cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % RRRR EEEEE SSSSS OOO U U RRRR CCCC EEEEE % |
| 7 | % R R E SS O O U U R R C E % |
| 8 | % RRRR EEE SSS O O U U RRRR C EEE % |
| 9 | % R R E SS O O U U R R C E % |
| 10 | % R R EEEEE SSSSS OOO UUU R R CCCC EEEEE % |
| 11 | % % |
| 12 | % % |
| 13 | % Get/Set MagickCore Resources % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % September 2002 % |
| 18 | % % |
| 19 | % % |
cristy | 45ef08f | 2012-12-07 13:13:34 +0000 | [diff] [blame] | 20 | % Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | */ |
| 38 | |
| 39 | /* |
| 40 | Include declarations. |
| 41 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 42 | #include "MagickCore/studio.h" |
| 43 | #include "MagickCore/cache.h" |
| 44 | #include "MagickCore/configure.h" |
| 45 | #include "MagickCore/exception.h" |
| 46 | #include "MagickCore/exception-private.h" |
| 47 | #include "MagickCore/hashmap.h" |
| 48 | #include "MagickCore/log.h" |
| 49 | #include "MagickCore/image.h" |
| 50 | #include "MagickCore/memory_.h" |
| 51 | #include "MagickCore/option.h" |
| 52 | #include "MagickCore/policy.h" |
| 53 | #include "MagickCore/random_.h" |
| 54 | #include "MagickCore/registry.h" |
| 55 | #include "MagickCore/resource_.h" |
cristy | 0a4d92f | 2011-08-31 19:25:00 +0000 | [diff] [blame] | 56 | #include "MagickCore/resource-private.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 57 | #include "MagickCore/semaphore.h" |
| 58 | #include "MagickCore/signature-private.h" |
| 59 | #include "MagickCore/string_.h" |
| 60 | #include "MagickCore/string-private.h" |
| 61 | #include "MagickCore/splay-tree.h" |
| 62 | #include "MagickCore/thread-private.h" |
| 63 | #include "MagickCore/token.h" |
| 64 | #include "MagickCore/utility.h" |
cristy | d1dd6e4 | 2011-09-04 01:46:08 +0000 | [diff] [blame] | 65 | #include "MagickCore/utility-private.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 66 | |
| 67 | /* |
| 68 | Typedef declarations. |
| 69 | */ |
| 70 | typedef struct _ResourceInfo |
| 71 | { |
| 72 | MagickOffsetType |
| 73 | area, |
| 74 | memory, |
| 75 | map, |
| 76 | disk, |
| 77 | file, |
| 78 | thread, |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 79 | throttle, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 80 | time; |
| 81 | |
| 82 | MagickSizeType |
| 83 | area_limit, |
| 84 | memory_limit, |
| 85 | map_limit, |
| 86 | disk_limit, |
| 87 | file_limit, |
| 88 | thread_limit, |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 89 | throttle_limit, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 90 | time_limit; |
| 91 | } ResourceInfo; |
| 92 | |
| 93 | /* |
| 94 | Global declarations. |
| 95 | */ |
| 96 | static RandomInfo |
| 97 | *random_info = (RandomInfo *) NULL; |
| 98 | |
| 99 | static ResourceInfo |
| 100 | resource_info = |
| 101 | { |
cristy | e3e3d7a | 2013-03-17 12:54:36 +0000 | [diff] [blame] | 102 | MagickULLConstant(0), /* initial area */ |
| 103 | MagickULLConstant(0), /* initial memory */ |
| 104 | MagickULLConstant(0), /* initial map */ |
| 105 | MagickULLConstant(0), /* initial disk */ |
| 106 | MagickULLConstant(0), /* initial file */ |
| 107 | MagickULLConstant(0), /* initial thread */ |
| 108 | MagickULLConstant(0), /* initial throttle */ |
| 109 | MagickULLConstant(0), /* initial time */ |
| 110 | MagickULLConstant(3072)*1024*1024, /* area limit */ |
| 111 | MagickULLConstant(1536)*1024*1024, /* memory limit */ |
| 112 | MagickULLConstant(3072)*1024*1024, /* map limit */ |
| 113 | MagickResourceInfinity, /* disk limit */ |
| 114 | MagickULLConstant(768), /* file limit */ |
| 115 | MagickULLConstant(1), /* thread limit */ |
| 116 | MagickULLConstant(0), /* throttle limit */ |
| 117 | MagickResourceInfinity /* time limit */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 118 | }; |
| 119 | |
| 120 | static SemaphoreInfo |
| 121 | *resource_semaphore = (SemaphoreInfo *) NULL; |
| 122 | |
| 123 | static SplayTreeInfo |
| 124 | *temporary_resources = (SplayTreeInfo *) NULL; |
| 125 | |
| 126 | /* |
| 127 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 128 | % % |
| 129 | % % |
| 130 | % % |
| 131 | % A c q u i r e M a g i c k R e s o u r c e % |
| 132 | % % |
| 133 | % % |
| 134 | % % |
| 135 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 136 | % |
| 137 | % AcquireMagickResource() acquires resources of the specified type. |
| 138 | % MagickFalse is returned if the specified resource is exhausted otherwise |
| 139 | % MagickTrue. |
| 140 | % |
| 141 | % The format of the AcquireMagickResource() method is: |
| 142 | % |
| 143 | % MagickBooleanType AcquireMagickResource(const ResourceType type, |
| 144 | % const MagickSizeType size) |
| 145 | % |
| 146 | % A description of each parameter follows: |
| 147 | % |
| 148 | % o type: the type of resource. |
| 149 | % |
| 150 | % o size: the number of bytes needed from for this resource. |
| 151 | % |
| 152 | */ |
| 153 | MagickExport MagickBooleanType AcquireMagickResource(const ResourceType type, |
| 154 | const MagickSizeType size) |
| 155 | { |
| 156 | char |
| 157 | resource_current[MaxTextExtent], |
| 158 | resource_limit[MaxTextExtent], |
| 159 | resource_request[MaxTextExtent]; |
| 160 | |
| 161 | MagickBooleanType |
| 162 | status; |
| 163 | |
| 164 | MagickSizeType |
| 165 | limit; |
| 166 | |
| 167 | status=MagickFalse; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 168 | (void) FormatMagickSize(size,MagickFalse,resource_request); |
cristy | 18b1744 | 2009-10-25 18:36:48 +0000 | [diff] [blame] | 169 | if (resource_semaphore == (SemaphoreInfo *) NULL) |
| 170 | AcquireSemaphoreInfo(&resource_semaphore); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 171 | LockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 172 | switch (type) |
| 173 | { |
| 174 | case AreaResource: |
| 175 | { |
| 176 | resource_info.area=(MagickOffsetType) size; |
| 177 | limit=resource_info.area_limit; |
| 178 | status=(resource_info.area_limit == MagickResourceInfinity) || |
| 179 | (size < limit) ? MagickTrue : MagickFalse; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 180 | (void) FormatMagickSize((MagickSizeType) resource_info.area,MagickFalse, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 181 | resource_current); |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 182 | (void) FormatMagickSize(resource_info.area_limit,MagickFalse, |
| 183 | resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 184 | break; |
| 185 | } |
| 186 | case MemoryResource: |
| 187 | { |
| 188 | resource_info.memory+=size; |
| 189 | limit=resource_info.memory_limit; |
| 190 | status=(resource_info.memory_limit == MagickResourceInfinity) || |
cristy | a86d361 | 2012-12-14 14:47:26 +0000 | [diff] [blame] | 191 | ((MagickSizeType) resource_info.memory < limit) ? MagickTrue : |
| 192 | MagickFalse; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 193 | (void) FormatMagickSize((MagickSizeType) resource_info.memory,MagickTrue, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 194 | resource_current); |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 195 | (void) FormatMagickSize(resource_info.memory_limit,MagickTrue, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 196 | resource_limit); |
| 197 | break; |
| 198 | } |
| 199 | case MapResource: |
| 200 | { |
| 201 | resource_info.map+=size; |
| 202 | limit=resource_info.map_limit; |
| 203 | status=(resource_info.map_limit == MagickResourceInfinity) || |
cristy | a86d361 | 2012-12-14 14:47:26 +0000 | [diff] [blame] | 204 | ((MagickSizeType) resource_info.map < limit) ? MagickTrue : MagickFalse; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 205 | (void) FormatMagickSize((MagickSizeType) resource_info.map,MagickTrue, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 206 | resource_current); |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 207 | (void) FormatMagickSize(resource_info.map_limit,MagickTrue, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 208 | resource_limit); |
| 209 | break; |
| 210 | } |
| 211 | case DiskResource: |
| 212 | { |
| 213 | resource_info.disk+=size; |
| 214 | limit=resource_info.disk_limit; |
| 215 | status=(resource_info.disk_limit == MagickResourceInfinity) || |
cristy | a86d361 | 2012-12-14 14:47:26 +0000 | [diff] [blame] | 216 | ((MagickSizeType) resource_info.disk < limit) ? MagickTrue : |
| 217 | MagickFalse; |
cristy | 518d13d | 2011-01-04 15:25:24 +0000 | [diff] [blame] | 218 | (void) FormatMagickSize((MagickSizeType) resource_info.disk,MagickTrue, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 219 | resource_current); |
cristy | 518d13d | 2011-01-04 15:25:24 +0000 | [diff] [blame] | 220 | (void) FormatMagickSize(resource_info.disk_limit,MagickTrue, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 221 | resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 222 | break; |
| 223 | } |
| 224 | case FileResource: |
| 225 | { |
| 226 | resource_info.file+=size; |
| 227 | limit=resource_info.file_limit; |
| 228 | status=(resource_info.file_limit == MagickResourceInfinity) || |
| 229 | ((MagickSizeType) resource_info.file < limit) ? |
| 230 | MagickTrue : MagickFalse; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 231 | (void) FormatMagickSize((MagickSizeType) resource_info.file,MagickFalse, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 232 | resource_current); |
| 233 | (void) FormatMagickSize((MagickSizeType) resource_info.file_limit, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 234 | MagickFalse,resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 235 | break; |
| 236 | } |
| 237 | case ThreadResource: |
| 238 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 239 | limit=resource_info.thread_limit; |
| 240 | status=(resource_info.thread_limit == MagickResourceInfinity) || |
| 241 | ((MagickSizeType) resource_info.thread < limit) ? |
| 242 | MagickTrue : MagickFalse; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 243 | (void) FormatMagickSize((MagickSizeType) resource_info.thread,MagickFalse, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 244 | resource_current); |
| 245 | (void) FormatMagickSize((MagickSizeType) resource_info.thread_limit, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 246 | MagickFalse,resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 247 | break; |
| 248 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 249 | case ThrottleResource: |
| 250 | { |
| 251 | limit=resource_info.throttle_limit; |
| 252 | status=(resource_info.throttle_limit == MagickResourceInfinity) || |
| 253 | ((MagickSizeType) resource_info.throttle < limit) ? |
| 254 | MagickTrue : MagickFalse; |
| 255 | (void) FormatMagickSize((MagickSizeType) resource_info.throttle, |
| 256 | MagickFalse,resource_current); |
| 257 | (void) FormatMagickSize((MagickSizeType) resource_info.throttle_limit, |
| 258 | MagickFalse,resource_limit); |
| 259 | break; |
| 260 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 261 | case TimeResource: |
| 262 | { |
| 263 | resource_info.time+=size; |
| 264 | limit=resource_info.time_limit; |
| 265 | status=(resource_info.time_limit == MagickResourceInfinity) || |
| 266 | ((MagickSizeType) resource_info.time < limit) ? |
| 267 | MagickTrue : MagickFalse; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 268 | (void) FormatMagickSize((MagickSizeType) resource_info.time,MagickFalse, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 269 | resource_current); |
| 270 | (void) FormatMagickSize((MagickSizeType) resource_info.time_limit, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 271 | MagickFalse,resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 272 | break; |
| 273 | } |
| 274 | default: |
| 275 | break; |
| 276 | } |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 277 | UnlockSemaphoreInfo(resource_semaphore); |
cristy | 9bfdd58 | 2010-10-23 01:27:25 +0000 | [diff] [blame] | 278 | (void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s: %s/%s/%s", |
cristy | 042ee78 | 2011-04-22 18:48:30 +0000 | [diff] [blame] | 279 | CommandOptionToMnemonic(MagickResourceOptions,(ssize_t) type), |
cristy | a21afde | 2010-07-02 00:45:40 +0000 | [diff] [blame] | 280 | resource_request,resource_current,resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 281 | return(status); |
| 282 | } |
| 283 | |
| 284 | /* |
| 285 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 286 | % % |
| 287 | % % |
| 288 | % % |
cristy | cfffdac | 2010-09-30 03:05:09 +0000 | [diff] [blame] | 289 | + A s y n c h r o n o u s R e s o u r c e C o m p o n e n t T e r m i n u s % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 290 | % % |
| 291 | % % |
| 292 | % % |
| 293 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 294 | % |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 295 | % AsynchronousResourceComponentTerminus() destroys the resource environment. |
| 296 | % It differs from ResourceComponentTerminus() in that it can be called from a |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 297 | % asynchronous signal handler. |
| 298 | % |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 299 | % The format of the ResourceComponentTerminus() method is: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 300 | % |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 301 | % ResourceComponentTerminus(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 302 | % |
| 303 | */ |
cristy | 0a4d92f | 2011-08-31 19:25:00 +0000 | [diff] [blame] | 304 | MagickPrivate void AsynchronousResourceComponentTerminus(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 305 | { |
| 306 | const char |
| 307 | *path; |
| 308 | |
| 309 | if (temporary_resources == (SplayTreeInfo *) NULL) |
| 310 | return; |
| 311 | /* |
| 312 | Remove any lingering temporary files. |
| 313 | */ |
| 314 | ResetSplayTreeIterator(temporary_resources); |
| 315 | path=(const char *) GetNextKeyInSplayTree(temporary_resources); |
| 316 | while (path != (const char *) NULL) |
| 317 | { |
cristy | 5986456 | 2013-04-18 11:47:41 +0000 | [diff] [blame] | 318 | (void) ShredFile(path); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 319 | path=(const char *) GetNextKeyInSplayTree(temporary_resources); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | /* |
| 324 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 325 | % % |
| 326 | % % |
| 327 | % % |
| 328 | % A c q u i r e U n i q u e F i l e R e s o u r c e % |
| 329 | % % |
| 330 | % % |
| 331 | % % |
| 332 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 333 | % |
| 334 | % AcquireUniqueFileResource() returns a unique file name, and returns a file |
| 335 | % descriptor for the file open for reading and writing. |
| 336 | % |
| 337 | % The format of the AcquireUniqueFileResource() method is: |
| 338 | % |
| 339 | % int AcquireUniqueFileResource(char *path) |
| 340 | % |
| 341 | % A description of each parameter follows: |
| 342 | % |
| 343 | % o path: Specifies a pointer to an array of characters. The unique path |
| 344 | % name is returned in this array. |
| 345 | % |
| 346 | */ |
| 347 | |
| 348 | static void *DestroyTemporaryResources(void *temporary_resource) |
| 349 | { |
cristy | 5986456 | 2013-04-18 11:47:41 +0000 | [diff] [blame] | 350 | (void) ShredFile((char *) temporary_resource); |
cristy | cfbec6a | 2010-09-28 18:27:51 +0000 | [diff] [blame] | 351 | temporary_resource=DestroyString((char *) temporary_resource); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 352 | return((void *) NULL); |
| 353 | } |
| 354 | |
glennrp | 4084cda | 2012-12-11 14:13:35 +0000 | [diff] [blame] | 355 | MagickExport MagickBooleanType GetPathTemplate(char *path) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 356 | { |
| 357 | char |
cristy | 86c8d8a | 2012-11-28 12:50:22 +0000 | [diff] [blame] | 358 | *directory, |
| 359 | *value; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 360 | |
| 361 | ExceptionInfo |
| 362 | *exception; |
| 363 | |
| 364 | MagickBooleanType |
| 365 | status; |
| 366 | |
| 367 | register char |
| 368 | *p; |
| 369 | |
| 370 | struct stat |
| 371 | attributes; |
| 372 | |
cristy | 65a933a | 2012-10-18 11:58:05 +0000 | [diff] [blame] | 373 | (void) FormatLocaleString(path,MaxTextExtent,"magick-%.20gXXXXXXXXXXXX", |
cristy | 3080b91 | 2012-10-17 13:23:44 +0000 | [diff] [blame] | 374 | (double) getpid()); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 375 | exception=AcquireExceptionInfo(); |
| 376 | directory=(char *) GetImageRegistry(StringRegistryType,"temporary-path", |
| 377 | exception); |
| 378 | exception=DestroyExceptionInfo(exception); |
| 379 | if (directory == (char *) NULL) |
| 380 | directory=GetEnvironmentValue("MAGICK_TEMPORARY_PATH"); |
| 381 | if (directory == (char *) NULL) |
| 382 | directory=GetEnvironmentValue("MAGICK_TMPDIR"); |
| 383 | if (directory == (char *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 384 | directory=GetEnvironmentValue("TMPDIR"); |
cristy | 0157aea | 2010-04-24 21:12:18 +0000 | [diff] [blame] | 385 | #if defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__OS2__) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 386 | if (directory == (char *) NULL) |
| 387 | directory=GetEnvironmentValue("TMP"); |
| 388 | if (directory == (char *) NULL) |
| 389 | directory=GetEnvironmentValue("TEMP"); |
| 390 | #endif |
| 391 | #if defined(__VMS) |
| 392 | if (directory == (char *) NULL) |
| 393 | directory=GetEnvironmentValue("MTMPDIR"); |
| 394 | #endif |
| 395 | #if defined(P_tmpdir) |
| 396 | if (directory == (char *) NULL) |
| 397 | directory=ConstantString(P_tmpdir); |
| 398 | #endif |
| 399 | if (directory == (char *) NULL) |
| 400 | return(MagickTrue); |
cristy | 86c8d8a | 2012-11-28 12:50:22 +0000 | [diff] [blame] | 401 | value=GetPolicyValue("temporary-path"); |
| 402 | if (value != (char *) NULL) |
| 403 | (void) CloneString(&directory,value); |
cristy | cdb573d | 2012-10-18 11:55:05 +0000 | [diff] [blame] | 404 | if (strlen(directory) > (MaxTextExtent-25)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 405 | { |
| 406 | directory=DestroyString(directory); |
cristy | 86c8d8a | 2012-11-28 12:50:22 +0000 | [diff] [blame] | 407 | return(MagickFalse); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 408 | } |
| 409 | status=GetPathAttributes(directory,&attributes); |
| 410 | if ((status == MagickFalse) || !S_ISDIR(attributes.st_mode)) |
| 411 | { |
| 412 | directory=DestroyString(directory); |
cristy | 86c8d8a | 2012-11-28 12:50:22 +0000 | [diff] [blame] | 413 | return(MagickFalse); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 414 | } |
| 415 | if (directory[strlen(directory)-1] == *DirectorySeparator) |
cristy | 65a933a | 2012-10-18 11:58:05 +0000 | [diff] [blame] | 416 | (void) FormatLocaleString(path,MaxTextExtent,"%smagick-%.20gXXXXXXXXXXXX", |
cristy | 3080b91 | 2012-10-17 13:23:44 +0000 | [diff] [blame] | 417 | directory,(double) getpid()); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 418 | else |
cristy | 65a933a | 2012-10-18 11:58:05 +0000 | [diff] [blame] | 419 | (void) FormatLocaleString(path,MaxTextExtent,"%s%smagick-%.20gXXXXXXXXXXXX", |
| 420 | directory,DirectorySeparator,(double) getpid()); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 421 | directory=DestroyString(directory); |
| 422 | if (*DirectorySeparator != '/') |
| 423 | for (p=path; *p != '\0'; p++) |
| 424 | if (*p == *DirectorySeparator) |
| 425 | *p='/'; |
| 426 | return(MagickTrue); |
| 427 | } |
| 428 | |
| 429 | MagickExport int AcquireUniqueFileResource(char *path) |
| 430 | { |
| 431 | #if !defined(O_NOFOLLOW) |
| 432 | #define O_NOFOLLOW 0 |
| 433 | #endif |
| 434 | #if !defined(TMP_MAX) |
| 435 | # define TMP_MAX 238328 |
| 436 | #endif |
| 437 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 438 | int |
| 439 | c, |
| 440 | file; |
| 441 | |
| 442 | register char |
| 443 | *p; |
| 444 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 445 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 446 | i; |
| 447 | |
| 448 | static const char |
| 449 | portable_filename[65] = |
| 450 | "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-"; |
| 451 | |
| 452 | StringInfo |
| 453 | *key; |
| 454 | |
| 455 | unsigned char |
| 456 | *datum; |
| 457 | |
| 458 | assert(path != (char *) NULL); |
| 459 | (void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path); |
| 460 | if (random_info == (RandomInfo *) NULL) |
| 461 | random_info=AcquireRandomInfo(); |
| 462 | file=(-1); |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 463 | for (i=0; i < (ssize_t) TMP_MAX; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 464 | { |
| 465 | /* |
| 466 | Get temporary pathname. |
| 467 | */ |
| 468 | (void) GetPathTemplate(path); |
cristy | cb8cea7 | 2012-10-18 12:06:29 +0000 | [diff] [blame] | 469 | key=GetRandomKey(random_info,6); |
cristy | cdb573d | 2012-10-18 11:55:05 +0000 | [diff] [blame] | 470 | p=path+strlen(path)-12; |
cristy | 59ca45d | 2011-02-03 14:54:57 +0000 | [diff] [blame] | 471 | datum=GetStringInfoDatum(key); |
| 472 | for (i=0; i < (ssize_t) GetStringInfoLength(key); i++) |
| 473 | { |
| 474 | c=(int) (datum[i] & 0x3f); |
| 475 | *p++=portable_filename[c]; |
| 476 | } |
| 477 | key=DestroyStringInfo(key); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 478 | #if defined(MAGICKCORE_HAVE_MKSTEMP) |
| 479 | file=mkstemp(path); |
| 480 | #if defined(__OS2__) |
| 481 | setmode(file,O_BINARY); |
| 482 | #endif |
| 483 | if (file != -1) |
| 484 | break; |
| 485 | #endif |
cristy | cdb573d | 2012-10-18 11:55:05 +0000 | [diff] [blame] | 486 | key=GetRandomKey(random_info,12); |
| 487 | p=path+strlen(path)-12; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 488 | datum=GetStringInfoDatum(key); |
cristy | 59ca45d | 2011-02-03 14:54:57 +0000 | [diff] [blame] | 489 | for (i=0; i < (ssize_t) GetStringInfoLength(key); i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 490 | { |
| 491 | c=(int) (datum[i] & 0x3f); |
| 492 | *p++=portable_filename[c]; |
| 493 | } |
| 494 | key=DestroyStringInfo(key); |
cristy | cdb573d | 2012-10-18 11:55:05 +0000 | [diff] [blame] | 495 | file=open_utf8(path,O_RDWR | O_CREAT | O_EXCL | O_BINARY | O_NOFOLLOW, |
| 496 | S_MODE); |
cristy | 59ca45d | 2011-02-03 14:54:57 +0000 | [diff] [blame] | 497 | if ((file >= 0) || (errno != EEXIST)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 498 | break; |
| 499 | } |
| 500 | (void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path); |
| 501 | if (file == -1) |
| 502 | return(file); |
cristy | 18b1744 | 2009-10-25 18:36:48 +0000 | [diff] [blame] | 503 | if (resource_semaphore == (SemaphoreInfo *) NULL) |
| 504 | AcquireSemaphoreInfo(&resource_semaphore); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 505 | LockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 506 | if (temporary_resources == (SplayTreeInfo *) NULL) |
| 507 | temporary_resources=NewSplayTree(CompareSplayTreeString, |
cristy | f77fa46 | 2010-09-28 18:35:53 +0000 | [diff] [blame] | 508 | DestroyTemporaryResources,(void *(*)(void *)) NULL); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 509 | UnlockSemaphoreInfo(resource_semaphore); |
cristy | cfbec6a | 2010-09-28 18:27:51 +0000 | [diff] [blame] | 510 | (void) AddValueToSplayTree(temporary_resources,ConstantString(path), |
cristy | f77fa46 | 2010-09-28 18:35:53 +0000 | [diff] [blame] | 511 | (const void *) NULL); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 512 | return(file); |
| 513 | } |
| 514 | |
| 515 | /* |
| 516 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 517 | % % |
| 518 | % % |
| 519 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 520 | % G e t M a g i c k R e s o u r c e % |
| 521 | % % |
| 522 | % % |
| 523 | % % |
| 524 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 525 | % |
| 526 | % GetMagickResource() returns the specified resource. |
| 527 | % |
| 528 | % The format of the GetMagickResource() method is: |
| 529 | % |
| 530 | % MagickSizeType GetMagickResource(const ResourceType type) |
| 531 | % |
| 532 | % A description of each parameter follows: |
| 533 | % |
| 534 | % o type: the type of resource. |
| 535 | % |
| 536 | */ |
| 537 | MagickExport MagickSizeType GetMagickResource(const ResourceType type) |
| 538 | { |
| 539 | MagickSizeType |
| 540 | resource; |
| 541 | |
| 542 | resource=0; |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 543 | LockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 544 | switch (type) |
| 545 | { |
| 546 | case AreaResource: |
| 547 | { |
| 548 | resource=(MagickSizeType) resource_info.area; |
| 549 | break; |
| 550 | } |
| 551 | case MemoryResource: |
| 552 | { |
| 553 | resource=(MagickSizeType) resource_info.memory; |
| 554 | break; |
| 555 | } |
| 556 | case MapResource: |
| 557 | { |
| 558 | resource=(MagickSizeType) resource_info.map; |
| 559 | break; |
| 560 | } |
| 561 | case DiskResource: |
| 562 | { |
| 563 | resource=(MagickSizeType) resource_info.disk; |
| 564 | break; |
| 565 | } |
| 566 | case FileResource: |
| 567 | { |
| 568 | resource=(MagickSizeType) resource_info.file; |
| 569 | break; |
| 570 | } |
| 571 | case ThreadResource: |
| 572 | { |
| 573 | resource=(MagickSizeType) resource_info.thread; |
| 574 | break; |
| 575 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 576 | case ThrottleResource: |
| 577 | { |
| 578 | resource=(MagickSizeType) resource_info.throttle; |
| 579 | break; |
| 580 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 581 | case TimeResource: |
| 582 | { |
| 583 | resource=(MagickSizeType) resource_info.time; |
| 584 | break; |
| 585 | } |
| 586 | default: |
| 587 | break; |
| 588 | } |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 589 | UnlockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 590 | return(resource); |
| 591 | } |
| 592 | |
| 593 | /* |
| 594 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 595 | % % |
| 596 | % % |
| 597 | % % |
| 598 | % G e t M a g i c k R e s o u r c e L i m i t % |
| 599 | % % |
| 600 | % % |
| 601 | % % |
| 602 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 603 | % |
cristy | 7a40ba8 | 2011-01-08 20:31:18 +0000 | [diff] [blame] | 604 | % GetMagickResourceLimit() returns the specified resource limit. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 605 | % |
| 606 | % The format of the GetMagickResourceLimit() method is: |
| 607 | % |
cristy | 50a1092 | 2010-02-15 18:35:25 +0000 | [diff] [blame] | 608 | % MagickSizeType GetMagickResourceLimit(const ResourceType type) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 609 | % |
| 610 | % A description of each parameter follows: |
| 611 | % |
| 612 | % o type: the type of resource. |
| 613 | % |
| 614 | */ |
| 615 | MagickExport MagickSizeType GetMagickResourceLimit(const ResourceType type) |
| 616 | { |
| 617 | MagickSizeType |
| 618 | resource; |
| 619 | |
| 620 | resource=0; |
cristy | 18b1744 | 2009-10-25 18:36:48 +0000 | [diff] [blame] | 621 | if (resource_semaphore == (SemaphoreInfo *) NULL) |
| 622 | AcquireSemaphoreInfo(&resource_semaphore); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 623 | LockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 624 | switch (type) |
| 625 | { |
| 626 | case AreaResource: |
| 627 | { |
| 628 | resource=resource_info.area_limit; |
| 629 | break; |
| 630 | } |
| 631 | case MemoryResource: |
| 632 | { |
| 633 | resource=resource_info.memory_limit; |
| 634 | break; |
| 635 | } |
| 636 | case MapResource: |
| 637 | { |
| 638 | resource=resource_info.map_limit; |
| 639 | break; |
| 640 | } |
| 641 | case DiskResource: |
| 642 | { |
| 643 | resource=resource_info.disk_limit; |
| 644 | break; |
| 645 | } |
| 646 | case FileResource: |
| 647 | { |
| 648 | resource=resource_info.file_limit; |
| 649 | break; |
| 650 | } |
| 651 | case ThreadResource: |
| 652 | { |
| 653 | resource=resource_info.thread_limit; |
| 654 | break; |
| 655 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 656 | case ThrottleResource: |
| 657 | { |
| 658 | resource=resource_info.throttle_limit; |
| 659 | break; |
| 660 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 661 | case TimeResource: |
| 662 | { |
| 663 | resource=resource_info.time_limit; |
| 664 | break; |
| 665 | } |
| 666 | default: |
| 667 | break; |
| 668 | } |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 669 | UnlockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 670 | return(resource); |
| 671 | } |
| 672 | |
| 673 | /* |
| 674 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 675 | % % |
| 676 | % % |
| 677 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 678 | % L i s t M a g i c k R e s o u r c e I n f o % |
| 679 | % % |
| 680 | % % |
| 681 | % % |
| 682 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 683 | % |
| 684 | % ListMagickResourceInfo() lists the resource info to a file. |
| 685 | % |
| 686 | % The format of the ListMagickResourceInfo method is: |
| 687 | % |
| 688 | % MagickBooleanType ListMagickResourceInfo(FILE *file, |
| 689 | % ExceptionInfo *exception) |
| 690 | % |
| 691 | % A description of each parameter follows. |
| 692 | % |
| 693 | % o file: An pointer to a FILE. |
| 694 | % |
| 695 | % o exception: return any errors or warnings in this structure. |
| 696 | % |
| 697 | */ |
| 698 | MagickExport MagickBooleanType ListMagickResourceInfo(FILE *file, |
| 699 | ExceptionInfo *magick_unused(exception)) |
| 700 | { |
| 701 | char |
| 702 | area_limit[MaxTextExtent], |
| 703 | disk_limit[MaxTextExtent], |
| 704 | map_limit[MaxTextExtent], |
| 705 | memory_limit[MaxTextExtent], |
| 706 | time_limit[MaxTextExtent]; |
| 707 | |
| 708 | if (file == (const FILE *) NULL) |
| 709 | file=stdout; |
cristy | 18b1744 | 2009-10-25 18:36:48 +0000 | [diff] [blame] | 710 | if (resource_semaphore == (SemaphoreInfo *) NULL) |
| 711 | AcquireSemaphoreInfo(&resource_semaphore); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 712 | LockSemaphoreInfo(resource_semaphore); |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 713 | (void) FormatMagickSize(resource_info.area_limit,MagickFalse,area_limit); |
| 714 | (void) FormatMagickSize(resource_info.memory_limit,MagickTrue,memory_limit); |
| 715 | (void) FormatMagickSize(resource_info.map_limit,MagickTrue,map_limit); |
cristy | 9bfdd58 | 2010-10-23 01:27:25 +0000 | [diff] [blame] | 716 | (void) CopyMagickString(disk_limit,"unlimited",MaxTextExtent); |
| 717 | if (resource_info.disk_limit != MagickResourceInfinity) |
cristy | 518d13d | 2011-01-04 15:25:24 +0000 | [diff] [blame] | 718 | (void) FormatMagickSize(resource_info.disk_limit,MagickTrue,disk_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 719 | (void) CopyMagickString(time_limit,"unlimited",MaxTextExtent); |
| 720 | if (resource_info.time_limit != MagickResourceInfinity) |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 721 | (void) FormatLocaleString(time_limit,MaxTextExtent,"%.20g",(double) |
cristy | 54ea573 | 2011-06-10 12:39:53 +0000 | [diff] [blame] | 722 | ((MagickOffsetType) resource_info.time_limit)); |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 723 | (void) FormatLocaleFile(file," File Area Memory Map" |
| 724 | " Disk Thread Throttle Time\n"); |
cristy | 1e60481 | 2011-05-19 18:07:50 +0000 | [diff] [blame] | 725 | (void) FormatLocaleFile(file, |
| 726 | "--------------------------------------------------------" |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 727 | "------------------------\n"); |
| 728 | (void) FormatLocaleFile(file,"%6g %10s %10s %10s %10s %8g %8g %10s\n", |
cristy | 54ea573 | 2011-06-10 12:39:53 +0000 | [diff] [blame] | 729 | (double) ((MagickOffsetType) resource_info.file_limit),area_limit, |
| 730 | memory_limit,map_limit,disk_limit,(double) ((MagickOffsetType) |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 731 | resource_info.thread_limit),(double) ((MagickOffsetType) |
| 732 | resource_info.throttle_limit),time_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 733 | (void) fflush(file); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 734 | UnlockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 735 | return(MagickTrue); |
| 736 | } |
| 737 | |
| 738 | /* |
| 739 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 740 | % % |
| 741 | % % |
| 742 | % % |
| 743 | % R e l i n q u i s h M a g i c k R e s o u r c e % |
| 744 | % % |
| 745 | % % |
| 746 | % % |
| 747 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 748 | % |
| 749 | % RelinquishMagickResource() relinquishes resources of the specified type. |
| 750 | % |
| 751 | % The format of the RelinquishMagickResource() method is: |
| 752 | % |
| 753 | % void RelinquishMagickResource(const ResourceType type, |
| 754 | % const MagickSizeType size) |
| 755 | % |
| 756 | % A description of each parameter follows: |
| 757 | % |
| 758 | % o type: the type of resource. |
| 759 | % |
| 760 | % o size: the size of the resource. |
| 761 | % |
| 762 | */ |
| 763 | MagickExport void RelinquishMagickResource(const ResourceType type, |
| 764 | const MagickSizeType size) |
| 765 | { |
| 766 | char |
| 767 | resource_current[MaxTextExtent], |
| 768 | resource_limit[MaxTextExtent], |
| 769 | resource_request[MaxTextExtent]; |
| 770 | |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 771 | (void) FormatMagickSize(size,MagickFalse,resource_request); |
cristy | 18b1744 | 2009-10-25 18:36:48 +0000 | [diff] [blame] | 772 | if (resource_semaphore == (SemaphoreInfo *) NULL) |
| 773 | AcquireSemaphoreInfo(&resource_semaphore); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 774 | LockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 775 | switch (type) |
| 776 | { |
| 777 | case AreaResource: |
| 778 | { |
| 779 | resource_info.area=(MagickOffsetType) size; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 780 | (void) FormatMagickSize((MagickSizeType) resource_info.area,MagickFalse, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 781 | resource_current); |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 782 | (void) FormatMagickSize(resource_info.area_limit,MagickFalse, |
| 783 | resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 784 | break; |
| 785 | } |
| 786 | case MemoryResource: |
| 787 | { |
| 788 | resource_info.memory-=size; |
| 789 | (void) FormatMagickSize((MagickSizeType) resource_info.memory, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 790 | MagickTrue,resource_current); |
| 791 | (void) FormatMagickSize(resource_info.memory_limit,MagickTrue, |
| 792 | resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 793 | break; |
| 794 | } |
| 795 | case MapResource: |
| 796 | { |
| 797 | resource_info.map-=size; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 798 | (void) FormatMagickSize((MagickSizeType) resource_info.map,MagickTrue, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 799 | resource_current); |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 800 | (void) FormatMagickSize(resource_info.map_limit,MagickTrue, |
| 801 | resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 802 | break; |
| 803 | } |
| 804 | case DiskResource: |
| 805 | { |
| 806 | resource_info.disk-=size; |
cristy | 518d13d | 2011-01-04 15:25:24 +0000 | [diff] [blame] | 807 | (void) FormatMagickSize((MagickSizeType) resource_info.disk,MagickTrue, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 808 | resource_current); |
cristy | 518d13d | 2011-01-04 15:25:24 +0000 | [diff] [blame] | 809 | (void) FormatMagickSize(resource_info.disk_limit,MagickTrue, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 810 | resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 811 | break; |
| 812 | } |
| 813 | case FileResource: |
| 814 | { |
| 815 | resource_info.file-=size; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 816 | (void) FormatMagickSize((MagickSizeType) resource_info.file,MagickFalse, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 817 | resource_current); |
| 818 | (void) FormatMagickSize((MagickSizeType) resource_info.file_limit, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 819 | MagickFalse,resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 820 | break; |
| 821 | } |
| 822 | case ThreadResource: |
| 823 | { |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 824 | (void) FormatMagickSize((MagickSizeType) resource_info.thread,MagickFalse, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 825 | resource_current); |
| 826 | (void) FormatMagickSize((MagickSizeType) resource_info.thread_limit, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 827 | MagickFalse,resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 828 | break; |
| 829 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 830 | case ThrottleResource: |
| 831 | { |
| 832 | (void) FormatMagickSize((MagickSizeType) resource_info.throttle, |
| 833 | MagickFalse,resource_current); |
| 834 | (void) FormatMagickSize((MagickSizeType) resource_info.throttle_limit, |
| 835 | MagickFalse,resource_limit); |
| 836 | break; |
| 837 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 838 | case TimeResource: |
| 839 | { |
| 840 | resource_info.time-=size; |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 841 | (void) FormatMagickSize((MagickSizeType) resource_info.time,MagickFalse, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 842 | resource_current); |
| 843 | (void) FormatMagickSize((MagickSizeType) resource_info.time_limit, |
cristy | b9080c9 | 2009-12-01 20:13:26 +0000 | [diff] [blame] | 844 | MagickFalse,resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 845 | break; |
| 846 | } |
| 847 | default: |
| 848 | break; |
| 849 | } |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 850 | UnlockSemaphoreInfo(resource_semaphore); |
cristy | 9bfdd58 | 2010-10-23 01:27:25 +0000 | [diff] [blame] | 851 | (void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s: %s/%s/%s", |
cristy | 042ee78 | 2011-04-22 18:48:30 +0000 | [diff] [blame] | 852 | CommandOptionToMnemonic(MagickResourceOptions,(ssize_t) type), |
cristy | a21afde | 2010-07-02 00:45:40 +0000 | [diff] [blame] | 853 | resource_request,resource_current,resource_limit); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 854 | } |
| 855 | |
| 856 | /* |
| 857 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 858 | % % |
| 859 | % % |
| 860 | % % |
| 861 | % R e l i n q u i s h U n i q u e F i l e R e s o u r c e % |
| 862 | % % |
| 863 | % % |
| 864 | % % |
| 865 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 866 | % |
| 867 | % RelinquishUniqueFileResource() relinquishes a unique file resource. |
| 868 | % |
| 869 | % The format of the RelinquishUniqueFileResource() method is: |
| 870 | % |
| 871 | % MagickBooleanType RelinquishUniqueFileResource(const char *path) |
| 872 | % |
| 873 | % A description of each parameter follows: |
| 874 | % |
| 875 | % o name: the name of the temporary resource. |
| 876 | % |
| 877 | */ |
| 878 | MagickExport MagickBooleanType RelinquishUniqueFileResource(const char *path) |
| 879 | { |
| 880 | char |
| 881 | cache_path[MaxTextExtent]; |
| 882 | |
| 883 | assert(path != (const char *) NULL); |
| 884 | (void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path); |
| 885 | if (temporary_resources != (SplayTreeInfo *) NULL) |
| 886 | { |
| 887 | register char |
| 888 | *p; |
| 889 | |
| 890 | ResetSplayTreeIterator(temporary_resources); |
| 891 | p=(char *) GetNextKeyInSplayTree(temporary_resources); |
| 892 | while (p != (char *) NULL) |
| 893 | { |
| 894 | if (LocaleCompare(p,path) == 0) |
| 895 | break; |
| 896 | p=(char *) GetNextKeyInSplayTree(temporary_resources); |
| 897 | } |
| 898 | if (p != (char *) NULL) |
| 899 | (void) DeleteNodeFromSplayTree(temporary_resources,p); |
| 900 | } |
| 901 | (void) CopyMagickString(cache_path,path,MaxTextExtent); |
| 902 | AppendImageFormat("cache",cache_path); |
cristy | 5986456 | 2013-04-18 11:47:41 +0000 | [diff] [blame] | 903 | (void) ShredFile(cache_path); |
| 904 | return(ShredFile(path)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 905 | } |
| 906 | |
| 907 | /* |
| 908 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 909 | % % |
| 910 | % % |
| 911 | % % |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 912 | + R e s o u r c e C o m p o n e n t G e n e s i s % |
| 913 | % % |
| 914 | % % |
| 915 | % % |
| 916 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 917 | % |
| 918 | % ResourceComponentGenesis() instantiates the resource component. |
| 919 | % |
| 920 | % The format of the ResourceComponentGenesis method is: |
| 921 | % |
| 922 | % MagickBooleanType ResourceComponentGenesis(void) |
| 923 | % |
| 924 | */ |
| 925 | |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 926 | static inline size_t MagickMax(const size_t x,const size_t y) |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 927 | { |
| 928 | if (x > y) |
| 929 | return(x); |
| 930 | return(y); |
| 931 | } |
| 932 | |
| 933 | static inline MagickSizeType StringToSizeType(const char *string, |
| 934 | const double interval) |
| 935 | { |
| 936 | double |
| 937 | value; |
| 938 | |
cristy | 9b34e30 | 2011-11-05 02:15:45 +0000 | [diff] [blame] | 939 | value=SiPrefixToDoubleInterval(string,interval); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 940 | if (value >= (double) MagickULLConstant(~0)) |
| 941 | return(MagickULLConstant(~0)); |
| 942 | return((MagickSizeType) value); |
| 943 | } |
| 944 | |
cristy | 5ff4eaf | 2011-09-03 01:38:02 +0000 | [diff] [blame] | 945 | MagickPrivate MagickBooleanType ResourceComponentGenesis(void) |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 946 | { |
| 947 | char |
| 948 | *limit; |
| 949 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 950 | MagickSizeType |
| 951 | memory; |
| 952 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 953 | ssize_t |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 954 | files, |
| 955 | pages, |
| 956 | pagesize; |
| 957 | |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 958 | /* |
| 959 | Set Magick resource limits. |
| 960 | */ |
cristy | 165b609 | 2009-10-26 13:52:10 +0000 | [diff] [blame] | 961 | AcquireSemaphoreInfo(&resource_semaphore); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 962 | pagesize=GetMagickPageSize(); |
| 963 | pages=(-1); |
| 964 | #if defined(MAGICKCORE_HAVE_SYSCONF) && defined(_SC_PHYS_PAGES) |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 965 | pages=(ssize_t) sysconf(_SC_PHYS_PAGES); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 966 | #endif |
| 967 | memory=(MagickSizeType) pages*pagesize; |
| 968 | if ((pagesize <= 0) || (pages <= 0)) |
| 969 | memory=2048UL*1024UL*1024UL; |
| 970 | #if defined(PixelCacheThreshold) |
| 971 | memory=PixelCacheThreshold; |
| 972 | #endif |
cristy | 2b97bd2 | 2011-10-04 18:12:42 +0000 | [diff] [blame] | 973 | (void) SetMagickResourceLimit(AreaResource,2*memory); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 974 | limit=GetEnvironmentValue("MAGICK_AREA_LIMIT"); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 975 | if (limit != (char *) NULL) |
| 976 | { |
| 977 | (void) SetMagickResourceLimit(AreaResource,StringToSizeType(limit,100.0)); |
| 978 | limit=DestroyString(limit); |
| 979 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 980 | (void) SetMagickResourceLimit(MemoryResource,memory); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 981 | limit=GetEnvironmentValue("MAGICK_MEMORY_LIMIT"); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 982 | if (limit != (char *) NULL) |
| 983 | { |
| 984 | (void) SetMagickResourceLimit(MemoryResource, |
| 985 | StringToSizeType(limit,100.0)); |
| 986 | limit=DestroyString(limit); |
| 987 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 988 | (void) SetMagickResourceLimit(MapResource,2*memory); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 989 | limit=GetEnvironmentValue("MAGICK_MAP_LIMIT"); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 990 | if (limit != (char *) NULL) |
| 991 | { |
| 992 | (void) SetMagickResourceLimit(MapResource,StringToSizeType(limit,100.0)); |
| 993 | limit=DestroyString(limit); |
| 994 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 995 | (void) SetMagickResourceLimit(DiskResource,MagickResourceInfinity); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 996 | limit=GetEnvironmentValue("MAGICK_DISK_LIMIT"); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 997 | if (limit != (char *) NULL) |
| 998 | { |
| 999 | (void) SetMagickResourceLimit(DiskResource,StringToSizeType(limit,100.0)); |
| 1000 | limit=DestroyString(limit); |
| 1001 | } |
| 1002 | files=(-1); |
| 1003 | #if defined(MAGICKCORE_HAVE_SYSCONF) && defined(_SC_OPEN_MAX) |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 1004 | files=(ssize_t) sysconf(_SC_OPEN_MAX); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1005 | #endif |
| 1006 | #if defined(MAGICKCORE_HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE) |
| 1007 | if (files < 0) |
| 1008 | { |
| 1009 | struct rlimit |
| 1010 | resources; |
| 1011 | |
| 1012 | if (getrlimit(RLIMIT_NOFILE,&resources) != -1) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1013 | files=(ssize_t) resources.rlim_cur; |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1014 | } |
| 1015 | #endif |
| 1016 | #if defined(MAGICKCORE_HAVE_GETDTABLESIZE) && defined(MAGICKCORE_POSIX_SUPPORT) |
| 1017 | if (files < 0) |
cristy | 6d0ee3e | 2010-09-28 18:36:50 +0000 | [diff] [blame] | 1018 | files=(ssize_t) getdtablesize(); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1019 | #endif |
| 1020 | if (files < 0) |
| 1021 | files=64; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1022 | (void) SetMagickResourceLimit(FileResource,MagickMax((size_t) |
cristy | ddacdd1 | 2012-05-07 23:08:14 +0000 | [diff] [blame] | 1023 | (3*files/4),64)); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1024 | limit=GetEnvironmentValue("MAGICK_FILE_LIMIT"); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1025 | if (limit != (char *) NULL) |
| 1026 | { |
cristy | cfce4c9 | 2011-12-11 17:28:48 +0000 | [diff] [blame] | 1027 | (void) SetMagickResourceLimit(FileResource,StringToSizeType(limit, |
| 1028 | 100.0)); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1029 | limit=DestroyString(limit); |
| 1030 | } |
| 1031 | (void) SetMagickResourceLimit(ThreadResource,GetOpenMPMaximumThreads()); |
cristy | d320045 | 2012-12-30 00:33:28 +0000 | [diff] [blame] | 1032 | limit=GetEnvironmentValue("MAGICK_THREAD_LIMIT"); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1033 | if (limit != (char *) NULL) |
| 1034 | { |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1035 | (void) SetMagickResourceLimit(ThreadResource,StringToSizeType(limit, |
| 1036 | 100.0)); |
| 1037 | limit=DestroyString(limit); |
| 1038 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 1039 | (void) SetMagickResourceLimit(ThrottleResource,0); |
| 1040 | limit=GetEnvironmentValue("MAGICK_THROTTLE_LIMIT"); |
| 1041 | if (limit != (char *) NULL) |
| 1042 | { |
| 1043 | (void) SetMagickResourceLimit(ThrottleResource,StringToSizeType(limit, |
| 1044 | 100.0)); |
| 1045 | limit=DestroyString(limit); |
| 1046 | } |
| 1047 | (void) SetMagickResourceLimit(TimeResource,MagickResourceInfinity); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1048 | limit=GetEnvironmentValue("MAGICK_TIME_LIMIT"); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1049 | if (limit != (char *) NULL) |
| 1050 | { |
| 1051 | (void) SetMagickResourceLimit(TimeResource,StringToSizeType(limit,100.0)); |
| 1052 | limit=DestroyString(limit); |
| 1053 | } |
| 1054 | return(MagickTrue); |
| 1055 | } |
| 1056 | |
| 1057 | /* |
| 1058 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1059 | % % |
| 1060 | % % |
| 1061 | % % |
| 1062 | + R e s o u r c e C o m p o n e n t T e r m i n u s % |
| 1063 | % % |
| 1064 | % % |
| 1065 | % % |
| 1066 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1067 | % |
| 1068 | % ResourceComponentTerminus() destroys the resource component. |
| 1069 | % |
| 1070 | % The format of the ResourceComponentTerminus() method is: |
| 1071 | % |
| 1072 | % ResourceComponentTerminus(void) |
| 1073 | % |
| 1074 | */ |
cristy | 5ff4eaf | 2011-09-03 01:38:02 +0000 | [diff] [blame] | 1075 | MagickPrivate void ResourceComponentTerminus(void) |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1076 | { |
cristy | 18b1744 | 2009-10-25 18:36:48 +0000 | [diff] [blame] | 1077 | if (resource_semaphore == (SemaphoreInfo *) NULL) |
| 1078 | AcquireSemaphoreInfo(&resource_semaphore); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 1079 | LockSemaphoreInfo(resource_semaphore); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1080 | if (temporary_resources != (SplayTreeInfo *) NULL) |
| 1081 | temporary_resources=DestroySplayTree(temporary_resources); |
| 1082 | if (random_info != (RandomInfo *) NULL) |
| 1083 | random_info=DestroyRandomInfo(random_info); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 1084 | UnlockSemaphoreInfo(resource_semaphore); |
cristy | f34a145 | 2009-10-24 22:29:27 +0000 | [diff] [blame] | 1085 | DestroySemaphoreInfo(&resource_semaphore); |
| 1086 | } |
| 1087 | |
| 1088 | /* |
| 1089 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1090 | % % |
| 1091 | % % |
| 1092 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1093 | % S e t M a g i c k R e s o u r c e L i m i t % |
| 1094 | % % |
| 1095 | % % |
| 1096 | % % |
| 1097 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1098 | % |
| 1099 | % SetMagickResourceLimit() sets the limit for a particular resource. |
| 1100 | % |
| 1101 | % The format of the SetMagickResourceLimit() method is: |
| 1102 | % |
| 1103 | % MagickBooleanType SetMagickResourceLimit(const ResourceType type, |
| 1104 | % const MagickSizeType limit) |
| 1105 | % |
| 1106 | % A description of each parameter follows: |
| 1107 | % |
| 1108 | % o type: the type of resource. |
| 1109 | % |
| 1110 | % o limit: the maximum limit for the resource. |
| 1111 | % |
| 1112 | */ |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1113 | |
cristy | 55a91cd | 2010-12-01 00:57:40 +0000 | [diff] [blame] | 1114 | static inline MagickSizeType MagickMin(const MagickSizeType x, |
| 1115 | const MagickSizeType y) |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1116 | { |
| 1117 | if (x < y) |
| 1118 | return(x); |
| 1119 | return(y); |
| 1120 | } |
| 1121 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1122 | MagickExport MagickBooleanType SetMagickResourceLimit(const ResourceType type, |
| 1123 | const MagickSizeType limit) |
| 1124 | { |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1125 | char |
| 1126 | *value; |
| 1127 | |
cristy | 18b1744 | 2009-10-25 18:36:48 +0000 | [diff] [blame] | 1128 | if (resource_semaphore == (SemaphoreInfo *) NULL) |
| 1129 | AcquireSemaphoreInfo(&resource_semaphore); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 1130 | LockSemaphoreInfo(resource_semaphore); |
cristy | e2837ed | 2011-09-06 01:49:42 +0000 | [diff] [blame] | 1131 | value=(char *) NULL; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1132 | switch (type) |
| 1133 | { |
| 1134 | case AreaResource: |
| 1135 | { |
| 1136 | resource_info.area_limit=limit; |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1137 | value=GetPolicyValue("area"); |
| 1138 | if (value != (char *) NULL) |
| 1139 | resource_info.area_limit=MagickMin(limit,StringToSizeType(value,100.0)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1140 | break; |
| 1141 | } |
| 1142 | case MemoryResource: |
| 1143 | { |
| 1144 | resource_info.memory_limit=limit; |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1145 | value=GetPolicyValue("memory"); |
| 1146 | if (value != (char *) NULL) |
| 1147 | resource_info.memory_limit=MagickMin(limit,StringToSizeType(value, |
| 1148 | 100.0)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1149 | break; |
| 1150 | } |
| 1151 | case MapResource: |
| 1152 | { |
| 1153 | resource_info.map_limit=limit; |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1154 | value=GetPolicyValue("map"); |
| 1155 | if (value != (char *) NULL) |
| 1156 | resource_info.map_limit=MagickMin(limit,StringToSizeType(value,100.0)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1157 | break; |
| 1158 | } |
| 1159 | case DiskResource: |
| 1160 | { |
| 1161 | resource_info.disk_limit=limit; |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1162 | value=GetPolicyValue("disk"); |
| 1163 | if (value != (char *) NULL) |
| 1164 | resource_info.disk_limit=MagickMin(limit,StringToSizeType(value,100.0)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1165 | break; |
| 1166 | } |
| 1167 | case FileResource: |
| 1168 | { |
| 1169 | resource_info.file_limit=limit; |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1170 | value=GetPolicyValue("file"); |
| 1171 | if (value != (char *) NULL) |
| 1172 | resource_info.file_limit=MagickMin(limit,StringToSizeType(value,100.0)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1173 | break; |
| 1174 | } |
| 1175 | case ThreadResource: |
| 1176 | { |
cristy | 01e36dc | 2010-10-21 17:26:42 +0000 | [diff] [blame] | 1177 | resource_info.thread_limit=limit; |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1178 | value=GetPolicyValue("thread"); |
| 1179 | if (value != (char *) NULL) |
| 1180 | resource_info.thread_limit=MagickMin(limit,StringToSizeType(value, |
| 1181 | 100.0)); |
cristy | feeb98d | 2012-05-09 16:32:12 +0000 | [diff] [blame] | 1182 | if (resource_info.thread_limit > GetOpenMPMaximumThreads()) |
| 1183 | resource_info.thread_limit=GetOpenMPMaximumThreads(); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1184 | break; |
| 1185 | } |
cristy | 7fc1b85 | 2013-01-27 16:47:26 +0000 | [diff] [blame] | 1186 | case ThrottleResource: |
| 1187 | { |
| 1188 | resource_info.throttle_limit=limit; |
| 1189 | value=GetPolicyValue("throttle"); |
| 1190 | if (value != (char *) NULL) |
| 1191 | resource_info.throttle_limit=MagickMin(limit,StringToSizeType(value, |
| 1192 | 100.0)); |
| 1193 | if (resource_info.throttle_limit > GetOpenMPMaximumThreads()) |
| 1194 | resource_info.throttle_limit=GetOpenMPMaximumThreads(); |
| 1195 | break; |
| 1196 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1197 | case TimeResource: |
| 1198 | { |
| 1199 | resource_info.time_limit=limit; |
cristy | 652316c | 2010-11-23 13:49:46 +0000 | [diff] [blame] | 1200 | value=GetPolicyValue("time"); |
| 1201 | if (value != (char *) NULL) |
| 1202 | resource_info.time_limit=MagickMin(limit,StringToSizeType(value,100.0)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1203 | break; |
| 1204 | } |
| 1205 | default: |
| 1206 | break; |
| 1207 | } |
cristy | e2837ed | 2011-09-06 01:49:42 +0000 | [diff] [blame] | 1208 | if (value != (char *) NULL) |
| 1209 | value=DestroyString(value); |
cristy | f84a193 | 2010-01-03 18:00:18 +0000 | [diff] [blame] | 1210 | UnlockSemaphoreInfo(resource_semaphore); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1211 | return(MagickTrue); |
| 1212 | } |