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 34 #ifndef lint 35 #if 0 36 static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; 37 #endif 38 #endif /* not lint */ 39 #include <sys/cdefs.h> 40 __FBSDID("$FreeBSD$"); 41 42 #include <sys/types.h> 43 44 #include <err.h> 45 #include <errno.h> 46 #include <inttypes.h> 47 #include <signal.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <time.h> 52 #include <unistd.h> 53 54 #include "dd.h" 55 #include "extern.h" 56 57 double 58 secs_elapsed(void) 59 { 60 struct timespec end, ts_res; 61 double secs, res; 62 63 if (clock_gettime(CLOCK_MONOTONIC, &end)) 64 err(1, "clock_gettime"); 65 if (clock_getres(CLOCK_MONOTONIC, &ts_res)) 66 err(1, "clock_getres"); 67 secs = (end.tv_sec - st.start.tv_sec) + \ 68 (end.tv_nsec - st.start.tv_nsec) * 1e-9; 69 res = ts_res.tv_sec + ts_res.tv_nsec * 1e-9; 70 if (secs < res) 71 secs = res; 72 73 return (secs); 74 } 75 76 void 77 summary(void) 78 { 79 double secs; 80 81 if (ddflags & C_NOINFO) 82 return; 83 84 secs = secs_elapsed(); 85 86 (void)fprintf(stderr, 87 "%ju+%ju records in\n%ju+%ju records out\n", 88 st.in_full, st.in_part, st.out_full, st.out_part); 89 if (st.swab) 90 (void)fprintf(stderr, "%ju odd length swab %s\n", 91 st.swab, (st.swab == 1) ? "block" : "blocks"); 92 if (st.trunc) 93 (void)fprintf(stderr, "%ju truncated %s\n", 94 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 95 if (!(ddflags & C_NOXFER)) { 96 (void)fprintf(stderr, 97 "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n", 98 st.bytes, secs, st.bytes / secs); 99 } 100 need_summary = 0; 101 } 102 103 /* ARGSUSED */ 104 void 105 siginfo_handler(int signo __unused) 106 { 107 108 need_summary = 1; 109 } 110 111 /* ARGSUSED */ 112 void 113 terminate(int sig) 114 { 115 116 summary(); 117 _exit(sig == 0 ? 0 : 1); 118 } 119