在68k岁好的日子里,由于打点人与其他更通用的地址登记册之间的相对一般关系,预先/后点的加点/发价或少保证为原子。 由于这种行为显然是一种68k手工艺品,可能无法在备用平台上取得最有效的实施,因此,我认为C规格没有就这些行动的“分类”提出主张,这是正确的。
假设C类具体化没有就这些行动的“分类”提出主张,这是正确的。
是的。 现行标准(C99和C89,IIRC)没有对原子提出主张。 这无疑是针对具体平台的,可能也取决于汇编者。
Why is it necessary for these operations to be atomic, if I may ask?
无论标准是什么具体规定,80x86点算法和“湿”点的转让不是原子的,但点值和派任均在“int”为32比方或大于或的所有平台上由原读和原写组成。 点数与星体相同(一些嵌入式平台有16条轨道,但24条轨道点)。 改换标准顺序几乎永远不会成为任何多加工体结构的原子单位,除非我们采取明确措施,使其成为现实。
除非有明确记载,否则永远不会有原子保障。 根据目前的C标准,这意味着no可携带代码能够保证原子——原子操作者必然是针对具体平台的。
正如“@ninjalj”在其评论中指出的那样,C1x将增加原子操作员。
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