diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/meson.build | 3 | ||||
| -rw-r--r-- | tests/slice-threadinit.c | 166 |
2 files changed, 0 insertions, 169 deletions
diff --git a/tests/meson.build b/tests/meson.build index acf43ea13..777ba428c 100644 --- a/tests/meson.build +++ b/tests/meson.build @@ -16,9 +16,6 @@ subdir('gobject') subdir('refcount') tests = { - 'slice-threadinit' : { - 'dependencies' : [libgthread_dep], - }, 'module-test-library' : { 'dependencies' : [libgmodule_dep], 'export_dynamic' : true, diff --git a/tests/slice-threadinit.c b/tests/slice-threadinit.c deleted file mode 100644 index e303aa0b2..000000000 --- a/tests/slice-threadinit.c +++ /dev/null @@ -1,166 +0,0 @@ -/* slice-threadinit.c - test GSlice across g_thread_init - * Copyright (C) 2007 Tim Janik - * - * This work is provided "as is"; redistribution and modification - * in whole or in part, in any medium, physical or electronic is - * permitted without restriction. - * - * This work is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * In no event shall the authors or contributors be liable for any - * direct, indirect, incidental, special, exemplary, or consequential - * damages (including, but not limited to, procurement of substitute - * goods or services; loss of use, data, or profits; or business - * interruption) however caused and on any theory of liability, whether - * in contract, strict liability, or tort (including negligence or - * otherwise) arising in any way out of the use of this software, even - * if advised of the possibility of such damage. - */ -#include <glib.h> - -#define N_PAGES (101) /* number of pages to sample */ -#define SAMPLE_SIZE (7) -#define PAGE_SIZE (128) /* must be <= minimum GSlice alignment block */ -#define MAGAZINE_PROBES { 97, 265, 347 } /* block sizes hopefully unused by g_thread_init */ -#define MAX_PROBE_TRIALS (1031) /* must be >= maximum magazine size */ - -#define ALIGN(size, base) ((base) * (gsize) (((size) + (base) - 1) / (base))) - -static struct { - void *page; - void *sample; -} pages[N_PAGES] = { { NULL, NULL }, }; - -static const guint magazine_probes[] = MAGAZINE_PROBES; -#define N_MAGAZINE_PROBES G_N_ELEMENTS (magazine_probes) - -static void -release_trash_list (GSList **trash_list, - gsize block_size) -{ - while (*trash_list) - { - g_slice_free1 (block_size, (*trash_list)->data); - *trash_list = g_slist_delete_link (*trash_list, *trash_list); - } -} - -static GSList *free_list = NULL; - -static gboolean -allocate_from_known_page (void) -{ - guint i, j, n_trials = N_PAGES * PAGE_SIZE / SAMPLE_SIZE; /* upper bound */ - for (i = 0; i < n_trials; i++) - { - void *b = g_slice_alloc (SAMPLE_SIZE); - void *p = (void*) (PAGE_SIZE * ((gsize) b / PAGE_SIZE)); - free_list = g_slist_prepend (free_list, b); - /* find page */ - for (j = 0; j < N_PAGES; j++) - if (pages[j].page == p) - return TRUE; - } - return FALSE; -} - -int -main (int argc, - char *argv[]) -{ - gsize j, n_pages = 0; - void *mps[N_MAGAZINE_PROBES]; - - /* probe some magazine sizes */ - for (j = 0; j < N_MAGAZINE_PROBES; j++) - mps[j] = g_slice_alloc (magazine_probes[j]); - /* mps[*] now contains pointers to allocated slices */ - - /* allocate blocks from N_PAGES different pages */ - while (n_pages < N_PAGES) - { - void *b = g_slice_alloc (SAMPLE_SIZE); - void *p = (void*) (PAGE_SIZE * ((gsize) b / PAGE_SIZE)); - for (j = 0; j < N_PAGES; j++) - if (pages[j].page == p) - break; - if (j < N_PAGES) /* known page */ - free_list = g_slist_prepend (free_list, b); - else /* new page */ - { - j = n_pages++; - pages[j].page = p; - pages[j].sample = b; - } - } - /* release intermediate allocations */ - release_trash_list (&free_list, SAMPLE_SIZE); - - /* ensure that we can allocate from known pages */ - if (!allocate_from_known_page()) - g_error ("failed to allocate from magazine/page cache (before g_thread_init)"); - /* release intermediate allocations */ - release_trash_list (&free_list, SAMPLE_SIZE); - - /* release magazine probes to be retained */ - for (j = 0; j < N_MAGAZINE_PROBES; j++) - g_slice_free1 (magazine_probes[j], mps[j]); - /* mps[*] now contains pointers to releaed slices */ - - /* ensure probes were retained */ - for (j = 0; j < N_MAGAZINE_PROBES; j++) - { - GSList *trash = NULL; - guint k; - for (k = 0; k < MAX_PROBE_TRIALS; k++) - { - void *mem = g_slice_alloc (magazine_probes[j]); - if (mem == mps[j]) - break; /* reallocated previously freed slice */ - trash = g_slist_prepend (trash, mem); - } - release_trash_list (&trash, magazine_probes[j]); - if (k >= MAX_PROBE_TRIALS) /* failed to reallocate slice */ - g_error ("failed to reallocate slice from magazine (before g_thread_init): size=%d", magazine_probes[j]); - } - /* mps[*] now contains pointers to reallocated slices */ - - /* release magazine probes to be retained across g_thread_init */ - for (j = 0; j < N_MAGAZINE_PROBES; j++) - g_slice_free1 (magazine_probes[j], mps[j]); - /* mps[*] now contains pointers to released slices */ - - /* initialize threading (should retain allocator state) */ - g_thread_init (NULL); - - /* ensure probes were retained */ - for (j = 0; j < N_MAGAZINE_PROBES; j++) - { - GSList *trash = NULL; - guint k; - for (k = 0; k < MAX_PROBE_TRIALS; k++) - { - void *mem = g_slice_alloc (magazine_probes[j]); - if (mem == mps[j]) - break; /* reallocated previously freed slice */ - trash = g_slist_prepend (trash, mem); - } - release_trash_list (&trash, magazine_probes[j]); - if (k >= MAX_PROBE_TRIALS) /* failed to reallocate slice */ - g_error ("failed to reallocate slice from magazine (after g_thread_init): size=%d", magazine_probes[j]); - } - /* mps[*] now contains pointers to reallocated slices */ - - /* ensure that we can allocate from known pages */ - if (!allocate_from_known_page()) - g_error ("failed to allocate from magazine/page cache (after g_thread_init)"); - - /* some cleanups */ - for (j = 0; j < N_MAGAZINE_PROBES; j++) - g_slice_free1 (magazine_probes[j], mps[j]); - release_trash_list (&free_list, SAMPLE_SIZE); - - return 0; -} |