The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* //device/libs/android_runtime/android_util_Process.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
| 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
| 8 | ** |
| 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | ** |
| 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
| 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #define LOG_TAG "Process" |
| 19 | |
| 20 | #include <utils/Log.h> |
Mathias Agopian | 0795272 | 2009-05-19 19:08:10 -0700 | [diff] [blame] | 21 | #include <binder/IPCThreadState.h> |
| 22 | #include <binder/ProcessState.h> |
| 23 | #include <binder/IServiceManager.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | #include <utils/String8.h> |
| 25 | #include <utils/Vector.h> |
| 26 | |
| 27 | #include <android_runtime/AndroidRuntime.h> |
| 28 | |
| 29 | #include "android_util_Binder.h" |
| 30 | #include "JNIHelp.h" |
| 31 | |
| 32 | #include <sys/errno.h> |
| 33 | #include <sys/resource.h> |
| 34 | #include <sys/types.h> |
San Mehat | 242d65b | 2009-09-12 10:10:37 -0700 | [diff] [blame] | 35 | #include <cutils/sched_policy.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | #include <dirent.h> |
| 37 | #include <fcntl.h> |
| 38 | #include <grp.h> |
| 39 | #include <pwd.h> |
| 40 | #include <signal.h> |
| 41 | |
| 42 | /* desktop Linux needs a little help with gettid() */ |
| 43 | #if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS) |
| 44 | #define __KERNEL__ |
| 45 | # include <linux/unistd.h> |
| 46 | #ifdef _syscall0 |
| 47 | _syscall0(pid_t,gettid) |
| 48 | #else |
| 49 | pid_t gettid() { return syscall(__NR_gettid);} |
| 50 | #endif |
| 51 | #undef __KERNEL__ |
| 52 | #endif |
| 53 | |
San Mehat | 957e586 | 2009-10-29 13:56:49 -0700 | [diff] [blame] | 54 | #define POLICY_DEBUG 0 |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 55 | #define GUARD_THREAD_PRIORITY 0 |
San Mehat | a5109a8 | 2009-10-29 11:48:50 -0700 | [diff] [blame] | 56 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 57 | using namespace android; |
| 58 | |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 59 | #if GUARD_THREAD_PRIORITY |
| 60 | Mutex gKeyCreateMutex; |
| 61 | static pthread_key_t gBgKey = -1; |
| 62 | #endif |
| 63 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 64 | static void signalExceptionForPriorityError(JNIEnv* env, jobject obj, int err) |
| 65 | { |
| 66 | switch (err) { |
| 67 | case EINVAL: |
| 68 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 69 | break; |
| 70 | case ESRCH: |
| 71 | jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); |
| 72 | break; |
| 73 | case EPERM: |
| 74 | jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); |
| 75 | break; |
| 76 | case EACCES: |
| 77 | jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); |
| 78 | break; |
| 79 | default: |
| 80 | jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); |
| 81 | break; |
| 82 | } |
| 83 | } |
| 84 | |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 85 | static void signalExceptionForGroupError(JNIEnv* env, jobject obj, int err) |
| 86 | { |
| 87 | switch (err) { |
| 88 | case EINVAL: |
| 89 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 90 | break; |
| 91 | case ESRCH: |
| 92 | jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); |
| 93 | break; |
| 94 | case EPERM: |
| 95 | jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); |
| 96 | break; |
| 97 | case EACCES: |
| 98 | jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); |
| 99 | break; |
| 100 | default: |
| 101 | jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); |
| 102 | break; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 107 | static void fakeProcessEntry(void* arg) |
| 108 | { |
| 109 | String8* cls = (String8*)arg; |
| 110 | |
| 111 | AndroidRuntime* jr = AndroidRuntime::getRuntime(); |
| 112 | jr->callMain(cls->string(), 0, NULL); |
| 113 | |
| 114 | delete cls; |
| 115 | } |
| 116 | |
| 117 | jint android_os_Process_myPid(JNIEnv* env, jobject clazz) |
| 118 | { |
| 119 | return getpid(); |
| 120 | } |
| 121 | |
| 122 | jint android_os_Process_myUid(JNIEnv* env, jobject clazz) |
| 123 | { |
| 124 | return getuid(); |
| 125 | } |
| 126 | |
| 127 | jint android_os_Process_myTid(JNIEnv* env, jobject clazz) |
| 128 | { |
Dianne Hackborn | 887f355 | 2009-12-07 17:59:37 -0800 | [diff] [blame] | 129 | return androidGetTid(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | jint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) |
| 133 | { |
| 134 | if (name == NULL) { |
| 135 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 136 | return -1; |
| 137 | } |
| 138 | |
| 139 | const jchar* str16 = env->GetStringCritical(name, 0); |
| 140 | String8 name8; |
| 141 | if (str16) { |
| 142 | name8 = String8(str16, env->GetStringLength(name)); |
| 143 | env->ReleaseStringCritical(name, str16); |
| 144 | } |
| 145 | |
| 146 | const size_t N = name8.size(); |
| 147 | if (N > 0) { |
| 148 | const char* str = name8.string(); |
| 149 | for (size_t i=0; i<N; i++) { |
| 150 | if (str[i] < '0' || str[i] > '9') { |
| 151 | struct passwd* pwd = getpwnam(str); |
| 152 | if (pwd == NULL) { |
| 153 | return -1; |
| 154 | } |
| 155 | return pwd->pw_uid; |
| 156 | } |
| 157 | } |
| 158 | return atoi(str); |
| 159 | } |
| 160 | return -1; |
| 161 | } |
| 162 | |
| 163 | jint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) |
| 164 | { |
| 165 | if (name == NULL) { |
| 166 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 167 | return -1; |
| 168 | } |
| 169 | |
| 170 | const jchar* str16 = env->GetStringCritical(name, 0); |
| 171 | String8 name8; |
| 172 | if (str16) { |
| 173 | name8 = String8(str16, env->GetStringLength(name)); |
| 174 | env->ReleaseStringCritical(name, str16); |
| 175 | } |
| 176 | |
| 177 | const size_t N = name8.size(); |
| 178 | if (N > 0) { |
| 179 | const char* str = name8.string(); |
| 180 | for (size_t i=0; i<N; i++) { |
| 181 | if (str[i] < '0' || str[i] > '9') { |
| 182 | struct group* grp = getgrnam(str); |
| 183 | if (grp == NULL) { |
| 184 | return -1; |
| 185 | } |
| 186 | return grp->gr_gid; |
| 187 | } |
| 188 | } |
| 189 | return atoi(str); |
| 190 | } |
| 191 | return -1; |
| 192 | } |
| 193 | |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 194 | void android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int pid, jint grp) |
| 195 | { |
Dianne Hackborn | 887f355 | 2009-12-07 17:59:37 -0800 | [diff] [blame] | 196 | int res = androidSetThreadSchedulingGroup(pid, grp); |
| 197 | if (res != NO_ERROR) { |
| 198 | signalExceptionForGroupError(env, clazz, res == BAD_VALUE ? EINVAL : errno); |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 199 | return; |
| 200 | } |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 201 | } |
| 202 | |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 203 | void android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) |
| 204 | { |
| 205 | DIR *d; |
| 206 | FILE *fp; |
| 207 | char proc_path[255]; |
| 208 | struct dirent *de; |
| 209 | |
| 210 | if (grp > ANDROID_TGROUP_MAX || grp < 0) { |
| 211 | signalExceptionForGroupError(env, clazz, EINVAL); |
| 212 | return; |
| 213 | } |
| 214 | |
San Mehat | a5109a8 | 2009-10-29 11:48:50 -0700 | [diff] [blame] | 215 | #if POLICY_DEBUG |
| 216 | char cmdline[32]; |
| 217 | int fd; |
| 218 | |
| 219 | strcpy(cmdline, "unknown"); |
| 220 | |
| 221 | sprintf(proc_path, "/proc/%d/cmdline", pid); |
| 222 | fd = open(proc_path, O_RDONLY); |
| 223 | if (fd >= 0) { |
| 224 | int rc = read(fd, cmdline, sizeof(cmdline)-1); |
| 225 | cmdline[rc] = 0; |
| 226 | close(fd); |
| 227 | } |
| 228 | |
| 229 | if (grp == ANDROID_TGROUP_BG_NONINTERACT) { |
| 230 | LOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); |
| 231 | } else { |
| 232 | LOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); |
| 233 | } |
| 234 | #endif |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 235 | sprintf(proc_path, "/proc/%d/task", pid); |
| 236 | if (!(d = opendir(proc_path))) { |
San Mehat | 1fd0ec7 | 2009-06-15 16:56:52 -0700 | [diff] [blame] | 237 | // If the process exited on us, don't generate an exception |
| 238 | if (errno != ENOENT) |
| 239 | signalExceptionForGroupError(env, clazz, errno); |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 240 | return; |
| 241 | } |
| 242 | |
| 243 | while ((de = readdir(d))) { |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 244 | int t_pid; |
| 245 | int t_pri; |
| 246 | |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 247 | if (de->d_name[0] == '.') |
| 248 | continue; |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 249 | t_pid = atoi(de->d_name); |
San Mehat | 1fd0ec7 | 2009-06-15 16:56:52 -0700 | [diff] [blame] | 250 | |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 251 | if (!t_pid) { |
| 252 | LOGE("Error getting pid for '%s'\n", de->d_name); |
| 253 | continue; |
| 254 | } |
| 255 | |
| 256 | t_pri = getpriority(PRIO_PROCESS, t_pid); |
| 257 | |
| 258 | if (grp == ANDROID_TGROUP_DEFAULT && |
| 259 | t_pri >= ANDROID_PRIORITY_BACKGROUND) { |
| 260 | // This task wants to stay at background |
| 261 | continue; |
| 262 | } |
| 263 | |
Dianne Hackborn | 84bb52e | 2010-09-03 17:07:07 -0700 | [diff] [blame] | 264 | if (androidSetThreadSchedulingGroup(t_pid, grp) != NO_ERROR) { |
San Mehat | 242d65b | 2009-09-12 10:10:37 -0700 | [diff] [blame] | 265 | signalExceptionForGroupError(env, clazz, errno); |
San Mehat | 0a42b81 | 2009-12-03 12:21:28 -0800 | [diff] [blame] | 266 | break; |
San Mehat | 242d65b | 2009-09-12 10:10:37 -0700 | [diff] [blame] | 267 | } |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 268 | } |
| 269 | closedir(d); |
| 270 | } |
| 271 | |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 272 | static void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { |
| 273 | // Establishes the calling thread as illegal to put into the background. |
| 274 | // Typically used only for the system process's main looper. |
| 275 | #if GUARD_THREAD_PRIORITY |
| 276 | LOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, androidGetTid()); |
| 277 | { |
| 278 | Mutex::Autolock _l(gKeyCreateMutex); |
| 279 | if (gBgKey == -1) { |
| 280 | pthread_key_create(&gBgKey, NULL); |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | // inverted: not-okay, we set a sentinel value |
| 285 | pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); |
| 286 | #endif |
| 287 | } |
| 288 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 289 | void android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, |
| 290 | jint pid, jint pri) |
| 291 | { |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 292 | #if GUARD_THREAD_PRIORITY |
| 293 | // if we're putting the current thread into the background, check the TLS |
| 294 | // to make sure this thread isn't guarded. If it is, raise an exception. |
| 295 | if (pri >= ANDROID_PRIORITY_BACKGROUND) { |
| 296 | if (pid == androidGetTid()) { |
| 297 | void* bgOk = pthread_getspecific(gBgKey); |
| 298 | if (bgOk == ((void*)0xbaad)) { |
| 299 | LOGE("Thread marked fg-only put self in background!"); |
| 300 | jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); |
| 301 | return; |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | #endif |
| 306 | |
Dianne Hackborn | 887f355 | 2009-12-07 17:59:37 -0800 | [diff] [blame] | 307 | int rc = androidSetThreadPriority(pid, pri); |
| 308 | if (rc != 0) { |
| 309 | if (rc == INVALID_OPERATION) { |
| 310 | signalExceptionForPriorityError(env, clazz, errno); |
| 311 | } else { |
| 312 | signalExceptionForGroupError(env, clazz, errno); |
| 313 | } |
San Mehat | 242d65b | 2009-09-12 10:10:37 -0700 | [diff] [blame] | 314 | } |
Dianne Hackborn | 887f355 | 2009-12-07 17:59:37 -0800 | [diff] [blame] | 315 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 316 | //LOGI("Setting priority of %d: %d, getpriority returns %d\n", |
| 317 | // pid, pri, getpriority(PRIO_PROCESS, pid)); |
| 318 | } |
| 319 | |
| 320 | void android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, |
| 321 | jint pri) |
| 322 | { |
| 323 | jint tid = android_os_Process_myTid(env, clazz); |
| 324 | android_os_Process_setThreadPriority(env, clazz, tid, pri); |
| 325 | } |
| 326 | |
| 327 | jint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, |
| 328 | jint pid) |
| 329 | { |
| 330 | errno = 0; |
| 331 | jint pri = getpriority(PRIO_PROCESS, pid); |
| 332 | if (errno != 0) { |
| 333 | signalExceptionForPriorityError(env, clazz, errno); |
| 334 | } |
| 335 | //LOGI("Returning priority of %d: %d\n", pid, pri); |
| 336 | return pri; |
| 337 | } |
| 338 | |
| 339 | jboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, |
| 340 | jint pid, jint adj) |
| 341 | { |
| 342 | #ifdef HAVE_OOM_ADJ |
| 343 | if (ProcessState::self()->supportsProcesses()) { |
| 344 | char text[64]; |
| 345 | sprintf(text, "/proc/%d/oom_adj", pid); |
| 346 | int fd = open(text, O_WRONLY); |
| 347 | if (fd >= 0) { |
| 348 | sprintf(text, "%d", adj); |
| 349 | write(fd, text, strlen(text)); |
| 350 | close(fd); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 351 | } |
Dianne Hackborn | 906497c | 2010-05-10 15:57:38 -0700 | [diff] [blame] | 352 | return true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 353 | } |
| 354 | #endif |
| 355 | return false; |
| 356 | } |
| 357 | |
| 358 | void android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) |
| 359 | { |
| 360 | if (name == NULL) { |
| 361 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 362 | return; |
| 363 | } |
| 364 | |
| 365 | const jchar* str = env->GetStringCritical(name, 0); |
| 366 | String8 name8; |
| 367 | if (str) { |
| 368 | name8 = String8(str, env->GetStringLength(name)); |
| 369 | env->ReleaseStringCritical(name, str); |
| 370 | } |
| 371 | |
| 372 | if (name8.size() > 0) { |
| 373 | ProcessState::self()->setArgV0(name8.string()); |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | jint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) |
| 378 | { |
| 379 | #if HAVE_ANDROID_OS |
| 380 | return setuid(uid) == 0 ? 0 : errno; |
| 381 | #else |
| 382 | return ENOSYS; |
| 383 | #endif |
| 384 | } |
| 385 | |
| 386 | jint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) |
| 387 | { |
| 388 | #if HAVE_ANDROID_OS |
| 389 | return setgid(uid) == 0 ? 0 : errno; |
| 390 | #else |
| 391 | return ENOSYS; |
| 392 | #endif |
| 393 | } |
| 394 | |
| 395 | jboolean android_os_Process_supportsProcesses(JNIEnv* env, jobject clazz) |
| 396 | { |
| 397 | return ProcessState::self()->supportsProcesses(); |
| 398 | } |
| 399 | |
| 400 | static int pid_compare(const void* v1, const void* v2) |
| 401 | { |
| 402 | //LOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); |
| 403 | return *((const jint*)v1) - *((const jint*)v2); |
| 404 | } |
| 405 | |
Marco Nelissen | 0bca96b | 2009-07-17 12:59:25 -0700 | [diff] [blame] | 406 | static jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 407 | { |
| 408 | int fd = open("/proc/meminfo", O_RDONLY); |
| 409 | |
| 410 | if (fd < 0) { |
| 411 | LOGW("Unable to open /proc/meminfo"); |
| 412 | return -1; |
| 413 | } |
| 414 | |
| 415 | char buffer[256]; |
| 416 | const int len = read(fd, buffer, sizeof(buffer)-1); |
| 417 | close(fd); |
| 418 | |
| 419 | if (len < 0) { |
| 420 | LOGW("Unable to read /proc/meminfo"); |
| 421 | return -1; |
| 422 | } |
| 423 | buffer[len] = 0; |
| 424 | |
| 425 | int numFound = 0; |
Marco Nelissen | 0bca96b | 2009-07-17 12:59:25 -0700 | [diff] [blame] | 426 | jlong mem = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 427 | |
| 428 | static const char* const sums[] = { "MemFree:", "Cached:", NULL }; |
| 429 | static const int sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), NULL }; |
| 430 | |
| 431 | char* p = buffer; |
| 432 | while (*p && numFound < 2) { |
| 433 | int i = 0; |
| 434 | while (sums[i]) { |
| 435 | if (strncmp(p, sums[i], sumsLen[i]) == 0) { |
| 436 | p += sumsLen[i]; |
| 437 | while (*p == ' ') p++; |
| 438 | char* num = p; |
| 439 | while (*p >= '0' && *p <= '9') p++; |
| 440 | if (*p != 0) { |
| 441 | *p = 0; |
| 442 | p++; |
| 443 | if (*p == 0) p--; |
| 444 | } |
Marco Nelissen | 0bca96b | 2009-07-17 12:59:25 -0700 | [diff] [blame] | 445 | mem += atoll(num) * 1024; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 446 | numFound++; |
| 447 | break; |
| 448 | } |
| 449 | i++; |
| 450 | } |
| 451 | p++; |
| 452 | } |
| 453 | |
| 454 | return numFound > 0 ? mem : -1; |
| 455 | } |
| 456 | |
| 457 | void android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, |
| 458 | jobjectArray reqFields, jlongArray outFields) |
| 459 | { |
| 460 | //LOGI("getMemInfo: %p %p", reqFields, outFields); |
| 461 | |
| 462 | if (fileStr == NULL || reqFields == NULL || outFields == NULL) { |
| 463 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 464 | return; |
| 465 | } |
| 466 | |
| 467 | const char* file8 = env->GetStringUTFChars(fileStr, NULL); |
| 468 | if (file8 == NULL) { |
| 469 | return; |
| 470 | } |
| 471 | String8 file(file8); |
| 472 | env->ReleaseStringUTFChars(fileStr, file8); |
| 473 | |
| 474 | jsize count = env->GetArrayLength(reqFields); |
| 475 | if (count > env->GetArrayLength(outFields)) { |
| 476 | jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); |
| 477 | return; |
| 478 | } |
| 479 | |
| 480 | Vector<String8> fields; |
| 481 | int i; |
| 482 | |
| 483 | for (i=0; i<count; i++) { |
| 484 | jobject obj = env->GetObjectArrayElement(reqFields, i); |
| 485 | if (obj != NULL) { |
| 486 | const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); |
| 487 | //LOGI("String at %d: %p = %s", i, obj, str8); |
| 488 | if (str8 == NULL) { |
| 489 | jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); |
| 490 | return; |
| 491 | } |
| 492 | fields.add(String8(str8)); |
| 493 | env->ReleaseStringUTFChars((jstring)obj, str8); |
| 494 | } else { |
| 495 | jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); |
| 496 | return; |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | jlong* sizesArray = env->GetLongArrayElements(outFields, 0); |
| 501 | if (sizesArray == NULL) { |
| 502 | return; |
| 503 | } |
| 504 | |
| 505 | //LOGI("Clearing %d sizes", count); |
| 506 | for (i=0; i<count; i++) { |
| 507 | sizesArray[i] = 0; |
| 508 | } |
| 509 | |
| 510 | int fd = open(file.string(), O_RDONLY); |
| 511 | |
| 512 | if (fd >= 0) { |
| 513 | const size_t BUFFER_SIZE = 2048; |
| 514 | char* buffer = (char*)malloc(BUFFER_SIZE); |
| 515 | int len = read(fd, buffer, BUFFER_SIZE-1); |
| 516 | close(fd); |
| 517 | |
| 518 | if (len < 0) { |
| 519 | LOGW("Unable to read %s", file.string()); |
| 520 | len = 0; |
| 521 | } |
| 522 | buffer[len] = 0; |
| 523 | |
| 524 | int foundCount = 0; |
| 525 | |
| 526 | char* p = buffer; |
| 527 | while (*p && foundCount < count) { |
| 528 | bool skipToEol = true; |
| 529 | //LOGI("Parsing at: %s", p); |
| 530 | for (i=0; i<count; i++) { |
| 531 | const String8& field = fields[i]; |
| 532 | if (strncmp(p, field.string(), field.length()) == 0) { |
| 533 | p += field.length(); |
Amith Yamasani | add868c | 2009-06-25 11:57:40 -0700 | [diff] [blame] | 534 | while (*p == ' ' || *p == '\t') p++; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 535 | char* num = p; |
| 536 | while (*p >= '0' && *p <= '9') p++; |
| 537 | skipToEol = *p != '\n'; |
| 538 | if (*p != 0) { |
| 539 | *p = 0; |
| 540 | p++; |
| 541 | } |
| 542 | char* end; |
| 543 | sizesArray[i] = strtoll(num, &end, 10); |
| 544 | //LOGI("Field %s = %d", field.string(), sizesArray[i]); |
| 545 | foundCount++; |
| 546 | break; |
| 547 | } |
| 548 | } |
| 549 | if (skipToEol) { |
| 550 | while (*p && *p != '\n') { |
| 551 | p++; |
| 552 | } |
| 553 | if (*p == '\n') { |
| 554 | p++; |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | free(buffer); |
| 560 | } else { |
| 561 | LOGW("Unable to open %s", file.string()); |
| 562 | } |
| 563 | |
| 564 | //LOGI("Done!"); |
| 565 | env->ReleaseLongArrayElements(outFields, sizesArray, 0); |
| 566 | } |
| 567 | |
| 568 | jintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, |
| 569 | jstring file, jintArray lastArray) |
| 570 | { |
| 571 | if (file == NULL) { |
| 572 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 573 | return NULL; |
| 574 | } |
| 575 | |
| 576 | const char* file8 = env->GetStringUTFChars(file, NULL); |
| 577 | if (file8 == NULL) { |
| 578 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 579 | return NULL; |
| 580 | } |
| 581 | |
| 582 | DIR* dirp = opendir(file8); |
| 583 | |
| 584 | env->ReleaseStringUTFChars(file, file8); |
| 585 | |
| 586 | if(dirp == NULL) { |
| 587 | return NULL; |
| 588 | } |
| 589 | |
| 590 | jsize curCount = 0; |
| 591 | jint* curData = NULL; |
| 592 | if (lastArray != NULL) { |
| 593 | curCount = env->GetArrayLength(lastArray); |
| 594 | curData = env->GetIntArrayElements(lastArray, 0); |
| 595 | } |
| 596 | |
| 597 | jint curPos = 0; |
| 598 | |
| 599 | struct dirent* entry; |
| 600 | while ((entry=readdir(dirp)) != NULL) { |
| 601 | const char* p = entry->d_name; |
| 602 | while (*p) { |
| 603 | if (*p < '0' || *p > '9') break; |
| 604 | p++; |
| 605 | } |
| 606 | if (*p != 0) continue; |
| 607 | |
| 608 | char* end; |
| 609 | int pid = strtol(entry->d_name, &end, 10); |
| 610 | //LOGI("File %s pid=%d\n", entry->d_name, pid); |
| 611 | if (curPos >= curCount) { |
| 612 | jsize newCount = (curCount == 0) ? 10 : (curCount*2); |
| 613 | jintArray newArray = env->NewIntArray(newCount); |
| 614 | if (newArray == NULL) { |
| 615 | closedir(dirp); |
| 616 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 617 | return NULL; |
| 618 | } |
| 619 | jint* newData = env->GetIntArrayElements(newArray, 0); |
| 620 | if (curData != NULL) { |
| 621 | memcpy(newData, curData, sizeof(jint)*curCount); |
| 622 | env->ReleaseIntArrayElements(lastArray, curData, 0); |
| 623 | } |
| 624 | lastArray = newArray; |
| 625 | curCount = newCount; |
| 626 | curData = newData; |
| 627 | } |
| 628 | |
| 629 | curData[curPos] = pid; |
| 630 | curPos++; |
| 631 | } |
| 632 | |
| 633 | closedir(dirp); |
| 634 | |
| 635 | if (curData != NULL && curPos > 0) { |
| 636 | qsort(curData, curPos, sizeof(jint), pid_compare); |
| 637 | } |
| 638 | |
| 639 | while (curPos < curCount) { |
| 640 | curData[curPos] = -1; |
| 641 | curPos++; |
| 642 | } |
| 643 | |
| 644 | if (curData != NULL) { |
| 645 | env->ReleaseIntArrayElements(lastArray, curData, 0); |
| 646 | } |
| 647 | |
| 648 | return lastArray; |
| 649 | } |
| 650 | |
| 651 | enum { |
| 652 | PROC_TERM_MASK = 0xff, |
| 653 | PROC_ZERO_TERM = 0, |
| 654 | PROC_SPACE_TERM = ' ', |
| 655 | PROC_COMBINE = 0x100, |
| 656 | PROC_PARENS = 0x200, |
| 657 | PROC_OUT_STRING = 0x1000, |
| 658 | PROC_OUT_LONG = 0x2000, |
| 659 | PROC_OUT_FLOAT = 0x4000, |
| 660 | }; |
| 661 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 662 | jboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, |
| 663 | char* buffer, jint startIndex, jint endIndex, jintArray format, |
| 664 | jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 665 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 666 | |
| 667 | const jsize NF = env->GetArrayLength(format); |
| 668 | const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; |
| 669 | const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; |
| 670 | const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; |
| 671 | |
| 672 | jint* formatData = env->GetIntArrayElements(format, 0); |
| 673 | jlong* longsData = outLongs ? |
| 674 | env->GetLongArrayElements(outLongs, 0) : NULL; |
| 675 | jfloat* floatsData = outFloats ? |
| 676 | env->GetFloatArrayElements(outFloats, 0) : NULL; |
| 677 | if (formatData == NULL || (NL > 0 && longsData == NULL) |
| 678 | || (NR > 0 && floatsData == NULL)) { |
| 679 | if (formatData != NULL) { |
| 680 | env->ReleaseIntArrayElements(format, formatData, 0); |
| 681 | } |
| 682 | if (longsData != NULL) { |
| 683 | env->ReleaseLongArrayElements(outLongs, longsData, 0); |
| 684 | } |
| 685 | if (floatsData != NULL) { |
| 686 | env->ReleaseFloatArrayElements(outFloats, floatsData, 0); |
| 687 | } |
| 688 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 689 | return JNI_FALSE; |
| 690 | } |
| 691 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 692 | jsize i = startIndex; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 693 | jsize di = 0; |
| 694 | |
| 695 | jboolean res = JNI_TRUE; |
| 696 | |
| 697 | for (jsize fi=0; fi<NF; fi++) { |
| 698 | const jint mode = formatData[fi]; |
| 699 | if ((mode&PROC_PARENS) != 0) { |
| 700 | i++; |
| 701 | } |
| 702 | const char term = (char)(mode&PROC_TERM_MASK); |
| 703 | const jsize start = i; |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 704 | if (i >= endIndex) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 705 | res = JNI_FALSE; |
| 706 | break; |
| 707 | } |
| 708 | |
| 709 | jsize end = -1; |
| 710 | if ((mode&PROC_PARENS) != 0) { |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 711 | while (buffer[i] != ')' && i < endIndex) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 712 | i++; |
| 713 | } |
| 714 | end = i; |
| 715 | i++; |
| 716 | } |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 717 | while (buffer[i] != term && i < endIndex) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 718 | i++; |
| 719 | } |
| 720 | if (end < 0) { |
| 721 | end = i; |
| 722 | } |
| 723 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 724 | if (i < endIndex) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 725 | i++; |
| 726 | if ((mode&PROC_COMBINE) != 0) { |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 727 | while (buffer[i] == term && i < endIndex) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 728 | i++; |
| 729 | } |
| 730 | } |
| 731 | } |
| 732 | |
| 733 | //LOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); |
| 734 | |
| 735 | if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { |
| 736 | char c = buffer[end]; |
| 737 | buffer[end] = 0; |
| 738 | if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { |
| 739 | char* end; |
| 740 | floatsData[di] = strtof(buffer+start, &end); |
| 741 | } |
| 742 | if ((mode&PROC_OUT_LONG) != 0 && di < NL) { |
| 743 | char* end; |
| 744 | longsData[di] = strtoll(buffer+start, &end, 10); |
| 745 | } |
| 746 | if ((mode&PROC_OUT_STRING) != 0 && di < NS) { |
| 747 | jstring str = env->NewStringUTF(buffer+start); |
| 748 | env->SetObjectArrayElement(outStrings, di, str); |
| 749 | } |
| 750 | buffer[end] = c; |
| 751 | di++; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | env->ReleaseIntArrayElements(format, formatData, 0); |
| 756 | if (longsData != NULL) { |
| 757 | env->ReleaseLongArrayElements(outLongs, longsData, 0); |
| 758 | } |
| 759 | if (floatsData != NULL) { |
| 760 | env->ReleaseFloatArrayElements(outFloats, floatsData, 0); |
| 761 | } |
| 762 | |
| 763 | return res; |
| 764 | } |
| 765 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 766 | jboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, |
| 767 | jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, |
| 768 | jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) |
| 769 | { |
| 770 | jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); |
| 771 | |
| 772 | jboolean result = android_os_Process_parseProcLineArray(env, clazz, |
| 773 | (char*) bufferArray, startIndex, endIndex, format, outStrings, |
| 774 | outLongs, outFloats); |
| 775 | |
| 776 | env->ReleaseByteArrayElements(buffer, bufferArray, 0); |
| 777 | |
| 778 | return result; |
| 779 | } |
| 780 | |
| 781 | jboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, |
| 782 | jstring file, jintArray format, jobjectArray outStrings, |
| 783 | jlongArray outLongs, jfloatArray outFloats) |
| 784 | { |
| 785 | if (file == NULL || format == NULL) { |
| 786 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 787 | return JNI_FALSE; |
| 788 | } |
| 789 | |
| 790 | const char* file8 = env->GetStringUTFChars(file, NULL); |
| 791 | if (file8 == NULL) { |
| 792 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 793 | return JNI_FALSE; |
| 794 | } |
| 795 | int fd = open(file8, O_RDONLY); |
| 796 | env->ReleaseStringUTFChars(file, file8); |
| 797 | |
| 798 | if (fd < 0) { |
| 799 | //LOGW("Unable to open process file: %s\n", file8); |
| 800 | return JNI_FALSE; |
| 801 | } |
| 802 | |
| 803 | char buffer[256]; |
| 804 | const int len = read(fd, buffer, sizeof(buffer)-1); |
| 805 | close(fd); |
| 806 | |
| 807 | if (len < 0) { |
| 808 | //LOGW("Unable to open process file: %s fd=%d\n", file8, fd); |
| 809 | return JNI_FALSE; |
| 810 | } |
| 811 | buffer[len] = 0; |
| 812 | |
| 813 | return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, |
| 814 | format, outStrings, outLongs, outFloats); |
| 815 | |
| 816 | } |
| 817 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 818 | void android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, |
| 819 | jobject binderObject) |
| 820 | { |
| 821 | if (binderObject == NULL) { |
| 822 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 823 | return; |
| 824 | } |
| 825 | |
| 826 | sp<IBinder> binder = ibinderForJavaObject(env, binderObject); |
| 827 | } |
| 828 | |
| 829 | void android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) |
| 830 | { |
| 831 | if (pid > 0) { |
| 832 | LOGI("Sending signal. PID: %d SIG: %d", pid, sig); |
| 833 | kill(pid, sig); |
| 834 | } |
| 835 | } |
| 836 | |
Dianne Hackborn | 906497c | 2010-05-10 15:57:38 -0700 | [diff] [blame] | 837 | void android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) |
| 838 | { |
| 839 | if (pid > 0) { |
| 840 | kill(pid, sig); |
| 841 | } |
| 842 | } |
| 843 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 844 | static jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) |
| 845 | { |
| 846 | struct timespec ts; |
| 847 | |
| 848 | int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); |
| 849 | |
| 850 | if (res != 0) { |
| 851 | return (jlong) 0; |
| 852 | } |
| 853 | |
| 854 | nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; |
| 855 | return (jlong) nanoseconds_to_milliseconds(when); |
| 856 | } |
| 857 | |
| 858 | static jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) |
| 859 | { |
| 860 | char filename[64]; |
| 861 | |
| 862 | snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); |
| 863 | |
| 864 | FILE * file = fopen(filename, "r"); |
| 865 | if (!file) { |
| 866 | return (jlong) -1; |
| 867 | } |
| 868 | |
| 869 | // Tally up all of the Pss from the various maps |
| 870 | char line[256]; |
| 871 | jlong pss = 0; |
| 872 | while (fgets(line, sizeof(line), file)) { |
| 873 | jlong v; |
| 874 | if (sscanf(line, "Pss: %lld kB", &v) == 1) { |
| 875 | pss += v; |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | fclose(file); |
| 880 | |
| 881 | // Return the Pss value in bytes, not kilobytes |
| 882 | return pss * 1024; |
| 883 | } |
| 884 | |
| 885 | static const JNINativeMethod methods[] = { |
| 886 | {"myPid", "()I", (void*)android_os_Process_myPid}, |
| 887 | {"myTid", "()I", (void*)android_os_Process_myTid}, |
| 888 | {"myUid", "()I", (void*)android_os_Process_myUid}, |
| 889 | {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, |
| 890 | {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, |
| 891 | {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 892 | {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 893 | {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, |
| 894 | {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 895 | {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 896 | {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 897 | {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, |
| 898 | {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, |
| 899 | {"setUid", "(I)I", (void*)android_os_Process_setUid}, |
| 900 | {"setGid", "(I)I", (void*)android_os_Process_setGid}, |
| 901 | {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, |
Dianne Hackborn | 906497c | 2010-05-10 15:57:38 -0700 | [diff] [blame] | 902 | {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 903 | {"supportsProcesses", "()Z", (void*)android_os_Process_supportsProcesses}, |
Marco Nelissen | 0bca96b | 2009-07-17 12:59:25 -0700 | [diff] [blame] | 904 | {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 905 | {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, |
| 906 | {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, |
| 907 | {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 908 | {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 909 | {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, |
| 910 | {"getPss", "(I)J", (void*)android_os_Process_getPss}, |
| 911 | //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, |
| 912 | }; |
| 913 | |
| 914 | const char* const kProcessPathName = "android/os/Process"; |
| 915 | |
| 916 | int register_android_os_Process(JNIEnv* env) |
| 917 | { |
| 918 | jclass clazz; |
| 919 | |
| 920 | clazz = env->FindClass(kProcessPathName); |
| 921 | LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.Process"); |
| 922 | |
| 923 | return AndroidRuntime::registerNativeMethods( |
| 924 | env, kProcessPathName, |
| 925 | methods, NELEM(methods)); |
| 926 | } |