It's not in Shared memory, so no values can be stored into it from the other processes, and you never initialized it, so it contains memory dirt, only coincidentally 0.

它不是在共享内存，所以没有值可以存储到它从其他进程，你没有初始化它，所以它包含内存污垢，巧合的是，0。

youdao

It's not in Shared memory, so no values can be stored into it from the other processes, and you never initialized it, so it contains memory dirt, only coincidentally 0.

它不是在共享内存，所以没有值可以存储到它从其他进程，你没有初始化它，所以它包含内存污垢，巧合的是，0。

youdao