diff options
| -rw-r--r-- | cpus.c | 20 | ||||
| -rw-r--r-- | include/sysemu/sysemu.h | 4 | ||||
| -rw-r--r-- | stubs/vm-stop.c | 2 |
3 files changed, 16 insertions, 10 deletions
diff --git a/cpus.c b/cpus.c index f141428225..29277e109f 100644 --- a/cpus.c +++ b/cpus.c @@ -434,17 +434,21 @@ bool cpu_is_stopped(CPUState *cpu) return !runstate_is_running() || cpu->stopped; } -static void do_vm_stop(RunState state) +static int do_vm_stop(RunState state) { + int ret = 0; + if (runstate_is_running()) { cpu_disable_ticks(); pause_all_vcpus(); runstate_set(state); vm_state_notify(0, state); bdrv_drain_all(); - bdrv_flush_all(); + ret = bdrv_flush_all(); monitor_protocol_event(QEVENT_STOP, NULL); } + + return ret; } static bool cpu_can_run(CPUState *cpu) @@ -1070,7 +1074,7 @@ void cpu_stop_current(void) } } -void vm_stop(RunState state) +int vm_stop(RunState state) { if (qemu_in_vcpu_thread()) { qemu_system_vmstop_request(state); @@ -1079,19 +1083,21 @@ void vm_stop(RunState state) * vm_stop() has been requested. */ cpu_stop_current(); - return; + return 0; } - do_vm_stop(state); + + return do_vm_stop(state); } /* does a state transition even if the VM is already stopped, current state is forgotten forever */ -void vm_stop_force_state(RunState state) +int vm_stop_force_state(RunState state) { if (runstate_is_running()) { - vm_stop(state); + return vm_stop(state); } else { runstate_set(state); + return 0; } } diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index d85bdc0cac..3caeb66eb2 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -35,8 +35,8 @@ void vm_state_notify(int running, RunState state); #define VMRESET_REPORT true void vm_start(void); -void vm_stop(RunState state); -void vm_stop_force_state(RunState state); +int vm_stop(RunState state); +int vm_stop_force_state(RunState state); typedef enum WakeupReason { QEMU_WAKEUP_REASON_OTHER = 0, diff --git a/stubs/vm-stop.c b/stubs/vm-stop.c index 45689354f6..f82c897dfe 100644 --- a/stubs/vm-stop.c +++ b/stubs/vm-stop.c @@ -1,7 +1,7 @@ #include "qemu-common.h" #include "sysemu/sysemu.h" -void vm_stop(RunState state) +int vm_stop(RunState state) { abort(); } |