close()函数UnixLinux

close 系统调用的作用是关闭一个文件描述符，使得其不再指向任何文件，同时该文件描述符也可供后续 open 等操作复用。

描述. close() closes a file descriptor, so that it no longer refers to any file and may be reused. Any record locks (see fcntl(2)) held on the file it was ...

DESCRIPTION top. close() closes a file descriptor, so that it no longer refers to any file and may be reused. Any record locks (see fcntl(2)) held on the file ...

Description. close() closes a file descriptor, so that it no longer refers to any file and may be reused. Any record locks (see fcntl(2)) held on the file it ...

The close() function shall deallocate the file descriptor indicated by fildes. To deallocate means to make the file descriptor available for return by ...

The close() function shall deallocate the file descriptor indicated by fildes. To deallocate means to make the file descriptor available for return by ...

2023年8月9日 — The close system call is used to close a file descriptor that was previously obtained by the open system call. It takes the file descriptor as ...

linux系統編程之文件與IO（一）：文件描述符、open，close. 1. 什麼是IO？ 輸入/輸出是主存和外部設備之間拷貝數據的過程. 設備->內存（輸入操作）; 內存->設備（輸出 ...

函数功能 close() closes a file descriptor, so that it no longer refers to any file and may be reused.

從昨天追蹤 open 的經驗，我們可以預期 close 的操作應該也會涉及到程序的 fstable 結構，從裡面將指定的fd移除之類的。