摘要:
A memory barrier, also known as a membar, memory fence or fence instruction, 是一种屏障指令,它使中央处理单元(CPU)或编译器对在屏障指令之前和之后发出的内存操作强制执行排序约束。这通常意味着,在 屏障之前发出的操作 保证 阅读全文
摘要:
Table 4-9 Compiler storage of data objects by byte alignment TypeBytesAlignment char, bool, _Bool 1 Located at any byte address. short, wchar_t 2 Loca 阅读全文
摘要:
The keyword format is either of the following: __attribute__((attribute1, attribute2, ...)) __attribute__((__attribute1__, __attribute2__, ...)) For e 阅读全文