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vmware: Use automatic mutex management

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Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Tim Wiederhake 2022-02-08 11:36:25 +01:00
parent 5305908789
commit ee0bc89470
1 changed files with 31 additions and 69 deletions
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100
src/vmware/vmware_driver.c
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@ -47,19 +47,6 @@ static const char * const vmrun_candidates[] = {
#endif /* __APPLE__ */
};
static void
vmwareDriverLock(struct vmware_driver *driver)
{
virMutexLock(&driver->lock);
}
static void
vmwareDriverUnlock(struct vmware_driver *driver)
{
virMutexUnlock(&driver->lock);
}
static virDomainObj *
vmwareDomObjFromDomainLocked(struct vmware_driver *driver,
const unsigned char *uuid)
@ -83,12 +70,9 @@ static virDomainObj *
vmwareDomObjFromDomain(struct vmware_driver *driver,
const unsigned char *uuid)
{
virDomainObj *vm;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
vmwareDriverLock(driver);
vm = vmwareDomObjFromDomainLocked(driver, uuid);
vmwareDriverUnlock(driver);
return vm;
return vmwareDomObjFromDomainLocked(driver, uuid);
}
@ -274,10 +258,9 @@ static int
vmwareConnectGetVersion(virConnectPtr conn, unsigned long *version)
{
struct vmware_driver *driver = conn->privateData;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
vmwareDriverLock(driver);
*version = driver->version;
vmwareDriverUnlock(driver);
return 0;
}
@ -395,6 +378,7 @@ vmwareDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int fla
vmwareDomainPtr pDomain = NULL;
virVMXContext ctx;
unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
virCheckFlags(VIR_DOMAIN_DEFINE_VALIDATE, NULL);
@ -406,7 +390,6 @@ vmwareDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int fla
ctx.autodetectSCSIControllerModel = NULL;
ctx.datacenterPath = NULL;
vmwareDriverLock(driver);
if ((vmdef = virDomainDefParseString(xml, driver->xmlopt,
NULL, parse_flags)) == NULL)
goto cleanup;
@ -451,7 +434,6 @@ vmwareDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int fla
VIR_FREE(vmxPath);
if (vm)
virObjectUnlock(vm);
vmwareDriverUnlock(driver);
return dom;
}
@ -468,11 +450,10 @@ vmwareDomainShutdownFlags(virDomainPtr dom,
struct vmware_driver *driver = dom->conn->privateData;
virDomainObj *vm;
int ret = -1;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
virCheckFlags(0, -1);
vmwareDriverLock(driver);
if (!(vm = vmwareDomObjFromDomainLocked(driver, dom->uuid)))
goto cleanup;
@ -494,7 +475,6 @@ vmwareDomainShutdownFlags(virDomainPtr dom,
ret = 0;
cleanup:
virDomainObjEndAPI(&vm);
vmwareDriverUnlock(driver);
return ret;
}
@ -646,6 +626,7 @@ vmwareDomainCreateXML(virConnectPtr conn, const char *xml,
vmwareDomainPtr pDomain = NULL;
virVMXContext ctx;
unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
virCheckFlags(VIR_DOMAIN_START_VALIDATE, NULL);
@ -657,8 +638,6 @@ vmwareDomainCreateXML(virConnectPtr conn, const char *xml,
ctx.autodetectSCSIControllerModel = NULL;
ctx.datacenterPath = NULL;
vmwareDriverLock(driver);
if ((vmdef = virDomainDefParseString(xml, driver->xmlopt,
NULL, parse_flags)) == NULL)
goto cleanup;
@ -704,7 +683,6 @@ vmwareDomainCreateXML(virConnectPtr conn, const char *xml,
VIR_FREE(vmx);
VIR_FREE(vmxPath);
virDomainObjEndAPI(&vm);
vmwareDriverUnlock(driver);
return dom;
}
@ -715,10 +693,10 @@ vmwareDomainCreateWithFlags(virDomainPtr dom,
struct vmware_driver *driver = dom->conn->privateData;
virDomainObj *vm;
int ret = -1;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
virCheckFlags(0, -1);
vmwareDriverLock(driver);
if (!(vm = vmwareDomObjFromDomainLocked(driver, dom->uuid)))
goto cleanup;
@ -735,7 +713,6 @@ vmwareDomainCreateWithFlags(virDomainPtr dom,
cleanup:
virDomainObjEndAPI(&vm);
vmwareDriverUnlock(driver);
return ret;
}
@ -752,10 +729,10 @@ vmwareDomainUndefineFlags(virDomainPtr dom,
struct vmware_driver *driver = dom->conn->privateData;
virDomainObj *vm;
int ret = -1;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
virCheckFlags(0, -1);
vmwareDriverLock(driver);
if (!(vm = vmwareDomObjFromDomainLocked(driver, dom->uuid)))
goto cleanup;
@ -777,7 +754,6 @@ vmwareDomainUndefineFlags(virDomainPtr dom,
cleanup:
virDomainObjEndAPI(&vm);
vmwareDriverUnlock(driver);
return ret;
}
@ -791,12 +767,12 @@ static virDomainPtr
vmwareDomainLookupByID(virConnectPtr conn, int id)
{
struct vmware_driver *driver = conn->privateData;
virDomainObj *vm;
virDomainObj *vm = NULL;
virDomainPtr dom = NULL;
vmwareDriverLock(driver);
vm = virDomainObjListFindByID(driver->domains, id);
vmwareDriverUnlock(driver);
VIR_WITH_MUTEX_LOCK_GUARD(&driver->lock) {
vm = virDomainObjListFindByID(driver->domains, id);
}
if (!vm) {
virReportError(VIR_ERR_NO_DOMAIN,
@ -848,12 +824,12 @@ static virDomainPtr
vmwareDomainLookupByName(virConnectPtr conn, const char *name)
{
struct vmware_driver *driver = conn->privateData;
virDomainObj *vm;
virDomainObj *vm = NULL;
virDomainPtr dom = NULL;
vmwareDriverLock(driver);
vm = virDomainObjListFindByName(driver->domains, name);
vmwareDriverUnlock(driver);
VIR_WITH_MUTEX_LOCK_GUARD(&driver->lock) {
vm = virDomainObjListFindByName(driver->domains, name);
}
if (!vm) {
virReportError(VIR_ERR_NO_DOMAIN,
@ -972,28 +948,20 @@ static int
vmwareConnectNumOfDefinedDomains(virConnectPtr conn)
{
struct vmware_driver *driver = conn->privateData;
int n;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
vmwareDriverLock(driver);
vmwareDomainObjListUpdateAll(driver->domains, driver);
n = virDomainObjListNumOfDomains(driver->domains, false, NULL, NULL);
vmwareDriverUnlock(driver);
return n;
return virDomainObjListNumOfDomains(driver->domains, false, NULL, NULL);
}
static int
vmwareConnectNumOfDomains(virConnectPtr conn)
{
struct vmware_driver *driver = conn->privateData;
int n;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
vmwareDriverLock(driver);
vmwareDomainObjListUpdateAll(driver->domains, driver);
n = virDomainObjListNumOfDomains(driver->domains, true, NULL, NULL);
vmwareDriverUnlock(driver);
return n;
return virDomainObjListNumOfDomains(driver->domains, true, NULL, NULL);
}
@ -1001,14 +969,10 @@ static int
vmwareConnectListDomains(virConnectPtr conn, int *ids, int nids)
{
struct vmware_driver *driver = conn->privateData;
int n;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
vmwareDriverLock(driver);
vmwareDomainObjListUpdateAll(driver->domains, driver);
n = virDomainObjListGetActiveIDs(driver->domains, ids, nids, NULL, NULL);
vmwareDriverUnlock(driver);
return n;
return virDomainObjListGetActiveIDs(driver->domains, ids, nids, NULL, NULL);
}
static int
@ -1016,14 +980,11 @@ vmwareConnectListDefinedDomains(virConnectPtr conn,
char **const names, int nnames)
{
struct vmware_driver *driver = conn->privateData;
int n;
VIR_LOCK_GUARD lock = virLockGuardLock(&driver->lock);
vmwareDriverLock(driver);
vmwareDomainObjListUpdateAll(driver->domains, driver);
n = virDomainObjListGetInactiveNames(driver->domains, names, nnames,
NULL, NULL);
vmwareDriverUnlock(driver);
return n;
return virDomainObjListGetInactiveNames(driver->domains, names, nnames,
NULL, NULL);
}
static int
@ -1093,11 +1054,12 @@ vmwareConnectListAllDomains(virConnectPtr conn,
virCheckFlags(VIR_CONNECT_LIST_DOMAINS_FILTERS_ALL, -1);
vmwareDriverLock(driver);
vmwareDomainObjListUpdateAll(driver->domains, driver);
ret = virDomainObjListExport(driver->domains, conn, domains,
NULL, flags);
vmwareDriverUnlock(driver);
VIR_WITH_MUTEX_LOCK_GUARD(&driver->lock) {
vmwareDomainObjListUpdateAll(driver->domains, driver);
ret = virDomainObjListExport(driver->domains, conn, domains,
NULL, flags);
}
return ret;
}