C語言

2024年6月4日 — As far as the C standard goes, I believe the situation is clear: a volatile struct member is a volatile-qualified variable and the rules for ...

2022年5月26日 — ... volatile-qualified type. 1struct data 2 int a; 3 int b; 4}; 5 6void volatile_test(void) 7 8 volatile struct data d = 10, 20}; 9 volatile ...

2013年9月16日 — volatile是C程序員和嵌入式 ... Finally, if you apply volatile to a struct or union, the entire contents of the struct/union are volatile.

2021年10月10日 — Some times it is useful to use volatile keyword with user-defined data types. If you need, we have a detailed explanation of Structures in C.

2009年6月11日 — You can mark the entire struct as volatile by using volatile struct _a ...} but the method above is for individual fields.

2018年9月12日 — If you declare the struct volatile, all members are volatile, which may or not be what you want. In some instances, you may wish only certain ...

2010年8月3日 — According to the ARM ABI, volatile is applied recursively to all members of a struct. I am not sure what the C standard says about (non-volatile) ...

2010年1月11日 — The underlying data is volatile. One thing to think about is that the 'effective' pointer is not modifiable (it's always the address of the ...

2023年11月30日 — volatile is used to instruct a C or C++ compiler that a variable contains an address that is not mapped to conventional memory. This suppresses ...

2021年2月23日 — When a struct is declared as volatile, that gets pushed through to all of the struct's members. If the members are already marked as volatile ...