33 lines · cpp
1//===---------- Linux implementation of the epoll_create1 function --------===//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/sys/epoll/epoll_create1.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#include <sys/syscall.h> // For syscall numbers.16 17namespace LIBC_NAMESPACE_DECL {18 19LLVM_LIBC_FUNCTION(int, epoll_create1, (int flags)) {20 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_epoll_create1, flags);21 22 // A negative return value indicates an error with the magnitude of the23 // value being the error code.24 if (ret < 0) {25 libc_errno = -ret;26 return -1;27 }28 29 return ret;30}31 32} // namespace LIBC_NAMESPACE_DECL33