diff options
Diffstat (limited to 'Python/ceval.c')
| -rw-r--r-- | Python/ceval.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index 7862643..8ec00bc 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -107,17 +107,19 @@ static long dxp[256]; #endif /* per opcode cache */ -#ifdef Py_DEBUG -// --with-pydebug is used to find memory leak. opcache makes it harder. -// So we disable opcache when Py_DEBUG is defined. -// See bpo-37146 -#define OPCACHE_MIN_RUNS 0 /* disable opcache */ -#else -#define OPCACHE_MIN_RUNS 1024 /* create opcache when code executed this time */ -#endif +static int opcache_min_runs = 1024; /* create opcache when code executed this many times */ #define OPCODE_CACHE_MAX_TRIES 20 #define OPCACHE_STATS 0 /* Enable stats */ +// This function allows to deactivate the opcode cache. As different cache mechanisms may hold +// references, this can mess with the reference leak detector functionality so the cache needs +// to be deactivated in such scenarios to avoid false positives. See bpo-3714 for more information. +void +_PyEval_DeactivateOpCache(void) +{ + opcache_min_runs = 0; +} + #if OPCACHE_STATS static size_t opcache_code_objects = 0; static size_t opcache_code_objects_extra_mem = 0; @@ -1705,9 +1707,9 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, PyFrameObject *f, int throwflag) f->f_stackdepth = -1; f->f_state = FRAME_EXECUTING; - if (co->co_opcache_flag < OPCACHE_MIN_RUNS) { + if (co->co_opcache_flag < opcache_min_runs) { co->co_opcache_flag++; - if (co->co_opcache_flag == OPCACHE_MIN_RUNS) { + if (co->co_opcache_flag == opcache_min_runs) { if (_PyCode_InitOpcache(co) < 0) { goto exit_eval_frame; } |