31 lines · cpp
1//===-- Implementation of sched_getscheduler ------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/sched/sched_getscheduler.h"10 11#include "src/__support/OSUtil/syscall.h" // For internal syscall function.12#include "src/__support/common.h"13#include "src/__support/libc_errno.h"14#include "src/__support/macros/config.h"15 16#include "hdr/types/pid_t.h"17#include <sys/syscall.h> // For syscall numbers.18 19namespace LIBC_NAMESPACE_DECL {20 21LLVM_LIBC_FUNCTION(int, sched_getscheduler, (pid_t tid)) {22 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_sched_getscheduler, tid);23 if (ret < 0) {24 libc_errno = -ret;25 return -1;26 }27 return ret;28}29 30} // namespace LIBC_NAMESPACE_DECL31