1 /* $OpenBSD: misc.c,v 1.26 2024/07/12 19:11:25 florian Exp $ */ 2 /* $NetBSD: misc.c,v 1.4 1995/03/21 09:04:10 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1991, 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Keith Muller of the University of California, San Diego and Lance 10 * Visser of Convex Computer Corporation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #include <sys/types.h> 38 #include <sys/time.h> 39 40 #include <errno.h> 41 #include <stdio.h> 42 #include <time.h> 43 #include <unistd.h> 44 45 #include "dd.h" 46 #include "extern.h" 47 48 /* SIGINFO handler */ 49 void 50 sig_summary(int notused) 51 { 52 int save_errno = errno; 53 struct timespec elapsed, now; 54 unsigned long long bps, msec; 55 56 if (ddflags & C_NOINFO) 57 return; 58 59 clock_gettime(CLOCK_MONOTONIC, &now); 60 timespecsub(&now, &st.start, &elapsed); 61 62 if (elapsed.tv_sec > 600) 63 bps = st.bytes / elapsed.tv_sec; 64 else if (elapsed.tv_sec > 0) { 65 /* will overflow at ~ 30 exabytes / second */ 66 msec = elapsed.tv_sec * 1000 + elapsed.tv_nsec / 1000000; 67 if (msec == 0) 68 msec = 1; 69 bps = st.bytes * 1000 / msec; 70 } else if (elapsed.tv_nsec > 0) 71 bps = st.bytes * 1000000000 / elapsed.tv_nsec; 72 else 73 bps = st.bytes; 74 75 /* Be async safe: use dprintf(3). */ 76 dprintf(STDERR_FILENO, "%zu+%zu records in\n%zu+%zu records out\n", 77 st.in_full, st.in_part, st.out_full, st.out_part); 78 79 if (st.swab) { 80 dprintf(STDERR_FILENO, "%zu odd length swab %s\n", 81 st.swab, (st.swab == 1) ? "block" : "blocks"); 82 } 83 if (st.trunc) { 84 dprintf(STDERR_FILENO, "%zu truncated %s\n", 85 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 86 } 87 if (!(ddflags & C_NOXFER)) { 88 dprintf(STDERR_FILENO, 89 "%lld bytes transferred in %lld.%03ld secs " 90 "(%llu bytes/sec)\n", (long long)st.bytes, 91 (long long)elapsed.tv_sec, elapsed.tv_nsec / 1000000, bps); 92 } 93 errno = save_errno; 94 } 95 96 /* SIGINT handler */ 97 void 98 sig_terminate(int signo) 99 { 100 sig_summary(0); 101 _exit(128 + signo); 102 } 103 104 /* atexit variation to summarize */ 105 void 106 exit_summary(void) 107 { 108 sig_summary(0); 109 } 110