Author: Justin Peel <notmuchtot...@gmail.com>
Branch: rgc-mem-pressure
Changeset: r48160:1fda06647621
Date: 2011-10-17 14:44 -0600
http://bitbucket.org/pypy/pypy/changeset/1fda06647621/
Log: Add memory pressure to locks
diff --git a/pypy/module/thread/ll_thread.py b/pypy/module/thread/ll_thread.py
--- a/pypy/module/thread/ll_thread.py
+++ b/pypy/module/thread/ll_thread.py
@@ -2,10 +2,11 @@
from pypy.rpython.lltypesystem import rffi, lltype, llmemory
from pypy.translator.tool.cbuild import ExternalCompilationInfo
import py
-from pypy.rlib import jit
+from pypy.rlib import jit, rgc
from pypy.rlib.debug import ll_assert
from pypy.rlib.objectmodel import we_are_translated
from pypy.rpython.lltypesystem.lloperation import llop
+from pypy.rpython.tool import rffi_platform
from pypy.tool import autopath
class error(Exception):
@@ -49,7 +50,7 @@
TLOCKP = rffi.COpaquePtr('struct RPyOpaque_ThreadLock',
compilation_info=eci)
-
+TLOCKP_SIZE = rffi_platform.sizeof('struct RPyOpaque_ThreadLock', eci)
c_thread_lock_init = llexternal('RPyThreadLockInit', [TLOCKP], rffi.INT,
threadsafe=False) # may add in a global list
c_thread_lock_dealloc_NOAUTO = llexternal('RPyOpaqueDealloc_ThreadLock',
@@ -164,6 +165,9 @@
if rffi.cast(lltype.Signed, res) <= 0:
lltype.free(ll_lock, flavor='raw', track_allocation=False)
raise error("out of resources")
+ # Add some memory pressure for the size of the lock because it is an
+ # Opaque object
+ rgc.add_memory_pressure(TLOCKP_SIZE)
return ll_lock
def free_ll_lock(ll_lock):
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