From d156fa303348b5bcc644f96d390382d7fb573a7b Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Sun, 21 Mar 2010 13:32:31 +0000 Subject: 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. ........ --- Python/pystate.c | 28 +++++++++++++++++++++++----- 1 file changed, 23 insertions(+), 5 deletions(-) (limited to 'Python') diff --git a/Python/pystate.c b/Python/pystate.c index da417c1032..343a97b00d 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) -- cgit v1.2.1