diff options
Diffstat (limited to 'gps/platform_lib_abstractions/elapsed_millis_since_boot.cpp')
-rw-r--r-- | gps/platform_lib_abstractions/elapsed_millis_since_boot.cpp | 46 |
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 new file mode 100644 index 0000000..e8cb93a --- /dev/null +++ b/gps/platform_lib_abstractions/elapsed_millis_since_boot.cpp @@ -0,0 +1,46 @@ +/* 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; +} |