Michael Jones 0b790afb06 [libc] add CPU_COUNT macro and backing function
Add the macro CPU_COUNT as well as a backing function to implement the
functionality.

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D135179
2022-10-04 15:22:55 -07:00

16 lines
645 B
C

//===-- Definition of macros from sched.h ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef __LLVM_LIBC_MACROS_LINUX_SCHED_MACROS_H
#define __LLVM_LIBC_MACROS_LINUX_SCHED_MACROS_H
#define CPU_COUNT_S(setsize, set) __sched_getcpucount(setsize, set)
#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t), set)
#endif // __LLVM_LIBC_MACROS_LINUX_SCHED_MACROS_H