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			291 lines
		
	
	
	
		
			7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			291 lines
		
	
	
	
		
			7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright © 2012 Jonas Ådahl
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software and its
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|  * documentation for any purpose is hereby granted without fee, provided that
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|  * the above copyright notice appear in all copies and that both that copyright
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|  * notice and this permission notice appear in supporting documentation, and
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|  * that the name of the copyright holders not be used in advertising or
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|  * publicity pertaining to distribution of the software without specific,
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|  * written prior permission.  The copyright holders make no representations
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|  * about the suitability of this software for any purpose.  It is provided "as
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|  * is" without express or implied warranty.
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|  *
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|  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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|  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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|  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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|  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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|  * OF THIS SOFTWARE.
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|  */
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| 
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| #include <stdlib.h>
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| #include <stdio.h>
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| #include <stdbool.h>
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| #include <unistd.h>
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| #include <sys/types.h>
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| #include <sys/wait.h>
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| #include <assert.h>
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| 
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| #include "wayland-client.h"
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| #include "wayland-server.h"
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| #include "test-runner.h"
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| 
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| #define SOCKET_NAME "wayland-queue-test"
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| 
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| #define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
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| 
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| #define client_assert(expr)					\
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| 	do {							\
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| 		if (!(expr)) {					\
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| 			fprintf(stderr, "%s:%d: "		\
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| 				"Assertion `%s' failed.\n",	\
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| 				__FILE__, __LINE__, #expr);	\
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| 			exit(EXIT_FAILURE);			\
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| 		}						\
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| 	} while (0)
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| 
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| struct display {
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| 	struct wl_display *display;
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| 	int child_exit_status;
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| };
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| 
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| static void
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| registry_handle_global(void *data, struct wl_registry *registry,
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| 		       uint32_t id, const char *interface, uint32_t version)
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| {
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| 	int *pcounter = data;
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| 	(*pcounter)++;
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| 	client_assert(*pcounter == 1);
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| 	wl_registry_destroy(registry);
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| }
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| 
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| static const struct wl_registry_listener registry_listener = {
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| 	registry_handle_global,
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| 	NULL
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| };
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| 
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| /* Test that destroying a proxy object doesn't result in any more
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|  * callback being invoked, even though were many queued. */
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| static int
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| client_test_proxy_destroy(void)
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| {
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| 	struct wl_display *display;
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| 	struct wl_registry *registry;
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| 	int counter = 0;
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| 
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| 	display = wl_display_connect(SOCKET_NAME);
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| 	client_assert(display);
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| 
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| 	registry = wl_display_get_registry(display);
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| 	assert(registry != NULL);
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| 	wl_registry_add_listener(registry, ®istry_listener,
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| 				 &counter);
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| 	wl_display_roundtrip(display);
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| 
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| 	client_assert(counter == 1);
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| 
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| 	wl_display_disconnect(display);
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| 
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| 	return 0;
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| }
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| 
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| struct multiple_queues_state {
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| 	struct wl_display *display;
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| 	struct wl_callback* callback2;
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| 	bool done;
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| };
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| 
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| static void
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| sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
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| {
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| 	struct multiple_queues_state *state = data;
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| 
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| 	state->done = true;
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| 	wl_callback_destroy(callback);
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| 
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| 	wl_display_dispatch_pending(state->display);
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| 
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| 	wl_callback_destroy(state->callback2);
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| }
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| 
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| static const struct wl_callback_listener sync_listener = {
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| 	sync_callback
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| };
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| 
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| /* Test that when receiving the first of two synchronization
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|  * callback events, destroying the second one doesn't cause any
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|  * errors even if the delete_id event is handled out of order. */
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| static int
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| client_test_multiple_queues(void)
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| {
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| 	struct wl_event_queue *queue;
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| 	struct wl_callback *callback1;
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| 	struct multiple_queues_state state;
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| 	int ret = 0;
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| 
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| 	state.display = wl_display_connect(SOCKET_NAME);
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| 	client_assert(state.display);
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| 
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| 	/* Make the current thread the display thread. This is because
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| 	 * wl_display_dispatch_queue() will only read the display fd if
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| 	 * the main display thread has been set. */
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| 	wl_display_dispatch_pending(state.display);
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| 
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| 	queue = wl_display_create_queue(state.display);
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| 	client_assert(queue);
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| 
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| 	state.done = false;
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| 	callback1 = wl_display_sync(state.display);
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| 	assert(callback1 != NULL);
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| 	wl_callback_add_listener(callback1, &sync_listener, &state);
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| 	wl_proxy_set_queue((struct wl_proxy *) callback1, queue);
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| 
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| 	state.callback2 = wl_display_sync(state.display);
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| 	assert(state.callback2 != NULL);
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| 	wl_callback_add_listener(state.callback2, &sync_listener, NULL);
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| 	wl_proxy_set_queue((struct wl_proxy *) state.callback2, queue);
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| 
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| 	wl_display_flush(state.display);
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| 
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| 	while (!state.done && !ret)
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| 		ret = wl_display_dispatch_queue(state.display, queue);
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| 
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| 	wl_display_disconnect(state.display);
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| 
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| 	return ret == -1 ? -1 : 0;
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| }
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| 
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| static void
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| client_alarm_handler(int sig)
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| {
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| 	fprintf(stderr, "Received SIGALRM signal, aborting.\n");
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| 	exit(EXIT_FAILURE);
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| }
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| 
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| static void
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| client_sigsegv_handler(int sig)
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| {
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| 	fprintf(stderr, "Received SIGSEGV signal, aborting.\n");
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| 	exit(EXIT_FAILURE);
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| }
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| 
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| static int
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| client_main(int fd)
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| {
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| 	bool cont = false;
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| 
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| 	signal(SIGSEGV, client_sigsegv_handler);
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| 	signal(SIGALRM, client_alarm_handler);
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| 	alarm(2);
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| 
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| 	if (read(fd, &cont, sizeof cont) != 1) {
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| 		close(fd);
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| 		return EXIT_FAILURE;
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| 	}
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| 	close(fd);
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| 
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| 	if (!cont)
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| 		return EXIT_FAILURE;
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| 
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| 	if (client_test_proxy_destroy() != 0) {
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| 		fprintf(stderr, "proxy destroy test failed\n");
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| 		return EXIT_FAILURE;
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| 	}
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| 
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| 	if (client_test_multiple_queues() != 0) {
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| 		fprintf(stderr, "multiple proxy test failed\n");
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| 		return EXIT_FAILURE;
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| 	}
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| 
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| 	return EXIT_SUCCESS;
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| }
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| 
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| static void
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| dummy_bind(struct wl_client *client,
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| 	   void *data, uint32_t version, uint32_t id)
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| {
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| }
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| 
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| static int
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| sigchld_handler(int signal_number, void *data)
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| {
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| 	struct display *display = data;
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| 	int status;
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| 
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| 	waitpid(-1, &status, 0);
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| 	display->child_exit_status = status;
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| 
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| 	wl_display_terminate(display->display);
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| 
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| 	return 0;
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| }
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| 
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| static void
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| signal_client(int fd, bool cont)
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| {
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| 	int ret;
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| 
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| 	ret = write(fd, &cont, sizeof cont);
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| 	close(fd);
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| 	assert(ret == sizeof cont);
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| }
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| 
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| TEST(queue)
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| {
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| 	struct display display;
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| 	struct wl_event_loop *loop;
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| 	struct wl_event_source *signal_source;
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| 	const struct wl_interface *dummy_interfaces[] = {
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| 		&wl_seat_interface,
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| 		&wl_pointer_interface,
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| 		&wl_keyboard_interface,
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| 		&wl_surface_interface
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| 	};
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| 	unsigned int i;
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| 	pid_t pid;
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| 	int fds[2];
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| 	int ret;
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| 
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| 	ret = pipe(fds);
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| 	assert(ret == 0);
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| 
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| 	pid = fork();
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| 	if (pid == -1) {
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| 		perror("fork");
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| 		exit(EXIT_FAILURE);
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| 	} else if (pid == 0) {
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| 		close(fds[1]);
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| 		exit(client_main(fds[0]));
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| 	}
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| 	close(fds[0]);
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| 
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| 	display.child_exit_status = EXIT_FAILURE;
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| 	display.display = wl_display_create();
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| 	if (!display.display) {
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| 		signal_client(fds[1], false);
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| 		abort();
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| 	}
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| 
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| 	for (i = 0; i < ARRAY_LENGTH(dummy_interfaces); i++)
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| 		wl_global_create(display.display, dummy_interfaces[i],
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| 				 dummy_interfaces[i]->version,
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| 				 NULL, dummy_bind);
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| 
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| 	ret = wl_display_add_socket(display.display, SOCKET_NAME);
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| 	assert(ret == 0);
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| 
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| 	loop = wl_display_get_event_loop(display.display);
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| 	signal_source = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
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| 						 &display);
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| 
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| 	signal_client(fds[1], true);
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| 	wl_display_run(display.display);
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| 
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| 	wl_event_source_remove(signal_source);
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| 	wl_display_destroy(display.display);
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| 
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| 	assert(WIFEXITED(display.child_exit_status) &&
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| 	       WEXITSTATUS(display.child_exit_status) == EXIT_SUCCESS);
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| }
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