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https://github.com/torvalds/linux
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81d103bf80
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger <richard@nod.at>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1991, 1992 Linus Torvalds
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* Copyright (C) 1994 - 2000 Ralf Baechle
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* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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*/
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#ifndef __SIGNAL_COMMON_H
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#define __SIGNAL_COMMON_H
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/* #define DEBUG_SIG */
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#ifdef DEBUG_SIG
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# define DEBUGP(fmt, args...) printk("%s: " fmt, __func__, ##args)
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#else
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# define DEBUGP(fmt, args...)
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#endif
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/*
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* Determine which stack to use..
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*/
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extern void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs,
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size_t frame_size);
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/* Check and clear pending FPU exceptions in saved CSR */
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extern int fpcsr_pending(unsigned int __user *fpcsr);
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/* Make sure we will not lose FPU ownership */
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#ifdef CONFIG_PREEMPT
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#define lock_fpu_owner() preempt_disable()
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#define unlock_fpu_owner() preempt_enable()
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#else
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#define lock_fpu_owner() pagefault_disable()
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#define unlock_fpu_owner() pagefault_enable()
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#endif
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#endif /* __SIGNAL_COMMON_H */
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