WebMay 1, 2015 · Linux 进程安全上下文 struct cred 3 分钟读完 在学习LSM过程中,发现有的系统为实现特定功能,需要在进程上附加自定义的信息,其中一个系统laminar基于内核2.6,定义一个新的 struct task_security_struct,然后挂接到task_struct的void *security指针上,security指针是LSM框架的辅助信息。 WebOct 11, 2011 · 1. 先通过ioctl获得本地所有接口的信息,并保存在ifconf中 2. 再从ifconf中取出每一个ifreq中表示ip地址的信息. 具体使用时我们可以认为ifconf就有两个成员: ifc_len …
ioctl(SIOCGIFCONF) not returning ethernet… - Apple Community
WebNov 4, 2011 · +1 Nice example, although I'd like to note that your i will not represent the actual ifindex of the device, because not all of them will be returned if they are disabled. The buffers are many times bigger than it makes sense for them to be. You have char addrbuf[1024]; when 17 chars is enough for ipv4 and 40 is enough for ipv6. And sizeof … WebJul 9, 2024 · SIOCGIFCONF struct ifconf * Get the interface configuration list. This request takes an ifconf structure (see below) as a value-result parameter. The ifc_len field should be initially set to the size of the buffer pointed to by ifc_buf. On return it will contain the length, in bytes, of the configuration list. fishy face reveal
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Web记一次中大规模数据库迁移过程,从MySql到PostgreSQL. 从MySql到PostgreSQL迁移的决策过程就不说了。我也是第一次用PostgreSQL,也没法说好不好。 WebJan 4, 2016 · struct ifconf和struct ifreq,获取网线插入状态 2016-01-04 1026 简介: 这两天看用C获取当前网口的插入网线状态的程序,遇见了这两个不熟悉的结构体,看了头文件中的说明和详细。 Webstruct ifmap { unsigned long mem_start; unsigned long mem_end; unsigned short base_addr; unsigned char irq; unsigned char dma; unsigned char port; }; The interpretation of the … fishyfam discord