struct CompressParam {
bool start;
bool done;
+ bool quit;
QEMUFile *file;
QemuMutex mutex;
QemuCond cond;
struct DecompressParam {
bool start;
bool done;
+ bool quit;
QemuMutex mutex;
QemuCond cond;
void *des;
static const QEMUFileOps empty_ops = { };
static bool compression_switch;
-static bool quit_comp_thread;
-static bool quit_decomp_thread;
static DecompressParam *decomp_param;
static QemuThread *decompress_threads;
static QemuMutex decomp_done_lock;
{
CompressParam *param = opaque;
- while (!quit_comp_thread) {
+ while (!param->quit) {
qemu_mutex_lock(¶m->mutex);
- /* Re-check the quit_comp_thread in case of
+ /* Re-check the quit flag in case of
* terminate_compression_threads is called just before
* qemu_mutex_lock(¶m->mutex) and after
- * while(!quit_comp_thread), re-check it here can make
+ * while(!param->quit), re-check it here can make
* sure the compression thread terminate as expected.
*/
- while (!param->start && !quit_comp_thread) {
+ while (!param->start && !param->quit) {
qemu_cond_wait(¶m->cond, ¶m->mutex);
}
- if (!quit_comp_thread) {
+ if (!param->quit) {
do_compress_ram_page(param);
}
param->start = false;
int idx, thread_count;
thread_count = migrate_compress_threads();
- quit_comp_thread = true;
for (idx = 0; idx < thread_count; idx++) {
qemu_mutex_lock(&comp_param[idx].mutex);
+ comp_param[idx].quit = true;
qemu_cond_signal(&comp_param[idx].cond);
qemu_mutex_unlock(&comp_param[idx].mutex);
}
if (!migrate_use_compression()) {
return;
}
- quit_comp_thread = false;
compression_switch = true;
thread_count = migrate_compress_threads();
compress_threads = g_new0(QemuThread, thread_count);
*/
comp_param[i].file = qemu_fopen_ops(NULL, &empty_ops);
comp_param[i].done = true;
+ comp_param[i].quit = false;
qemu_mutex_init(&comp_param[i].mutex);
qemu_cond_init(&comp_param[i].cond);
qemu_thread_create(compress_threads + i, "compress",
for (idx = 0; idx < thread_count; idx++) {
if (!comp_param[idx].done) {
qemu_mutex_lock(comp_done_lock);
- while (!comp_param[idx].done && !quit_comp_thread) {
+ while (!comp_param[idx].done && !comp_param[idx].quit) {
qemu_cond_wait(comp_done_cond, comp_done_lock);
}
qemu_mutex_unlock(comp_done_lock);
}
- if (!quit_comp_thread) {
+ if (!comp_param[idx].quit) {
len = qemu_put_qemu_file(f, comp_param[idx].file);
bytes_transferred += len;
}
DecompressParam *param = opaque;
unsigned long pagesize;
- while (!quit_decomp_thread) {
+ while (!param->quit) {
qemu_mutex_lock(¶m->mutex);
- while (!param->start && !quit_decomp_thread) {
+ while (!param->start && !param->quit) {
qemu_cond_wait(¶m->cond, ¶m->mutex);
}
- if (!quit_decomp_thread) {
+ if (!param->quit) {
pagesize = TARGET_PAGE_SIZE;
/* uncompress() will return failed in some case, especially
* when the page is dirted when doing the compression, it's
thread_count = migrate_decompress_threads();
decompress_threads = g_new0(QemuThread, thread_count);
decomp_param = g_new0(DecompressParam, thread_count);
- quit_decomp_thread = false;
qemu_mutex_init(&decomp_done_lock);
qemu_cond_init(&decomp_done_cond);
for (i = 0; i < thread_count; i++) {
qemu_cond_init(&decomp_param[i].cond);
decomp_param[i].compbuf = g_malloc0(compressBound(TARGET_PAGE_SIZE));
decomp_param[i].done = true;
+ decomp_param[i].quit = false;
qemu_thread_create(decompress_threads + i, "decompress",
do_data_decompress, decomp_param + i,
QEMU_THREAD_JOINABLE);
{
int i, thread_count;
- quit_decomp_thread = true;
thread_count = migrate_decompress_threads();
for (i = 0; i < thread_count; i++) {
qemu_mutex_lock(&decomp_param[i].mutex);
+ decomp_param[i].quit = true;
qemu_cond_signal(&decomp_param[i].cond);
qemu_mutex_unlock(&decomp_param[i].mutex);
}