Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/linux/bug.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_BUG_H #define _LINUX_BUG_H #include <asm/bug.h> #include <linux/compiler.h> #include <linux/build_bug.h> enum bug_trap_type { BUG_TRAP_TYPE_NONE = 0, BUG_TRAP_TYPE_WARN = 1, BUG_TRAP_TYPE_BUG = 2, }; struct pt_regs; #ifdef __CHECKER__ #define MAYBE_BUILD_BUG_ON(cond) (0) #else /* __CHECKER__ */ #define MAYBE_BUILD_BUG_ON(cond) \ do { \ if (__builtin_constant_p((cond))) \ BUILD_BUG_ON(cond); \ else \ BUG_ON(cond); \ } while (0) #endif /* __CHECKER__ */ #ifdef CONFIG_GENERIC_BUG #include <asm-generic/bug.h> static inline int is_warning_bug(const struct bug_entry *bug) { return bug->flags & BUGFLAG_WARNING; } struct bug_entry *find_bug(unsigned long bugaddr); enum bug_trap_type report_bug(unsigned long bug_addr, struct pt_regs *regs); /* These are defined by the architecture */ int is_valid_bugaddr(unsigned long addr); void generic_bug_clear_once(void); #else /* !CONFIG_GENERIC_BUG */ static inline void *find_bug(unsigned long bugaddr) { return NULL; } static inline enum bug_trap_type report_bug(unsigned long bug_addr, struct pt_regs *regs) { return BUG_TRAP_TYPE_BUG; } static inline void generic_bug_clear_once(void) {} #endif /* CONFIG_GENERIC_BUG */ /* * Since detected data corruption should stop operation on the affected * structures. Return value must be checked and sanely acted on by caller. */ static inline __must_check bool check_data_corruption(bool v) { return v; } #define CHECK_DATA_CORRUPTION(condition, fmt, ...) \ check_data_corruption(({ \ bool corruption = unlikely(condition); \ if (corruption) { \ if (IS_ENABLED(CONFIG_BUG_ON_DATA_CORRUPTION)) { \ pr_err(fmt, ##__VA_ARGS__); \ BUG(); \ } else \ WARN(1, fmt, ##__VA_ARGS__); \ } \ corruption; \ })) #endif /* _LINUX_BUG_H */
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