41 lines · cpp
1//===-- Linux implementation of mkdir -------------------------------------===//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/stat/mkdir.h"10 11#include "src/__support/OSUtil/syscall.h" // For internal syscall function.12#include "src/__support/common.h"13 14#include "hdr/fcntl_macros.h"15#include "hdr/types/mode_t.h"16#include "src/__support/libc_errno.h"17#include "src/__support/macros/config.h"18#include <sys/stat.h>19#include <sys/syscall.h> // For syscall numbers.20 21namespace LIBC_NAMESPACE_DECL {22 23LLVM_LIBC_FUNCTION(int, mkdir, (const char *path, mode_t mode)) {24#ifdef SYS_mkdir25 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_mkdir, path, mode);26#elif defined(SYS_mkdirat)27 int ret =28 LIBC_NAMESPACE::syscall_impl<int>(SYS_mkdirat, AT_FDCWD, path, mode);29#else30#error "mkdir and mkdirat syscalls not available."31#endif32 33 if (ret < 0) {34 libc_errno = -ret;35 return -1;36 }37 return 0;38}39 40} // namespace LIBC_NAMESPACE_DECL41