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-rw-r--r--gps/platform_lib_abstractions/elapsed_millis_since_boot.cpp46
1 files changed, 46 insertions, 0 deletions
diff --git a/gps/platform_lib_abstractions/elapsed_millis_since_boot.cpp b/gps/platform_lib_abstractions/elapsed_millis_since_boot.cpp
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+++ b/gps/platform_lib_abstractions/elapsed_millis_since_boot.cpp
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+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * 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.
+ */
+
+#include <stdlib.h>
+#include <sys/time.h>
+#include "platform_lib_time.h"
+
+int64_t systemTime(int clock)
+{
+ struct timeval t;
+ t.tv_sec = t.tv_usec = 0;
+ gettimeofday(&t, NULL);
+ return t.tv_sec*1000000LL + t.tv_usec;
+}
+
+
+int64_t elapsedMillisSinceBoot()
+{
+ int64_t t_us = systemTime(0);
+ return (int64_t) t_us / 1000LL;
+}