#ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_#define _LIBLOCKDEP_LINUX_STACKTRACE_H_ #include <execinfo.h> struct stack_trace {	unsigned int nr_entries, max_entries;	unsigned long *entries;	int skip;}; static inline void print_stack_trace(struct stack_trace *trace, int spaces){	backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1);} #define save_stack_trace(trace)	\	((trace)->nr_entries =	\		backtrace((void **)(trace)->entries, (trace)->max_entries)) static inline int dump_stack(void){	void *array[64];	size_t size; 	size = backtrace(array, 64);	backtrace_symbols_fd(array, size, 1); 	return 0;} #endif