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电子工程专辑
1 年
如何复制文件描述符
在Linux系统编程中,复制文件描述符是一个常见的操作,通常使用dup或dup2函数来实现。 复制文件描述符的主要原理是创建一个新的文件描述符,该描述符与原始描述符共享相同的文件表项。这意味着它们引用同一个打开的文件,可以进行相同的读写操作,并共享 ...
Ars Technica
23 年
Strange dup2() problem on linux
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