blob: 9b6155392afc5df8684b163281ba1ce1ed71e8f0 (
plain)
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
|
/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: |
| |
+----------------------------------------------------------------------+
*/
#include "tls.h"
#if THREAD_SAFE
/*This is indeed a global!*/
DWORD TlsIndex;
#else
php3_globals_struct *php3_globals;
#endif
/* just copying from some samples, can replace this with
standard php error messaging */
VOID ErrorExit (LPTSTR lpszMessage)
{
fprintf(stderr, "%s\n", lpszMessage);
ExitProcess(0);
}
/*all these functions are called from DllMain()
in a NON thread safe version, tls_startup and
tls_shutdown should be initiated before anything
else. This will allocate memory for globals.
called at dll load*/
int tls_startup(void){
#if THREAD_SAFE
if ((TlsIndex=TlsAlloc())==0xFFFFFFFF){
return 0;
}
#else
php3_globals=malloc(sizeof(php3_globals));
#endif
return 1;
}
/*called at dll unload*/
int tls_shutdown(void){
#if THREAD_SAFE
if (!TlsFree(TlsIndex)){
return 0;
}
#else
free(php3_globals);
#endif
return 1;
}
#if THREAD_SAFE
/*called at start of thread*/
int tls_create(void){
php3_globals_struct *php3_globals;
php3_globals = (php3_globals_struct *) LocalAlloc(LPTR, sizeof(php3_globals_struct));
if (! TlsSetValue(TlsIndex, (void *) php3_globals))
ErrorExit("TlsSetValue error");
return 1;
}
/*called at end of thread*/
int tls_destroy(void){
php3_globals_struct *php3_globals;
php3_globals = TlsGetValue(TlsIndex);
if (php3_globals != 0)
LocalFree((HLOCAL) php3_globals);
return 1;
}
#endif
/*
accessing data inside a thread
This short function shows how the global struct
is accessed in a function. THREAD_SAFE should
only need to be defined on windows server modules
void thread_safe_access_of_globals(VOID)
{
TLS_VARS;
if ((php3_globals == 0) && (GetLastError() != 0)) {
ErrorExit("TlsGetValue error");
}
}
*/
|
