thank you for your reply, I will test if the libsqlite.so works in
pure C program!
On 1月12日, 上午11时37分, Zhen Xin <lones...@fedoraproject.org> wrote:
> If sqlite is the evil, you should be able to reproduce it by writing a
> pure C program that calls the same function and dynamically linked to
> /system/lib/libsqlite.so when loading. Just several lines can confirm
> this.
>
> And, well, here is my question: after inquired Google and Baidu and
> several other ones I still have no idea how to clone an Android source
> code repository on dev.lemote.com via the Git interface. Could someone
> please point me a tutorial/example in detail or just do this for me?
> Thanks.......
>
> 在 2012年1月12日 上午12:38，李晖 <lihui205...@gmail.com> 写道：
>
>
>
>
>
>
>
>
>
> > hi, all
> > by further debuging, I found this problem was cased by calling
> > sqlite3_open_v2(path8, &handle, sqliteFlags, NULL) function in dbopen
> > of frameworks\base\core\jni\android_database_SQLiteDatabase.cpp file,
> > it not crash directly in the sqlite3_open_v2 function, but died some
> > where
> > after calling sqlite3_open_v2, if I replaced the sqlite3_open_v2
> > function with the following code:
> > for(int i=0;i<10000000;i++)
> > LOGI("useless code");
>
> > process will not die in the for loop at least, so I think the
> > sqlite3_open_v2 function is the evil, but I do not know what to do
> > next!
>
> > BTW, the linux kernel is 64bit and android filesystem is 32bit, did it
> > affect?
>
> > On 1月11日, 上午12时33分, 李晖 <lihui205...@gmail.com> wrote:
> >> hi, all
> >> I am porting android to loongson2f, when the System Server bring up the
> >> Account Manager
>
> >> Service, the System Service process was terminated by signal 11, by adding
> >> log to the source code,
>
> >> I found it died in the JNI C code, following is the calling stack:
>
> >> > ServerThread:run
> >> > PowerManagerService()
> >> > validateAccounts()
> >> > DatabaseHelper::getWritableDatabase()
> >> > SQLiteOpenHelper::getWritableDatabase()
> >> > ContextImpl::openOrCreateDatabase()
> >> > SQLiteDatabase.openOrCreateDatabase()
> >> > SQLiteDatabase.openDatabase()
> >> > SQLiteDatabase() //Constructor
> >> > dbopen() //JNI C code implemented
> >> > in "frameworks\base\core\jni\android_database_SQLiteDatabase.cpp
>
> >> I am sure the System Service died in the dbopen code as I called the Log.i
> >> function millions time
>
> >> before the dbopen, log are all printed correctly, and I also added the
> >> following the code at the
>
> >> end of dbopen function:
>
> >> > for(int i=0; i<1000; i++)
> >> > {
> >> > fprintf(fp, "dbopen %d\n", i);
> >> > fflush(fp);
> >> > }
>
> >> not all logs are recored, if I removes the for loop at the end of dbopen
> >> function, the system will die some statement after the dbopen call, so, I
> >> think the system died in this function, but I don't known how to fix it,
> >> did it have to do with the JNI system?
>
> >> any suggestion or tips will be appreciated!
> >> thanks!
>
> >> Best Regards
> >> -------------------------------------------------------------------
> >> -------------------------------------------------------------------
> >> 北京航空航天大学大学嵌入式系统实验室
> >> 新主楼G座1028室
> >> 李晖
> >> MSN:lihui205...@163.com
>
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> --https://fedoraproject.org/wiki/User:Lonestar
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