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Merge branch 'test-slice-threadinit' into 'main'

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Moving slice-threadinit.c test to glib/tests/

See merge request GNOME/glib!2580
This commit is contained in:
Philip Withnall 2022-05-17 12:59:45 +00:00
commit 848d7718b6
3 changed files with 33 additions and 28 deletions
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1
glib/tests/meson.build
View File

@ -105,6 +105,7 @@ glib_tests = {
'extra_sources' : ['memchunks.c'],
},
'slice-concurrent' : {},
'slice-known-pages' : {},
'slist' : {},
'sort' : {},
'spawn-multithreaded' : {},

57
tests/slice-threadinit.c → glib/tests/slice-known-pages.c
View File

@ -1,4 +1,4 @@
/* slice-threadinit.c - test GSlice across g_thread_init
/* slice-known-pages.c - test GSlice across known pages
* Copyright (C) 2007 Tim Janik
*
* This work is provided "as is"; redistribution and modification
@ -18,15 +18,20 @@
* 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 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 */
#define MAX_PROBE_TRIALS (1031) /* must be >= maximum magazine size */
#define ALIGN(size, base) ((base) * (gsize) (((size) + (base) - 1) / (base)))
#define ALIGN(size, base) \
((base) * (gsize) (((size) + (base) - 1) / (base)))
static struct {
void *page;
@ -34,6 +39,7 @@ static struct {
} pages[N_PAGES] = { { NULL, NULL }, };
static const guint magazine_probes[] = MAGAZINE_PROBES;
#define N_MAGAZINE_PROBES G_N_ELEMENTS (magazine_probes)
static void
@ -66,9 +72,8 @@ allocate_from_known_page (void)
return FALSE;
}
int
main (int argc,
char *argv[])
static void
test_slice_known_pages (void)
{
gsize j, n_pages = 0;
void *mps[N_MAGAZINE_PROBES];
@ -99,15 +104,15 @@ main (int argc,
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)");
g_assert_true (allocate_from_known_page());
/* 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 */
/* mps[*] now contains pointers to released slices */
/* ensure probes were retained */
for (j = 0; j < N_MAGAZINE_PROBES; j++)
@ -122,19 +127,15 @@ main (int argc,
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]);
g_assert_cmpint (k, <, MAX_PROBE_TRIALS); /* failed to reallocate slice */
}
/* mps[*] now contains pointers to reallocated slices */
/* release magazine probes to be retained across g_thread_init */
/* release magazine probes to be retained across known pages */
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++)
{
@ -148,19 +149,25 @@ main (int argc,
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]);
g_assert_cmpint (k, <, MAX_PROBE_TRIALS); /* failed to reallocate slice */
}
/* 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)");
g_assert_true (allocate_from_known_page());
/* 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;
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/slice/known_pages", test_slice_known_pages);
return g_test_run ();
}

3
tests/meson.build
View File

@ -16,9 +16,6 @@ subdir('gobject')
subdir('refcount')
tests = {
'slice-threadinit' : {
'dependencies' : [libgthread_dep],
},
'module-test-library' : {
'dependencies' : [libgmodule_dep],
'export_dynamic' : true,