Internal log and error handling for NNStreamer plugins and core codes. More...

#include <execinfo.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <glib.h>
#include "nnstreamer_log.h"

Include dependency graph for nnstreamer_log.c:

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Macros
#define	_NNSTREAMER_ERROR_LENGTH (4096U)

Functions
char *	_backtrace_to_string (void)
	stack trace as a string for error messages More...

	G_LOCK_DEFINE_STATIC (errlock)

const char *	_nnstreamer_error (void)
	return the last internal error string and clean it. More...

	__attribute__ ((__format__(__printf__, 1, 2)))
	overwrites the error message buffer with the new message. More...

void	_nnstreamer_error_clean (void)
	cleans up the error message buffer. More...

Variables
static char	errmsg [_NNSTREAMER_ERROR_LENGTH] = { 0 }

static int	errmsg_reported = 0

Detailed Description

Internal log and error handling for NNStreamer plugins and core codes.

Date: 31 Mar 2022

See also: http://github.com/nnstreamer/nnstreamer

Author: MyungJoo Ham myung.nosp@m.joo..nosp@m.ham@s.nosp@m.amsu.nosp@m.ng.co.nosp@m.m

Bug:: No known bugs except for NYI items

Definition in file nnstreamer_log.c.

Macro Definition Documentation

◆ _NNSTREAMER_ERROR_LENGTH

#define _NNSTREAMER_ERROR_LENGTH (4096U)

Definition at line 70 of file nnstreamer_log.c.

Function Documentation

◆ attribute()

__attribute__ ( (__format__(__printf__, 1, 2)) )

overwrites the error message buffer with the new message.

The attribute is for clang workaround in macos: https://stackoverflow.com/questions/20167124/vsprintf-and-vsnprintf-wformat-nonliteral-warning-on-clang-5-0

Definition at line 97 of file nnstreamer_log.c.

◆ _backtrace_to_string()

char* _backtrace_to_string ( void )

stack trace as a string for error messages

Returns: a string of stacktrace result. caller should free it.

Todo:: The .c file location of this function might be not appropriate.

Definition at line 35 of file nnstreamer_log.c.

◆ _nnstreamer_error()

const char* _nnstreamer_error ( void )

return the last internal error string and clean it.

Returns: a string of error. Do not free the returned string.

Definition at line 81 of file nnstreamer_log.c.

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◆ _nnstreamer_error_clean()

void _nnstreamer_error_clean ( void )

cleans up the error message buffer.

Definition at line 120 of file nnstreamer_log.c.

◆ G_LOCK_DEFINE_STATIC()

G_LOCK_DEFINE_STATIC ( errlock )

Variable Documentation

◆ errmsg

char errmsg[_NNSTREAMER_ERROR_LENGTH] = { 0 }

static

Definition at line 71 of file nnstreamer_log.c.

◆ errmsg_reported

int errmsg_reported = 0