44 lines
833 B
C
44 lines
833 B
C
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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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int main(int argc, char ** argv) {
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int i = fork();
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struct stat ft;
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time_t ct;
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if (i < 0) {
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printf("fork error");
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return 1;
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}
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if (i > 0)
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return 0;
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/* child (daemon) continues */
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int j;
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for (j = 0; j < getdtablesize(); j++)
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close(j);
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setsid(); /* obtain a new process group */
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while (1) {
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sleep(120);
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stat("/sdcard/host_heartbeat", &ft);
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time(&ct);
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if (ct - ft.st_mtime > 120) {
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/* File was not touched for some time. */
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system("su -c reboot");
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}
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}
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return 0;
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}
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