[libc-commits] [libc] [libc] Implement getsockopt and setsockopt on linux (PR #192237)

[Jeff Bailey via libc-commits]

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@@ -0,0 +1,49 @@
+//===-- Implementation header for getsockopt --------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC___SUPPORT_OSUTIL_SYSCALL_WRAPPERS_GETSOCKOPT_H
+#define LLVM_LIBC_SRC___SUPPORT_OSUTIL_SYSCALL_WRAPPERS_GETSOCKOPT_H
+
+#include "src/__support/OSUtil/linux/syscall.h" // syscall_impl
+#include "src/__support/common.h"
+#include "src/__support/error_or.h"
+#include "src/__support/macros/config.h"
+
+#include "hdr/types/socklen_t.h"
+#include <linux/net.h>   // For SYS_GETSOCKOPT socketcall number.
+#include <sys/syscall.h> // For syscall numbers
+
+namespace LIBC_NAMESPACE_DECL {
+namespace linux_syscalls {
+
+LIBC_INLINE ErrorOr<int> getsockopt(int sockfd, int level, int optname,
+                                    void *optval, socklen_t *optlen) {
+#ifdef SYS_getsockopt
+  int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_getsockopt, sockfd, level,
----------------
kaladron wrote:

```suggestion
  int ret = syscall_impl<int>(SYS_getsockopt, sockfd, level,
```

https://github.com/llvm/llvm-project/pull/192237