解析 答:inline一般是用于定义联函数,联函数结合了函数以及宏的优点,在定义时和函数一样,编译器会对其参数进展检查;在使用时和宏类似,联函数的代码会被直接嵌入在它被调用的地方,这样省去了函数调用时的一些额外开销,比方保存和恢复函数返回地址等,可以加快速度。
extern int dynamic_cond_resched(void); static __always_inline int _cond_resched(void) { return dynamic_cond_resched(); } #else static inline int _cond_resched(void) 3 changes: 2 additions & 1 deletion 3 kernel/Kconfig.preempt Original file line numberDiff line numberDiff line change @@...
(struct static_key *key, bool branch)``, see: arch/x86/include/asm/jump_label.h * ``__always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)``, see: arch/x86/include/asm/jump_label.h * ``void arch_jump_label_transform(struct jump_entry *...
struct Frame { Frame(Regexp** sub, int nsub) : sub(sub), nsub(nsub), round(0) {} Regexp** sub; int nsub; int round; std::vector<Splice> splices; int spliceidx; }; int Regexp::FactorAlternation(Regexp** sub, int nsub, ParseFlags flags) { std::vector<Frame> stk; stk.emplac...