diff options
Diffstat (limited to 'scripts/qemu.py')
| -rw-r--r-- | scripts/qemu.py | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/scripts/qemu.py b/scripts/qemu.py index fd4249f7a8..768611f1de 100644 --- a/scripts/qemu.py +++ b/scripts/qemu.py @@ -148,11 +148,19 @@ class QEMUMachine(object): if opts: options.append(opts) + # This did not exist before 3.4, but since then it is + # mandatory for our purpose + if hasattr(os, 'set_inheritable'): + os.set_inheritable(fd, True) + self._args.append('-add-fd') self._args.append(','.join(options)) return self - def send_fd_scm(self, fd_file_path): + # Exactly one of fd and file_path must be given. + # (If it is file_path, the helper will open that file and pass its + # own fd) + def send_fd_scm(self, fd=None, file_path=None): # In iotest.py, the qmp should always use unix socket. assert self._qmp.is_scm_available() if self._socket_scm_helper is None: @@ -160,12 +168,27 @@ class QEMUMachine(object): if not os.path.exists(self._socket_scm_helper): raise QEMUMachineError("%s does not exist" % self._socket_scm_helper) + + # This did not exist before 3.4, but since then it is + # mandatory for our purpose + if hasattr(os, 'set_inheritable'): + os.set_inheritable(self._qmp.get_sock_fd(), True) + if fd is not None: + os.set_inheritable(fd, True) + fd_param = ["%s" % self._socket_scm_helper, - "%d" % self._qmp.get_sock_fd(), - "%s" % fd_file_path] + "%d" % self._qmp.get_sock_fd()] + + if file_path is not None: + assert fd is None + fd_param.append(file_path) + else: + assert fd is not None + fd_param.append(str(fd)) + devnull = open(os.path.devnull, 'rb') proc = subprocess.Popen(fd_param, stdin=devnull, stdout=subprocess.PIPE, - stderr=subprocess.STDOUT) + stderr=subprocess.STDOUT, close_fds=False) output = proc.communicate()[0] if output: LOG.debug(output) @@ -286,7 +309,8 @@ class QEMUMachine(object): stdin=devnull, stdout=self._qemu_log_file, stderr=subprocess.STDOUT, - shell=False) + shell=False, + close_fds=False) self._post_launch() def wait(self): |