1 files changed, 55 insertions, 0 deletions
diff --git a/src/cmd/tests/kernel/threads.c b/src/cmd/tests/kernel/threads.c
new file mode 100644
index 0000000..b3c1c06
--- /dev/null
+++ b/src/cmd/tests/kernel/threads.c
@@ -0,0 +1,55 @@
+#include "../tests.h"
+#include <camellia/flags.h>
+#include <camellia/syscalls.h>
+#include <string.h>
+#include <esemaphore.h>
+#include <thread.h>
+
+int global_n;
+static void basic_thread(void *sem) {
+	global_n = 10;
+	esem_signal(sem);
+}
+static void test_basic_thread(void) {
+	struct evil_sem *sem = esem_new(0);
+	global_n = 0;
+	thread_create(FORK_NOREAP, basic_thread, sem);
+	esem_wait(sem);
+	test(global_n == 10);
+}
+
+hid_t global_h;
+static void shared_handle(void *sem) {
+	hid_t ends[2];
+	test(_sys_pipe(ends, 0) >= 0);
+	global_h = ends[0];
+	esem_signal(sem);
+	_sys_write(ends[1], "Hello!", 7, -1, 0);
+}
+static void test_shared_handle(void) {
+	struct evil_sem *sem = esem_new(0);
+	char buf[16];
+	global_h = -1;
+	thread_create(FORK_NOREAP, shared_handle, sem);
+	esem_wait(sem);
+
+	test(global_h >= 0);
+	test(_sys_read(global_h, buf, sizeof buf, 0) == 7);
+	test(!strcmp("Hello!", buf));
+}
+
+static void many_thread(void *arg) {
+	*(uint64_t*)arg += 10;
+}
+static void test_many_threads(void) {
+	uint64_t n = 0;
+	for (int i = 0; i < 10; i++) thread_create(0, many_thread, &n);
+	for (int i = 0; i < 10; i++) _sys_await();
+	test(n == 100);
+}
+
+void r_k_threads(void) {
+	run_test(test_basic_thread);
+	run_test(test_shared_handle);
+	run_test(test_many_threads);
+}