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/*
* Copyright 2019-2021 OARC, Inc.
* Copyright 2017-2018 Akamai Technologies
* Copyright 2006-2016 Nominum, Inc.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include "log.h"
#include "util.h"
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
static bool log_err_stdout = false;
pthread_mutex_t log_lock = PTHREAD_MUTEX_INITIALIZER;
static void
vlog(FILE* stream, const char* prefix, const char* fmt, va_list args)
{
PERF_LOCK(&log_lock);
fflush(stdout);
if (prefix != NULL)
fprintf(stream, "%s: ", prefix);
vfprintf(stream, fmt, args);
fprintf(stream, "\n");
PERF_UNLOCK(&log_lock);
}
void perf_log_printf(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
vlog(stdout, NULL, fmt, args);
}
void perf_log_fatal(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
vlog(log_err_stdout ? stdout : stderr, "Error", fmt, args);
exit(1);
}
void perf_log_warning(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
vlog(log_err_stdout ? stdout : stderr, "Warning", fmt, args);
}
void perf_log_tostdout(void)
{
log_err_stdout = true;
}
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