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Android source code analysis-system_server Process Analysis
In the previous blog, we analyzed the Zygote process. We know that the Zygote process creates an important process-the system_server process and enters an infinite loop, later, an important task in the Android system was handed over to the system_server process. As the eldest son process of zygote, The s
each extension
Nsxuldocument
Start xulrunner
Figure9 Extended Startup Process
The Startup Process of the extension is as follows:Figure 9As shown in:
The nsxredirprovider of Toolkit reads extensions. ini and extracts the chrome. manifest file for each extension.
Nschromeregistry implements nsixuloverlayprovider and nsitoolkitchromeregistry interfaces. Processmanifestbuffer () processes all manifest
.
static int __exampleBlock_block_func_0(struct __exampleBlock_block_impl_0 *__cself, int c) { __Block_byref_b_0 *b = __cself->b; // bound by ref int a = __cself->a; // bound by copy return a + (b->__forwarding->b) + c; }
We can see that a uses the copied a, and B uses the B in the struct.
Append 200 points and expand the pl0 code to provide useful websites
Let me give it to your website. I hav
process of building dynamicapicontrollerinfo, Apicontrollerbuilder The Apicontrolleractionbuilder object needs to be called to build the dynamicapiactioninfo that the dynamicapicontrollerinfo contains.dynamicapicontrolleractionhelper: Static class, which is used to get all the methods of a type except for the property, except for the native method of object. Applicationservice, except for the list.dynamicapiverbhelper: Returns httpverb by convention
Learn Java concurrency programming have to understand java.util.concurrent this package, this package has many of the concurrency tools we often use, such as: Reentrantlock, Countdownlatch, Cyclicbarrier, Semaphore and so on. The underlying implementations of these classes depend on the Abstractqueuedsynchronizer class, which shows the importance of this class. So in the Java Concurrency Series I first abstractqueuedsynchronizer this class to analyze, because this class is more important, and th
PHP Code Maintenance, refactoring 4 reasons for difficulty analysis, 4 kinds of cause analysis
This paper analyzes the 4 reasons why PHP code maintenance and refactoring becomes difficult. Share to everyone for your reference, as follows:
Code maintenance, refactoring is a
Monkey source code analysis: Event source code
The previous article "running process of Monkey source code analysis" provided the whole process of running monkey, which gave us an overview. In the future, we will try to explain some related knowledge points.
Here we will fir
Java concurrent series of AbstractQueuedSynchronizer source code analysis (summary analysis ),
To learn Java concurrent programming, you have to understand the java. util. concurrent package. This package contains many frequently used concurrent tool classes, such as ReentrantLock, CountDownLatch, CyclicBarrier, and Semaphore. The underlying implementation of the
PHP code maintenance, refactoring, and four causes analysis. There are four reasons for PHP code maintenance and difficulty in refactoring, and four reasons for this analysis. This article describes four reasons for PHP code maintenance and difficulty in refactoring. I would
], Ev_read |
Ev_persist, EVSIG_CB, base);
Set the event state of the signal event to evlist_internal, that is, internal events, distinguish internal and external events base->sig.ev_signal.ev_flags |= evlist_internal;
Set the signal event priority to 0, that is, the highest priority, the signal Event priority processing Event_priority_set (base->sig.ev_signal, 0);
Set the background processing method of the signal event, Evsigops//below to analyze the specific execution of the si
the data on the server. The specific process is as follows:
Client requests a protected resource for the server
The server sends a request to the client to request username and password.
Client sends user name and password to server
The server returns the appropriate data to the client
This authentication method is not secure, the client sends the user name and password is Base64 form encrypted text, this situation of the user name and password is exposed, if someone c
Spring's AOP implementation principle, brewing some days, before writing blog confidence is not very sufficient, so re-read one side of the implementation of AOP core code, but also from the Internet to find some examples of spring AOP analysis, but found that vinegar buy dog meat too much, the title tall, Most of the content is relatively superficial some of the introduction, may also be due to the relativ
PHP source code analysis-session. auto_start configuration analysis
Author: zhanhailiang date:
Application Analysis
In daily development, if session. auto_start = 0 is configured in php. ini by default, session_start must be called to enable the session:
Kernel analysis
Android4.4 Component Analysis-service component-bindService source code analysis6.1.1. bindService
Because the code implementation process of startService is analyzed earlier, the Code Analysis of bindService is not described in detail. When introducing the process, you shou
mode private transient object[] elementdata;//object array, an array container that actually holds data, default initial 10 objectprivate int size; Number of objects actually stored private static final int max_array_size = integer.max_value-8; Maximum capacity; Because some virtual opportunities store some information in the array header, subtract 8 bytes of private void grow (int mincapacity) {//overflow-conscious
Run", e); System.exit ( -1); } } public static int Run (Configuration conf, tool tool, string[] args) throws exception{ if (conf = null) { CO NF = new Configuration (); } Genericoptionsparser parser = new Genericoptionsparser (conf, args); Set the configuration back, so the Tool can configure itself tool.setconf (conf); Get the args w/o generic Hadoop args string[] Toolargs = Parser.getremainingargs ();
type, it calls result. mTask. finish (result. mData [0]) method. We can see that the result type is AsyncTaskResult. The source code is as follows:
@SuppressWarnings({"RawUseOfParameterizedType"}) private static class AsyncTaskResultWe can see that mTask is the AsyncTask object. When the finish method of the AsyncTask object is called, onPostExecute is called again. At this time, the entire execution p
After the above socke is created, we will naturally think of the following work, that is, bind.
5.6 bind Analysis of l2cap
According to international practice, after the socket is built, bind is bound, haha ~~
if (l2cap_bind(sock, opts->src, server ? opts->psm : 0, opts->cid, err)
This function is as follows:
Static int l2cap_bind (int sock, const
Author: zhanhailiang Date: 2014-10-20
Application analysis
In daily development, the php.ini configuration session.auto_start=0 closes the session by default if you want to open the session to call Session_Start:
Kernel analysis By checking the source code, we know that session_start is defined as follows: 1881/* {{proto bool Session_Start (void
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