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//===---------- Linux implementation of the Linux pkey_alloc function -----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/sys/mman/pkey_alloc.h"
#include "hdr/errno_macros.h" // For ENOSYS
#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
#include "src/__support/common.h"
#include "src/__support/libc_errno.h"
#include "src/__support/macros/config.h"
#include <sys/syscall.h> // For syscall numbers.
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(int, pkey_alloc,
(unsigned int flags, unsigned int access_rights)) {
#if !defined(SYS_pkey_alloc)
libc_errno = ENOSYS;
return -1;
#else
int ret =
LIBC_NAMESPACE::syscall_impl<int>(SYS_pkey_alloc, flags, access_rights);
if (ret < 0) {
libc_errno = -ret;
return -1;
}
return static_cast<int>(ret);
#endif
}
} // namespace LIBC_NAMESPACE_DECL
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