PISerial patch - close on read error

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_policy(SET CMP0017 NEW) # need include() with .cmake
 project(pip)
 set(pip_MAJOR    2)
 set(pip_MINOR    15)
-set(pip_REVISION 0)
+set(pip_REVISION 1)
 set(pip_SUFFIX   )
 set(pip_COMPANY  SHS)
 set(pip_DOMAIN   org.SHS)

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
 }