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编译

本示例需要在FreeBSD中编译。推荐版本FreeBSD 13。

用法说明

本示例来自kqueue官方文档,监控文件系统指定目录,当新建或者删除文件的时候显示提示信息。

0xFF@FreeBSD:~/FreeBSD $ make
0xFF@FreeBSD:~/FreeBSD $ ./kqueue.out ./
Something was written in './'
struct kevent {
    uintptr_t   ident;      /* identifier for this event */
    int16_t     filter;     /* filter for event */
    uint16_t    flags;      /* general flags */
    uint32_t    fflags;     /* filter-specific flags */
    intptr_t    data;       /* filter-specific data */
    void        *udata;     /* opaque user data identifier */
};