Function core::arch::arm::__strexb

pub unsafe fn __strexb(value: u32, addr: *mut u8) -> u32

🔬 This is a nightly-only experimental API. (stdsimd #48556)

This is supported on ARM only.

对 8 位值执行独占 STR 指令

如果操作成功，则返回 0; 如果操作失败，则返回 1