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
|
/**
* @file llapr.cpp
* @author Phoenix
* @date 2004-11-28
* @brief Helper functions for using the apache portable runtime library.
*
* Copyright (c) 2004-2007, Linden Research, Inc.
*
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
*/
#include "linden_common.h"
#include "llapr.h"
apr_pool_t *gAPRPoolp = NULL; // Global APR memory pool
apr_thread_mutex_t *gLogMutexp = NULL;
void ll_init_apr()
{
if (!gAPRPoolp)
{
// Initialize APR and create the global pool
apr_initialize();
apr_pool_create(&gAPRPoolp, NULL);
// Initialize the logging mutex
apr_thread_mutex_create(&gLogMutexp, APR_THREAD_MUTEX_DEFAULT, gAPRPoolp);
}
}
void ll_cleanup_apr()
{
llinfos << "Cleaning up APR" << llendl;
if (gLogMutexp)
{
// Clean up the logging mutex
// All other threads NEED to be done before we clean up APR, so this is okay.
apr_thread_mutex_destroy(gLogMutexp);
gLogMutexp = NULL;
}
if (gAPRPoolp)
{
apr_pool_destroy(gAPRPoolp);
gAPRPoolp = NULL;
}
apr_terminate();
}
//
// LLScopedLock
//
LLScopedLock::LLScopedLock(apr_thread_mutex_t* mutex) : mMutex(mutex)
{
if(mutex)
{
if(ll_apr_warn_status(apr_thread_mutex_lock(mMutex)))
{
mLocked = false;
}
else
{
mLocked = true;
}
}
else
{
mLocked = false;
}
}
LLScopedLock::~LLScopedLock()
{
unlock();
}
void LLScopedLock::unlock()
{
if(mLocked)
{
if(!ll_apr_warn_status(apr_thread_mutex_unlock(mMutex)))
{
mLocked = false;
}
}
}
//
// Misc functions
//
bool ll_apr_warn_status(apr_status_t status)
{
if(APR_SUCCESS == status) return false;
char buf[MAX_STRING]; /* Flawfinder: ignore */
llwarns << "APR: " << apr_strerror(status, buf, MAX_STRING) << llendl;
return true;
}
void ll_apr_assert_status(apr_status_t status)
{
llassert(ll_apr_warn_status(status) == false);
}
apr_file_t* ll_apr_file_open(const LLString& filename, apr_int32_t flags, S32* sizep)
{
apr_file_t* apr_file;
apr_status_t s;
s = apr_file_open(&apr_file, filename.c_str(), flags, APR_OS_DEFAULT, gAPRPoolp);
if (s != APR_SUCCESS)
{
if (sizep)
{
*sizep = 0;
}
return NULL;
}
if (sizep)
{
S32 file_size = 0;
apr_off_t offset = 0;
if (apr_file_seek(apr_file, APR_END, &offset) == APR_SUCCESS)
{
file_size = (S32)offset;
offset = 0;
apr_file_seek(apr_file, APR_SET, &offset);
}
*sizep = file_size;
}
return apr_file;
}
S32 ll_apr_file_read(apr_file_t* apr_file, void *buf, S32 nbytes)
{
apr_size_t sz = nbytes;
apr_status_t s = apr_file_read(apr_file, buf, &sz);
if (s != APR_SUCCESS)
{
return 0;
}
else
{
return (S32)sz;
}
}
S32 ll_apr_file_write(apr_file_t* apr_file, const void *buf, S32 nbytes)
{
apr_size_t sz = nbytes;
apr_status_t s = apr_file_write(apr_file, buf, &sz);
if (s != APR_SUCCESS)
{
return 0;
}
else
{
return (S32)sz;
}
}
S32 ll_apr_file_seek(apr_file_t* apr_file, apr_seek_where_t where, S32 offset)
{
apr_off_t apr_offset = offset;
apr_status_t s = apr_file_seek(apr_file, where, &apr_offset);
if (s != APR_SUCCESS)
{
return -1;
}
else
{
return (S32)apr_offset;
}
}
bool ll_apr_file_remove(const LLString& filename)
{
apr_status_t s;
s = apr_file_remove(filename.c_str(), gAPRPoolp);
if (s != APR_SUCCESS)
{
llwarns << "ll_apr_file_remove failed on file: " << filename << llendl;
return false;
}
return true;
}
bool ll_apr_file_rename(const LLString& filename, const LLString& newname)
{
apr_status_t s;
s = apr_file_rename(filename.c_str(), newname.c_str(), gAPRPoolp);
if (s != APR_SUCCESS)
{
llwarns << "ll_apr_file_rename failed on file: " << filename << llendl;
return false;
}
return true;
}
|
