PISerial patch - close on read error

2020-12-06 13:09:29 +03:00
parent 5de87eeed1
commit 3c543e79f0
2 changed files with 11 additions and 2 deletions
--- a/libs/main/io_devices/piserial.cpp
+++ b/libs/main/io_devices/piserial.cpp
@@ -709,7 +709,16 @@ int PISerial::readDevice(void * read_to, int max_size) {
 		return PRIVATE->readed;
 #else
 		if (!canRead()) return -1;
-		return ::read(fd, read_to, max_size);
+		int ret = ::read(fd, read_to, max_size);
+		if (ret < 0) {
+			int err = errno;
+			if (err == EBADF || err == EFAULT || err == EINVAL || err == EIO) {
+				PIThread::stop(false);
+				close();
+				return 0;
+			}
+		}
+		return ret;
 #endif
 }