/* * 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 */ /* 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 "xmalloc.h" #include #include #include #if HAVE_FCFINI #include #endif 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 < 10; i++) { cairo_set_font_size (cr, 8 + i); cairo_show_text (cr, "Hello world.\n"); } cairo_destroy (cr); cairo_surface_destroy (surface); return NULL; } int main (int argc, char *argv[0]) { int err; int i, num_threads; pthread_t *pthread; if (argc > 1) { num_threads = atoi (argv[1]); } else { num_threads = 20; } cairo_test_init ("pthread-show-text"); cairo_test_log ("Running with %d threads.\n", num_threads); pthread = xmalloc (num_threads * sizeof (pthread_t)); for (i = 0; i < num_threads; i++) { err = pthread_create (&pthread[i], NULL, start, NULL); if (err) { cairo_test_log ("pthread_create failed: %s\n", strerror(err)); return CAIRO_TEST_FAILURE; } } for (i = 0; i < num_threads; i++) pthread_join (pthread[i], NULL); free (pthread); cairo_debug_reset_static_data (); #if HAVE_FCFINI FcFini (); #endif return CAIRO_TEST_SUCCESS; }