Ipc

Brief As the name suggests, shared memory is a memory that may be shared by multiple programs with an intent to provide communication among them or avoid redundant copies. Points To Catch shmget() Creates a shared memory segment, The key argument could be semaphore ID shmat(): Shared segment can be attached to a process address space using this API It can be detached using shmdt(), A shared segment can be attached multiple times by the same process The original owner of a shared memory segment can assign ownership to another user with `shmctl() List out shared memory areas by ipcs -m Get more info on the particular shared memory area ipcs -m -i [shmid] Remove shared memory ipcrm shm [shmid] Server....

Brief A Unix domain socket or IPC socket is a data communications endpoint for exchanging data between processes executing on the same host operating system. The API for Unix domain sockets is similar to that of an Internet socket, but rather than using an underlying network protocol, all communication occurs entirely within the operating system kernel. Unix domain sockets use the file system as their address namespace. Processes reference Unix domain sockets as file system inodes, so two processes can communicate by opening the same socket....