static void qemu_tcg_init_vcpu(CPUState *cpu) { char thread_name[VCPU_THREAD_NAME_SIZE]; static QemuCond *tcg_halt_cond; static QemuThread *tcg_cpu_thread; /* share a single thread for all cpus with TCG */ if (!tcg_cpu_thread) { cpu->thread = g_malloc0(sizeof(QemuThread)); cpu->halt_cond = g_malloc0(sizeof(QemuCond)); qemu_cond_init(cpu->halt_cond); tcg_halt_cond = cpu->halt_cond; snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/TCG", cpu->cpu_index); qemu_thread_create(cpu->thread, thread_name, qemu_tcg_cpu_thread_fn, cpu, QEMU_THREAD_JOINABLE); #ifdef _WIN32 cpu->hThread = qemu_thread_get_handle(cpu->thread); #endif while (!cpu->created) { qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex); } tcg_cpu_thread = cpu->thread; } else { cpu->thread = tcg_cpu_thread; cpu->halt_cond = tcg_halt_cond; } }