X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=time.c;h=bb47b31b7b262ca8a988377d899e166abdd5d029;hp=6f6dd49e330df2f4d85565aa65ab1e02615abebd;hb=79a88784e0819c1bbe9de8d39a0e05997c8211f6;hpb=2f07d34b5d4c37606be5849b6ee51e0443707898;ds=sidebyside diff --git a/time.c b/time.c index 6f6dd49e..bb47b31b 100644 --- a/time.c +++ b/time.c @@ -1,8 +1,4 @@ -/* - * Copyright (C) 2005-2013 Andre Noll - * - * Licensed under the GPL v2. For licencing details see COPYING. - */ +/* Copyright (C) 2005 Andre Noll , see file COPYING. */ #include "para.h" /** \file time.c Helper functions for dealing with time values. */ @@ -31,18 +27,6 @@ void ms2tv(long unsigned n, struct timeval *tv) tv->tv_usec = (n % 1000) * 1000; } -/** - * Convert a double to a struct timeval. - * - * \param x The value to convert. - * \param tv Result pointer. - */ -void d2tv(double x, struct timeval *tv) -{ - tv->tv_sec = x; - tv->tv_usec = (x - (double)tv->tv_sec) * 1000.0 * 1000.0 + 0.5; -} - /** * Compute the difference of two time values. * @@ -55,7 +39,8 @@ void d2tv(double x, struct timeval *tv) * * \return If \a b < \a a, this function returns -1, otherwise it returns 1. */ -int tv_diff(const struct timeval *b, const struct timeval *a, struct timeval *diff) +int tv_diff(const struct timeval *b, const struct timeval *a, + struct timeval *diff) { int ret = 1; @@ -85,7 +70,7 @@ int tv_diff(const struct timeval *b, const struct timeval *a, struct timeval *di * \param sum Contains the sum \a a + \a b on return. */ void tv_add(const struct timeval *a, const struct timeval *b, - struct timeval *sum) + struct timeval *sum) { sum->tv_sec = a->tv_sec + b->tv_sec; if (a->tv_usec + b->tv_usec >= 1000 * 1000) { @@ -104,7 +89,7 @@ void tv_add(const struct timeval *a, const struct timeval *b, * \param result Contains \a mult * \a tv on return. */ void tv_scale(const unsigned long mult, const struct timeval *tv, - struct timeval *result) + struct timeval *result) { uint64_t x = ((uint64_t)tv->tv_sec * 1000 * 1000 + tv->tv_usec) * mult; @@ -120,7 +105,7 @@ void tv_scale(const unsigned long mult, const struct timeval *tv, * \param result Contains (1 / mult) * tv on return. */ void tv_divide(const unsigned long divisor, const struct timeval *tv, - struct timeval *result) + struct timeval *result) { uint64_t x = ((uint64_t)tv->tv_sec * 1000 * 1000 + tv->tv_usec) / divisor; @@ -209,22 +194,14 @@ void compute_chunk_time(long unsigned chunk_num, struct timeval *clock_get_realtime(struct timeval *tv) { static struct timeval user_friendly; + struct timespec t; + int ret; if (!tv) tv = &user_friendly; -#ifdef HAVE_CLOCK_GETTIME - { - struct timespec t; - int ret; - - ret = clock_gettime(CLOCK_REALTIME, &t); - assert(ret == 0); - tv->tv_sec = t.tv_sec; - tv->tv_usec = t.tv_nsec / 1000; - } -#else - #include - gettimeofday(tv, NULL); -#endif /* HAVE_CLOCK_GETTIME */ + ret = clock_gettime(CLOCK_REALTIME, &t); + assert(ret == 0); + tv->tv_sec = t.tv_sec; + tv->tv_usec = t.tv_nsec / 1000; return tv; }