From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- ANDROID_3.4.5/include/asm-generic/switch_to.h | 30 +++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 ANDROID_3.4.5/include/asm-generic/switch_to.h (limited to 'ANDROID_3.4.5/include/asm-generic/switch_to.h') diff --git a/ANDROID_3.4.5/include/asm-generic/switch_to.h b/ANDROID_3.4.5/include/asm-generic/switch_to.h new file mode 100644 index 00000000..052c4ac0 --- /dev/null +++ b/ANDROID_3.4.5/include/asm-generic/switch_to.h @@ -0,0 +1,30 @@ +/* Generic task switch macro wrapper, based on MN10300 definitions. + * + * It should be possible to use these on really simple architectures, + * but it serves more as a starting point for new ports. + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef __ASM_GENERIC_SWITCH_TO_H +#define __ASM_GENERIC_SWITCH_TO_H + +#include + +/* + * Context switching is now performed out-of-line in switch_to.S + */ +extern struct task_struct *__switch_to(struct task_struct *, + struct task_struct *); + +#define switch_to(prev, next, last) \ + do { \ + ((last) = __switch_to((prev), (next))); \ + } while (0) + +#endif /* __ASM_GENERIC_SWITCH_TO_H */ -- cgit