1 files changed, 62 insertions, 0 deletions
diff --git a/tests/libgit2/pack/threadsafety.c b/tests/libgit2/pack/threadsafety.c
new file mode 100644
index 000000000..fd6a61fbd
--- /dev/null
+++ b/tests/libgit2/pack/threadsafety.c
@@ -0,0 +1,62 @@
+#include "clar_libgit2.h"
+#include "pool.h"
+
+#include <git2.h>
+#include "git2/sys/commit.h"
+#include "git2/sys/mempack.h"
+
+static size_t original_mwindow_file_limit = 0;
+
+void test_pack_threadsafety__initialize(void)
+{
+	size_t open_mwindow_files = 1;
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_GET_MWINDOW_FILE_LIMIT, &original_mwindow_file_limit));
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_MWINDOW_FILE_LIMIT, open_mwindow_files));
+}
+
+void test_pack_threadsafety__cleanup(void)
+{
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_MWINDOW_FILE_LIMIT, original_mwindow_file_limit));
+}
+
+#ifdef GIT_THREADS
+static void *get_status(void *arg)
+{
+	const char *repo_path = (const char *)arg;
+	git_repository *repo;
+	git_status_list *status;
+
+	cl_git_pass(git_repository_open(&repo, repo_path));
+	cl_git_pass(git_status_list_new(&status, repo, NULL));
+	git_status_list_free(status);
+	git_repository_free(repo);
+
+	return NULL;
+}
+#endif
+
+void test_pack_threadsafety__open_repo_in_multiple_threads(void)
+{
+#ifdef GIT_THREADS
+	const char *repo_path = cl_fixture("../..");
+	git_repository *repo;
+	git_thread threads[8];
+	size_t i;
+
+	/* If we can't open the libgit2 repo or if it isn't a full repo
+	 * with proper history, just skip this test */
+	if (git_repository_open(&repo, repo_path) < 0)
+		cl_skip();
+	if (git_repository_is_shallow(repo))
+		cl_skip();
+	git_repository_free(repo);
+
+	for (i = 0; i < ARRAY_SIZE(threads); i++)
+		git_thread_create(&threads[i], get_status, (void *)repo_path);
+	for (i = 0; i < ARRAY_SIZE(threads); i++)
+		git_thread_join(&threads[i], NULL);
+#else
+	cl_skip();
+#endif
+}