#ifndef __PERF_DATA_H#define __PERF_DATA_H #include <stdbool.h> enum perf_data_mode {	PERF_DATA_MODE_WRITE,	PERF_DATA_MODE_READ,}; struct perf_data_file {	const char		*path;	int			 fd;	bool			 is_pipe;	bool			 force;	unsigned long		 size;	enum perf_data_mode	 mode;}; static inline bool perf_data_file__is_read(struct perf_data_file *file){	return file->mode == PERF_DATA_MODE_READ;} static inline bool perf_data_file__is_write(struct perf_data_file *file){	return file->mode == PERF_DATA_MODE_WRITE;} static inline int perf_data_file__is_pipe(struct perf_data_file *file){	return file->is_pipe;} static inline int perf_data_file__fd(struct perf_data_file *file){	return file->fd;} static inline unsigned long perf_data_file__size(struct perf_data_file *file){	return file->size;} int perf_data_file__open(struct perf_data_file *file);void perf_data_file__close(struct perf_data_file *file);ssize_t perf_data_file__write(struct perf_data_file *file,			      void *buf, size_t size);/* * If at_exit is set, only rename current perf.data to * perf.data.<postfix>, continue write on original file. * Set at_exit when flushing the last output. * * Return value is fd of new output. */int perf_data_file__switch(struct perf_data_file *file,			   const char *postfix,			   size_t pos, bool at_exit);#endif /* __PERF_DATA_H */