Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef PERF_LINUX_KERNEL_H_
2#define PERF_LINUX_KERNEL_H_
3
4#ifndef offsetof
5#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
6#endif
7
8#ifndef container_of
9/**
10 * container_of - cast a member of a structure out to the containing structure
11 * @ptr: the pointer to the member.
12 * @type: the type of the container struct this is embedded in.
13 * @member: the name of the member within the struct.
14 *
15 */
16#define container_of(ptr, type, member) ({ \
17 const typeof(((type *)0)->member) * __mptr = (ptr); \
18 (type *)((char *)__mptr - offsetof(type, member)); })
19#endif
20
21#endif