[libc-commits] [libc] [libc] Add struct sigevent definition and proxy header. (PR #217699)

[Alexey Samsonov via libc-commits]

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@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Definition of struct sigevent type.
+/// https://man7.org/linux/man-pages/man3/sigevent.3type.html
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_TYPES_STRUCT_SIGEVENT_H
+#define LLVM_LIBC_TYPES_STRUCT_SIGEVENT_H
+
+#include "pid_t.h"
+#include "pthread_attr_t.h"
+#include "union_sigval.h"
+
+struct sigevent {
+  int sigev_notify;
+  int sigev_signo;
+  union sigval sigev_value;
+  void (*sigev_notify_function)(union sigval);
+  pthread_attr_t *sigev_notify_attributes;
+  pid_t sigev_notify_thread_id;
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vonosmas wrote:

This is only present on Linux. We do use `#ifdef __linux__` in some other struct definitions here, should we use it here as well?

https://github.com/llvm/llvm-project/pull/217699