1 /*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Keith Muller of the University of California, San Diego and Lance 7 * Visser of Convex Computer Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)misc.c 8.3 (Berkeley) 4/2/94 34 * $FreeBSD: src/bin/dd/misc.c,v 1.18.2.1 2001/08/01 01:40:03 obrien Exp $ 35 */ 36 37 #include <sys/types.h> 38 39 #include <err.h> 40 #include <errno.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <time.h> 45 #include <unistd.h> 46 47 #include "dd.h" 48 #include "extern.h" 49 50 double 51 secs_elapsed(void) 52 { 53 struct timespec end, ts_res; 54 double secs, res; 55 56 if (clock_gettime(CLOCK_MONOTONIC, &end)) 57 err(1, "clock_gettime"); 58 if (clock_getres(CLOCK_MONOTONIC, &ts_res)) 59 err(1, "clock_getres"); 60 secs = (end.tv_sec - st.start.tv_sec) + 61 (end.tv_nsec - st.start.tv_nsec) * 1e-9; 62 res = ts_res.tv_sec + ts_res.tv_nsec * 1e-9; 63 if (secs < res) 64 secs = res; 65 66 return (secs); 67 } 68 69 void 70 summary(void) 71 { 72 double secs; 73 74 secs = secs_elapsed(); 75 76 fprintf(stderr, "%ju+%ju records in\n%ju+%ju records out\n", 77 (uintmax_t)st.in_full, (uintmax_t)st.in_part, 78 (uintmax_t)st.out_full, (uintmax_t)st.out_part); 79 if (st.swab) { 80 fprintf(stderr, "%ju odd length swab %s\n", 81 (uintmax_t)st.swab, 82 ((st.swab == 1) ? "block" : "blocks")); 83 } 84 if (st.trunc) { 85 fprintf(stderr, "%ju truncated %s\n", 86 (uintmax_t)st.trunc, 87 ((st.trunc == 1) ? "block" : "blocks")); 88 } 89 fprintf(stderr, 90 "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n", 91 (uintmax_t)st.bytes, secs, st.bytes / secs); 92 need_summary = 0; 93 } 94 95 /* ARGSUSED */ 96 void 97 siginfo_handler(int signo __unused) 98 { 99 100 need_summary = 1; 101 } 102 103 /* ARGSUSED */ 104 void 105 terminate(int sig) 106 { 107 108 summary(); 109 _exit(sig == 0 ? 0 : 1); 110 } 111