09c2d08c
 Hu Chunming
arm交付版
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/*
* ***** BEGIN LICENSE BLOCK *****
* Version: MIT
*
* Portions created by Alan Antonuk are Copyright (c) 2012-2013
* Alan Antonuk. All Rights Reserved.
*
* Portions created by VMware are Copyright (c) 2007-2012 VMware, Inc.
* All Rights Reserved.
*
* Portions created by Tony Garnock-Jones are Copyright (c) 2009-2010
* VMware, Inc. and Tony Garnock-Jones. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
* ***** END LICENSE BLOCK *****
*/
#include <stdint.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
uint64_t now_microseconds(void) {
struct timeval tv;
gettimeofday(&tv, NULL);
return (uint64_t)tv.tv_sec * 1000000 + (uint64_t)tv.tv_usec;
}
void microsleep(int usec) {
struct timespec req;
req.tv_sec = 0;
req.tv_nsec = 1000 * usec;
nanosleep(&req, NULL);
}
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