Export (0) Print
Expand All
Expand Minimize
This topic has not yet been rated - Rate this topic


Microsoft Specific

Emits the acceptance form of the IPF Memory Fence (mfa.a) instruction, which sets up a hardware memory fence in which all reads and writes must be accepted by the operating system.

void __mfa(void);
Intrinsic Architecture



Header file <intrin.h>

A hardware memory fence ensures that all memory reads and writes are made visible to all processors prior to any subsequent memory reads and writes. For more information, see the Intel IPF documentation.

This routine is only available as an intrinsic.

END Microsoft Specific

Did you find this helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

© 2014 Microsoft. All rights reserved.