Release 4.9 tools/lib/lockdep/common.c

#include <stddef.h>
#include <stdbool.h>
#include <linux/compiler.h>
#include <linux/lockdep.h>
#include <unistd.h>
#include <sys/syscall.h>


static __thread struct task_struct current_obj;

/* lockdep wants these */

bool debug_locks = true;

bool debug_locks_silent;


__attribute__((destructor)) 


static void liblockdep_exit(void)
{
	debug_check_no_locks_held();
}

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struct task_struct *__curr(void)
{
	if (current_obj.pid == 0) {
		/* Makes lockdep output pretty */
		prctl(PR_GET_NAME, current_obj.comm);
		current_obj.pid = syscall(__NR_gettid);
	}

	return &current_obj;
}
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Directory: tools/lib/lockdep