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