12.问题集:进程、线程和JNI架构

本文深入探讨了操作系统中的进程和线程基础知识,详细阐述了Java Native Interface(JNI)的使用,以及进程间通信(IPC)的概念和实现方式。通过对这些核心概念的解析,帮助读者理解多线程编程、 native代码调用以及不同进程间如何进行有效通信。
at com.tencent.mmkv.MMKV.decodeString(Native method) at com.tencent.mmkv.MMKV.h(MMKV.java:3) at com.oplus.camera.data.impl.MMKVDataBuffer.getString(MMKVDataBuffer.java:3) at com.oplus.camera.data.DataRepoProxy.com.oplus.camera.data.impl.DataRepo.getValue(DataRepoProxy.java:35) getValue at com.oplus.camera.data.DataManager.getValue(DataManager.java:15) at com.oplus.camera.CameraManager.shouldShowLocationPermissionBox(CameraManager.java:9) at com.oplus.camera.CameraManager.onLegacyPause(CameraManager.java:449) onPause at com.oplus.camera.Camera.onPauseTasks(Camera.java:203) at com.oplus.camera.component.QuickActivity.onPause(QuickActivity.java:45) at android.app.Activity.performPause(Activity.java:9416) at android.app.Instrumentation.callActivityOnPause(Instrumentation.java:1794) at android.app.ActivityThread.performPauseActivityIfNeeded(ActivityThread.java:6088) at android.app.ActivityThread.performPauseActivity(ActivityThread.java:6049) at android.app.ActivityThread.handlePauseActivity(ActivityThread.java:6001) at android.app.servertransaction.PauseActivityItem.execute(PauseActivityItem.java:57) at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:60) at android.app.servertransaction.TransactionExecutor.executeLifecycleItem(TransactionExecutor.java:230) at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:112) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:86) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2914) at android.os.Handler.dispatchMessage(Handler.java:112) at android.os.Looper.loopOnce(Looper.java:288) at android.os.Looper.loop(Looper.java:393) at android.app.ActivityThread.main(ActivityThread.java:9569) at java.lang.reflect.Method.invoke(Native method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:600) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1010)
最新发布
11-22
ava.lang.Error: Invalid memory access at com.sun.jna.Native.invokePointer(Native Method) ~[jna-4.1.0.jar:4.1.0 (b4)] at com.sun.jna.Function.invokePointer(Function.java:470) ~[jna-4.1.0.jar:4.1.0 (b4)] at com.sun.jna.Function.invoke(Function.java:404) ~[jna-4.1.0.jar:4.1.0 (b4)] at com.sun.jna.Function.invoke(Function.java:315) ~[jna-4.1.0.jar:4.1.0 (b4)] at com.sun.jna.Library$Handler.invoke(Library.java:212) ~[jna-4.1.0.jar:4.1.0 (b4)] at com.sun.proxy.$Proxy32.TessBaseAPIGetUTF8Text(Unknown Source) ~[?:?] at net.sourceforge.tess4j.Tesseract.getOCRText(Unknown Source) ~[tess4j-3.4.8.jar:?] at net.sourceforge.tess4j.Tesseract.doOCR(Unknown Source) ~[tess4j-3.4.8.jar:?] at net.sourceforge.tess4j.Tesseract.doOCR(Unknown Source) ~[tess4j-3.4.8.jar:?] at net.sourceforge.tess4j.Tesseract.doOCR(Unknown Source) ~[tess4j-3.4.8.jar:?] at net.sourceforge.tess4j.ITesseract$doOCR$0.call(Unknown Source) ~[?:?] at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) ~[groovy-3.0.20.jar:3.0.20] at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125) ~[groovy-3.0.20.jar:3.0.20] at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:139) ~[groovy-3.0.20.jar:3.0.20] at Script14.run(Script14.groovy:8) ~[?:?] at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.eval(GroovyScriptEngineImpl.java:317) ~[groovy-jsr223-3.0.20.jar:3.0.20] at org.codehaus.groovy.jsr223.GroovyCompiledScript.eval(GroovyCompiledScript.java:71) ~[groovy-jsr223-3.0.20.jar:3.0.20] at java.scripting/javax.script.CompiledScript.eval(CompiledScript.java:89) ~[java.scripting:?] at org.apache.jmeter.util.JSR223TestElement.processFileOrScript(JSR223TestElement.java:230) ~[ApacheJMeter_core.jar:5.6.3] at org.apache.jmeter.extractor.JSR223PostProcessor.process(JSR223PostProcessor.java:45) ~[ApacheJMeter_components.jar:5.6.3] at org.apache.jmeter.threads.JMeterThread.runPostProcessors(JMeterThread.java:973) ~[ApacheJMeter_core.jar:5.6.3] at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:585) ~[ApacheJMeter_core.jar:5.6.3] at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:501) ~[ApacheJMeter_core.jar:5.6.3] at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:268) ~[ApacheJMeter_core.jar:5.6.3] at java.base/java.lang.Thread.run(Thread.java:834) [?:?]
10-15
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