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/*
* Copyright © 2005 Red Hat, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Carl D. Worth <cworth@cworth.org>
*/
/* Test case for bug #4299:
Assertion fails in "cairo-font.c" when using multithreads
https://bugs.freedesktop.org/show_bug.cgi?id=4299
*/
#include "cairo-test.h"
#include <string.h>
#include <stdlib.h>
#include <pthread.h>
#define NUM_THREADS_DEFAULT 50
#define NUM_ITERATIONS 50
static void *
start (void *closure)
{
cairo_surface_t *surface;
cairo_t *cr;
int i;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
cr = cairo_create (surface);
cairo_save (cr);
{
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
}
cairo_restore (cr);
cairo_move_to (cr, 1, 1);
for (i=0; i < NUM_ITERATIONS; i++) {
cairo_select_font_face (cr, "serif",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr, 8 + i);
cairo_show_text (cr, "Hello world.\n");
}
cairo_destroy (cr);
cairo_surface_destroy (surface);
return NULL;
}
static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
pthread_t *pthread;
int i, num_threads;
cairo_test_status_t status = CAIRO_TEST_SUCCESS;
num_threads = 0;
if (getenv ("CAIRO_TEST_NUM_THREADS"))
num_threads = atoi (getenv ("CAIRO_TEST_NUM_THREADS"));
if (num_threads == 0)
num_threads = NUM_THREADS_DEFAULT;
cairo_test_log (ctx, "Running with %d threads.\n", num_threads);
pthread = xmalloc (num_threads * sizeof (pthread_t));
for (i = 0; i < num_threads; i++) {
int err = pthread_create (&pthread[i], NULL, start, NULL);
if (err) {
cairo_test_log (ctx, "pthread_create failed: %s\n", strerror(err));
num_threads = i;
status = CAIRO_TEST_FAILURE;
break;
}
}
for (i = 0; i < num_threads; i++)
pthread_join (pthread[i], NULL);
free (pthread);
return status;
}
CAIRO_TEST (pthread_show_text,
"Concurrent stress test of the cairo_show_text().",
"thread, text", /* keywords */
NULL, /* requirements */
0, 0,
preamble, NULL)
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