diff options
author | neksard <[email protected]> | 2022-02-10 16:45:33 +0300 |
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committer | Daniil Cherednik <[email protected]> | 2022-02-10 16:45:33 +0300 |
commit | 1d9c550e7c38e051d7961f576013a482003a70d9 (patch) | |
tree | b2cc84ee7850122e7ccf51d0ea21e4fa7e7a5685 /contrib/libs/c-ares/ares__timeval.c | |
parent | 8f7cf138264e0caa318144bf8a2c950e0b0a8593 (diff) |
Restoring authorship annotation for <[email protected]>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/c-ares/ares__timeval.c')
-rw-r--r-- | contrib/libs/c-ares/ares__timeval.c | 220 |
1 files changed, 110 insertions, 110 deletions
diff --git a/contrib/libs/c-ares/ares__timeval.c b/contrib/libs/c-ares/ares__timeval.c index 4d889ee7dfc..94efb7db1e9 100644 --- a/contrib/libs/c-ares/ares__timeval.c +++ b/contrib/libs/c-ares/ares__timeval.c @@ -1,111 +1,111 @@ - -/* Copyright (C) 2008 by Daniel Stenberg et al - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, provided - * that the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of M.I.T. not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. M.I.T. makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - */ - -#include "ares_setup.h" -#include "ares.h" -#include "ares_private.h" - -#if defined(WIN32) && !defined(MSDOS) - -struct timeval ares__tvnow(void) -{ - /* - ** GetTickCount() is available on _all_ Windows versions from W95 up - ** to nowadays. Returns milliseconds elapsed since last system boot, - ** increases monotonically and wraps once 49.7 days have elapsed. - */ - struct timeval now; - DWORD milliseconds = GetTickCount(); - now.tv_sec = milliseconds / 1000; - now.tv_usec = (milliseconds % 1000) * 1000; - return now; -} - -#elif defined(HAVE_CLOCK_GETTIME_MONOTONIC) - -struct timeval ares__tvnow(void) -{ - /* - ** clock_gettime() is granted to be increased monotonically when the - ** monotonic clock is queried. Time starting point is unspecified, it - ** could be the system start-up time, the Epoch, or something else, - ** in any case the time starting point does not change once that the - ** system has started up. - */ - struct timeval now; - struct timespec tsnow; - if(0 == clock_gettime(CLOCK_MONOTONIC, &tsnow)) { - now.tv_sec = tsnow.tv_sec; - now.tv_usec = tsnow.tv_nsec / 1000; - } - /* - ** Even when the configure process has truly detected monotonic clock - ** availability, it might happen that it is not actually available at - ** run-time. When this occurs simply fallback to other time source. - */ -#ifdef HAVE_GETTIMEOFDAY - else + +/* Copyright (C) 2008 by Daniel Stenberg et al + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, provided + * that the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of M.I.T. not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. M.I.T. makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + */ + +#include "ares_setup.h" +#include "ares.h" +#include "ares_private.h" + +#if defined(WIN32) && !defined(MSDOS) + +struct timeval ares__tvnow(void) +{ + /* + ** GetTickCount() is available on _all_ Windows versions from W95 up + ** to nowadays. Returns milliseconds elapsed since last system boot, + ** increases monotonically and wraps once 49.7 days have elapsed. + */ + struct timeval now; + DWORD milliseconds = GetTickCount(); + now.tv_sec = milliseconds / 1000; + now.tv_usec = (milliseconds % 1000) * 1000; + return now; +} + +#elif defined(HAVE_CLOCK_GETTIME_MONOTONIC) + +struct timeval ares__tvnow(void) +{ + /* + ** clock_gettime() is granted to be increased monotonically when the + ** monotonic clock is queried. Time starting point is unspecified, it + ** could be the system start-up time, the Epoch, or something else, + ** in any case the time starting point does not change once that the + ** system has started up. + */ + struct timeval now; + struct timespec tsnow; + if(0 == clock_gettime(CLOCK_MONOTONIC, &tsnow)) { + now.tv_sec = tsnow.tv_sec; + now.tv_usec = tsnow.tv_nsec / 1000; + } + /* + ** Even when the configure process has truly detected monotonic clock + ** availability, it might happen that it is not actually available at + ** run-time. When this occurs simply fallback to other time source. + */ +#ifdef HAVE_GETTIMEOFDAY + else (void)gettimeofday(&now, NULL); /* LCOV_EXCL_LINE */ -#else - else { - now.tv_sec = (long)time(NULL); - now.tv_usec = 0; - } -#endif - return now; -} - -#elif defined(HAVE_GETTIMEOFDAY) - -struct timeval ares__tvnow(void) -{ - /* - ** gettimeofday() is not granted to be increased monotonically, due to - ** clock drifting and external source time synchronization it can jump - ** forward or backward in time. - */ - struct timeval now; - (void)gettimeofday(&now, NULL); - return now; -} - -#else - -struct timeval ares__tvnow(void) -{ - /* - ** time() returns the value of time in seconds since the Epoch. - */ - struct timeval now; - now.tv_sec = (long)time(NULL); - now.tv_usec = 0; - return now; -} - -#endif - -#if 0 /* Not used */ -/* - * Make sure that the first argument is the more recent time, as otherwise - * we'll get a weird negative time-diff back... - * - * Returns: the time difference in number of milliseconds. - */ -long ares__tvdiff(struct timeval newer, struct timeval older) -{ - return (newer.tv_sec-older.tv_sec)*1000+ - (newer.tv_usec-older.tv_usec)/1000; -} -#endif - +#else + else { + now.tv_sec = (long)time(NULL); + now.tv_usec = 0; + } +#endif + return now; +} + +#elif defined(HAVE_GETTIMEOFDAY) + +struct timeval ares__tvnow(void) +{ + /* + ** gettimeofday() is not granted to be increased monotonically, due to + ** clock drifting and external source time synchronization it can jump + ** forward or backward in time. + */ + struct timeval now; + (void)gettimeofday(&now, NULL); + return now; +} + +#else + +struct timeval ares__tvnow(void) +{ + /* + ** time() returns the value of time in seconds since the Epoch. + */ + struct timeval now; + now.tv_sec = (long)time(NULL); + now.tv_usec = 0; + return now; +} + +#endif + +#if 0 /* Not used */ +/* + * Make sure that the first argument is the more recent time, as otherwise + * we'll get a weird negative time-diff back... + * + * Returns: the time difference in number of milliseconds. + */ +long ares__tvdiff(struct timeval newer, struct timeval older) +{ + return (newer.tv_sec-older.tv_sec)*1000+ + (newer.tv_usec-older.tv_usec)/1000; +} +#endif + |