tests/qtest: Support libqtest to build and run on Windows

[mirror_qemu.git] / cpus-common.c

diff --git a/cpus-common.c b/cpus-common.c
index db459b41ce20ac0ff2f69b8acabdb3816a97c6ad..793364dc0ed529e92f73db077ce61f7006e8cf80 100644 (file)
--- a/cpus-common.c
+++ b/cpus-common.c
@@ -73,6 +73,12 @@ static int cpu_get_free_index(void)
 }
 
 CPUTailQ cpus = QTAILQ_HEAD_INITIALIZER(cpus);
+static unsigned int cpu_list_generation_id;
+
+unsigned int cpu_list_generation_id_get(void)
+{
+    return cpu_list_generation_id;
+}
 
 void cpu_list_add(CPUState *cpu)
 {
@@ -84,6 +90,7 @@ void cpu_list_add(CPUState *cpu)
         assert(!cpu_index_auto_assigned);
     }
     QTAILQ_INSERT_TAIL_RCU(&cpus, cpu, node);
+    cpu_list_generation_id++;
 }
 
 void cpu_list_remove(CPUState *cpu)
@@ -96,6 +103,7 @@ void cpu_list_remove(CPUState *cpu)
 
     QTAILQ_REMOVE_RCU(&cpus, cpu, node);
     cpu->cpu_index = UNASSIGNED_CPU_INDEX;
+    cpu_list_generation_id++;
 }
 
 CPUState *qemu_get_cpu(int index)