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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/time/time.c	Lines:	0	66	0.0 %
Date:	2016-12-06	Branches:	0	40	0.0 %


/*	$OpenBSD: time.c,v 1.21 2015/10/10 14:49:23 deraadt 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>

int lflag;
int portableflag;

__dead void usage(void);

int
main(int argc, char *argv[])
{
	pid_t pid;
	int ch, status;
	struct timeval before, after;
	struct rusage ru;
	int exitonsig = 0;

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

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

	argc -= optind;
	argv += optind;

	if (argc < 1)
		usage();

	gettimeofday(&before, (struct timezone *)NULL);
	switch(pid = vfork()) {
	case -1:			/* error */
		perror("time");
		exit(1);
		/* NOTREACHED */
	case 0:				/* child */
		execvp(*argv, argv);
		perror(*argv);
		_exit((errno == ENOENT) ? 127 : 126);
		/* NOTREACHED */
	}

	/* parent */
	(void)signal(SIGINT, SIG_IGN);
	(void)signal(SIGQUIT, SIG_IGN);
	while (wait3(&status, 0, &ru) != pid)
		;
	gettimeofday(&after, (struct timezone *)NULL);
	if (WIFSIGNALED(status))
		exitonsig = WTERMSIG(status);
	if (!WIFEXITED(status))
		fprintf(stderr, "Command terminated abnormally.\n");
	timersub(&after, &before, &after);

	if (portableflag) {
		fprintf(stderr, "real %9lld.%02ld\n",
			(long long)after.tv_sec, after.tv_usec/10000);
		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)after.tv_sec, after.tv_usec/10000);
		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)
			perror("signal");
		else
			kill(getpid(), exitonsig);
	}
	exit(WIFEXITED(status) ? WEXITSTATUS(status) : EXIT_FAILURE);
}

__dead void
usage(void)
{
	extern char *__progname;

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


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: time.c,v 1.21 2015/10/10 14:49:23 deraadt 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			int lflag;
46			int portableflag;
47
48			__dead void usage(void);
49
50			int
51			main(int argc, char *argv[])
52			{
53			pid_t pid;
54			int ch, status;
55			struct timeval before, after;
56			struct rusage ru;
57			int exitonsig = 0;
58
59			if (pledge("stdio proc exec wpath cpath rpath", NULL) == -1)
60			err(1, "pledge");
61
62			while ((ch = getopt(argc, argv, "lp")) != -1) {
63			switch(ch) {
64			case 'l':
65			lflag = 1;
66			break;
67			case 'p':
68			portableflag = 1;
69			break;
70			default:
71			usage();
72			/* NOTREACHED */
73			}
74			}
75
76			argc -= optind;
77			argv += optind;
78
79			if (argc < 1)
80			usage();
81
82			gettimeofday(&before, (struct timezone *)NULL);
83			switch(pid = vfork()) {
84			case -1: /* error */
85			perror("time");
86			exit(1);
87			/* NOTREACHED */
88			case 0: /* child */
89			execvp(*argv, argv);
90			perror(*argv);
91			_exit((errno == ENOENT) ? 127 : 126);
92			/* NOTREACHED */
93			}
94
95			/* parent */
96			(void)signal(SIGINT, SIG_IGN);
97			(void)signal(SIGQUIT, SIG_IGN);
98			while (wait3(&status, 0, &ru) != pid)
99			;
100			gettimeofday(&after, (struct timezone *)NULL);
101			if (WIFSIGNALED(status))
102			exitonsig = WTERMSIG(status);
103			if (!WIFEXITED(status))
104			fprintf(stderr, "Command terminated abnormally.\n");
105			timersub(&after, &before, &after);
106
107			if (portableflag) {
108			fprintf(stderr, "real %9lld.%02ld\n",
109			(long long)after.tv_sec, after.tv_usec/10000);
110			fprintf(stderr, "user %9lld.%02ld\n",
111			(long long)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec/10000);
112			fprintf(stderr, "sys %9lld.%02ld\n",
113			(long long)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec/10000);
114			} else {
115
116			fprintf(stderr, "%9lld.%02ld real ",
117			(long long)after.tv_sec, after.tv_usec/10000);
118			fprintf(stderr, "%9lld.%02ld user ",
119			(long long)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec/10000);
120			fprintf(stderr, "%9lld.%02ld sys\n",
121			(long long)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec/10000);
122			}
123
124			if (lflag) {
125			int hz;
126			long ticks;
127			int mib[2];
128			struct clockinfo clkinfo;
129			size_t size;
130
131			mib[0] = CTL_KERN;
132			mib[1] = KERN_CLOCKRATE;
133			size = sizeof(clkinfo);
134			if (sysctl(mib, 2, &clkinfo, &size, NULL, 0) < 0)
135			err(1, "sysctl");
136
137			hz = clkinfo.hz;
138
139			ticks = hz * (ru.ru_utime.tv_sec + ru.ru_stime.tv_sec) +
140			hz * (ru.ru_utime.tv_usec + ru.ru_stime.tv_usec) / 1000000;
141
142			fprintf(stderr, "%10ld %s\n",
143			ru.ru_maxrss, "maximum resident set size");
144			fprintf(stderr, "%10ld %s\n", ticks ? ru.ru_ixrss / ticks : 0,
145			"average shared memory size");
146			fprintf(stderr, "%10ld %s\n", ticks ? ru.ru_idrss / ticks : 0,
147			"average unshared data size");
148			fprintf(stderr, "%10ld %s\n", ticks ? ru.ru_isrss / ticks : 0,
149			"average unshared stack size");
150			fprintf(stderr, "%10ld %s\n",
151			ru.ru_minflt, "minor page faults");
152			fprintf(stderr, "%10ld %s\n",
153			ru.ru_majflt, "major page faults");
154			fprintf(stderr, "%10ld %s\n",
155			ru.ru_nswap, "swaps");
156			fprintf(stderr, "%10ld %s\n",
157			ru.ru_inblock, "block input operations");
158			fprintf(stderr, "%10ld %s\n",
159			ru.ru_oublock, "block output operations");
160			fprintf(stderr, "%10ld %s\n",
161			ru.ru_msgsnd, "messages sent");
162			fprintf(stderr, "%10ld %s\n",
163			ru.ru_msgrcv, "messages received");
164			fprintf(stderr, "%10ld %s\n",
165			ru.ru_nsignals, "signals received");
166			fprintf(stderr, "%10ld %s\n",
167			ru.ru_nvcsw, "voluntary context switches");
168			fprintf(stderr, "%10ld %s\n",
169			ru.ru_nivcsw, "involuntary context switches");
170			}
171
172			if (exitonsig) {
173			if (signal(exitonsig, SIG_DFL) == SIG_ERR)
174			perror("signal");
175			else
176			kill(getpid(), exitonsig);
177			}
178			exit(WIFEXITED(status) ? WEXITSTATUS(status) : EXIT_FAILURE);
179			}
180
181			__dead void
182			usage(void)
183			{
184			extern char *__progname;
185
186			(void)fprintf(stderr, "usage: %s [-lp] utility [argument ...]\n",
187			__progname);
188			exit(1);
189			}