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has_waitpkg

subetha_core::cpuid

Function has_waitpkg 

Source 
pub fn has_waitpkg() -> bool
Expand description

Returns true when the CPU advertises the WAITPKG ISA extension (UMONITOR / UMWAIT / TPAUSE).

On x86_64 the result is cached after the first probe. On non-x86_64 targets this always returns false.