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authorVictor Stinner <victor.stinner@haypocalc.com>2010-03-03 23:28:07 (GMT)
committerVictor Stinner <victor.stinner@haypocalc.com>2010-03-03 23:28:07 (GMT)
commit45b9be52de2a418761da197599c01d6719ac5b88 (patch)
tree455fbe266934b9c822a63d4fa4ea6126b534a6f0 /Python
parenta761227ae0595062897c3dfacfa01b8ed026288e (diff)
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Merged revisions 78638 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r78638 | victor.stinner | 2010-03-04 00:20:25 +0100 (jeu., 04 mars 2010) | 3 lines Issue #7544: Preallocate thread memory before creating the thread to avoid a fatal error in low memory condition. ........
Diffstat (limited to 'Python')
-rw-r--r--Python/pystate.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/Python/pystate.c b/Python/pystate.c
index 78c501e..eb2dfa6 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -157,8 +157,8 @@ threadstate_getframe(PyThreadState *self)
return self->frame;
}
-PyThreadState *
-PyThreadState_New(PyInterpreterState *interp)
+static PyThreadState *
+new_threadstate(PyInterpreterState *interp, int init)
{
PyThreadState *tstate = (PyThreadState *)malloc(sizeof(PyThreadState));
@@ -198,9 +198,8 @@ PyThreadState_New(PyInterpreterState *interp)
tstate->c_profileobj = NULL;
tstate->c_traceobj = NULL;
-#ifdef WITH_THREAD
- _PyGILState_NoteThreadState(tstate);
-#endif
+ if (init)
+ _PyThreadState_Init(tstate);
HEAD_LOCK();
tstate->next = interp->tstate_head;
@@ -211,6 +210,26 @@ PyThreadState_New(PyInterpreterState *interp)
return tstate;
}
+PyThreadState *
+PyThreadState_New(PyInterpreterState *interp)
+{
+ return new_threadstate(interp, 1);
+}
+
+PyThreadState *
+_PyThreadState_Prealloc(PyInterpreterState *interp)
+{
+ return new_threadstate(interp, 0);
+}
+
+void
+_PyThreadState_Init(PyThreadState *tstate)
+{
+#ifdef WITH_THREAD
+ _PyGILState_NoteThreadState(tstate);
+#endif
+}
+
PyObject*
PyState_FindModule(struct PyModuleDef* m)
{