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qemu: Differentiate error codes when VM exits in qemuDomainDetectVcpuPids 

Some callers will need to behave differently when the detection failed
and when the VM crashed during the redetection. Return -2 if it crashed.
This commit is contained in:
Peter Krempa 2016-02-05 13:03:33 +01:00
parent 7938b533d5
commit 207e17031a
1 changed files with 2 additions and 2 deletions
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4
src/qemu/qemu_domain.c
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@ -4292,7 +4292,7 @@ qemuDomainGetVcpuPid(virDomainObjPtr vm,
* Updates vCPU thread ids in the private data of @vm.
*
* Returns number of detected vCPU threads on success, -1 on error and reports
* an appropriate error.
* an appropriate error, -2 if the domain doesn't exist any more.
*/
int
qemuDomainDetectVcpuPids(virQEMUDriverPtr driver,
@ -4339,7 +4339,7 @@ qemuDomainDetectVcpuPids(virQEMUDriverPtr driver,
ncpupids = qemuMonitorGetCPUInfo(priv->mon, &cpupids);
if (qemuDomainObjExitMonitor(driver, vm) < 0) {
VIR_FREE(cpupids);
return -1;
return -2;
}
/* failure to get the VCPU <-> PID mapping or to execute the query
* command will not be treated fatal as some versions of qemu don't