Release 4.10 tools/testing/selftests/futex/include/logging.h

/******************************************************************************
 *
 *   Copyright © International Business Machines  Corp., 2009
 *
 *   This program is free software;  you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 * DESCRIPTION
 *      Glibc independent futex library for testing kernel functionality.
 *
 * AUTHOR
 *      Darren Hart <dvhart@linux.intel.com>
 *
 * HISTORY
 *      2009-Nov-6: Initial version by Darren Hart <dvhart@linux.intel.com>
 *
 *****************************************************************************/

#ifndef _LOGGING_H

#define _LOGGING_H

#include <string.h>
#include <unistd.h>
#include <linux/futex.h>
#include "kselftest.h"

/*
 * Define PASS, ERROR, and FAIL strings with and without color escape
 * sequences, default to no color.
 */

#define ESC 0x1B, '['

#define BRIGHT '1'

#define GREEN '3', '2'

#define YELLOW '3', '3'

#define RED '3', '1'

#define ESCEND 'm'

#define BRIGHT_GREEN ESC, BRIGHT, ';', GREEN, ESCEND

#define BRIGHT_YELLOW ESC, BRIGHT, ';', YELLOW, ESCEND

#define BRIGHT_RED ESC, BRIGHT, ';', RED, ESCEND

#define RESET_COLOR ESC, '0', 'm'

static const char PASS_COLOR[] = {BRIGHT_GREEN, ' ', 'P', 'A', 'S', 'S',
				  RESET_COLOR, 0};

static const char ERROR_COLOR[] = {BRIGHT_YELLOW, 'E', 'R', 'R', 'O', 'R',
				   RESET_COLOR, 0};

static const char FAIL_COLOR[] = {BRIGHT_RED, ' ', 'F', 'A', 'I', 'L',
				  RESET_COLOR, 0};

static const char INFO_NORMAL[] = " INFO";

static const char PASS_NORMAL[] = " PASS";

static const char ERROR_NORMAL[] = "ERROR";

static const char FAIL_NORMAL[] = " FAIL";

const char *INFO = INFO_NORMAL;

const char *PASS = PASS_NORMAL;

const char *ERROR = ERROR_NORMAL;

const char *FAIL = FAIL_NORMAL;

/* Verbosity setting for INFO messages */

#define VQUIET    0

#define VCRITICAL 1

#define VINFO     2

#define VMAX      VINFO

int _verbose = VCRITICAL;

/* Functional test return codes */

#define RET_PASS   0

#define RET_ERROR -1

#define RET_FAIL  -2

/**
 * log_color() - Use colored output for PASS, ERROR, and FAIL strings
 * @use_color:  use color (1) or not (0)
 */


void log_color(int use_color)
{
	if (use_color) {
		PASS = PASS_COLOR;
		ERROR = ERROR_COLOR;
		FAIL = FAIL_COLOR;
	} else {
		PASS = PASS_NORMAL;
		ERROR = ERROR_NORMAL;
		FAIL = FAIL_NORMAL;
	}
}

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/**
 * log_verbosity() - Set verbosity of test output
 * @verbose:    Enable (1) verbose output or not (0)
 *
 * Currently setting verbose=1 will enable INFO messages and 0 will disable
 * them. FAIL and ERROR messages are always displayed.
 */


void log_verbosity(int level)
{
	if (level > VMAX)
		level = VMAX;
	else if (level < 0)
		level = 0;
	_verbose = level;
}

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/**
 * print_result() - Print standard PASS | ERROR | FAIL results
 * @ret:        the return value to be considered: 0 | RET_ERROR | RET_FAIL
 *
 * print_result() is primarily intended for functional tests.
 */


void print_result(int ret)
{
	const char *result = "Unknown return code";

	switch (ret) {
	case RET_PASS:
		ksft_inc_pass_cnt();
		result = PASS;
		break;
	case RET_ERROR:
		result = ERROR;
		break;
	case RET_FAIL:
		ksft_inc_fail_cnt();
		result = FAIL;
		break;
	}
	printf("Result: %s\n", result);
}

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/* log level macros */

#define info(message, vargs...) \
do { \
        if (_verbose >= VINFO) \
                fprintf(stderr, "\t%s: "message, INFO, ##vargs); \
} while (0)


#define error(message, err, args...) \
do { \
        if (_verbose >= VCRITICAL) {\
                if (err) \
                        fprintf(stderr, "\t%s: %s: "message, \
                                ERROR, strerror(err), ##args); \
                else \
                        fprintf(stderr, "\t%s: "message, ERROR, ##args); \
        } \
} while (0)


#define fail(message, args...) \
do { \
        if (_verbose >= VCRITICAL) \
                fprintf(stderr, "\t%s: "message, FAIL, ##args); \
} while (0)

#endif
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Directory: tools/testing/selftests/futex/include

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