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https://git.kernel.org/pub/scm/bluetooth/bluez.git
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57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2015 Intel Corporation. All rights reserved.
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "peripheral/log.h"
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static int kmsg_fd = -1;
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void log_open(void)
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{
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if (kmsg_fd >= 0)
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return;
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kmsg_fd = open("/dev/kmsg", O_WRONLY | O_NOCTTY | O_CLOEXEC);
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if (kmsg_fd < 0) {
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fprintf(stderr, "Failed to open kernel logging: %m\n");
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return;
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}
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}
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void log_close(void)
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{
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if (kmsg_fd < 0)
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return;
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close(kmsg_fd);
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kmsg_fd = -1;
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}
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