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	The generic implementation basically handle the system agnostic logic (filtering out the invalid signals) while the __libc_sigaction is the function with implements the system and architecture bits. Checked on x86_64-linux-gnu and i686-linux-gnu.
		
			
				
	
	
		
			32 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* ARC specific sigaction.
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|    Copyright (C) 2020-2021 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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| 
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|    The GNU C Library is free software; you can redistribute it and/or
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|    modify it under the terms of the GNU Lesser General Public
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|    License as published by the Free Software Foundation; either
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|    version 2.1 of the License, or (at your option) any later version.
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| 
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|    The GNU C Library is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|    Lesser General Public License for more details.
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| 
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|    You should have received a copy of the GNU Lesser General Public
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|    License along with the GNU C Library.  If not, see
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|    <https://www.gnu.org/licenses/>.  */
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| 
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| #define SA_RESTORER	0x04000000
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| 
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| extern void __default_rt_sa_restorer (void);
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| 
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| #define SET_SA_RESTORER(kact, act)				\
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|  ({								\
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|    (kact)->sa_restorer = __default_rt_sa_restorer;		\
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|    (kact)->sa_flags |= SA_RESTORER;				\
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|  })
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| 
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| #define RESET_SA_RESTORER(act, kact)
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| 
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| #include <sysdeps/unix/sysv/linux/libc_sigaction.c>
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