fork returns

  Fork introduction:Fork stands for the meaning of "branching and branching". In the operating system, fork is a famous Unix (or Unix-like, such as Linux or minix) to create a sub-process. [Note1]What is the role of Fork? In other words, what is the

Fork introduction:Fork stands for the meaning of "branching and branching". In the operating system, fork is a famous Unix (or Unix-like, such as Linux or minix) to create a sub-process. [Note1]What is the role of Fork? In other words, what is the

http://blog.csdn.net/jason314/article/details/5640969The fork () call will copy a new process that is almost identical to the current process (except for the fork's return value), each of which has its own space, each with its own local variables,

I. Introduction to fork   A process, including code, data, and resources allocated to the process. The fork () function creates a process that is almost identical to the original process through system calls, that is, the two processes can do

Transferred from: http://blog.csdn.net/jason314/article/details/5640969First, Fork Introduction knowledgeA process, including code, data, and resources assigned to the process. The fork () function creates a process that is almost identical to the

Understanding of fork () functions, and understanding of fork FunctionsAuthor:Wang Shanshan, a lecturer at Huaqing vision embedded College. For those who are new to Unix/Linux operating systems and Write multi-process programs in Linux, fork is one

First, fork introductory knowledge A process that includes code, data, and resources assigned to the process. The fork () function creates a process that is almost exactly the same as the original process through system calls, where two processes

When a thread calls a function fork, the entire process address space is copied to the child process, Copy-on-write is mentioned in section 8.3. A child process is a process that is completely different from the parent process, but if neither the

Transfer from:: http://blog.csdn.net/jason314/article/details/5640969First, Fork Introduction knowledgeA process, including code, data, and resources assigned to the process. The fork () function creates a process that is almost identical to the

First, Fork Introduction knowledgeA process, including code, data, and resources assigned to the process. The fork () function creates a process that is almost identical to the original process through a system call.That is, two processes can do