[libc-commits] [libc] [libc] Add sys/xattr.h and entrypoints flistxattr, listxattr, and llistxattr. (PR #224357)

[Alex Strelnikov via libc-commits]

================
@@ -7,27 +7,30 @@
 //===----------------------------------------------------------------------===//
 ///
 /// \file
-/// Syscall wrapper for flock.
+/// Syscall wrapper for flistxattr.
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_LIBC_SRC___SUPPORT_OSUTIL_SYSCALL_WRAPPERS_FLOCK_H
-#define LLVM_LIBC_SRC___SUPPORT_OSUTIL_SYSCALL_WRAPPERS_FLOCK_H
+#ifndef LLVM_LIBC_SRC___SUPPORT_OSUTIL_SYSCALL_WRAPPERS_FLISTXATTR_H
+#define LLVM_LIBC_SRC___SUPPORT_OSUTIL_SYSCALL_WRAPPERS_FLISTXATTR_H
 
-#include "src/__support/OSUtil/linux/syscall.h" // For syscall_checked
+#include "src/__support/OSUtil/linux/syscall.h"
 #include "src/__support/common.h"
 #include "src/__support/error_or.h"
 #include "src/__support/macros/config.h"
-#include <sys/syscall.h> // For syscall numbers
+#include <sys/syscall.h>
 
 namespace LIBC_NAMESPACE_DECL {
 namespace linux_syscalls {
 
-LIBC_INLINE ErrorOr<int> flock(int fd, int op) {
-  return syscall_checked<int>(SYS_flock, fd, op);
+LIBC_INLINE ErrorOr<ssize_t> flistxattr(int fd, char *list, size_t size) {
+  ssize_t ret = syscall_impl<ssize_t>(SYS_flistxattr, fd, list, size);
+  if (ret < 0)
+    return Error(-static_cast<int>(ret));
+  return ret;
----------------
strel-12 wrote:

Done.

https://github.com/llvm/llvm-project/pull/224357