// SPDX-License-Identifier: GPL-2.0 | |
#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(); | |
} | |
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 ¤t_obj; | |
} |