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| author | Victor Stinner <victor.stinner@haypocalc.com> | 2010-03-03 23:20:25 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@haypocalc.com> | 2010-03-03 23:20:25 (GMT) |
| commit | 71fb87e64c51627564262fd64299f7ac79625404 (patch) | |
| tree | df72f580ff07a3bd5419e3a3509a8c5806a51836 /Python | |
| parent | 2379bb664ac33b77d076a9a8db59f73af9eb3c8f (diff) | |
| download | cpython-71fb87e64c51627564262fd64299f7ac79625404.zip cpython-71fb87e64c51627564262fd64299f7ac79625404.tar.gz cpython-71fb87e64c51627564262fd64299f7ac79625404.tar.bz2 | |
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.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/Python/pystate.c b/Python/pystate.c index da417c1..343a97b 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -154,8 +154,8 @@ 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)); @@ -193,9 +193,8 @@ 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; @@ -206,6 +205,25 @@ 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 +} void PyThreadState_Clear(PyThreadState *tstate) |