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-exception
6//
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 the
23 // 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_DECL
33

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source code of libc/src/sys/epoll/linux/epoll_create1.cpp