Author: Armin Rigo <ar...@tunes.org>
Branch: nogil-unsafe-2
Changeset: r90419:ef99e1203aa4
Date: 2017-02-28 13:20 +0100
http://bitbucket.org/pypy/pypy/changeset/ef99e1203aa4/
Log: (fijal, arigo) add the test
diff --git a/rpython/memory/gc/test/test_thread.py
b/rpython/memory/gc/test/test_thread.py
new file mode 100644
--- /dev/null
+++ b/rpython/memory/gc/test/test_thread.py
@@ -0,0 +1,37 @@
+import pytest
+from rpython.rtyper.lltypesystem import lltype
+from rpython.memory.gc import incminimark
+from rpython.memory.gc.test.test_direct import BaseDirectGCTest, S
+
+
+class LocalsForTests:
+ pass
+
+
+class ThreadSwitcher:
+ all_threadlocals = [incminimark.NURSERY_FREE,
+ incminimark.NURSERY_TOP,
+ incminimark.NEXT_NUBLOCK,
+ ]
+
+ def __init__(self):
+ self.cache = {}
+ self.switch_thread(0)
+
+ def switch_thread(self, thread_num):
+ for tl in self.all_threadlocals:
+ tl.local = self.cache.setdefault((tl, thread_num),
LocalsForTests())
+
+
+class TestMultithreaded(BaseDirectGCTest):
+ from rpython.memory.gc.incminimark import IncrementalMiniMarkGC as GCClass
+
+ def test_malloc_fixedsize(self):
+ ts = ThreadSwitcher()
+ for i in range(1000):
+ p = self.malloc(S)
+ p.x = 42
+ assert p.prev == lltype.nullptr(S)
+ assert p.next == lltype.nullptr(S)
+ ts.switch_thread(i & 1)
+ #...
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