| 1 | /*- |
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| 2 | * Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org> |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * |
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| 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 24 | * SUCH DAMAGE. |
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| 25 | * |
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| 26 | * $FreeBSD$ |
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| 27 | */ |
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| 28 | |
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| 29 | #ifndef _SYS__TIMEVAL_H_ |
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| 30 | #define _SYS__TIMEVAL_H_ |
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| 31 | |
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| 32 | #include <sys/_types.h> |
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| 33 | |
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| 34 | #ifndef _SUSECONDS_T_DECLARED |
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| 35 | typedef __suseconds_t suseconds_t; |
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| 36 | #define _SUSECONDS_T_DECLARED |
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| 37 | #endif |
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| 38 | |
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| 39 | #if !defined(__time_t_defined) && !defined(_TIME_T_DECLARED) |
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| 40 | typedef _TIME_T_ time_t; |
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| 41 | #define __time_t_defined |
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| 42 | #define _TIME_T_DECLARED |
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| 43 | #endif |
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| 44 | |
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| 45 | /* This define is also used outside of Newlib, e.g. in MinGW-w64 */ |
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| 46 | #ifndef _TIMEVAL_DEFINED |
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| 47 | #define _TIMEVAL_DEFINED |
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| 48 | |
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| 49 | /* |
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| 50 | * Structure returned by gettimeofday(2) system call, and used in other calls. |
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| 51 | */ |
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| 52 | struct timeval { |
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| 53 | time_t tv_sec; /* seconds */ |
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| 54 | suseconds_t tv_usec; /* and microseconds */ |
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| 55 | }; |
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| 56 | |
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| 57 | #if __BSD_VISIBLE |
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| 58 | #ifndef _KERNEL /* NetBSD/OpenBSD compatible interfaces */ |
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| 59 | |
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| 60 | #define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) |
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| 61 | #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) |
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| 62 | #define timercmp(tvp, uvp, cmp) \ |
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| 63 | (((tvp)->tv_sec == (uvp)->tv_sec) ? \ |
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| 64 | ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ |
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| 65 | ((tvp)->tv_sec cmp (uvp)->tv_sec)) |
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| 66 | #define timeradd(tvp, uvp, vvp) \ |
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| 67 | do { \ |
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| 68 | (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ |
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| 69 | (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ |
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| 70 | if ((vvp)->tv_usec >= 1000000) { \ |
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| 71 | (vvp)->tv_sec++; \ |
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| 72 | (vvp)->tv_usec -= 1000000; \ |
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| 73 | } \ |
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| 74 | } while (0) |
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| 75 | #define timersub(tvp, uvp, vvp) \ |
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| 76 | do { \ |
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| 77 | (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ |
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| 78 | (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ |
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| 79 | if ((vvp)->tv_usec < 0) { \ |
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| 80 | (vvp)->tv_sec--; \ |
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| 81 | (vvp)->tv_usec += 1000000; \ |
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| 82 | } \ |
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| 83 | } while (0) |
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| 84 | #endif |
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| 85 | #endif /* __BSD_VISIBLE */ |
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| 86 | |
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| 87 | #endif /* _TIMEVAL_DEFINED */ |
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| 88 | |
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| 89 | #endif /* !_SYS__TIMEVAL_H_ */ |
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