1545b9542SSiva Chandra Reddy //===-- Implementation of sched_setaffinity -------------------------------===// 2545b9542SSiva Chandra Reddy // 3545b9542SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4545b9542SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information. 5545b9542SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6545b9542SSiva Chandra Reddy // 7545b9542SSiva Chandra Reddy //===----------------------------------------------------------------------===// 8545b9542SSiva Chandra Reddy 9545b9542SSiva Chandra Reddy #include "src/sched/sched_setaffinity.h" 10545b9542SSiva Chandra Reddy 11545b9542SSiva Chandra Reddy #include "src/__support/OSUtil/syscall.h" // For internal syscall function. 12545b9542SSiva Chandra Reddy #include "src/__support/common.h" 13*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 14d49b993fSSiva Chandra Reddy #include "src/errno/libc_errno.h" 15545b9542SSiva Chandra Reddy 16545b9542SSiva Chandra Reddy #include <sched.h> 17545b9542SSiva Chandra Reddy #include <sys/syscall.h> // For syscall numbers. 18545b9542SSiva Chandra Reddy 19*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 20545b9542SSiva Chandra Reddy 21545b9542SSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, sched_setaffinity, 22545b9542SSiva Chandra Reddy (pid_t tid, size_t cpuset_size, const cpu_set_t *mask)) { 23b6bc9d72SGuillaume Chatelet int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_sched_setaffinity, tid, 24f0a3954eSMichael Jones cpuset_size, mask); 25545b9542SSiva Chandra Reddy if (ret < 0) { 26d49b993fSSiva Chandra Reddy libc_errno = -ret; 27545b9542SSiva Chandra Reddy return -1; 28545b9542SSiva Chandra Reddy } 29545b9542SSiva Chandra Reddy return 0; 30545b9542SSiva Chandra Reddy } 31545b9542SSiva Chandra Reddy 32*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 33