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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/time/time.c	Lines:	27	88	30.7 %
Date:	2017-11-07	Branches:	14	40	35.0 %


/*	$OpenBSD: time.c,v 1.25 2017/08/21 13:38:02 schwarze Exp $	*/
/*	$NetBSD: time.c,v 1.7 1995/06/27 00:34:00 jtc Exp $	*/

/*
 * Copyright (c) 1987, 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/time.h>
#include <sys/resource.h>
#include <sys/wait.h>
#include <sys/sysctl.h>

#include <err.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

__dead void usage(void);

int
main(int argc, char *argv[])
{
	struct rusage ru;
	struct timespec before, after, during;
	int ch, exitonsig, lflag, portableflag, status;
	pid_t pid;

	if (pledge("stdio proc exec flock rpath cpath wpath", NULL) == -1)
		err(1, "pledge");

	exitonsig = lflag = portableflag = 0;

	while ((ch = getopt(argc, argv, "lp")) != -1) {
		switch(ch) {
		case 'l':
			lflag = 1;
			break;
		case 'p':
			portableflag = 1;
			break;
		default:
			usage();
		}
	}

	argc -= optind;
	argv += optind;

	if (argc < 1)
		usage();

	clock_gettime(CLOCK_MONOTONIC, &before);
	switch(pid = vfork()) {
	case -1:			/* error */
		warn("fork");
		return 1;
	case 0:				/* child */
		execvp(*argv, argv);
		warn("%s", *argv);
		_exit((errno == ENOENT) ? 127 : 126);
	}

	/* parent */
	signal(SIGINT, SIG_IGN);
	signal(SIGQUIT, SIG_IGN);
	while (wait3(&status, 0, &ru) != pid)
		;
	clock_gettime(CLOCK_MONOTONIC, &after);
	if (WIFSIGNALED(status))
		exitonsig = WTERMSIG(status);
	if (!WIFEXITED(status))
		fprintf(stderr, "Command terminated abnormally.\n");
	timespecsub(&after, &before, &during);

	if (portableflag) {
		fprintf(stderr, "real %9lld.%02ld\n",
			(long long)during.tv_sec, during.tv_nsec/10000000);
		fprintf(stderr, "user %9lld.%02ld\n",
			(long long)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec/10000);
		fprintf(stderr, "sys  %9lld.%02ld\n",
			(long long)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec/10000);
	} else {
		fprintf(stderr, "%9lld.%02ld real ",
			(long long)during.tv_sec, during.tv_nsec/10000000);
		fprintf(stderr, "%9lld.%02ld user ",
			(long long)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec/10000);
		fprintf(stderr, "%9lld.%02ld sys\n",
			(long long)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec/10000);
	}

	if (lflag) {
		int hz;
		long ticks;
		int mib[2];
		struct clockinfo clkinfo;
		size_t size;

		mib[0] = CTL_KERN;
		mib[1] = KERN_CLOCKRATE;
		size = sizeof(clkinfo);
		if (sysctl(mib, 2, &clkinfo, &size, NULL, 0) < 0)
			err(1, "sysctl");

		hz = clkinfo.hz;

		ticks = hz * (ru.ru_utime.tv_sec + ru.ru_stime.tv_sec) +
		     hz * (ru.ru_utime.tv_usec + ru.ru_stime.tv_usec) / 1000000;

		fprintf(stderr, "%10ld  %s\n",
			ru.ru_maxrss, "maximum resident set size");
		fprintf(stderr, "%10ld  %s\n", ticks ? ru.ru_ixrss / ticks : 0,
			"average shared memory size");
		fprintf(stderr, "%10ld  %s\n", ticks ? ru.ru_idrss / ticks : 0,
			"average unshared data size");
		fprintf(stderr, "%10ld  %s\n", ticks ? ru.ru_isrss / ticks : 0,
			"average unshared stack size");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_minflt, "minor page faults");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_majflt, "major page faults");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_nswap, "swaps");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_inblock, "block input operations");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_oublock, "block output operations");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_msgsnd, "messages sent");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_msgrcv, "messages received");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_nsignals, "signals received");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_nvcsw, "voluntary context switches");
		fprintf(stderr, "%10ld  %s\n",
			ru.ru_nivcsw, "involuntary context switches");
	}

	if (exitonsig) {
		if (signal(exitonsig, SIG_DFL) == SIG_ERR)
			return 128 + exitonsig;
		else
			raise(exitonsig);
	}
	return WIFEXITED(status) ? WEXITSTATUS(status) : EXIT_FAILURE;
}

__dead void
usage(void)
{
	fprintf(stderr, "usage: %s [-lp] utility [argument ...]\n",
	    getprogname());
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: time.c,v 1.25 2017/08/21 13:38:02 schwarze Exp $ */
2			/* $NetBSD: time.c,v 1.7 1995/06/27 00:34:00 jtc Exp $ */
3
4			/*
5			* Copyright (c) 1987, 1988, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			#include <sys/time.h>
34			#include <sys/resource.h>
35			#include <sys/wait.h>
36			#include <sys/sysctl.h>
37
38			#include <err.h>
39			#include <errno.h>
40			#include <signal.h>
41			#include <stdio.h>
42			#include <stdlib.h>
43			#include <unistd.h>
44
45			__dead void usage(void);
46
47			int
48			main(int argc, char *argv[])
49			{
50		14	struct rusage ru;
51		7	struct timespec before, after, during;
52		7	int ch, exitonsig, lflag, portableflag, status;
53			pid_t pid;
54
55	✗✓	7	if (pledge("stdio proc exec flock rpath cpath wpath", NULL) == -1)
56			err(1, "pledge");
57
58			exitonsig = lflag = portableflag = 0;
59
60	✗✓	14	while ((ch = getopt(argc, argv, "lp")) != -1) {
61			switch(ch) {
62			case 'l':
63			lflag = 1;
64			break;
65			case 'p':
66			portableflag = 1;
67			break;
68			default:
69			usage();
70			}
71			}
72
73		7	argc -= optind;
74		7	argv += optind;
75
76	✗✓	7	if (argc < 1)
77			usage();
78
79		7	clock_gettime(CLOCK_MONOTONIC, &before);
80	✗✗✓	7	switch(pid = vfork()) {
81			case -1: /* error */
82			warn("fork");
83			return 1;
84			case 0: /* child */
85			execvp(*argv, argv);
86			warn("%s", *argv);
87			_exit((errno == ENOENT) ? 127 : 126);
88			}
89
90			/* parent */
91		7	signal(SIGINT, SIG_IGN);
92		7	signal(SIGQUIT, SIG_IGN);
93	✗✓	14	while (wait3(&status, 0, &ru) != pid)
94			;
95		7	clock_gettime(CLOCK_MONOTONIC, &after);
96	✓✗✗✓	14	if (WIFSIGNALED(status))
97			exitonsig = WTERMSIG(status);
98	✗✓	7	if (!WIFEXITED(status))
99			fprintf(stderr, "Command terminated abnormally.\n");
100	✓✓	10	timespecsub(&after, &before, &during);
101
102	✗✓	7	if (portableflag) {
103			fprintf(stderr, "real %9lld.%02ld\n",
104			(long long)during.tv_sec, during.tv_nsec/10000000);
105			fprintf(stderr, "user %9lld.%02ld\n",
106			(long long)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec/10000);
107			fprintf(stderr, "sys %9lld.%02ld\n",
108			(long long)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec/10000);
109			} else {
110		7	fprintf(stderr, "%9lld.%02ld real ",
111			(long long)during.tv_sec, during.tv_nsec/10000000);
112		7	fprintf(stderr, "%9lld.%02ld user ",
113		7	(long long)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec/10000);
114		7	fprintf(stderr, "%9lld.%02ld sys\n",
115		7	(long long)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec/10000);
116			}
117
118	✗✓	7	if (lflag) {
119			int hz;
120			long ticks;
121			int mib[2];
122			struct clockinfo clkinfo;
123			size_t size;
124
125			mib[0] = CTL_KERN;
126			mib[1] = KERN_CLOCKRATE;
127			size = sizeof(clkinfo);
128			if (sysctl(mib, 2, &clkinfo, &size, NULL, 0) < 0)
129			err(1, "sysctl");
130
131			hz = clkinfo.hz;
132
133			ticks = hz * (ru.ru_utime.tv_sec + ru.ru_stime.tv_sec) +
134			hz * (ru.ru_utime.tv_usec + ru.ru_stime.tv_usec) / 1000000;
135
136			fprintf(stderr, "%10ld %s\n",
137			ru.ru_maxrss, "maximum resident set size");
138			fprintf(stderr, "%10ld %s\n", ticks ? ru.ru_ixrss / ticks : 0,
139			"average shared memory size");
140			fprintf(stderr, "%10ld %s\n", ticks ? ru.ru_idrss / ticks : 0,
141			"average unshared data size");
142			fprintf(stderr, "%10ld %s\n", ticks ? ru.ru_isrss / ticks : 0,
143			"average unshared stack size");
144			fprintf(stderr, "%10ld %s\n",
145			ru.ru_minflt, "minor page faults");
146			fprintf(stderr, "%10ld %s\n",
147			ru.ru_majflt, "major page faults");
148			fprintf(stderr, "%10ld %s\n",
149			ru.ru_nswap, "swaps");
150			fprintf(stderr, "%10ld %s\n",
151			ru.ru_inblock, "block input operations");
152			fprintf(stderr, "%10ld %s\n",
153			ru.ru_oublock, "block output operations");
154			fprintf(stderr, "%10ld %s\n",
155			ru.ru_msgsnd, "messages sent");
156			fprintf(stderr, "%10ld %s\n",
157			ru.ru_msgrcv, "messages received");
158			fprintf(stderr, "%10ld %s\n",
159			ru.ru_nsignals, "signals received");
160			fprintf(stderr, "%10ld %s\n",
161			ru.ru_nvcsw, "voluntary context switches");
162			fprintf(stderr, "%10ld %s\n",
163			ru.ru_nivcsw, "involuntary context switches");
164			}
165
166	✗✓	7	if (exitonsig) {
167			if (signal(exitonsig, SIG_DFL) == SIG_ERR)
168			return 128 + exitonsig;
169			else
170			raise(exitonsig);
171			}
172	✓✗	21	return WIFEXITED(status) ? WEXITSTATUS(status) : EXIT_FAILURE;
173		7	}
174
175			__dead void
176			usage(void)
177			{
178			fprintf(stderr, "usage: %s [-lp] utility [argument ...]\n",
179			getprogname());
180			exit(1);
181			}