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-rw-r--r--src/vpp-api/python/vpp_papi/vpp_papi.py12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/vpp-api/python/vpp_papi/vpp_papi.py b/src/vpp-api/python/vpp_papi/vpp_papi.py
index 8f179a21a9d..1f5cce23a79 100644
--- a/src/vpp-api/python/vpp_papi/vpp_papi.py
+++ b/src/vpp-api/python/vpp_papi/vpp_papi.py
@@ -16,7 +16,9 @@
from __future__ import print_function
from __future__ import absolute_import
+import ctypes
import sys
+import multiprocessing as mp
import os
import logging
import collections
@@ -263,16 +265,16 @@ class VPPApiClient(object):
atexit.register(vpp_atexit, weakref.ref(self))
class ContextId(object):
- """Thread-safe provider of unique context IDs."""
+ """Multiprocessing-safe provider of unique context IDs."""
def __init__(self):
- self.context = 0
- self.lock = threading.Lock()
+ self.context = mp.Value(ctypes.c_uint, 0)
+ self.lock = mp.Lock()
def __call__(self):
"""Get a new unique (or, at least, not recently used) context."""
with self.lock:
- self.context += 1
- return self.context
+ self.context.value += 1
+ return self.context.value
get_context = ContextId()
def get_type(self, name):