_unix.c
new file mode 100644
index 0000000..0fa55c7
--- /dev/null
+++ b/src/runtime/testdata/testprogcgo/trace_unix.c
@@ -0,0 +1,27 @@
+// 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 unix
+
+// The unix C definitions for trace.go. That file uses //export so
+// it can't put function definitions in the "C" import comment.
+
+#include <pthread.h>
+#include <assert.h>
+
+extern void goCalledFromC(void);
+extern void goCalledFromCThread(void);
+
+static void* cCalledFromCThread(void *p) {
+	goCalledFromCThread();
+	return NULL;
+}
+
+void cCalledFromGo(void) {
+	goCalledFromC();
+
+	pthread_t thread;
+	assert(pthread_create(&thread, NULL, cCalledFromCThread, NULL) == 0);
+	assert(pthread_join(thread, NULL) == 0);
+}