HackBase/python-cx_Oracle
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Ensure that the cloned environment is retained until all environment objects

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that were cloned from it have been destroyed.
This commit is contained in:
Anthony Tuininga 2008-11-11 21:55:56 +00:00
parent 3e6a6ef8b2
commit 2fc59ecb8d
1 changed files with 6 additions and 4 deletions
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10
Environment.c
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@ -13,7 +13,7 @@ typedef struct {
int maxBytesPerCharacter;
int fixedWidth;
ub4 maxStringBytes;
int cloned;
PyObject *cloneEnv;
} udt_Environment;
//-----------------------------------------------------------------------------
@ -78,7 +78,7 @@ static udt_Environment *Environment_New(
env->fixedWidth = 1;
env->maxBytesPerCharacter = CXORA_BYTES_PER_CHAR;
env->maxStringBytes = MAX_STRING_CHARS * CXORA_BYTES_PER_CHAR;
env->cloned = 0;
env->cloneEnv = NULL;
// create the error handle
status = OCIHandleAlloc(handle, (dvoid**) &env->errorHandle,
@ -174,7 +174,8 @@ static udt_Environment *Environment_Clone(
env->maxBytesPerCharacter = cloneEnv->maxBytesPerCharacter;
env->maxStringBytes = cloneEnv->maxStringBytes;
env->fixedWidth = cloneEnv->fixedWidth;
env->cloned = 1;
Py_INCREF(cloneEnv);
env->cloneEnv = (PyObject*) cloneEnv;
return env;
}
@ -189,8 +190,9 @@ static void Environment_Free(
{
if (environment->errorHandle)
OCIHandleFree(environment->errorHandle, OCI_HTYPE_ERROR);
if (environment->handle && !environment->cloned)
if (environment->handle && !environment->cloneEnv)
OCIHandleFree(environment->handle, OCI_HTYPE_ENV);
Py_CLEAR(environment->cloneEnv);
PyObject_DEL(environment);
}