[PATCH] fix semaphore handling in __unregister_chrdev_region
[linux/fpc-iii.git] / include / asm-sparc / current.h
blob8fe7c82a5e211f1bc177f1e7ba155aa205ff343f
1 /*
2 * include/asm-sparc/current.h
4 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
5 * Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com)
7 * Derived from "include/asm-s390/current.h" by
8 * Martin Schwidefsky (schwidefsky@de.ibm.com)
9 * Derived from "include/asm-i386/current.h"
11 #ifndef _ASM_CURRENT_H
12 #define _ASM_CURRENT_H
15 * At the sparc64 DaveM keeps current_thread_info in %g4.
16 * We might want to consider doing the same to shave a few cycles.
19 #include <linux/thread_info.h>
21 struct task_struct;
23 /* Two stage process (inline + #define) for type-checking. */
24 /* We also obfuscate get_current() to check if anyone used that by mistake. */
25 static inline struct task_struct *__get_current(void)
27 return current_thread_info()->task;
29 #define current __get_current()
31 #endif /* !(_ASM_CURRENT_H) */