From 956535f5cbc0808a69e19c1e6953fde2bf012881 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@golang.org>
Date: Sat, 2 Jan 2016 19:39:37 -0800
Subject: [PATCH] runtime: implement setsigstack for Solaris
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Change-Id: I0280d478b7d0a59d8e2082aa87fab6d7d9f36a18
Reviewed-on: https://go-review.googlesource.com/18158
Reviewed-by: Aram Hăvărneanu <aram@mgk.ro>
---
 src/runtime/os3_solaris.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/runtime/os3_solaris.go b/src/runtime/os3_solaris.go
index 0e6d2e55da..598beffa09 100644
--- a/src/runtime/os3_solaris.go
+++ b/src/runtime/os3_solaris.go
@@ -280,7 +280,14 @@ func setsig(i int32, fn uintptr, restart bool) {
 }
 
 func setsigstack(i int32) {
-	throw("setsigstack")
+	var sa sigactiont
+	sigaction(i, nil, &sa)
+	handler := *((*uintptr)(unsafe.Pointer(&sa._funcptr)))
+	if handler == 0 || handler == _SIG_DFL || handler == _SIG_IGN || sa.sa_flags&_SA_ONSTACK != 0 {
+		return
+	}
+	sa.sa_flags |= _SA_ONSTACK
+	sigaction(i, &sa, nil)
 }
 
 func getsig(i int32) uintptr {
-- 
2.50.0