[libc-commits] [libc] [libc][signal] clean up usage of sighandler_t (PR #125745)

[Nick Desaulniers via libc-commits]

================
@@ -0,0 +1,17 @@
+//===-- Definition of sighandler_t ----------------------------------------===//
+//
+// 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_TYPES_SIGHANDLER_T_H
+#define LLVM_LIBC_TYPES_SIGHANDLER_T_H
+
+#ifdef __linux__
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nickdesaulniers wrote:

No, we don't currently hold folk's code hostage based on them defining `_GNU_SOURCE` or not, and I don't plan to add it.

https://github.com/llvm/llvm-project/pull/125745