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74 lines
2.5 KiB
74 lines
2.5 KiB
/* |
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* Copyright (C) 2013 The Android Open Source Project |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#ifndef _BIONIC_TIME_CONVERSIONS_H |
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#define _BIONIC_TIME_CONVERSIONS_H |
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#include <errno.h> |
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#include <time.h> |
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#include <sys/cdefs.h> |
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#include "private/bionic_constants.h" |
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__BEGIN_DECLS |
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__LIBC_HIDDEN__ bool timespec_from_timeval(timespec& ts, const timeval& tv); |
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__LIBC_HIDDEN__ void timespec_from_ms(timespec& ts, const int ms); |
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__LIBC_HIDDEN__ void timeval_from_timespec(timeval& tv, const timespec& ts); |
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__END_DECLS |
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static inline int check_timespec(const timespec* ts, bool null_allowed) { |
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if (null_allowed && ts == nullptr) { |
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return 0; |
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} |
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// glibc just segfaults if you pass a null timespec. |
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// That seems a lot more likely to catch bad code than returning EINVAL. |
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if (ts->tv_nsec < 0 || ts->tv_nsec >= NS_PER_S) { |
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return EINVAL; |
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} |
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if (ts->tv_sec < 0) { |
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return ETIMEDOUT; |
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} |
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return 0; |
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} |
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#if !defined(__LP64__) |
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static inline void absolute_timespec_from_timespec(timespec& abs_ts, const timespec& ts, clockid_t clock) { |
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clock_gettime(clock, &abs_ts); |
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abs_ts.tv_sec += ts.tv_sec; |
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abs_ts.tv_nsec += ts.tv_nsec; |
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if (abs_ts.tv_nsec >= NS_PER_S) { |
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abs_ts.tv_nsec -= NS_PER_S; |
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abs_ts.tv_sec++; |
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} |
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} |
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#endif |
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#endif
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