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utils: implement g_cancellable_new_with_timeout

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This commit is contained in:
Dirk-Jan C. Binnema
2023-04-29 00:52:37 +03:00
parent 2c69a6d84b
commit e4af910d04
2 changed files with 61 additions and 0 deletions
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49
lib/utils/mu-utils-file.cc
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@ -178,6 +178,55 @@ Mu::runtime_path(Mu::RuntimePath path, const std::string& muhome)
}
}
static gpointer
cancel_wait(gpointer data)
{
guint timeout, deadline;
GCancellable *cancel;
cancel = (GCancellable*)data;
timeout = GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(cancel), "timeout"));
deadline = g_get_monotonic_time() + 1000 * timeout;
while (g_get_monotonic_time() < deadline && !g_cancellable_is_cancelled(cancel)) {
g_usleep(50 * 1000); /* 50 ms */
g_thread_yield();
}
g_cancellable_cancel(cancel);
return NULL;
}
static void
cancel_wait_free(gpointer data)
{
GThread *thread;
GCancellable *cancel;
cancel = (GCancellable*)data;
thread = (GThread*)g_object_get_data(G_OBJECT(cancel), "thread");
g_cancellable_cancel(cancel);
g_thread_join(thread);
}
GCancellable*
Mu::g_cancellable_new_with_timeout(guint timeout)
{
GCancellable *cancel;
cancel = g_cancellable_new();
g_object_set_data(G_OBJECT(cancel), "timeout", GUINT_TO_POINTER(timeout));
g_object_set_data(G_OBJECT(cancel), "thread",
g_thread_new("cancel-wait", cancel_wait, cancel));
g_object_set_data_full(G_OBJECT(cancel), "cancel", cancel, cancel_wait_free);
return cancel;
}
#ifdef BUILD_TESTS