coreinit: Add OSSwitchFiber{Ex} functions.

include/coreinit/fiber.h

@@ -0,0 +1,35 @@
+#pragma once
+#include <wut.h>
+
+/**
+ * \defgroup coreinit_fiber Fiber
+ * \ingroup coreinit
+ *
+ * @{
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*OSFiberEntryFn)();
+typedef void (*OSFiberExEntryFn)(uint32_t arg1, uint32_t arg2,
+                                 uint32_t arg3, uint32_t arg4);
+
+int32_t
+OSSwitchFiber(OSFiberEntryFn entry,
+              void *stack);
+
+int32_t
+OSSwitchFiberEx(uint32_t arg1,
+                uint32_t arg2,
+                uint32_t arg3,
+                uint32_t arg4,
+                OSFiberExEntryFn entry,
+                void *stack);
+
+#ifdef __cplusplus
+}
+#endif
+
+/** @} */

tests/test_compile_headers_as_c/main.c

@@ -14,6 +14,7 @@
 #include <coreinit/exit.h>
 #include <coreinit/fastcondition.h>
 #include <coreinit/fastmutex.h>
+#include <coreinit/fiber.h>
 #include <coreinit/filesystem.h>
 #include <coreinit/foreground.h>
 #include <coreinit/internal.h>

tests/test_compile_headers_as_cpp/main.cpp

@@ -14,6 +14,7 @@
 #include <coreinit/exit.h>
 #include <coreinit/fastcondition.h>
 #include <coreinit/fastmutex.h>
+#include <coreinit/fiber.h>
 #include <coreinit/filesystem.h>
 #include <coreinit/foreground.h>
 #include <coreinit/internal.h>