xref: /PHP-7.1/ext/standard/microtime.c (revision ccd4716e)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2018 The PHP Group                                |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Author: Paul Panotzki - Bunyip Information Systems                   |
16    +----------------------------------------------------------------------+
17  */
18 
19 /* $Id$ */
20 
21 #include "php.h"
22 
23 #ifdef HAVE_SYS_TYPES_H
24 #include <sys/types.h>
25 #endif
26 #ifdef PHP_WIN32
27 #include "win32/time.h"
28 #include "win32/getrusage.h"
29 #elif defined(NETWARE)
30 #include <sys/timeval.h>
31 #include <sys/time.h>
32 #else
33 #include <sys/time.h>
34 #endif
35 #ifdef HAVE_SYS_RESOURCE_H
36 #include <sys/resource.h>
37 #endif
38 #ifdef HAVE_UNISTD_H
39 #include <unistd.h>
40 #endif
41 #include <stdlib.h>
42 #include <string.h>
43 #include <stdio.h>
44 #include <errno.h>
45 
46 #include "microtime.h"
47 #include "ext/date/php_date.h"
48 
49 #define NUL  '\0'
50 #define MICRO_IN_SEC 1000000.00
51 #define SEC_IN_MIN 60
52 
53 #ifdef HAVE_GETTIMEOFDAY
_php_gettimeofday(INTERNAL_FUNCTION_PARAMETERS,int mode)54 static void _php_gettimeofday(INTERNAL_FUNCTION_PARAMETERS, int mode)
55 {
56 	zend_bool get_as_float = 0;
57 	struct timeval tp = {0};
58 
59 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|b", &get_as_float) == FAILURE) {
60 		return;
61 	}
62 
63 	if (gettimeofday(&tp, NULL)) {
64 		RETURN_FALSE;
65 	}
66 
67 	if (get_as_float) {
68 		RETURN_DOUBLE((double)(tp.tv_sec + tp.tv_usec / MICRO_IN_SEC));
69 	}
70 
71 	if (mode) {
72 		timelib_time_offset *offset;
73 
74 		offset = timelib_get_time_zone_info(tp.tv_sec, get_timezone_info());
75 
76 		array_init(return_value);
77 		add_assoc_long(return_value, "sec", tp.tv_sec);
78 		add_assoc_long(return_value, "usec", tp.tv_usec);
79 
80 		add_assoc_long(return_value, "minuteswest", -offset->offset / SEC_IN_MIN);
81 		add_assoc_long(return_value, "dsttime", offset->is_dst);
82 
83 		timelib_time_offset_dtor(offset);
84 	} else {
85 		char ret[100];
86 
87 		snprintf(ret, 100, "%.8F %ld", tp.tv_usec / MICRO_IN_SEC, tp.tv_sec);
88 		RETURN_STRING(ret);
89 	}
90 }
91 
92 /* {{{ proto mixed microtime([bool get_as_float])
93    Returns either a string or a float containing the current time in seconds and microseconds */
PHP_FUNCTION(microtime)94 PHP_FUNCTION(microtime)
95 {
96 	_php_gettimeofday(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
97 }
98 /* }}} */
99 
100 /* {{{ proto array gettimeofday([bool get_as_float])
101    Returns the current time as array */
PHP_FUNCTION(gettimeofday)102 PHP_FUNCTION(gettimeofday)
103 {
104 	_php_gettimeofday(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
105 }
106 #endif
107 /* }}} */
108 
109 #ifdef HAVE_GETRUSAGE
110 /* {{{ proto array getrusage([int who])
111    Returns an array of usage statistics */
PHP_FUNCTION(getrusage)112 PHP_FUNCTION(getrusage)
113 {
114 	struct rusage usg;
115 	zend_long pwho = 0;
116 	int who = RUSAGE_SELF;
117 
118 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &pwho) == FAILURE) {
119 		return;
120 	}
121 
122 	if (pwho == 1) {
123 		who = RUSAGE_CHILDREN;
124 	}
125 
126 	memset(&usg, 0, sizeof(struct rusage));
127 
128 	if (getrusage(who, &usg) == -1) {
129 		RETURN_FALSE;
130 	}
131 
132 	array_init(return_value);
133 
134 #define PHP_RUSAGE_PARA(a) \
135 		add_assoc_long(return_value, #a, usg.a)
136 
137 #ifdef PHP_WIN32 /* Windows only implements a limited amount of fields from the rusage struct */
138 	PHP_RUSAGE_PARA(ru_majflt);
139 	PHP_RUSAGE_PARA(ru_maxrss);
140 #elif !defined( _OSD_POSIX) && !defined(__BEOS__) /* BS2000 has only a few fields in the rusage struct*/
141 	PHP_RUSAGE_PARA(ru_oublock);
142 	PHP_RUSAGE_PARA(ru_inblock);
143 	PHP_RUSAGE_PARA(ru_msgsnd);
144 	PHP_RUSAGE_PARA(ru_msgrcv);
145 	PHP_RUSAGE_PARA(ru_maxrss);
146 	PHP_RUSAGE_PARA(ru_ixrss);
147 	PHP_RUSAGE_PARA(ru_idrss);
148 	PHP_RUSAGE_PARA(ru_minflt);
149 	PHP_RUSAGE_PARA(ru_majflt);
150 	PHP_RUSAGE_PARA(ru_nsignals);
151 	PHP_RUSAGE_PARA(ru_nvcsw);
152 	PHP_RUSAGE_PARA(ru_nivcsw);
153 	PHP_RUSAGE_PARA(ru_nswap);
154 #endif /*_OSD_POSIX*/
155 	PHP_RUSAGE_PARA(ru_utime.tv_usec);
156 	PHP_RUSAGE_PARA(ru_utime.tv_sec);
157 	PHP_RUSAGE_PARA(ru_stime.tv_usec);
158 	PHP_RUSAGE_PARA(ru_stime.tv_sec);
159 
160 #undef PHP_RUSAGE_PARA
161 }
162 #endif /* HAVE_GETRUSAGE */
163 
164 /* }}} */
165 
166 /*
167  * Local variables:
168  * tab-width: 4
169  * c-basic-offset: 4
170  * End:
171  * vim600: sw=4 ts=4 fdm=marker
172  * vim<600: sw=4 ts=4
173  */
174