ucontext usage update on macos 64 bits.

closes #2812
rust-lang · Jun 4, 2022 · ed28db1 · ed28db1
1 parent 99756b1
commit ed28db1
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diff --git 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
@@ -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 {

diff --git a/src/unix/bsd/apple/b64/mod.rs b/src/unix/bsd/apple/b64/mod.rs
@@ -56,6 +56,11 @@ s_no_extra_traits! {
     }
 }
 
+extern "C" {
+    #[allow(deprecated)]
+    pub fn getcontext(context: *mut ::ucontext_t) -> ::c_int;
+}
+
 cfg_if! {
     if #[cfg(feature = "extra_traits")] {
         impl PartialEq for pthread_attr_t {