diff options
Diffstat (limited to 'util')
-rw-r--r-- | util/module.c | 17 | ||||
-rw-r--r-- | util/qemu-timer.c | 71 |
2 files changed, 40 insertions, 48 deletions
diff --git a/util/module.c b/util/module.c index 142db7e..e9fe3e5 100644 --- a/util/module.c +++ b/util/module.c @@ -156,8 +156,10 @@ out: } #endif -void module_load_one(const char *prefix, const char *lib_name) +bool module_load_one(const char *prefix, const char *lib_name) { + bool success = false; + #ifdef CONFIG_MODULES char *fname = NULL; char *exec_dir; @@ -170,7 +172,7 @@ void module_load_one(const char *prefix, const char *lib_name) if (!g_module_supported()) { fprintf(stderr, "Module is not supported by system.\n"); - return; + return false; } if (!loaded_modules) { @@ -179,11 +181,10 @@ void module_load_one(const char *prefix, const char *lib_name) module_name = g_strdup_printf("%s%s", prefix, lib_name); - if (g_hash_table_lookup(loaded_modules, module_name)) { + if (!g_hash_table_add(loaded_modules, module_name)) { g_free(module_name); - return; + return true; } - g_hash_table_insert(loaded_modules, module_name, module_name); exec_dir = qemu_get_exec_dir(); search_dir = getenv("QEMU_MODULE_DIR"); @@ -206,13 +207,19 @@ void module_load_one(const char *prefix, const char *lib_name) fname = NULL; /* Try loading until loaded a module file */ if (!ret) { + success = true; break; } } + if (!success) { + g_hash_table_remove(loaded_modules, module_name); + } + for (i = 0; i < n_dirs; i++) { g_free(dirs[i]); } #endif + return success; } diff --git a/util/qemu-timer.c b/util/qemu-timer.c index b0e40a9..d428fec 100644 --- a/util/qemu-timer.c +++ b/util/qemu-timer.c @@ -47,9 +47,6 @@ typedef struct QEMUClock { /* We rely on BQL to protect the timerlists */ QLIST_HEAD(, QEMUTimerList) timerlists; - NotifierList reset_notifiers; - int64_t last; - QEMUClockType type; bool enabled; } QEMUClock; @@ -130,9 +127,7 @@ static void qemu_clock_init(QEMUClockType type, QEMUTimerListNotifyCB *notify_cb clock->type = type; clock->enabled = (type == QEMU_CLOCK_VIRTUAL ? false : true); - clock->last = INT64_MIN; QLIST_INIT(&clock->timerlists); - notifier_list_init(&clock->reset_notifiers); main_loop_tlg.tl[type] = timerlist_new(type, notify_cb, NULL); } @@ -252,14 +247,38 @@ int64_t timerlist_deadline_ns(QEMUTimerList *timer_list) * ignore whether or not the clock should be used in deadline * calculations. */ -int64_t qemu_clock_deadline_ns_all(QEMUClockType type) +int64_t qemu_clock_deadline_ns_all(QEMUClockType type, int attr_mask) { int64_t deadline = -1; + int64_t delta; + int64_t expire_time; + QEMUTimer *ts; QEMUTimerList *timer_list; QEMUClock *clock = qemu_clock_ptr(type); + + if (!clock->enabled) { + return -1; + } + QLIST_FOREACH(timer_list, &clock->timerlists, list) { - deadline = qemu_soonest_timeout(deadline, - timerlist_deadline_ns(timer_list)); + qemu_mutex_lock(&timer_list->active_timers_lock); + ts = timer_list->active_timers; + /* Skip all external timers */ + while (ts && (ts->attributes & ~attr_mask)) { + ts = ts->next; + } + if (!ts) { + qemu_mutex_unlock(&timer_list->active_timers_lock); + continue; + } + expire_time = ts->expire_time; + qemu_mutex_unlock(&timer_list->active_timers_lock); + + delta = expire_time - qemu_clock_get_ns(type); + if (delta <= 0) { + delta = 0; + } + deadline = qemu_soonest_timeout(deadline, delta); } return deadline; } @@ -629,9 +648,6 @@ int64_t timerlistgroup_deadline_ns(QEMUTimerListGroup *tlg) int64_t qemu_clock_get_ns(QEMUClockType type) { - int64_t now, last; - QEMUClock *clock = qemu_clock_ptr(type); - switch (type) { case QEMU_CLOCK_REALTIME: return get_clock(); @@ -643,43 +659,12 @@ int64_t qemu_clock_get_ns(QEMUClockType type) return cpu_get_clock(); } case QEMU_CLOCK_HOST: - now = REPLAY_CLOCK(REPLAY_CLOCK_HOST, get_clock_realtime()); - last = clock->last; - clock->last = now; - if (now < last || now > (last + get_max_clock_jump())) { - notifier_list_notify(&clock->reset_notifiers, &now); - } - return now; + return REPLAY_CLOCK(REPLAY_CLOCK_HOST, get_clock_realtime()); case QEMU_CLOCK_VIRTUAL_RT: return REPLAY_CLOCK(REPLAY_CLOCK_VIRTUAL_RT, cpu_get_clock()); } } -uint64_t qemu_clock_get_last(QEMUClockType type) -{ - QEMUClock *clock = qemu_clock_ptr(type); - return clock->last; -} - -void qemu_clock_set_last(QEMUClockType type, uint64_t last) -{ - QEMUClock *clock = qemu_clock_ptr(type); - clock->last = last; -} - -void qemu_clock_register_reset_notifier(QEMUClockType type, - Notifier *notifier) -{ - QEMUClock *clock = qemu_clock_ptr(type); - notifier_list_add(&clock->reset_notifiers, notifier); -} - -void qemu_clock_unregister_reset_notifier(QEMUClockType type, - Notifier *notifier) -{ - notifier_remove(notifier); -} - void init_clocks(QEMUTimerListNotifyCB *notify_cb) { QEMUClockType type; |