From 244163acad32fd7364e3b99b36cb62f6e50f7e0f Mon Sep 17 00:00:00 2001
From: Peter Johnson <johnson.peter@gmail.com>
Date: Thu, 19 Oct 2023 00:12:34 -0700
Subject: [PATCH] [wpinet] uv::Stream::TryWrite(): Return 0 on EAGAIN (#5784)

EAGAIN is a normal return value, but we want to just map it to 0 rather than handling it as an error.
---
 wpinet/src/main/native/cpp/uv/Stream.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/wpinet/src/main/native/cpp/uv/Stream.cpp b/wpinet/src/main/native/cpp/uv/Stream.cpp
index 83753cb2a4..e054003405 100644
--- a/wpinet/src/main/native/cpp/uv/Stream.cpp
+++ b/wpinet/src/main/native/cpp/uv/Stream.cpp
@@ -114,6 +114,9 @@ int Stream::TryWrite(std::span<const Buffer> bufs) {
     return UV_ECANCELED;
   }
   int val = uv_try_write(GetRawStream(), bufs.data(), bufs.size());
+  if (val == UV_EAGAIN) {
+    return 0;
+  }
   if (val < 0) {
     this->ReportError(val);
     return val;
@@ -127,6 +130,9 @@ int Stream::TryWrite2(std::span<const Buffer> bufs, Stream& send) {
   }
   int val = uv_try_write2(GetRawStream(), bufs.data(), bufs.size(),
                           send.GetRawStream());
+  if (val == UV_EAGAIN) {
+    return 0;
+  }
   if (val < 0) {
     this->ReportError(val);
     return val;