100e51f04SSiva Chandra Reddy //===-- Linux implementation of linkat ------------------------------------===// 200e51f04SSiva Chandra Reddy // 300e51f04SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 400e51f04SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information. 500e51f04SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 600e51f04SSiva Chandra Reddy // 700e51f04SSiva Chandra Reddy //===----------------------------------------------------------------------===// 800e51f04SSiva Chandra Reddy 900e51f04SSiva Chandra Reddy #include "src/unistd/linkat.h" 1000e51f04SSiva Chandra Reddy 1100e51f04SSiva Chandra Reddy #include "src/__support/OSUtil/syscall.h" // For internal syscall function. 1200e51f04SSiva Chandra Reddy #include "src/__support/common.h" 1300e51f04SSiva Chandra Reddy 14*abc49cc1SJob Henandez Lara #include "hdr/fcntl_macros.h" 155ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 16803437dbSMichael Jones #include "src/errno/libc_errno.h" 1700e51f04SSiva Chandra Reddy #include <sys/syscall.h> // For syscall numbers. 1800e51f04SSiva Chandra Reddy 195ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 2000e51f04SSiva Chandra Reddy 2100e51f04SSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, linkat, 2200e51f04SSiva Chandra Reddy (int fd1, const char *path1, int fd2, const char *path2, 2300e51f04SSiva Chandra Reddy int flags)) { 24b6bc9d72SGuillaume Chatelet int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_linkat, fd1, path1, fd2, 25b6bc9d72SGuillaume Chatelet path2, flags); 2600e51f04SSiva Chandra Reddy if (ret < 0) { 27204587a3SSiva Chandra Reddy libc_errno = -ret; 2800e51f04SSiva Chandra Reddy return -1; 2900e51f04SSiva Chandra Reddy } 3000e51f04SSiva Chandra Reddy return ret; 3100e51f04SSiva Chandra Reddy } 3200e51f04SSiva Chandra Reddy 335ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 34