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Commit 6511fe9c authored by Barry Hayes's avatar Barry Hayes Committed by Android (Google) Code Review
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Merge "Add a "dalvik.vm.gc.overwritefree" property. When set to "true", the... 

Merge "Add a "dalvik.vm.gc.overwritefree" property.  When set to "true", the VM will be given the "-Xgc:overwritefree" flag, and the GC will clobber the memory of freed objects."
parents d5bb7ef7 c2b32178

core/jni/AndroidRuntime.cpp

+9 −0
Original line number Diff line number Diff line
@@ -656,6 +656,15 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 
        }

    }



    /* enable poisoning of memory of freed objects */

    property_get("dalvik.vm.gc.overwritefree", propBuf, "false");

    if (strcmp(propBuf, "true") == 0) {

        opt.optionString = "-Xgc:overwritefree";

        mOptions.add(opt);

    } else if (strcmp(propBuf, "false") != 0) {

        LOGW("dalvik.vm.gc.overwritefree should be 'true' or 'false'");

    }



    /* enable debugging; set suspend=y to pause during VM init */

#ifdef HAVE_ANDROID_OS

    /* use android ADB transport */