From 043e27a6a2b137be4639b11b785808410d1062f0 Mon Sep 17 00:00:00 2001
From: Andrey Konovalov <andreyknvl@gmail.com>
Date: Sat, 24 Aug 2024 02:47:00 +0200
Subject: [PATCH] Handle usb_raw_ep_read being interrupted

Commit 4a48d4662919 added a EINTR handler for usb_raw_ep_write but not
for usb_raw_ep_read; fix this.

Fixes #25.
---
 proxy.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/proxy.cpp b/proxy.cpp
index 8f2a9f0..d88cdc2 100644
--- a/proxy.cpp
+++ b/proxy.cpp
@@ -247,6 +247,11 @@ void *ep_loop_read(void *arg) {
 					ep.bEndpointAddress, transfer_type.c_str(), dir.c_str());
 				break;
 			}
+			if (rv < 0 && errno == EINTR) {
+				printf("EP%x(%s_%s): interface likely changing, stopping thread\n",
+					ep.bEndpointAddress, transfer_type.c_str(), dir.c_str());
+				break;
+			}
 			if (rv < 0) {
 				perror("usb_raw_ep_read()");
 				exit(EXIT_FAILURE);