From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/mips/kernel/signal-common.h | 41 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 arch/mips/kernel/signal-common.h (limited to 'arch/mips/kernel/signal-common.h') diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h new file mode 100644 index 00000000..10263b40 --- /dev/null +++ b/arch/mips/kernel/signal-common.h @@ -0,0 +1,41 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1991, 1992 Linus Torvalds + * Copyright (C) 1994 - 2000 Ralf Baechle + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + */ + +#ifndef __SIGNAL_COMMON_H +#define __SIGNAL_COMMON_H + +/* #define DEBUG_SIG */ + +#ifdef DEBUG_SIG +# define DEBUGP(fmt, args...) printk("%s: " fmt, __func__, ##args) +#else +# define DEBUGP(fmt, args...) +#endif + +#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) + +/* + * Determine which stack to use.. + */ +extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, + size_t frame_size); +/* Check and clear pending FPU exceptions in saved CSR */ +extern int fpcsr_pending(unsigned int __user *fpcsr); + +/* Make sure we will not lose FPU ownership */ +#ifdef CONFIG_PREEMPT +#define lock_fpu_owner() preempt_disable() +#define unlock_fpu_owner() preempt_enable() +#else +#define lock_fpu_owner() pagefault_disable() +#define unlock_fpu_owner() pagefault_enable() +#endif + +#endif /* __SIGNAL_COMMON_H */ -- cgit