darwin 386 start

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);
+}

src/libthread/test/thello.c

@@ -0,0 +1,10 @@
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+
+void
+threadmain(int argc, char **argv)
+{
+	print("hello, world\n");
+}
+