函数原型:static __always_inline unsigned long usecs_to_jiffies(const unsigned int u) 返回类型:unsigned long 参数: 类型参数名称 const unsigned int u 413 如果__builtin_constant_p(u)则 414 如果u大于jiffies_to_usecs(Change timeval to jiffies, trying to avoid the* most obvious overflows)则返回...
函数名称:jiffies_to_usecs 函数原型:unsigned int jiffies_to_usecs(const unsigned long j) 返回类型:unsigned int 参数: 类型参数名称 const unsigned long j 397BUILD_BUG_ON - break compile if a condition is true(HZ > USEC_PER_SEC) 400 返回:USEC_PER_SEC除HZ乘j 调用...