From 0e2e14293e79f17acf79da38f410adb6d20b6a0a Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Sat, 4 Jun 2022 21:17:41 +0100
Subject: [PATCH] ucontext usage update on macos 64 bits. closes #2812

---
 libc-test/build.rs                      | 3 +++
 src/unix/bsd/apple/b64/aarch64/align.rs | 1 +
 2 files changed, 4 insertions(+)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index a3f940a3e823e..513fa3914ef5f 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -324,6 +324,9 @@ fn test_apple(target: &str) {
             // macOs 12 minimum
             "backtrace_async" => true,
 
+            // deprecated api
+            "getcontext" => true,
+
             _ => false,
         }
     });
diff --git a/src/unix/bsd/apple/b64/aarch64/align.rs b/src/unix/bsd/apple/b64/aarch64/align.rs
index 131e15b69ad94..29db97ec7c473 100644
--- a/src/unix/bsd/apple/b64/aarch64/align.rs
+++ b/src/unix/bsd/apple/b64/aarch64/align.rs
@@ -15,6 +15,7 @@ s! {
         pub uc_link: *mut ::ucontext_t,
         pub uc_mcsize: usize,
         pub uc_mcontext: mcontext_t,
+        __mcontext_data: __darwin_mcontext64,
     }
 
     pub struct __darwin_mcontext64 {