11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions of source code must retain the above copyright 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions in binary form must reproduce the above copyright 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * the documentation and/or other materials provided with the 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * distribution. 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 28a7a87dda4ae2796c315519f506c8156c33c47e79Elliott Hughes 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _SYS_TIME_H_ 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _SYS_TIME_H_ 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <sys/cdefs.h> 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <sys/types.h> 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <linux/time.h> 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 36a7a87dda4ae2796c315519f506c8156c33c47e79Elliott Hughes/* POSIX says <sys/time.h> gets you most of <sys/select.h> and may get you all of it. */ 37a7a87dda4ae2796c315519f506c8156c33c47e79Elliott Hughes#include <sys/select.h> 38a7a87dda4ae2796c315519f506c8156c33c47e79Elliott Hughes 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 41ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughesint gettimeofday(struct timeval* __tv, struct timezone* __tz); 42ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughesint settimeofday(const struct timeval* __tv, const struct timezone* __tz); 431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 44ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughesint getitimer(int __which, struct itimerval* __current_value); 45ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughesint setitimer(int __which, const struct itimerval* __new_value, struct itimerval* __old_value); 461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 47ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughesint utimes(const char* __path, const struct timeval __times[2]); 48449eff02d2a44a2089ed3b6e3082cc416e5dd49eElliott Hughes 49449eff02d2a44a2089ed3b6e3082cc416e5dd49eElliott Hughes#if defined(__USE_BSD) 50ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughesint futimes(int __fd, const struct timeval __times[2]) __INTRODUCED_IN(26); 51ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughesint lutimes(const char* __path, const struct timeval __times[2]) __INTRODUCED_IN(26); 52449eff02d2a44a2089ed3b6e3082cc416e5dd49eElliott Hughes#endif 53449eff02d2a44a2089ed3b6e3082cc416e5dd49eElliott Hughes 54449eff02d2a44a2089ed3b6e3082cc416e5dd49eElliott Hughes#if defined(__USE_GNU) 55ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughesint futimesat(int __dir_fd, const char* __path, const struct timeval __times[2]) __INTRODUCED_IN(26); 56449eff02d2a44a2089ed3b6e3082cc416e5dd49eElliott Hughes#endif 571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define timerclear(a) \ 591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project ((a)->tv_sec = (a)->tv_usec = 0) 601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define timerisset(a) \ 621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project ((a)->tv_sec != 0 || (a)->tv_usec != 0) 631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define timercmp(a, b, op) \ 651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project ((a)->tv_sec == (b)->tv_sec \ 661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project ? (a)->tv_usec op (b)->tv_usec \ 671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project : (a)->tv_sec op (b)->tv_sec) 681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define timeradd(a, b, res) \ 701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project do { \ 711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (res)->tv_sec = (a)->tv_sec + (b)->tv_sec; \ 721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (res)->tv_usec = (a)->tv_usec + (b)->tv_usec; \ 731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if ((res)->tv_usec >= 1000000) { \ 741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (res)->tv_usec -= 1000000; \ 751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (res)->tv_sec += 1; \ 761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } \ 771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } while (0) 781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define timersub(a, b, res) \ 801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project do { \ 811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (res)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ 821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (res)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ 831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if ((res)->tv_usec < 0) { \ 841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (res)->tv_usec += 1000000; \ 851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (res)->tv_sec -= 1; \ 861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } \ 871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } while (0) 881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 890875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET#define TIMEVAL_TO_TIMESPEC(tv, ts) { \ 900875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET (ts)->tv_sec = (tv)->tv_sec; \ 910875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET (ts)->tv_nsec = (tv)->tv_usec * 1000; \ 920875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET} 930875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET#define TIMESPEC_TO_TIMEVAL(tv, ts) { \ 940875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET (tv)->tv_sec = (ts)->tv_sec; \ 950875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET (tv)->tv_usec = (ts)->tv_nsec / 1000; \ 960875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET} 970875ba3095782387370cba2e36ebc5df7acbcb7eBertrand SIMONNET 981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 100ff26a16c1de7be696719e9001f0707b7c55b52cfElliott Hughes#endif 101