static void qemu_archipelago_close(BlockDriverState *bs)
{
int r, targetlen;
char *target;
struct xseg_request *req;
BDRVArchipelagoState *s = bs->opaque;
s->stopping = true;
qemu_mutex_lock(&s->request_mutex);
while (!s->th_is_signaled) {
qemu_cond_wait(&s->request_cond,
&s->request_mutex);
}
qemu_mutex_unlock(&s->request_mutex);
qemu_thread_join(&s->request_th);
qemu_cond_destroy(&s->request_cond);
qemu_mutex_destroy(&s->request_mutex);
qemu_cond_destroy(&s->archip_cond);
qemu_mutex_destroy(&s->archip_mutex);
targetlen = strlen(s->volname);
req = xseg_get_request(s->xseg, s->srcport, s->vportno, X_ALLOC);
if (!req) {
archipelagolog("Cannot get XSEG request\n");
goto err_exit;
}
r = xseg_prep_request(s->xseg, req, targetlen, 0);
if (r < 0) {
xseg_put_request(s->xseg, req, s->srcport);
archipelagolog("Cannot prepare XSEG close request\n");
goto err_exit;
}
target = xseg_get_target(s->xseg, req);
memcpy(target, s->volname, targetlen);
req->size = req->datalen;
req->offset = 0;
req->op = X_CLOSE;
xport p = xseg_submit(s->xseg, req, s->srcport, X_ALLOC);
if (p == NoPort) {
xseg_put_request(s->xseg, req, s->srcport);
archipelagolog("Cannot submit XSEG close request\n");
goto err_exit;
}
xseg_signal(s->xseg, p);
wait_reply(s->xseg, s->srcport, s->port, req);
xseg_put_request(s->xseg, req, s->srcport);
err_exit:
g_free(s->volname);
g_free(s->segment_name);
xseg_quit_local_signal(s->xseg, s->srcport);
xseg_leave_dynport(s->xseg, s->port);
xseg_leave(s->xseg);
}
static int qcrypto_gcrypt_mutex_destroy(void **priv)
{
QemuMutex *lock = *priv;
qemu_mutex_destroy(lock);
g_free(lock);
return 0;
}
static void iothread_instance_finalize(Object *obj)
{
IOThread *iothread = IOTHREAD(obj);
iothread_stop(iothread);
/*
* Before glib2 2.33.10, there is a glib2 bug that GSource context
* pointer may not be cleared even if the context has already been
* destroyed (while it should). Here let's free the AIO context
* earlier to bypass that glib bug.
*
* We can remove this comment after the minimum supported glib2
* version boosts to 2.33.10. Before that, let's free the
* GSources first before destroying any GMainContext.
*/
if (iothread->ctx) {
aio_context_unref(iothread->ctx);
iothread->ctx = NULL;
}
if (iothread->worker_context) {
g_main_context_unref(iothread->worker_context);
iothread->worker_context = NULL;
}
qemu_cond_destroy(&iothread->init_done_cond);
qemu_mutex_destroy(&iothread->init_done_lock);
}
static void
aio_ctx_finalize(GSource *source)
{
AioContext *ctx = (AioContext *) source;
thread_pool_free(ctx->thread_pool);
aio_set_event_notifier(ctx, &ctx->notifier, NULL, NULL);
event_notifier_cleanup(&ctx->notifier);
qemu_mutex_destroy(&ctx->bh_lock);
g_array_free(ctx->pollfds, TRUE);
}
static void iothread_instance_finalize(Object *obj)
{
IOThread *iothread = IOTHREAD(obj);
iothread_stop(obj, NULL);
qemu_cond_destroy(&iothread->init_done_cond);
qemu_mutex_destroy(&iothread->init_done_lock);
if (!iothread->ctx) {
return;
}
aio_context_unref(iothread->ctx);
}
static void char_finalize(Object *obj)
{
Chardev *chr = CHARDEV(obj);
if (chr->be) {
chr->be->chr = NULL;
}
g_free(chr->filename);
g_free(chr->label);
if (chr->logfd != -1) {
close(chr->logfd);
}
qemu_mutex_destroy(&chr->chr_write_lock);
}
static void iothread_instance_finalize(Object *obj)
{
IOThread *iothread = IOTHREAD(obj);
if (!iothread->ctx) {
return;
}
iothread->stopping = true;
aio_notify(iothread->ctx);
qemu_thread_join(&iothread->thread);
qemu_cond_destroy(&iothread->init_done_cond);
qemu_mutex_destroy(&iothread->init_done_lock);
aio_context_unref(iothread->ctx);
}
static void pci_edu_uninit(PCIDevice *pdev)
{
EduState *edu = DO_UPCAST(EduState, pdev, pdev);
qemu_mutex_lock(&edu->thr_mutex);
edu->stopping = true;
qemu_mutex_unlock(&edu->thr_mutex);
qemu_cond_signal(&edu->thr_cond);
qemu_thread_join(&edu->thread);
qemu_cond_destroy(&edu->thr_cond);
qemu_mutex_destroy(&edu->thr_mutex);
timer_del(&edu->dma_timer);
}
static void tpm_emulator_inst_finalize(Object *obj)
{
TPMEmulator *tpm_emu = TPM_EMULATOR(obj);
tpm_emulator_shutdown(tpm_emu);
object_unref(OBJECT(tpm_emu->data_ioc));
qemu_chr_fe_deinit(&tpm_emu->ctrl_chr, false);
qapi_free_TPMEmulatorOptions(tpm_emu->options);
if (tpm_emu->migration_blocker) {
migrate_del_blocker(tpm_emu->migration_blocker);
error_free(tpm_emu->migration_blocker);
}
qemu_mutex_destroy(&tpm_emu->mutex);
}
void hostmem_init(HostMem *hostmem)
{
memset(hostmem, 0, sizeof(*hostmem));
qemu_mutex_init(&hostmem->current_regions_lock);
hostmem->listener = (MemoryListener){
.begin = hostmem_listener_dummy,
.commit = hostmem_listener_commit,
.region_add = hostmem_listener_append_region,
.region_del = hostmem_listener_section_dummy,
.region_nop = hostmem_listener_append_region,
.log_start = hostmem_listener_section_dummy,
.log_stop = hostmem_listener_section_dummy,
.log_sync = hostmem_listener_section_dummy,
.log_global_start = hostmem_listener_dummy,
.log_global_stop = hostmem_listener_dummy,
.eventfd_add = hostmem_listener_eventfd_dummy,
.eventfd_del = hostmem_listener_eventfd_dummy,
.coalesced_mmio_add = hostmem_listener_coalesced_mmio_dummy,
.coalesced_mmio_del = hostmem_listener_coalesced_mmio_dummy,
.priority = 10,
};
memory_listener_register(&hostmem->listener, &address_space_memory);
if (hostmem->num_new_regions > 0) {
hostmem_listener_commit(&hostmem->listener);
}
}
void hostmem_finalize(HostMem *hostmem)
{
memory_listener_unregister(&hostmem->listener);
g_free(hostmem->new_regions);
g_free(hostmem->current_regions);
qemu_mutex_destroy(&hostmem->current_regions_lock);
}
static inline void res_tbl_free(RdmaRmResTbl *tbl)
{
qemu_mutex_destroy(&tbl->lock);
g_free(tbl->tbl);
bitmap_zero_extend(tbl->bitmap, tbl->tbl_sz, 0);
}
void rfifolock_destroy(RFifoLock *r)
{
qemu_cond_destroy(&r->cond);
qemu_mutex_destroy(&r->lock);
}
UNICORN_EXPORT
uc_err uc_close(uc_engine *uc)
{
int i;
struct list_item *cur;
struct hook *hook;
CPUState *cpu;
// Cleanup internally.
if (uc->release)
uc->release(uc->tcg_ctx);
g_free(uc->tcg_ctx);
// Cleanup CPU.
CPU_FOREACH(cpu) {
g_free(cpu->tcg_as_listener);
g_free(cpu->thread);
g_free(cpu->halt_cond);
}
// Cleanup all objects.
OBJECT(uc->machine_state->accelerator)->ref = 1;
OBJECT(uc->machine_state)->ref = 1;
OBJECT(uc->owner)->ref = 1;
OBJECT(uc->root)->ref = 1;
object_unref(uc, OBJECT(uc->machine_state->accelerator));
object_unref(uc, OBJECT(uc->machine_state));
object_unref(uc, uc->cpu);
object_unref(uc, OBJECT(&uc->io_mem_notdirty));
object_unref(uc, OBJECT(&uc->io_mem_unassigned));
object_unref(uc, OBJECT(&uc->io_mem_rom));
object_unref(uc, OBJECT(uc->root));
// System memory.
g_free(uc->system_memory);
// Thread relateds.
if (uc->qemu_thread_data)
free(uc->qemu_thread_data);
qemu_mutex_destroy(&uc->qemu_global_mutex);
qemu_cond_destroy(&uc->qemu_cpu_cond);
// Other auxilaries.
free(uc->l1_map);
if (uc->bounce.buffer) {
free(uc->bounce.buffer);
}
g_hash_table_foreach(uc->type_table, free_table, uc);
g_hash_table_destroy(uc->type_table);
for (i = 0; i < DIRTY_MEMORY_NUM; i++) {
free(uc->ram_list.dirty_memory[i]);
}
// free hooks and hook lists
for (i = 0; i < UC_HOOK_MAX; i++) {
cur = uc->hook[i].head;
// hook can be in more than one list
// so we refcount to know when to free
while (cur) {
hook = (struct hook *)cur->data;
if (--hook->refs == 0) {
free(hook);
}
cur = cur->next;
}
list_clear(&uc->hook[i]);
}
free(uc->mapped_blocks);
// finally, free uc itself.
memset(uc, 0, sizeof(*uc));
free(uc);
return UC_ERR_OK;
}
void hostmem_finalize(HostMem *hostmem)
{
cpu_unregister_phys_memory_client(&hostmem->client);
qemu_mutex_destroy(&hostmem->mem_lock);
qemu_free(hostmem->mem);
}
