qemu leaves unix socket files behind when removing a listening chardev
or leaving. qemu could clean that up, even if doing so isn't race-free.
Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1347077
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <
1466105332-10285-4-git-send-email-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
int socket_connect(SocketAddress *addr, Error **errp,
NonBlockingConnectHandler *callback, void *opaque);
int socket_listen(SocketAddress *addr, Error **errp);
+void socket_listen_cleanup(int fd, Error **errp);
int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp);
/* Old, ipv4 only bits. Don't use for new code. */
static void qio_channel_socket_finalize(Object *obj)
{
QIOChannelSocket *ioc = QIO_CHANNEL_SOCKET(obj);
+
if (ioc->fd != -1) {
+ if (QIO_CHANNEL(ioc)->features & QIO_CHANNEL_FEATURE_LISTEN) {
+ Error *err = NULL;
+
+ socket_listen_cleanup(ioc->fd, &err);
+ if (err) {
+ error_report_err(err);
+ err = NULL;
+ }
+ }
#ifdef WIN32
WSAEventSelect(ioc->fd, NULL, 0);
#endif
qapi_free_SocketAddress(listen_addr);
qapi_free_SocketAddress(connect_addr);
- unlink(TEST_SOCKET);
+ g_assert(g_file_test(TEST_SOCKET, G_FILE_TEST_EXISTS) == FALSE);
}
return fd;
}
+void socket_listen_cleanup(int fd, Error **errp)
+{
+ SocketAddress *addr;
+
+ addr = socket_local_address(fd, errp);
+
+ if (addr->type == SOCKET_ADDRESS_KIND_UNIX
+ && addr->u.q_unix.data->path) {
+ if (unlink(addr->u.q_unix.data->path) < 0 && errno != ENOENT) {
+ error_setg_errno(errp, errno,
+ "Failed to unlink socket %s",
+ addr->u.q_unix.data->path);
+ }
+ }
+
+ g_free(addr);
+}
+
int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp)
{
int fd;