at v2.6.24 26 lines 730 B view raw
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/* These definitions are for GCC v3.x. */ 6#include <linux/compiler-gcc.h> 7 8#if __GNUC_MINOR__ >= 3 9# define __used __attribute__((__used__)) 10# define __attribute_used__ __used /* deprecated */ 11#else 12# define __used __attribute__((__unused__)) 13# define __attribute_used__ __used /* deprecated */ 14#endif 15 16#if __GNUC_MINOR__ >= 4 17#define __must_check __attribute__((warn_unused_result)) 18#endif 19 20/* 21 * A trick to suppress uninitialized variable warning without generating any 22 * code 23 */ 24#define uninitialized_var(x) x = x 25 26#define __always_inline inline __attribute__((always_inline))