From 0cd65a99c5d3004ed9de2845dd2d4001a52c7887 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Sat, 9 Dec 2023 18:23:06 +0000
Subject: [PATCH] openbsd riscv64 adding sigcontext

---
 src/unix/bsd/netbsdlike/openbsd/riscv64.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/unix/bsd/netbsdlike/openbsd/riscv64.rs b/src/unix/bsd/netbsdlike/openbsd/riscv64.rs
index 99350ec8dc3d4..35f1672bbec9e 100644
--- a/src/unix/bsd/netbsdlike/openbsd/riscv64.rs
+++ b/src/unix/bsd/netbsdlike/openbsd/riscv64.rs
@@ -1,6 +1,25 @@
 pub type c_long = i64;
 pub type c_ulong = u64;
 pub type c_char = u8;
+pub type ucontext_t = sigcontext;
+
+s! {
+    pub struct sigcontext {
+        __sc_unused: ::c_int,
+        pub sc_mask: ::c_int,
+        pub sc_ra: ::c_long,
+        pub sc_sp: ::c_long,
+        pub sc_gp: ::c_long,
+        pub sc_tp: ::c_long,
+        pub sc_t: [::c_long; 7],
+        pub sc_s: [::c_long; 12],
+        pub sc_a: [::c_long; 8],
+        pub sc_sepc: ::c_long,
+        pub sc_f: [::c_long; 32],
+        pub sc_fcsr: ::c_long,
+        pub sc_cookie: ::c_long,
+    }
+}
 
 // should be pub(crate), but that requires Rust 1.18.0
 cfg_if! {