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| 1 | #ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_ | ||
| 2 | #define _LIBLOCKDEP_LINUX_STACKTRACE_H_ | ||
| 3 | |||
| 4 | #include <execinfo.h> | ||
| 5 | |||
| 6 | struct stack_trace { | ||
| 7 | unsigned int nr_entries, max_entries; | ||
| 8 | unsigned long *entries; | ||
| 9 | int skip; | ||
| 10 | }; | ||
| 11 | |||
| 12 | static inline void print_stack_trace(struct stack_trace *trace, int spaces) | ||
| 13 | { | ||
| 14 | backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1); | ||
| 15 | } | ||
| 16 | |||
| 17 | #define save_stack_trace(trace) \ | ||
| 18 | ((trace)->nr_entries = \ | ||
| 19 | backtrace((void **)(trace)->entries, (trace)->max_entries)) | ||
| 20 | |||
| 21 | static inline int dump_stack(void) | ||
| 22 | { | ||
| 23 | void *array[64]; | ||
| 24 | size_t size; | ||
| 25 | |||
| 26 | size = backtrace(array, 64); | ||
| 27 | backtrace_symbols_fd(array, size, 1); | ||
| 28 | |||
| 29 | return 0; | ||
| 30 | } | ||
| 31 | |||
| 32 | #endif | ||