86 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  * 1. Redistributions of source code must retain the above copyright
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|  *    notice, this list of conditions and the following disclaimer.
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|  * 2. Redistributions in binary form must reproduce the above copyright
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|  *    notice, this list of conditions and the following disclaimer in the
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|  *    documentation and/or other materials provided with the distribution.
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|  * 3. The name of the author may not be used to endorse or promote products
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|  *    derived from this software without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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|  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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|  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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|  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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|  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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|  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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|  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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|  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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|  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #include "tests.h"
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| #include <asm/unistd.h>
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| 
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| #ifdef __NR_ustat
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| 
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| # include <stdio.h>
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| # include <sys/stat.h>
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| # include <sys/sysmacros.h>
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| # include <unistd.h>
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| # ifdef HAVE_USTAT_H
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| #  include <ustat.h>
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| # endif
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| 
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| int
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| main(void)
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| {
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| 	const kernel_ulong_t magic = (kernel_ulong_t) 0xfacefeedffffffff;
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| 	unsigned long long buf[4];
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| 	unsigned int dev;
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| 	long rc;
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| 
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| # ifdef HAVE_USTAT_H
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| 	TAIL_ALLOC_OBJECT_CONST_PTR(struct ustat, ust);
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| 	struct stat st;
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| 	if (stat(".", &st))
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| 		perror_msg_and_fail("stat");
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| 
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| 	dev = (unsigned int) st.st_dev;
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| 	rc = syscall(__NR_ustat, dev, ust);
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| 	if (rc)
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| 		printf("ustat(makedev(%u, %u), %p) = %s\n",
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| 		       major(dev), minor(dev), ust, sprintrc(rc));
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| 	else
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| 		printf("ustat(makedev(%u, %u)"
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| 		       ", {f_tfree=%llu, f_tinode=%llu}) = 0\n",
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| 		       major(dev), minor(dev),
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| 		       zero_extend_signed_to_ull(ust->f_tfree),
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| 		       zero_extend_signed_to_ull(ust->f_tinode));
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| # endif /* HAVE_USTAT_H */
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| 
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| 	dev = (unsigned int) magic;
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| 	rc = syscall(__NR_ustat, magic, 0);
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| 	printf("ustat(makedev(%u, %u), NULL) = %s\n",
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| 	       major(dev), minor(dev), sprintrc(rc));
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| 
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| 	rc = syscall(__NR_ustat, magic, buf);
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| 	printf("ustat(makedev(%u, %u), %p) = %s\n",
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| 	       major(dev), minor(dev), buf, sprintrc(rc));
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| 
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| 	puts("+++ exited with 0 +++");
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| 	return 0;
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| }
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| 
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| #else
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| 
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| SKIP_MAIN_UNDEFINED("__NR_ustat")
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| 
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| #endif
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