Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __LINUX_COMPILER_H
2#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
3#endif
4
5#if __GNUC_MINOR__ < 2
6# error Sorry, your compiler is too old - please upgrade it.
7#endif
8
9#if __GNUC_MINOR__ >= 3
10# define __used __attribute__((__used__))
11#else
12# define __used __attribute__((__unused__))
13#endif
14
15#if __GNUC_MINOR__ >= 4
16#define __must_check __attribute__((warn_unused_result))
17#endif
18
19/*
20 * A trick to suppress uninitialized variable warning without generating any
21 * code
22 */
23#define uninitialized_var(x) x = x
24
25#define __always_inline inline __attribute__((always_inline))