1 files changed, 27 insertions, 0 deletions
diff --git a/src/libthread/test/tcontext.c b/src/libthread/test/tcontext.c
new file mode 100644
index 00000000..fa58e063
--- /dev/null
+++ b/src/libthread/test/tcontext.c
@@ -0,0 +1,27 @@
+#include "../threadimpl.h"
+#undef exits
+
+
+ucontext_t c0, c1;
+char stack[65536];
+
+void
+go(void *v)
+{
+	print("hello, world\n");
+	setcontext(&c0);
+}
+
+void
+main(void)
+{
+//	print("in main\n");
+	getcontext(&c1);
+	c1.uc_stack.ss_sp = stack;
+	c1.uc_stack.ss_size = sizeof stack;
+	makecontext(&c1, go, 1, 0);
+	if(getcontext(&c0) == 0)
+		setcontext(&c1);
+	print("back in main\n");
+	exits(0);
+}