1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
/*****************************************************************************
* *
* DH_TIME.C *
* *
* Freely redistributable and modifiable. Use at your own risk. *
* *
* Copyright 1994 The Downhill Project *
*
* Modified by Shane Caraveo for use with PHP
*
*****************************************************************************/
/* $Id: time_nw.c,v 1.2 2003/01/03 11:46:20 hyanantha Exp $ */
/**
*
* 04-Feb-2001
* - Added patch by "Vanhanen, Reijo" <Reijo.Vanhanen@helsoft.fi>
* Improves accuracy of msec
*/
/* Include stuff ************************************************************ */
#include "time_nw.h"
#include "unistd.h"
#include "signal.h"
/*#include <winbase.h>
#include <mmsystem.h>*/
#include <errno.h>
/*
int getfilesystemtime(struct timeval *time_Info)
{
FILETIME ft;
__int64 ff;
GetSystemTimeAsFileTime(&ft); *//* 100 ns blocks since 01-Jan-1641 *//*
*//* resolution seems to be 0.01 sec *//*
ff = *(__int64*)(&ft);
time_Info->tv_sec = (int)(ff/(__int64)10000000-(__int64)11644473600);
time_Info->tv_usec = (int)(ff % 10000000)/10;
return 0;
}
*/
int gettimeofday(struct timeval *time_Info, struct timezone *timezone_Info)
{
#ifdef NETWARE
return 0;
#else
static struct timeval starttime = {0, 0};
static __int64 lasttime = 0;
static __int64 freq = 0;
__int64 timer;
LARGE_INTEGER li;
BOOL b;
double dt;
/* Get the time, if they want it */
if (time_Info != NULL) {
if (starttime.tv_sec == 0) {
b = QueryPerformanceFrequency(&li);
if (!b) {
starttime.tv_sec = -1;
}
else {
freq = li.QuadPart;
b = QueryPerformanceCounter(&li);
if (!b) {
starttime.tv_sec = -1;
}
else {
getfilesystemtime(&starttime);
timer = li.QuadPart;
dt = (double)timer/freq;
starttime.tv_usec -= (int)((dt-(int)dt)*1000000);
if (starttime.tv_usec < 0) {
starttime.tv_usec += 1000000;
--starttime.tv_sec;
}
starttime.tv_sec -= (int)dt;
}
}
}
if (starttime.tv_sec > 0) {
b = QueryPerformanceCounter(&li);
if (!b) {
starttime.tv_sec = -1;
}
else {
timer = li.QuadPart;
if (timer < lasttime) {
getfilesystemtime(time_Info);
dt = (double)timer/freq;
starttime = *time_Info;
starttime.tv_usec -= (int)((dt-(int)dt)*1000000);
if (starttime.tv_usec < 0) {
starttime.tv_usec += 1000000;
--starttime.tv_sec;
}
starttime.tv_sec -= (int)dt;
}
else {
lasttime = timer;
dt = (double)timer/freq;
time_Info->tv_sec = starttime.tv_sec + (int)dt;
time_Info->tv_usec = starttime.tv_usec + (int)((dt-(int)dt)*1000000);
if (time_Info->tv_usec > 1000000) {
time_Info->tv_usec -= 1000000;
++time_Info->tv_sec;
}
}
}
}
if (starttime.tv_sec < 0) {
getfilesystemtime(time_Info);
}
}
/* Get the timezone, if they want it */
if (timezone_Info != NULL) {
_tzset();
timezone_Info->tz_minuteswest = _timezone;
timezone_Info->tz_dsttime = _daylight;
}
/* And return */
return 0;
#endif
}
/* this usleep isnt exactly accurate but should do ok */
/*
void usleep(unsigned int useconds)
{
struct timeval tnow, tthen, t0;
gettimeofday(&tthen, NULL);
t0 = tthen;
tthen.tv_usec += useconds;
while (tthen.tv_usec > 1000000) {
tthen.tv_usec -= 1000000;
tthen.tv_sec++;
}
if (useconds > 10000) {
useconds -= 10000;
Sleep(useconds/1000);
}
while (1) {
gettimeofday(&tnow, NULL);
if (tnow.tv_sec > tthen.tv_sec) {
break;
}
if (tnow.tv_sec == tthen.tv_sec) {
if (tnow.tv_usec > tthen.tv_usec) {
break;
}
}
}
}
*/
#ifdef HAVE_SETITIMER
/*
#ifndef THREAD_SAFE
unsigned int proftimer, virttimer, realtimer;
extern LPMSG phpmsg;
#endif
struct timer_msg {
int signal;
unsigned int threadid;
};
LPTIMECALLBACK setitimer_timeout(UINT uTimerID, UINT info, DWORD dwUser, DWORD dw1, DWORD dw2)
{
struct timer_msg *msg = (struct timer_msg *) info;
if (msg) {
raise((int) msg->signal);
PostThreadMessage(msg->threadid,
WM_NOTIFY, msg->signal, 0);
free(msg);
}
return 0;
}
int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue)
{
int timeout = value->it_value.tv_sec * 1000 + value->it_value.tv_usec;
int repeat = TIME_ONESHOT;
*/
/*make sure the message queue is initialized *//*
PeekMessage(phpmsg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
if (timeout > 0) {
struct timer_msg *msg = malloc(sizeof(struct timer_msg));
msg->threadid = GetCurrentThreadId();
if (!ovalue) {
repeat = TIME_PERIODIC;
}
switch (which) {
case ITIMER_REAL:
msg->signal = SIGALRM;
realtimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
break;
case ITIMER_VIRT:
msg->signal = SIGVTALRM;
virttimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
break;
case ITIMER_PROF:
msg->signal = SIGPROF;
proftimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
break;
default:
errno = EINVAL;
return -1;
break;
}
} else {
switch (which) {
case ITIMER_REAL:
timeKillEvent(realtimer);
break;
case ITIMER_VIRT:
timeKillEvent(virttimer);
break;
case ITIMER_PROF:
timeKillEvent(proftimer);
break;
default:
errno = EINVAL;
return -1;
break;
}
}
return 0;
}
*/
#endif
|
