xref: /PHP-5.6/ext/standard/microtime.c (revision 49493a2d)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 5                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2016 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 #elif defined(NETWARE)
29 #include <sys/timeval.h>
30 #include <sys/time.h>
31 #else
32 #include <sys/time.h>
33 #endif
34 #ifdef HAVE_SYS_RESOURCE_H
35 #include <sys/resource.h>
36 #endif
37 #ifdef HAVE_UNISTD_H
38 #include <unistd.h>
39 #endif
40 #include <stdlib.h>
41 #include <string.h>
42 #include <stdio.h>
43 #include <errno.h>
44 
45 #include "microtime.h"
46 #include "ext/date/php_date.h"
47 
48 #define NUL  '\0'
49 #define MICRO_IN_SEC 1000000.00
50 #define SEC_IN_MIN 60
51 
52 #ifdef HAVE_GETTIMEOFDAY
_php_gettimeofday(INTERNAL_FUNCTION_PARAMETERS,int mode)53 static void _php_gettimeofday(INTERNAL_FUNCTION_PARAMETERS, int mode)
54 {
55 	zend_bool get_as_float = 0;
56 	struct timeval tp = {0};
57 
58 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &get_as_float) == FAILURE) {
59 		return;
60 	}
61 
62 	if (gettimeofday(&tp, NULL)) {
63 		RETURN_FALSE;
64 	}
65 
66 	if (get_as_float) {
67 		RETURN_DOUBLE((double)(tp.tv_sec + tp.tv_usec / MICRO_IN_SEC));
68 	}
69 
70 	if (mode) {
71 		timelib_time_offset *offset;
72 
73 		offset = timelib_get_time_zone_info(tp.tv_sec, get_timezone_info(TSRMLS_C));
74 
75 		array_init(return_value);
76 		add_assoc_long(return_value, "sec", tp.tv_sec);
77 		add_assoc_long(return_value, "usec", tp.tv_usec);
78 
79 		add_assoc_long(return_value, "minuteswest", -offset->offset / SEC_IN_MIN);
80 		add_assoc_long(return_value, "dsttime", offset->is_dst);
81 
82 		timelib_time_offset_dtor(offset);
83 	} else {
84 		char ret[100];
85 
86 		snprintf(ret, 100, "%.8F %ld", tp.tv_usec / MICRO_IN_SEC, tp.tv_sec);
87 		RETURN_STRING(ret, 1);
88 	}
89 }
90 
91 /* {{{ proto mixed microtime([bool get_as_float])
92    Returns either a string or a float containing the current time in seconds and microseconds */
PHP_FUNCTION(microtime)93 PHP_FUNCTION(microtime)
94 {
95 	_php_gettimeofday(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
96 }
97 /* }}} */
98 
99 /* {{{ proto array gettimeofday([bool get_as_float])
100    Returns the current time as array */
PHP_FUNCTION(gettimeofday)101 PHP_FUNCTION(gettimeofday)
102 {
103 	_php_gettimeofday(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
104 }
105 #endif
106 /* }}} */
107 
108 #ifdef HAVE_GETRUSAGE
109 /* {{{ proto array getrusage([int who])
110    Returns an array of usage statistics */
PHP_FUNCTION(getrusage)111 PHP_FUNCTION(getrusage)
112 {
113 	struct rusage usg;
114 	long pwho = 0;
115 	int who = RUSAGE_SELF;
116 
117 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &pwho) == FAILURE) {
118 		return;
119 	}
120 
121 	if (pwho == 1) {
122 		who = RUSAGE_CHILDREN;
123 	}
124 
125 	memset(&usg, 0, sizeof(struct rusage));
126 
127 	if (getrusage(who, &usg) == -1) {
128 		RETURN_FALSE;
129 	}
130 
131 	array_init(return_value);
132 #define PHP_RUSAGE_PARA(a) \
133 		add_assoc_long(return_value, #a, usg.a)
134 #if !defined( _OSD_POSIX) && !defined(__BEOS__) /* BS2000 has only a few fields in the rusage struct */
135 	PHP_RUSAGE_PARA(ru_oublock);
136 	PHP_RUSAGE_PARA(ru_inblock);
137 	PHP_RUSAGE_PARA(ru_msgsnd);
138 	PHP_RUSAGE_PARA(ru_msgrcv);
139 	PHP_RUSAGE_PARA(ru_maxrss);
140 	PHP_RUSAGE_PARA(ru_ixrss);
141 	PHP_RUSAGE_PARA(ru_idrss);
142 	PHP_RUSAGE_PARA(ru_minflt);
143 	PHP_RUSAGE_PARA(ru_majflt);
144 	PHP_RUSAGE_PARA(ru_nsignals);
145 	PHP_RUSAGE_PARA(ru_nvcsw);
146 	PHP_RUSAGE_PARA(ru_nivcsw);
147 	PHP_RUSAGE_PARA(ru_nswap);
148 #endif /*_OSD_POSIX*/
149 	PHP_RUSAGE_PARA(ru_utime.tv_usec);
150 	PHP_RUSAGE_PARA(ru_utime.tv_sec);
151 	PHP_RUSAGE_PARA(ru_stime.tv_usec);
152 	PHP_RUSAGE_PARA(ru_stime.tv_sec);
153 #undef PHP_RUSAGE_PARA
154 }
155 #endif /* HAVE_GETRUSAGE */
156 
157 /* }}} */
158 
159 /*
160  * Local variables:
161  * tab-width: 4
162  * c-basic-offset: 4
163  * End:
164  * vim600: sw=4 ts=4 fdm=marker
165  * vim<600: sw=4 ts=4
166  */
167