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2026-08-24 10:03:24 +08:00

88 lines
2.7 KiB
C

/*
* Copyright (C) 2014-2025 Amlogic, Inc. All rights reserved.
*
* All information contained herein is Amlogic confidential.
*
* This software is provided to you pursuant to Software License Agreement
* (SLA) with Amlogic Inc ("Amlogic"). This software may be used
* only in accordance with the terms of this agreement.
*
* Redistribution and use in source and binary forms, with or without
* modification is strictly prohibited without prior written permission from
* Amlogic.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "AMLOGIC_UTIL"
#include "AmlogicUtil.h"
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "SubtitleLog.h"
pthread_mutex_t am_gAdpLock = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t am_gHwDmxLock = PTHREAD_MUTEX_INITIALIZER;
static pthread_once_t once = PTHREAD_ONCE_INIT;
static void sig_handler(int signo) {
pthread_t tid = pthread_self();
SUBTITLE_LOGI("signal handler, tid %ld, signo %d", tid, signo);
}
static void register_sig_handler() {
struct sigaction action = {0};
action.sa_flags = 0;
action.sa_handler = sig_handler;
sigaction(SIGALRM, &action, NULL);
}
void AmlogicSigHandlerInit() {
pthread_once(&once, register_sig_handler);
}
/** Read a string from a file
* name file name
* buf buffer to store strings
* len buffer size
* - AM_SUCCESS Success
* - other values Error code
*/
int AmlogicFileRead(const char *name, char *buf, int len) {
int fd = open(name, O_RDONLY);
int c = 0;
if (fd >= 0) {
c = read(fd, buf, len);
if (c > 0) {
// SUBTITLE_LOGI("read success val:%s", buf);
} else {
SUBTITLE_LOGI("read failed!file %s, err: %m", name);
}
close(fd);
} else {
SUBTITLE_LOGI("unable to open file %s, err: %m", name);
}
return c > 0 ? AM_SUCCESS : AM_FAILURE;
}