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Regarding the handling of the accept mutex lock in nginx, the group has discussed many times and many people have raised various questions, such as: why are ngx_process_events_and_timers released after ngx_accept_mutex, do not clear ngx_accept_mutex_

Here, we use the nginx cache system as a clue to discuss the design and related details of a cache server. I try my best to analyze it from the perspective of design and framework. I will not refer to the code here, for details, please join us.

Two good blogs have been mentioned in the previous summary, and the HTTP processing process of nginx is well analyzed. Here we have some details to share with you. Digress: "Before seriously thinking about every line of code, do not really

One of the many problems encountered by beginners of opencv is that errors often occur when the # include opencv header file. The program is easy to understand. Anyone who understands opencv knows that the program has no errors, but compilation is a

After reading a bit of nginx source code, I found that the module idea of nginx really attracted me and I had to admire the ideas of Russians. I had to analyze the nginx source code, the first thing to understand is the module idea of nginx and the

I have been watching the beauty of programming recently. My thoughts are really important. I am not confident in this article today. I hope to discuss it with like-minded people!   From:

I have just installed hadoop and can't wait to play with hive. So I found some information and installed hive. Here I will record the detailed installation process and problems: 1. Before installing hadoop, first confirm that hadoop has been

First of all, I have to admire the care of foreigners. (I am sorry to the developers because I have read all the documents in foreign languages !). When the completion of the cocos2d-x, another giant made available-cocos2d-html5. First of all to

In the previous section, we talked about the event-driven module, which introduced us to the epoll module. Today we mainly learn how to use epoll to achieve time-driven and high concurrency for nginx; here we will not explain in detail the

In nginx 1.0.12 code, I found a function named ngx_reusable_connection (in which version it is added, I will not investigate it). I'm curious about what this function does. Later, when I discussed nginx in my group, someone found a strange

In section 21, we mentioned calling ngx_eventfind_timer () to obtain the timer and then passing it to the epoll module for the wait time. Today we will mainly explain this method. From: http://blog.csdn.net/lengzijian Timer In nginx is sorted by

static ngx_int_tngx_epoll_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags){ int op; uint32_t events, prev; ngx_event_t *e; ngx_connection_t *c; struct epoll_event ee; c =

Spin lock Introduction The nginx framework uses three message transmission methods: Shared Memory, socket, and signal. Nginx mainly uses three Synchronization Methods: Atomic operations, semaphores, and file locks. Based on atomic operations, nginx

I. Excellent modular design (1) highly abstract Module Interface all modules follow the same ngx_module_t interface design specifications. (2) The Module Interface is simple and flexible. The basic Module Interface ngx_module_t is simple enough. It

When a connection is established, nginx is fully considering the performance of the multi-core CPU architecture. Multiple worker sub-processes are used to listen to the same port, in this way, when multiple sub-processes establish a new connection

The assignment assigned by the teacher during the image processing course requires the number of rice grains and the size of each rice grain in rice.png. Rice.png: The general step is to perform edge detection and then fill in. Then, the open

Test environment in this article: Win7 + Virtual Machine VMWareVMware-workstation-full-7.1.4-385536 + ubuntu12.04 Nginx-1.4.0 To effectively study nginx source code, you must debug it. GDB is a useful tool. The following is a small example of

In view model transformation, vertex v transformation occurs in the reverse order, rather than in the order of its code. The following is an example. Consider the following

Asihttprequest is an open-source project directly on the cfnetwork. It provides an encapsulation of HTTP network transmission that is more convenient and powerful than the official website.Features:1. The downloaded data is saved directly to the

Reproduced from: http://www.minroad.com /? P = 419 void audioRouteChangeListenerCallback (void *inUserData,AudioSessionPropertyID inID,UInt32 inDataSize,const void *inData){UInt32 propertySize = sizeof(CFStringRef);AudioSessionInitialize(NULL,