From 81adcd533e168bee9a16f30f690cf72aa99c1eb6 Mon Sep 17 00:00:00 2001
From: lithdew <kenta@lithdew.net>
Date: Mon, 12 Apr 2021 17:26:28 +0900
Subject: [PATCH] os/posix: handle ECONNRESET for write/writev

---
 lib/std/os.zig | 5 +++++
 src/main.zig   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/lib/std/os.zig b/lib/std/os.zig
index 9826ba46f1..7342db0d01 100644
--- a/lib/std/os.zig
+++ b/lib/std/os.zig
@@ -675,6 +675,9 @@ pub const WriteError = error{
     /// This error occurs when no global event loop is configured,
     /// and reading from the file descriptor would block.
     WouldBlock,
+
+    /// Connection reset by peer.
+    ConnectionResetByPeer,
 } || UnexpectedError;
 
 /// Write to a file descriptor.
@@ -752,6 +755,7 @@ pub fn write(fd: fd_t, bytes: []const u8) WriteError!usize {
             ENOSPC => return error.NoSpaceLeft,
             EPERM => return error.AccessDenied,
             EPIPE => return error.BrokenPipe,
+            ECONNRESET => return error.ConnectionResetByPeer,
             else => |err| return unexpectedErrno(err),
         }
     }
@@ -820,6 +824,7 @@ pub fn writev(fd: fd_t, iov: []const iovec_const) WriteError!usize {
             ENOSPC => return error.NoSpaceLeft,
             EPERM => return error.AccessDenied,
             EPIPE => return error.BrokenPipe,
+            ECONNRESET => return error.ConnectionResetByPeer,
             else => |err| return unexpectedErrno(err),
         }
     }
diff --git a/src/main.zig b/src/main.zig
index e5470a8cca..d9ca5da154 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -2859,6 +2859,7 @@ const FmtError = error{
     Unseekable,
     NotOpenForWriting,
     UnsupportedEncoding,
+    ConnectionResetByPeer,
 } || fs.File.OpenError;
 
 fn fmtPath(fmt: *Fmt, file_path: []const u8, check_mode: bool, dir: fs.Dir, sub_path: []const u8) FmtError!void {