Linux Duplicate File Descriptor at Abbey Beatty blog

Linux Duplicate File Descriptor. Dup2 () makes newfd be the copy of oldfd, closing newfd first if. The dup() system call allocates a new file descriptor that refers to the same open file description as the descriptor oldfd. Under both windows and linux, dup() will duplicate the file descriptor, but both descriptors still point to the same file structure. The dup system call duplicates an existing file descriptor, returning a new one that refers to the same underlying i/o object. The dup() system call allocates a new file descriptor that refers to the same open file description as the descriptor oldfd. You can duplicate a file descriptor, or allocate another file descriptor that refers to the same open file as the original. When you duplicate file descriptors one onto another, you actually copy a pointer value from the source filedes to the target filedes, thus.

Dup2 () makes newfd be the copy of oldfd, closing newfd first if. Under both windows and linux, dup() will duplicate the file descriptor, but both descriptors still point to the same file structure. The dup() system call allocates a new file descriptor that refers to the same open file description as the descriptor oldfd. You can duplicate a file descriptor, or allocate another file descriptor that refers to the same open file as the original. The dup system call duplicates an existing file descriptor, returning a new one that refers to the same underlying i/o object. When you duplicate file descriptors one onto another, you actually copy a pointer value from the source filedes to the target filedes, thus. The dup() system call allocates a new file descriptor that refers to the same open file description as the descriptor oldfd.

how to copy directory in Linux with Examples Techgoeasy

Linux Duplicate File Descriptor When you duplicate file descriptors one onto another, you actually copy a pointer value from the source filedes to the target filedes, thus. You can duplicate a file descriptor, or allocate another file descriptor that refers to the same open file as the original. The dup system call duplicates an existing file descriptor, returning a new one that refers to the same underlying i/o object. The dup() system call allocates a new file descriptor that refers to the same open file description as the descriptor oldfd. Under both windows and linux, dup() will duplicate the file descriptor, but both descriptors still point to the same file structure. When you duplicate file descriptors one onto another, you actually copy a pointer value from the source filedes to the target filedes, thus. Dup2 () makes newfd be the copy of oldfd, closing newfd first if. The dup() system call allocates a new file descriptor that refers to the same open file description as the descriptor oldfd.

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