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			60 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* time -- Get number of seconds since Epoch.  Linux/x86 version.
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|    Copyright (C) 2015-2019 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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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #include <time.h>
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| 
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| #ifdef SHARED
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| 
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| #include <dl-vdso.h>
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| #include <errno.h>
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| 
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| static time_t
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| __time_syscall (time_t *t)
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| {
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|   INTERNAL_SYSCALL_DECL (err);
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|   return INTERNAL_SYSCALL (time, err, 1, t);
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| }
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| 
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| # ifndef time_type
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| /* The i386 time.c includes this file with a defined time_type macro.
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|    For x86_64 we have to define it to time as the internal symbol is the
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|    ifunc'ed one.  */
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| #  define time_type time
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| # endif
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| 
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| #undef INIT_ARCH
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| #define INIT_ARCH() PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);
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| /* If the vDSO is not available we fall back on the syscall.  */
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| libc_ifunc_hidden (time_type, time,
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| 		   (_dl_vdso_vsym ("__vdso_time", &linux26)
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| 		    ?:  &__time_syscall))
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| libc_hidden_def (time)
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| 
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| #else
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| 
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| # include <sysdep.h>
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| 
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| time_t
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| time (time_t *t)
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| {
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|   INTERNAL_SYSCALL_DECL (err);
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|   return INTERNAL_SYSCALL (time, err, 1, t);
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| }
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| 
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| #endif
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