1 files changed, 29 insertions, 2 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/process/wait.rs b/vendor/rustix/src/backend/linux_raw/process/wait.rs
index edc564a9f..9af7f2b5e 100644
--- a/vendor/rustix/src/backend/linux_raw/process/wait.rs
+++ b/vendor/rustix/src/backend/linux_raw/process/wait.rs
@@ -1,8 +1,9 @@
 // The functions replacing the C macros use the same names as in libc.
-#![allow(non_snake_case)]
+#![allow(non_snake_case, unsafe_code)]
 
+use linux_raw_sys::ctypes::c_int;
 pub(crate) use linux_raw_sys::general::{
-    WCONTINUED, WEXITED, WNOHANG, WNOWAIT, WSTOPPED, WUNTRACED,
+    siginfo_t, WCONTINUED, WEXITED, WNOHANG, WNOWAIT, WSTOPPED, WUNTRACED,
 };
 
 #[inline]
@@ -39,3 +40,29 @@ pub(crate) fn WIFEXITED(status: u32) -> bool {
 pub(crate) fn WEXITSTATUS(status: u32) -> u32 {
     (status >> 8) & 0xff
 }
+
+pub(crate) trait SiginfoExt {
+    fn si_code(&self) -> c_int;
+    unsafe fn si_status(&self) -> c_int;
+}
+
+impl SiginfoExt for siginfo_t {
+    #[inline]
+    fn si_code(&self) -> c_int {
+        // SAFETY: This is technically a union access, but it's only a union
+        // with padding.
+        unsafe { self.__bindgen_anon_1.__bindgen_anon_1.si_code }
+    }
+
+    /// Return the exit status or signal number recorded in a `siginfo_t`.
+    ///
+    /// # Safety
+    ///
+    /// `si_signo` must equal `SIGCHLD` (as it is guaranteed to do after a
+    /// `waitid` call).
+    #[inline]
+    #[rustfmt::skip]
+    unsafe fn si_status(&self) -> c_int {
+        self.__bindgen_anon_1.__bindgen_anon_1._sifields._sigchld._status
+    }
+}