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urlmon: Make session object thread safe.

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This commit is contained in:
Jacek Caban 2008-02-21 13:08:44 +01:00 committed by Alexandre Julliard
parent a23a36077c
commit a821cc34f6
1 changed files with 56 additions and 20 deletions
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76
dlls/urlmon/session.c
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@ -43,6 +43,15 @@ typedef struct mime_filter {
static name_space *name_space_list = NULL;
static mime_filter *mime_filter_list = NULL;
static CRITICAL_SECTION session_cs;
static CRITICAL_SECTION_DEBUG session_cs_dbg =
{
0, 0, &session_cs,
{ &session_cs_dbg.ProcessLocksList, &session_cs_dbg.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": session") }
};
static CRITICAL_SECTION session_cs = { &session_cs_dbg, -1, 0, 0, 0, 0 };
static name_space *find_name_space(LPCWSTR protocol)
{
name_space *iter;
@ -115,9 +124,13 @@ static HRESULT register_namespace(IClassFactory *cf, REFIID clsid, LPCWSTR proto
new_name_space->urlmon = urlmon_protocol;
new_name_space->protocol = heap_strdupW(protocol);
EnterCriticalSection(&session_cs);
new_name_space->next = name_space_list;
name_space_list = new_name_space;
LeaveCriticalSection(&session_cs);
return S_OK;
}
@ -125,6 +138,8 @@ static HRESULT unregister_namespace(IClassFactory *cf, LPCWSTR protocol)
{
name_space *iter, *last = NULL;
EnterCriticalSection(&session_cs);
for(iter = name_space_list; iter; iter = iter->next) {
if(iter->cf == cf && !strcmpW(iter->protocol, protocol))
break;
@ -136,7 +151,11 @@ static HRESULT unregister_namespace(IClassFactory *cf, LPCWSTR protocol)
last->next = iter->next;
else
name_space_list = iter->next;
}
LeaveCriticalSection(&session_cs);
if(iter) {
if(!iter->urlmon)
IClassFactory_Release(iter->cf);
heap_free(iter->protocol);
@ -183,20 +202,20 @@ IInternetProtocolInfo *get_protocol_info(LPCWSTR url)
if(FAILED(hres) || !schema_len)
return NULL;
EnterCriticalSection(&session_cs);
ns = find_name_space(schema);
if(ns) {
if(ns->urlmon)
return NULL;
if(ns && !ns->urlmon) {
hres = IClassFactory_QueryInterface(ns->cf, &IID_IInternetProtocolInfo, (void**)&ret);
if(SUCCEEDED(hres))
return ret;
hres = IClassFactory_CreateInstance(ns->cf, NULL, &IID_IInternetProtocolInfo, (void**)&ret);
if(SUCCEEDED(hres))
return ret;
if(FAILED(hres))
hres = IClassFactory_CreateInstance(ns->cf, NULL, &IID_IInternetProtocolInfo, (void**)&ret);
}
LeaveCriticalSection(&session_cs);
if(ns && SUCCEEDED(hres))
return ret;
hres = get_protocol_cf(schema, schema_len, NULL, &cf);
if(FAILED(hres))
return NULL;
@ -216,20 +235,28 @@ HRESULT get_protocol_handler(LPCWSTR url, CLSID *clsid, IClassFactory **ret)
DWORD schema_len;
HRESULT hres;
*ret = NULL;
hres = CoInternetParseUrl(url, PARSE_SCHEMA, 0, schema, sizeof(schema)/sizeof(schema[0]),
&schema_len, 0);
if(FAILED(hres) || !schema_len)
return schema_len ? hres : E_FAIL;
EnterCriticalSection(&session_cs);
ns = find_name_space(schema);
if(ns) {
*ret = ns->cf;
IClassFactory_AddRef(*ret);
if(clsid)
*clsid = ns->clsid;
return S_OK;
}
LeaveCriticalSection(&session_cs);
if(*ret)
return S_OK;
return get_protocol_cf(schema, schema_len, clsid, ret);
}
@ -305,9 +332,13 @@ static HRESULT WINAPI InternetSession_RegisterMimeFilter(IInternetSession *iface
filter->clsid = *rclsid;
filter->mime = heap_strdupW(pwzType);
EnterCriticalSection(&session_cs);
filter->next = mime_filter_list;
mime_filter_list = filter;
LeaveCriticalSection(&session_cs);
return S_OK;
}
@ -318,23 +349,28 @@ static HRESULT WINAPI InternetSession_UnregisterMimeFilter(IInternetSession *ifa
TRACE("(%p %s)\n", pCF, debugstr_w(pwzType));
EnterCriticalSection(&session_cs);
for(iter = mime_filter_list; iter; iter = iter->next) {
if(iter->cf == pCF && !strcmpW(iter->mime, pwzType))
break;
prev = iter;
}
if(!iter)
return S_OK;
if(iter) {
if(prev)
prev->next = iter->next;
else
mime_filter_list = iter->next;
}
if(prev)
prev->next = iter->next;
else
mime_filter_list = iter->next;
LeaveCriticalSection(&session_cs);
IClassFactory_Release(iter->cf);
heap_free(iter->mime);
heap_free(iter);
if(iter) {
IClassFactory_Release(iter->cf);
heap_free(iter->mime);
heap_free(iter);
}
return S_OK;
}