[linux-2.6-block.git] / tools / perf / util / data.h

#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 */
Commit	Line	Data
f5fc1412 JO	1	#ifndef __PERF_DATA_H
	2	#define __PERF_DATA_H
	3
	4	#include <stdbool.h>
	5
	6	enum perf_data_mode {
	7	PERF_DATA_MODE_WRITE,
	8	PERF_DATA_MODE_READ,
	9	};
	10
	11	struct perf_data_file {
6f9a317f JO	12	const char *path;
	13	int fd;
	14	bool is_pipe;
	15	bool force;
	16	unsigned long size;
	17	enum perf_data_mode mode;
f5fc1412 JO	18	};
	19
	20	static inline bool perf_data_file__is_read(struct perf_data_file *file)
	21	{
	22	return file->mode == PERF_DATA_MODE_READ;
	23	}
	24
	25	static inline bool perf_data_file__is_write(struct perf_data_file *file)
	26	{
	27	return file->mode == PERF_DATA_MODE_WRITE;
	28	}
	29
cc9784bd JO	30	static inline int perf_data_file__is_pipe(struct perf_data_file *file)
	31	{
	32	return file->is_pipe;
	33	}
	34
	35	static inline int perf_data_file__fd(struct perf_data_file *file)
	36	{
	37	return file->fd;
	38	}
	39
	40	static inline unsigned long perf_data_file__size(struct perf_data_file *file)
	41	{
	42	return file->size;
	43	}
	44
6a4d98d7 JO	45	int perf_data_file__open(struct perf_data_file *file);
6a4d98d7 JO	46	void perf_data_file__close(struct perf_data_file *file);
6f9a317f JO	47	ssize_t perf_data_file__write(struct perf_data_file *file,
6f9a317f JO	48	void *buf, size_t size);
040f9915 WN	49	/*
	50	* If at_exit is set, only rename current perf.data to
	51	* perf.data.<postfix>, continue write on original file.
	52	* Set at_exit when flushing the last output.
	53	*
	54	* Return value is fd of new output.
	55	*/
	56	int perf_data_file__switch(struct perf_data_file *file,
	57	const char *postfix,
	58	size_t pos, bool at_exit);
f5fc1412	59	#endif /* __PERF_DATA_H */