--- title: "_enable | Microsoft Docs" ms.custom: "" ms.date: "11/04/2016" ms.reviewer: "" ms.suite: "" ms.technology: - "cpp-tools" ms.tgt_pltfrm: "" ms.topic: "article" f1_keywords: - "_enable" - "_enable_cpp" dev_langs: - "C++" helpviewer_keywords: - "enable intrinsic" - "_enable intrinsic" - "ssm instruction" ms.assetid: 8bee669b-6bd8-4e25-9383-bb7d57295b4d caps.latest.revision: 12 author: "corob-msft" ms.author: "corob" manager: "ghogen" translation.priority.ht: - "cs-cz" - "de-de" - "es-es" - "fr-fr" - "it-it" - "ja-jp" - "ko-kr" - "pl-pl" - "pt-br" - "ru-ru" - "tr-tr" - "zh-cn" - "zh-tw" --- # _enable **Microsoft Specific** Enables interrupts. ## Syntax ``` void _enable(void); ``` ## Requirements |Intrinsic|Architecture| |---------------|------------------| |`_enable`|x86, ARM, [!INCLUDE[vcprx64](../assembler/inline/includes/vcprx64_md.md)]| **Header file** \ ## Remarks `_enable` instructs the processor to set the interrupt flag. On x86 systems, this function generates the Set Interrupt Flag (`sti`) instruction. This function is only available in kernel mode. If used in user mode, a Privileged Instruction exception is thrown. **END Microsoft Specific** ## See Also [Compiler Intrinsics](../intrinsics/compiler-intrinsics.md)