file include

6. Name:: Pthread_detach Function: Causes the thread to enter a detached state. Header file: #include Function prototype: int Pthread_detach (pthread_t tid);

Advanced Programming for UNIX environments, POSIX multithreaded programming learning notes and key summaries. One, 4 states of the thread State Meaning Ready (Ready) The thread can run, but is waiting for the

Transferred from: http://www.ibm.com/developerworks/cn/linux/l-cn-kernelmodules/To maintain the stability and sustainability of the Linux kernel, the kernel introduces the feature of loadable modules in the development process. A kernel loadable

Linux Application Development-multi-process programming One creation processThe difference between fork and vfork1 Fork creates a child process that has its own data segment and stack and vfork creates a child process that shares the data segment

extern is a keyword that tells the compiler that there is a variable or function, and that if no corresponding variable or function is found, it is defined in the current file or file to see an example: #include using namespace std; int main () {

The difference between struct and class in c, To put it simply, struct is a value type. Creating a struct instance is allocated to the stack. A class is a reference type. Creating a class-type instance is assigned to the managed stack. However, the

I believe that friends who often use VC will not be unfamiliar with a lot of "hot, but it may be strange, why is the word "hot? If the program is modified, the system runs slowly and the fever is too high ??? None! Let me explain it below. Please

For those who have learned C ++, the keyword "virtual" is no stranger, because it is a tool in the program and can help us achieve dynamic Association. Next we will take a closer look at this keyword.First, we need to ask why the keyword "virtual"

The cfsetospeed and cfsetispeed functions are usually used to set the baud rate. The cfgetispeed and cfgetospeed functions are used to obtain the baud rate information. Cfsetospeed Function Header file: # Include Function prototype: Int cfsetospeed

  Intent: Defines a one-to-many dependency between objects. When the status of an object changes, all objects dependent on it are notified and automatically updated.     Applicable environment: 1) When an abstract model has two aspects, one of which

(1) fgets: Header file Include Define functions Char * fgets (char * s, int size, FILE * stream ); Function Description Fgets () is used to read characters from

PurposeThis document is a simple guidance document. Teaches you how to patch your kernel. This is the most basic job in kernel development.Patch is used to store files of different versions. By patching, you can upgrade the source code without

C # programmers learn how to call WebService In the Android development series, The first question I encountered when learning about Android development is how the Android client interacts with the server database? This is a big problem that plagued

Inter-process communication (4)-shared memory, Process Communication shared memory I will use several blogs to summarize several methods of communication between processes in Linux. I will write the summary at the beginning in each blog of this

About jni compiling 32-bit and 64-bit dynamic libraries (Android. mk and Application. mk files), jniapplication. mk   The latest new project needs to compile a 64-bit dynamic library, which records how to configure it. Add the Android. mk and

Explore boost pool library learning notes and boostpool learning notesPool      Memory Pool Overview   Normally, we are used to directly use APIs such as new and malloc to apply for memory allocation. The disadvantage of this is that the size of the

The shared memory zone is the fastest available IPC format. It allows multiple unrelated processes to access the same part of the Logical Memory. To transmit data between two running processes, shared memory is an extremely efficient solution. Once

The exit and _ exit functions are used to terminate a program normally: _ Exit immediately enters the kernel, and exit is used to execute some cleanup operations (including calling and executing various termination processes, close all standard I/O

In linux, GCC files are compiled together-general Linux technology-Linux programming and kernel information. The following is a detailed description. Do you know how to compile a few files with gcc? If you don't know, you can take a look. If you

Unix I/OThe input operation is to copy data from the I/O device to main memory, and the output operation is to copy data from main memory to I/O device.A file is a sequence of bytes.All I/O devices, such as networks, disks, and terminals, are