30 lines
		
	
	
		
			611 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			611 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| #include <stddef.h>
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| #include <stdbool.h>
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| #include <linux/compiler.h>
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| #include <linux/lockdep.h>
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| #include <unistd.h>
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| #include <sys/syscall.h>
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| 
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| static __thread struct task_struct current_obj;
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| 
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| /* lockdep wants these */
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| bool debug_locks = true;
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| bool debug_locks_silent;
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| 
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| __attribute__((destructor)) static void liblockdep_exit(void)
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| {
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| 	debug_check_no_locks_held();
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| }
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| 
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| struct task_struct *__curr(void)
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| {
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| 	if (current_obj.pid == 0) {
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| 		/* Makes lockdep output pretty */
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| 		prctl(PR_GET_NAME, current_obj.comm);
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| 		current_obj.pid = syscall(__NR_gettid);
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| 	}
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| 
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| 	return ¤t_obj;
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| }
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