46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <cutils/uevent.h>
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#include <stdio.h>
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#define UEVENT_MSG_LEN 1024
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int main(int argc, char *argv[])
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{
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int device_fd;
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char msg[UEVENT_MSG_LEN+2];
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int n;
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int i;
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device_fd = uevent_open_socket(64*1024, true);
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if(device_fd < 0)
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return -1;
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while ((n = uevent_kernel_multicast_recv(device_fd, msg, UEVENT_MSG_LEN)) > 0) {
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msg[n] = '\0';
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msg[n+1] = '\0';
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for (i = 0; i < n; i++)
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if (msg[i] == '\0')
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msg[i] = ' ';
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printf("%s\n", msg);
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}
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return 0;
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}
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