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Merge branch 'source-attach-trigger-wakeup' into 'main'

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Add g_main_context_new_with_flags() and ownerless polling option

See merge request GNOME/glib!1960
This commit is contained in:
Philip Withnall
2021-11-01 18:39:56 +00:00
parent 726c44c348 e26a8a5981
commit 48af1cbddc
4 changed files with 112 additions and 2 deletions
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52
glib/tests/mainloop.c
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@@ -158,6 +158,56 @@ test_mainloop_basic (void)
g_main_loop_unref (loop);
}
static void
test_ownerless_polling (gconstpointer test_data)
{
gboolean attach_first = GPOINTER_TO_INT (test_data);
GMainContext *ctx = g_main_context_new_with_flags (
G_MAIN_CONTEXT_FLAGS_OWNERLESS_POLLING);
GPollFD fds[20];
gint fds_size;
gint max_priority;
GSource *source = NULL;
g_assert_true (ctx != g_main_context_default ());
g_main_context_push_thread_default (ctx);
/* Drain events */
for (;;)
{
gboolean ready_to_dispatch = g_main_context_prepare (ctx, &max_priority);
gint timeout, nready;
fds_size = g_main_context_query (ctx, max_priority, &timeout, fds, G_N_ELEMENTS (fds));
nready = g_poll (fds, fds_size, /*timeout=*/0);
if (!ready_to_dispatch && nready == 0)
{
if (timeout == -1)
break;
else
g_usleep (timeout * 1000);
}
ready_to_dispatch = g_main_context_check (ctx, max_priority, fds, fds_size);
if (ready_to_dispatch)
g_main_context_dispatch (ctx);
}
if (!attach_first)
g_main_context_pop_thread_default (ctx);
source = g_idle_source_new ();
g_source_attach (source, ctx);
g_source_unref (source);
if (attach_first)
g_main_context_pop_thread_default (ctx);
g_assert_cmpint (g_poll (fds, fds_size, 0), >, 0);
g_main_context_unref (ctx);
}
static gint a;
static gint b;
static gint c;
@@ -2145,6 +2195,8 @@ main (int argc, char *argv[])
#endif
g_test_add_func ("/mainloop/nfds", test_nfds);
g_test_add_func ("/mainloop/steal-fd", test_steal_fd);
g_test_add_data_func ("/mainloop/ownerless-polling/attach-first", GINT_TO_POINTER (TRUE), test_ownerless_polling);
g_test_add_data_func ("/mainloop/ownerless-polling/pop-first", GINT_TO_POINTER (FALSE), test_ownerless_polling);
return g_test_run ();
}