2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1991, 1992 Linus Torvalds
7 * Copyright (C) 1994 - 2000 Ralf Baechle
8 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
11 #ifndef __SIGNAL_COMMON_H
12 #define __SIGNAL_COMMON_H
14 /* #define DEBUG_SIG */
17 # define DEBUGP(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
19 # define DEBUGP(fmt, args...)
22 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
25 * Determine which stack to use..
27 extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
30 * install trampoline code to get back from the sig handler
32 extern int install_sigtramp(unsigned int __user *tramp, unsigned int syscall);
34 /* Check and clear pending FPU exceptions in saved CSR */
35 extern int fpcsr_pending(unsigned int __user *fpcsr);
37 /* Make sure we will not lose FPU ownership */
39 #define lock_fpu_owner() preempt_disable()
40 #define unlock_fpu_owner() preempt_enable()
42 #define lock_fpu_owner() pagefault_disable()
43 #define unlock_fpu_owner() pagefault_enable()
46 #endif /* __SIGNAL_COMMON_H */