From d39b366841b6582535f540467e70f5a78056e7ec Mon Sep 17 00:00:00 2001
From: Zxilly <zxilly@outlook.com>
Date: Sun, 22 Sep 2024 19:04:36 +0000
Subject: [PATCH] runtime: disable epipe check for wasm platform

Pipe operation seems impossible for wasm build

Fixes #59099

Change-Id: Ibb526693dce4e867dabd92e5ace38a1adf18f401
GitHub-Last-Rev: d7dc3362717f4ddae2c026016812008d25783f4f
GitHub-Pull-Request: golang/go#69583
Reviewed-on: https://go-review.googlesource.com/c/go/+/614935
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
---
 src/runtime/os_wasm.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/runtime/os_wasm.go b/src/runtime/os_wasm.go
index fbf58439b9..15bc3131f1 100644
--- a/src/runtime/os_wasm.go
+++ b/src/runtime/os_wasm.go
@@ -109,10 +109,10 @@ func newosproc(mp *m) {
 	throw("newosproc: not implemented")
 }
 
+// Do nothing on WASM platform, always return EPIPE to caller.
+//
 //go:linkname os_sigpipe os.sigpipe
-func os_sigpipe() {
-	throw("too many writes on closed pipe")
-}
+func os_sigpipe() {}
 
 //go:linkname syscall_now syscall.now
 func syscall_now() (sec int64, nsec int32) {
-- 
2.48.1