[libvirt] [PATCH v2 03/15] test: turn 'defaultConn' into a pointer
Pavel Hrdina
phrdina at redhat.com
Wed Jun 24 14:33:37 UTC 2015
On Wed, Jun 24, 2015 at 04:11:45PM +0200, Peter Krempa wrote:
> ---
> src/test/test_driver.c | 46 ++++++++++++++++++++++++++++------------------
> 1 file changed, 28 insertions(+), 18 deletions(-)
>
> diff --git a/src/test/test_driver.c b/src/test/test_driver.c
> index 8d2bb5b..ff383c6 100644
> --- a/src/test/test_driver.c
> +++ b/src/test/test_driver.c
> @@ -117,7 +117,7 @@ struct _testDriver {
> typedef struct _testDriver testDriver;
> typedef testDriver *testDriverPtr;
>
> -static testDriver defaultConn;
> +static testDriverPtr defaultConn;
The variable could be also renamed to defaultDrv.
> static int defaultConnections;
> static virMutex defaultLock = VIR_MUTEX_INITIALIZER;
>
> @@ -691,7 +691,7 @@ static int
> testOpenDefault(virConnectPtr conn)
> {
> int u;
> - testDriverPtr privconn = &defaultConn;
> + testDriverPtr privconn = NULL;
Same here, this could be privdrv.
> virDomainDefPtr domdef = NULL;
> virDomainObjPtr domobj = NULL;
> virNetworkDefPtr netdef = NULL;
> @@ -705,17 +705,18 @@ testOpenDefault(virConnectPtr conn)
>
> virMutexLock(&defaultLock);
> if (defaultConnections++) {
> - conn->privateData = &defaultConn;
> + conn->privateData = defaultConn;
> virMutexUnlock(&defaultLock);
> return VIR_DRV_OPEN_SUCCESS;
> }
>
> + if (VIR_ALLOC(privconn) < 0)
> + goto error;
> +
> if (virMutexInit(&privconn->lock) < 0) {
> virReportError(VIR_ERR_INTERNAL_ERROR,
> "%s", _("cannot initialize mutex"));
> - defaultConnections--;
> - virMutexUnlock(&defaultLock);
> - return VIR_DRV_OPEN_ERROR;
> + goto error;
> }
>
> conn->privateData = privconn;
> @@ -822,19 +823,23 @@ testOpenDefault(virConnectPtr conn)
> }
> virNodeDeviceObjUnlock(nodeobj);
>
> + defaultConn = privconn;
> +
> virMutexUnlock(&defaultLock);
>
> return VIR_DRV_OPEN_SUCCESS;
>
> error:
> - virObjectUnref(privconn->domains);
> - virObjectUnref(privconn->networks);
> - virInterfaceObjListFree(&privconn->ifaces);
> - virStoragePoolObjListFree(&privconn->pools);
> - virNodeDeviceObjListFree(&privconn->devs);
> - virObjectUnref(privconn->caps);
> - virObjectEventStateFree(privconn->eventState);
> - virMutexDestroy(&privconn->lock);
> + if (privconn) {
> + virObjectUnref(privconn->domains);
> + virObjectUnref(privconn->networks);
> + virInterfaceObjListFree(&privconn->ifaces);
> + virStoragePoolObjListFree(&privconn->pools);
> + virNodeDeviceObjListFree(&privconn->devs);
> + virObjectUnref(privconn->caps);
> + virObjectEventStateFree(privconn->eventState);
> + virMutexDestroy(&privconn->lock);
> + }
> conn->privateData = NULL;
> virDomainDefFree(domdef);
> defaultConnections--;
> @@ -1573,8 +1578,10 @@ static virDrvOpenStatus testConnectOpen(virConnectPtr conn,
> static int testConnectClose(virConnectPtr conn)
> {
> testDriverPtr privconn = conn->privateData;
> + bool dflt = false;
>
> - if (privconn == &defaultConn) {
> + if (privconn == defaultConn) {
> + dflt = true;
> virMutexLock(&defaultLock);
> if (--defaultConnections) {
> virMutexUnlock(&defaultLock);
> @@ -1596,10 +1603,13 @@ static int testConnectClose(virConnectPtr conn)
> testDriverUnlock(privconn);
> virMutexDestroy(&privconn->lock);
>
> - if (privconn == &defaultConn)
> + VIR_FREE(privconn);
> +
> + if (dflt) {
> + defaultConn = NULL;
> virMutexUnlock(&defaultLock);
> - else
> - VIR_FREE(privconn);
> + }
> +
> conn->privateData = NULL;
> return 0;
> }
> --
> 2.4.1
>
> --
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