vdr-plugin-softhddevice/misc.h

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///
/// @file misc.h @brief Misc function header file
///
/// Copyright (c) 2009 - 2012 by Lutz Sammer. All Rights Reserved.
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///
/// Contributor(s):
/// Copied from uwm.
///
/// License: AGPLv3
///
/// This program is free software: you can redistribute it and/or modify
/// it under the terms of the GNU Affero General Public License as
/// published by the Free Software Foundation, either version 3 of the
/// License.
///
/// This program is distributed in the hope that it will be useful,
/// but WITHOUT ANY WARRANTY; without even the implied warranty of
/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/// GNU Affero General Public License for more details.
///
/// $Id$
//////////////////////////////////////////////////////////////////////////////
/// @addtogroup misc
/// @{
#include <syslog.h>
#include <stdarg.h>
#include <time.h> // clock_gettime
//////////////////////////////////////////////////////////////////////////////
// Defines
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// Declares
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// Variables
//////////////////////////////////////////////////////////////////////////////
extern int SysLogLevel; ///< how much information wanted
//////////////////////////////////////////////////////////////////////////////
// Prototypes
//////////////////////////////////////////////////////////////////////////////
static inline void Syslog(const int, const char *format, ...)
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__attribute__ ((format(printf, 2, 3)));
//////////////////////////////////////////////////////////////////////////////
// Inlines
//////////////////////////////////////////////////////////////////////////////
#ifdef DEBUG
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#define DebugLevel 4 /// private debug level
#else
#define DebugLevel 0 /// private debug level
#endif
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/**
** Syslog output function.
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**
** - 0 fatal errors and errors
** - 1 warnings
** - 2 info
** - 3 important debug and fixme's
*/
static inline void Syslog(const int level, const char *format, ...)
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{
if (SysLogLevel > level || DebugLevel > level) {
va_list ap;
va_start(ap, format);
vsyslog(LOG_ERR, format, ap);
va_end(ap);
}
}
/**
** Show error.
*/
#define Error(fmt...) Syslog(0, fmt)
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/**
** Show fatal error.
*/
#define Fatal(fmt...) do { Error(fmt); exit(-1); } while (0)
/**
** Show warning.
*/
#define Warning(fmt...) Syslog(1, fmt)
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/**
** Show info.
*/
#define Info(fmt...) Syslog(2, fmt)
/**
** Show debug.
*/
#ifdef DEBUG
#define Debug(level, fmt...) Syslog(level, fmt)
#else
#define Debug(level, fmt...) /* disabled */
#endif
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/**
** Get ticks in ms.
**
** @returns ticks in ms,
*/
static inline uint32_t GetMsTicks(void)
{
#ifdef CLOCK_MONOTONIC
struct timespec tspec;
clock_gettime(CLOCK_MONOTONIC, &tspec);
return (tspec.tv_sec * 1000) + (tspec.tv_nsec / (1000 * 1000));
#else
struct timeval tval;
if (gettimeofday(&tval, NULL) < 0) {
return 0;
}
return (tval.tv_sec * 1000) + (tval.tv_usec / 1000);
#endif
}
/// @}