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qemu: Use domain condition for device removal signaling

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No need to keep two separate conditions. A slight juggling of return
values is needed to accomodate virDomainObjWaitUntil.
This commit is contained in:
Peter Krempa 2016-04-04 13:59:48 +02:00
parent 986a016c5d
commit 0f621198a4
3 changed files with 9 additions and 15 deletions
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4
src/qemu/qemu_domain.c
View File

@ -839,9 +839,6 @@ qemuDomainObjPrivateAlloc(void)
goto error;
}
if (virCondInit(&priv->unplugFinished) < 0)
goto error;
if (!(priv->devs = virChrdevAlloc()))
goto error;
@ -871,7 +868,6 @@ qemuDomainObjPrivateFree(void *data)
VIR_FREE(priv->lockState);
VIR_FREE(priv->origname);
virCondDestroy(&priv->unplugFinished);
virStringFreeList(priv->qemuDevices);
virChrdevFree(priv->devs);

1
src/qemu/qemu_domain.h
View File

@ -199,7 +199,6 @@ struct _qemuDomainObjPrivate {
virPerfPtr perf;
virCond unplugFinished; /* signals that unpluggingDevice was unplugged */
const char *unpluggingDevice; /* alias of the device that is being unplugged */
char **qemuDevices; /* NULL-terminated list of devices aliases known to QEMU */

19
src/qemu/qemu_hotplug.c
View File

@ -3361,6 +3361,7 @@ qemuDomainWaitForDeviceRemoval(virDomainObjPtr vm)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
unsigned long long until;
int rc;
if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE_DEL_EVENT))
return 1;
@ -3370,15 +3371,13 @@ qemuDomainWaitForDeviceRemoval(virDomainObjPtr vm)
until += qemuDomainRemoveDeviceWaitTime;
while (priv->unpluggingDevice) {
if (virCondWaitUntil(&priv->unplugFinished,
&vm->parent.lock, until) < 0) {
if (errno == ETIMEDOUT) {
return 0;
} else {
VIR_WARN("Failed to wait on unplug condition for domain '%s' "
"device '%s'", vm->def->name, priv->unpluggingDevice);
return 1;
}
if ((rc = virDomainObjWaitUntil(vm, until)) == 1)
return 0;
if (rc < 0) {
VIR_WARN("Failed to wait on unplug condition for domain '%s' "
"device '%s'", vm->def->name, priv->unpluggingDevice);
return 1;
}
}
@ -3399,7 +3398,7 @@ qemuDomainSignalDeviceRemoval(virDomainObjPtr vm,
if (STREQ_NULLABLE(priv->unpluggingDevice, devAlias)) {
qemuDomainResetDeviceRemoval(vm);
virCondSignal(&priv->unplugFinished);
virDomainObjBroadcast(vm);
return true;
}
return false;