Merge branch 'malloc-rewrite'

This resolves #263.

1 files changed, 0 insertions, 731 deletions

diff --git a/memory/jemalloc/src/test/unit/mallctl.c b/memory/jemalloc/src/test/unit/mallctl.c
deleted file mode 100644
index 69f8c20c1..000000000
--- a/memory/jemalloc/src/test/unit/mallctl.c
+++ /dev/null
@@ -1,731 +0,0 @@
-#include "test/jemalloc_test.h"
-
-TEST_BEGIN(test_mallctl_errors)
-{
-	uint64_t epoch;
-	size_t sz;
-
-	assert_d_eq(mallctl("no_such_name", NULL, NULL, NULL, 0), ENOENT,
-	    "mallctl() should return ENOENT for non-existent names");
-
-	assert_d_eq(mallctl("version", NULL, NULL, "0.0.0", strlen("0.0.0")),
-	    EPERM, "mallctl() should return EPERM on attempt to write "
-	    "read-only value");
-
-	assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(epoch)-1),
-	    EINVAL, "mallctl() should return EINVAL for input size mismatch");
-	assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(epoch)+1),
-	    EINVAL, "mallctl() should return EINVAL for input size mismatch");
-
-	sz = sizeof(epoch)-1;
-	assert_d_eq(mallctl("epoch", &epoch, &sz, NULL, 0), EINVAL,
-	    "mallctl() should return EINVAL for output size mismatch");
-	sz = sizeof(epoch)+1;
-	assert_d_eq(mallctl("epoch", &epoch, &sz, NULL, 0), EINVAL,
-	    "mallctl() should return EINVAL for output size mismatch");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlnametomib_errors)
-{
-	size_t mib[1];
-	size_t miblen;
-
-	miblen = sizeof(mib)/sizeof(size_t);
-	assert_d_eq(mallctlnametomib("no_such_name", mib, &miblen), ENOENT,
-	    "mallctlnametomib() should return ENOENT for non-existent names");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlbymib_errors)
-{
-	uint64_t epoch;
-	size_t sz;
-	size_t mib[1];
-	size_t miblen;
-
-	miblen = sizeof(mib)/sizeof(size_t);
-	assert_d_eq(mallctlnametomib("version", mib, &miblen), 0,
-	    "Unexpected mallctlnametomib() failure");
-
-	assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, "0.0.0",
-	    strlen("0.0.0")), EPERM, "mallctl() should return EPERM on "
-	    "attempt to write read-only value");
-
-	miblen = sizeof(mib)/sizeof(size_t);
-	assert_d_eq(mallctlnametomib("epoch", mib, &miblen), 0,
-	    "Unexpected mallctlnametomib() failure");
-
-	assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &epoch,
-	    sizeof(epoch)-1), EINVAL,
-	    "mallctlbymib() should return EINVAL for input size mismatch");
-	assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &epoch,
-	    sizeof(epoch)+1), EINVAL,
-	    "mallctlbymib() should return EINVAL for input size mismatch");
-
-	sz = sizeof(epoch)-1;
-	assert_d_eq(mallctlbymib(mib, miblen, &epoch, &sz, NULL, 0), EINVAL,
-	    "mallctlbymib() should return EINVAL for output size mismatch");
-	sz = sizeof(epoch)+1;
-	assert_d_eq(mallctlbymib(mib, miblen, &epoch, &sz, NULL, 0), EINVAL,
-	    "mallctlbymib() should return EINVAL for output size mismatch");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctl_read_write)
-{
-	uint64_t old_epoch, new_epoch;
-	size_t sz = sizeof(old_epoch);
-
-	/* Blind. */
-	assert_d_eq(mallctl("epoch", NULL, NULL, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
-
-	/* Read. */
-	assert_d_eq(mallctl("epoch", &old_epoch, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
-
-	/* Write. */
-	assert_d_eq(mallctl("epoch", NULL, NULL, &new_epoch, sizeof(new_epoch)),
-	    0, "Unexpected mallctl() failure");
-	assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
-
-	/* Read+write. */
-	assert_d_eq(mallctl("epoch", &old_epoch, &sz, &new_epoch,
-	    sizeof(new_epoch)), 0, "Unexpected mallctl() failure");
-	assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlnametomib_short_mib)
-{
-	size_t mib[4];
-	size_t miblen;
-
-	miblen = 3;
-	mib[3] = 42;
-	assert_d_eq(mallctlnametomib("arenas.bin.0.nregs", mib, &miblen), 0,
-	    "Unexpected mallctlnametomib() failure");
-	assert_zu_eq(miblen, 3, "Unexpected mib output length");
-	assert_zu_eq(mib[3], 42,
-	    "mallctlnametomib() wrote past the end of the input mib");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctl_config)
-{
-
-#define	TEST_MALLCTL_CONFIG(config, t) do {				\
-	t oldval;							\
-	size_t sz = sizeof(oldval);					\
-	assert_d_eq(mallctl("config."#config, &oldval, &sz, NULL, 0),	\
-	    0, "Unexpected mallctl() failure");				\
-	assert_b_eq(oldval, config_##config, "Incorrect config value");	\
-	assert_zu_eq(sz, sizeof(oldval), "Unexpected output size");	\
-} while (0)
-
-	TEST_MALLCTL_CONFIG(cache_oblivious, bool);
-	TEST_MALLCTL_CONFIG(debug, bool);
-	TEST_MALLCTL_CONFIG(fill, bool);
-	TEST_MALLCTL_CONFIG(lazy_lock, bool);
-	TEST_MALLCTL_CONFIG(malloc_conf, const char *);
-	TEST_MALLCTL_CONFIG(munmap, bool);
-	TEST_MALLCTL_CONFIG(prof, bool);
-	TEST_MALLCTL_CONFIG(prof_libgcc, bool);
-	TEST_MALLCTL_CONFIG(prof_libunwind, bool);
-	TEST_MALLCTL_CONFIG(stats, bool);
-	TEST_MALLCTL_CONFIG(tcache, bool);
-	TEST_MALLCTL_CONFIG(tls, bool);
-	TEST_MALLCTL_CONFIG(utrace, bool);
-	TEST_MALLCTL_CONFIG(valgrind, bool);
-	TEST_MALLCTL_CONFIG(xmalloc, bool);
-
-#undef TEST_MALLCTL_CONFIG
-}
-TEST_END
-
-TEST_BEGIN(test_mallctl_opt)
-{
-	bool config_always = true;
-
-#define	TEST_MALLCTL_OPT(t, opt, config) do {				\
-	t oldval;							\
-	size_t sz = sizeof(oldval);					\
-	int expected = config_##config ? 0 : ENOENT;			\
-	int result = mallctl("opt."#opt, &oldval, &sz, NULL, 0);	\
-	assert_d_eq(result, expected,					\
-	    "Unexpected mallctl() result for opt."#opt);		\
-	assert_zu_eq(sz, sizeof(oldval), "Unexpected output size");	\
-} while (0)
-
-	TEST_MALLCTL_OPT(bool, abort, always);
-	TEST_MALLCTL_OPT(size_t, lg_chunk, always);
-	TEST_MALLCTL_OPT(const char *, dss, always);
-	TEST_MALLCTL_OPT(unsigned, narenas, always);
-	TEST_MALLCTL_OPT(const char *, purge, always);
-	TEST_MALLCTL_OPT(ssize_t, lg_dirty_mult, always);
-	TEST_MALLCTL_OPT(ssize_t, decay_time, always);
-	TEST_MALLCTL_OPT(bool, stats_print, always);
-	TEST_MALLCTL_OPT(const char *, junk, fill);
-	TEST_MALLCTL_OPT(size_t, quarantine, fill);
-	TEST_MALLCTL_OPT(bool, redzone, fill);
-	TEST_MALLCTL_OPT(bool, zero, fill);
-	TEST_MALLCTL_OPT(bool, utrace, utrace);
-	TEST_MALLCTL_OPT(bool, xmalloc, xmalloc);
-	TEST_MALLCTL_OPT(bool, tcache, tcache);
-	TEST_MALLCTL_OPT(size_t, lg_tcache_max, tcache);
-	TEST_MALLCTL_OPT(bool, prof, prof);
-	TEST_MALLCTL_OPT(const char *, prof_prefix, prof);
-	TEST_MALLCTL_OPT(bool, prof_active, prof);
-	TEST_MALLCTL_OPT(ssize_t, lg_prof_sample, prof);
-	TEST_MALLCTL_OPT(bool, prof_accum, prof);
-	TEST_MALLCTL_OPT(ssize_t, lg_prof_interval, prof);
-	TEST_MALLCTL_OPT(bool, prof_gdump, prof);
-	TEST_MALLCTL_OPT(bool, prof_final, prof);
-	TEST_MALLCTL_OPT(bool, prof_leak, prof);
-
-#undef TEST_MALLCTL_OPT
-}
-TEST_END
-
-TEST_BEGIN(test_manpage_example)
-{
-	unsigned nbins, i;
-	size_t mib[4];
-	size_t len, miblen;
-
-	len = sizeof(nbins);
-	assert_d_eq(mallctl("arenas.nbins", &nbins, &len, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-
-	miblen = 4;
-	assert_d_eq(mallctlnametomib("arenas.bin.0.size", mib, &miblen), 0,
-	    "Unexpected mallctlnametomib() failure");
-	for (i = 0; i < nbins; i++) {
-		size_t bin_size;
-
-		mib[2] = i;
-		len = sizeof(bin_size);
-		assert_d_eq(mallctlbymib(mib, miblen, &bin_size, &len, NULL, 0),
-		    0, "Unexpected mallctlbymib() failure");
-		/* Do something with bin_size... */
-	}
-}
-TEST_END
-
-TEST_BEGIN(test_tcache_none)
-{
-	void *p0, *q, *p1;
-
-	test_skip_if(!config_tcache);
-
-	/* Allocate p and q. */
-	p0 = mallocx(42, 0);
-	assert_ptr_not_null(p0, "Unexpected mallocx() failure");
-	q = mallocx(42, 0);
-	assert_ptr_not_null(q, "Unexpected mallocx() failure");
-
-	/* Deallocate p and q, but bypass the tcache for q. */
-	dallocx(p0, 0);
-	dallocx(q, MALLOCX_TCACHE_NONE);
-
-	/* Make sure that tcache-based allocation returns p, not q. */
-	p1 = mallocx(42, 0);
-	assert_ptr_not_null(p1, "Unexpected mallocx() failure");
-	assert_ptr_eq(p0, p1, "Expected tcache to allocate cached region");
-
-	/* Clean up. */
-	dallocx(p1, MALLOCX_TCACHE_NONE);
-}
-TEST_END
-
-TEST_BEGIN(test_tcache)
-{
-#define	NTCACHES	10
-	unsigned tis[NTCACHES];
-	void *ps[NTCACHES];
-	void *qs[NTCACHES];
-	unsigned i;
-	size_t sz, psz, qsz;
-
-	test_skip_if(!config_tcache);
-
-	psz = 42;
-	qsz = nallocx(psz, 0) + 1;
-
-	/* Create tcaches. */
-	for (i = 0; i < NTCACHES; i++) {
-		sz = sizeof(unsigned);
-		assert_d_eq(mallctl("tcache.create", &tis[i], &sz, NULL, 0), 0,
-		    "Unexpected mallctl() failure, i=%u", i);
-	}
-
-	/* Exercise tcache ID recycling. */
-	for (i = 0; i < NTCACHES; i++) {
-		assert_d_eq(mallctl("tcache.destroy", NULL, NULL, &tis[i],
-		    sizeof(unsigned)), 0, "Unexpected mallctl() failure, i=%u",
-		    i);
-	}
-	for (i = 0; i < NTCACHES; i++) {
-		sz = sizeof(unsigned);
-		assert_d_eq(mallctl("tcache.create", &tis[i], &sz, NULL, 0), 0,
-		    "Unexpected mallctl() failure, i=%u", i);
-	}
-
-	/* Flush empty tcaches. */
-	for (i = 0; i < NTCACHES; i++) {
-		assert_d_eq(mallctl("tcache.flush", NULL, NULL, &tis[i],
-		    sizeof(unsigned)), 0, "Unexpected mallctl() failure, i=%u",
-		    i);
-	}
-
-	/* Cache some allocations. */
-	for (i = 0; i < NTCACHES; i++) {
-		ps[i] = mallocx(psz, MALLOCX_TCACHE(tis[i]));
-		assert_ptr_not_null(ps[i], "Unexpected mallocx() failure, i=%u",
-		    i);
-		dallocx(ps[i], MALLOCX_TCACHE(tis[i]));
-
-		qs[i] = mallocx(qsz, MALLOCX_TCACHE(tis[i]));
-		assert_ptr_not_null(qs[i], "Unexpected mallocx() failure, i=%u",
-		    i);
-		dallocx(qs[i], MALLOCX_TCACHE(tis[i]));
-	}
-
-	/* Verify that tcaches allocate cached regions. */
-	for (i = 0; i < NTCACHES; i++) {
-		void *p0 = ps[i];
-		ps[i] = mallocx(psz, MALLOCX_TCACHE(tis[i]));
-		assert_ptr_not_null(ps[i], "Unexpected mallocx() failure, i=%u",
-		    i);
-		assert_ptr_eq(ps[i], p0,
-		    "Expected mallocx() to allocate cached region, i=%u", i);
-	}
-
-	/* Verify that reallocation uses cached regions. */
-	for (i = 0; i < NTCACHES; i++) {
-		void *q0 = qs[i];
-		qs[i] = rallocx(ps[i], qsz, MALLOCX_TCACHE(tis[i]));
-		assert_ptr_not_null(qs[i], "Unexpected rallocx() failure, i=%u",
-		    i);
-		assert_ptr_eq(qs[i], q0,
-		    "Expected rallocx() to allocate cached region, i=%u", i);
-		/* Avoid undefined behavior in case of test failure. */
-		if (qs[i] == NULL)
-			qs[i] = ps[i];
-	}
-	for (i = 0; i < NTCACHES; i++)
-		dallocx(qs[i], MALLOCX_TCACHE(tis[i]));
-
-	/* Flush some non-empty tcaches. */
-	for (i = 0; i < NTCACHES/2; i++) {
-		assert_d_eq(mallctl("tcache.flush", NULL, NULL, &tis[i],
-		    sizeof(unsigned)), 0, "Unexpected mallctl() failure, i=%u",
-		    i);
-	}
-
-	/* Destroy tcaches. */
-	for (i = 0; i < NTCACHES; i++) {
-		assert_d_eq(mallctl("tcache.destroy", NULL, NULL, &tis[i],
-		    sizeof(unsigned)), 0, "Unexpected mallctl() failure, i=%u",
-		    i);
-	}
-}
-TEST_END
-
-TEST_BEGIN(test_thread_arena)
-{
-	unsigned arena_old, arena_new, narenas;
-	size_t sz = sizeof(unsigned);
-
-	assert_d_eq(mallctl("arenas.narenas", &narenas, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_u_eq(narenas, opt_narenas, "Number of arenas incorrect");
-	arena_new = narenas - 1;
-	assert_d_eq(mallctl("thread.arena", &arena_old, &sz, &arena_new,
-	    sizeof(unsigned)), 0, "Unexpected mallctl() failure");
-	arena_new = 0;
-	assert_d_eq(mallctl("thread.arena", &arena_old, &sz, &arena_new,
-	    sizeof(unsigned)), 0, "Unexpected mallctl() failure");
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_lg_dirty_mult)
-{
-	ssize_t lg_dirty_mult, orig_lg_dirty_mult, prev_lg_dirty_mult;
-	size_t sz = sizeof(ssize_t);
-
-	test_skip_if(opt_purge != purge_mode_ratio);
-
-	assert_d_eq(mallctl("arena.0.lg_dirty_mult", &orig_lg_dirty_mult, &sz,
-	    NULL, 0), 0, "Unexpected mallctl() failure");
-
-	lg_dirty_mult = -2;
-	assert_d_eq(mallctl("arena.0.lg_dirty_mult", NULL, NULL,
-	    &lg_dirty_mult, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	lg_dirty_mult = (sizeof(size_t) << 3);
-	assert_d_eq(mallctl("arena.0.lg_dirty_mult", NULL, NULL,
-	    &lg_dirty_mult, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	for (prev_lg_dirty_mult = orig_lg_dirty_mult, lg_dirty_mult = -1;
-	    lg_dirty_mult < (ssize_t)(sizeof(size_t) << 3); prev_lg_dirty_mult
-	    = lg_dirty_mult, lg_dirty_mult++) {
-		ssize_t old_lg_dirty_mult;
-
-		assert_d_eq(mallctl("arena.0.lg_dirty_mult", &old_lg_dirty_mult,
-		    &sz, &lg_dirty_mult, sizeof(ssize_t)), 0,
-		    "Unexpected mallctl() failure");
-		assert_zd_eq(old_lg_dirty_mult, prev_lg_dirty_mult,
-		    "Unexpected old arena.0.lg_dirty_mult");
-	}
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_decay_time)
-{
-	ssize_t decay_time, orig_decay_time, prev_decay_time;
-	size_t sz = sizeof(ssize_t);
-
-	test_skip_if(opt_purge != purge_mode_decay);
-
-	assert_d_eq(mallctl("arena.0.decay_time", &orig_decay_time, &sz,
-	    NULL, 0), 0, "Unexpected mallctl() failure");
-
-	decay_time = -2;
-	assert_d_eq(mallctl("arena.0.decay_time", NULL, NULL,
-	    &decay_time, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	decay_time = 0x7fffffff;
-	assert_d_eq(mallctl("arena.0.decay_time", NULL, NULL,
-	    &decay_time, sizeof(ssize_t)), 0,
-	    "Unexpected mallctl() failure");
-
-	for (prev_decay_time = decay_time, decay_time = -1;
-	    decay_time < 20; prev_decay_time = decay_time, decay_time++) {
-		ssize_t old_decay_time;
-
-		assert_d_eq(mallctl("arena.0.decay_time", &old_decay_time,
-		    &sz, &decay_time, sizeof(ssize_t)), 0,
-		    "Unexpected mallctl() failure");
-		assert_zd_eq(old_decay_time, prev_decay_time,
-		    "Unexpected old arena.0.decay_time");
-	}
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_purge)
-{
-	unsigned narenas;
-	size_t sz = sizeof(unsigned);
-	size_t mib[3];
-	size_t miblen = 3;
-
-	assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-
-	assert_d_eq(mallctl("arenas.narenas", &narenas, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_d_eq(mallctlnametomib("arena.0.purge", mib, &miblen), 0,
-	    "Unexpected mallctlnametomib() failure");
-	mib[1] = narenas;
-	assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
-	    "Unexpected mallctlbymib() failure");
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_decay)
-{
-	unsigned narenas;
-	size_t sz = sizeof(unsigned);
-	size_t mib[3];
-	size_t miblen = 3;
-
-	assert_d_eq(mallctl("arena.0.decay", NULL, NULL, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-
-	assert_d_eq(mallctl("arenas.narenas", &narenas, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_d_eq(mallctlnametomib("arena.0.decay", mib, &miblen), 0,
-	    "Unexpected mallctlnametomib() failure");
-	mib[1] = narenas;
-	assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
-	    "Unexpected mallctlbymib() failure");
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_dss)
-{
-	const char *dss_prec_old, *dss_prec_new;
-	size_t sz = sizeof(dss_prec_old);
-	size_t mib[3];
-	size_t miblen;
-
-	miblen = sizeof(mib)/sizeof(size_t);
-	assert_d_eq(mallctlnametomib("arena.0.dss", mib, &miblen), 0,
-	    "Unexpected mallctlnametomib() error");
-
-	dss_prec_new = "disabled";
-	assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_old, &sz, &dss_prec_new,
-	    sizeof(dss_prec_new)), 0, "Unexpected mallctl() failure");
-	assert_str_ne(dss_prec_old, "primary",
-	    "Unexpected default for dss precedence");
-
-	assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_new, &sz, &dss_prec_old,
-	    sizeof(dss_prec_old)), 0, "Unexpected mallctl() failure");
-
-	assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_old, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_str_ne(dss_prec_old, "primary",
-	    "Unexpected value for dss precedence");
-
-	mib[1] = narenas_total_get();
-	dss_prec_new = "disabled";
-	assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_old, &sz, &dss_prec_new,
-	    sizeof(dss_prec_new)), 0, "Unexpected mallctl() failure");
-	assert_str_ne(dss_prec_old, "primary",
-	    "Unexpected default for dss precedence");
-
-	assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_new, &sz, &dss_prec_old,
-	    sizeof(dss_prec_new)), 0, "Unexpected mallctl() failure");
-
-	assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_old, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_str_ne(dss_prec_old, "primary",
-	    "Unexpected value for dss precedence");
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_initialized)
-{
-	unsigned narenas;
-	size_t sz = sizeof(narenas);
-
-	assert_d_eq(mallctl("arenas.narenas", &narenas, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	{
-		VARIABLE_ARRAY(bool, initialized, narenas);
-
-		sz = narenas * sizeof(bool);
-		assert_d_eq(mallctl("arenas.initialized", initialized, &sz,
-		    NULL, 0), 0, "Unexpected mallctl() failure");
-	}
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_lg_dirty_mult)
-{
-	ssize_t lg_dirty_mult, orig_lg_dirty_mult, prev_lg_dirty_mult;
-	size_t sz = sizeof(ssize_t);
-
-	test_skip_if(opt_purge != purge_mode_ratio);
-
-	assert_d_eq(mallctl("arenas.lg_dirty_mult", &orig_lg_dirty_mult, &sz,
-	    NULL, 0), 0, "Unexpected mallctl() failure");
-
-	lg_dirty_mult = -2;
-	assert_d_eq(mallctl("arenas.lg_dirty_mult", NULL, NULL,
-	    &lg_dirty_mult, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	lg_dirty_mult = (sizeof(size_t) << 3);
-	assert_d_eq(mallctl("arenas.lg_dirty_mult", NULL, NULL,
-	    &lg_dirty_mult, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	for (prev_lg_dirty_mult = orig_lg_dirty_mult, lg_dirty_mult = -1;
-	    lg_dirty_mult < (ssize_t)(sizeof(size_t) << 3); prev_lg_dirty_mult =
-	    lg_dirty_mult, lg_dirty_mult++) {
-		ssize_t old_lg_dirty_mult;
-
-		assert_d_eq(mallctl("arenas.lg_dirty_mult", &old_lg_dirty_mult,
-		    &sz, &lg_dirty_mult, sizeof(ssize_t)), 0,
-		    "Unexpected mallctl() failure");
-		assert_zd_eq(old_lg_dirty_mult, prev_lg_dirty_mult,
-		    "Unexpected old arenas.lg_dirty_mult");
-	}
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_decay_time)
-{
-	ssize_t decay_time, orig_decay_time, prev_decay_time;
-	size_t sz = sizeof(ssize_t);
-
-	test_skip_if(opt_purge != purge_mode_decay);
-
-	assert_d_eq(mallctl("arenas.decay_time", &orig_decay_time, &sz,
-	    NULL, 0), 0, "Unexpected mallctl() failure");
-
-	decay_time = -2;
-	assert_d_eq(mallctl("arenas.decay_time", NULL, NULL,
-	    &decay_time, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	decay_time = 0x7fffffff;
-	assert_d_eq(mallctl("arenas.decay_time", NULL, NULL,
-	    &decay_time, sizeof(ssize_t)), 0,
-	    "Expected mallctl() failure");
-
-	for (prev_decay_time = decay_time, decay_time = -1;
-	    decay_time < 20; prev_decay_time = decay_time, decay_time++) {
-		ssize_t old_decay_time;
-
-		assert_d_eq(mallctl("arenas.decay_time", &old_decay_time,
-		    &sz, &decay_time, sizeof(ssize_t)), 0,
-		    "Unexpected mallctl() failure");
-		assert_zd_eq(old_decay_time, prev_decay_time,
-		    "Unexpected old arenas.decay_time");
-	}
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_constants)
-{
-
-#define	TEST_ARENAS_CONSTANT(t, name, expected) do {			\
-	t name;								\
-	size_t sz = sizeof(t);						\
-	assert_d_eq(mallctl("arenas."#name, &name, &sz, NULL, 0), 0,	\
-	    "Unexpected mallctl() failure");				\
-	assert_zu_eq(name, expected, "Incorrect "#name" size");		\
-} while (0)
-
-	TEST_ARENAS_CONSTANT(size_t, quantum, QUANTUM);
-	TEST_ARENAS_CONSTANT(size_t, page, PAGE);
-	TEST_ARENAS_CONSTANT(unsigned, nbins, NBINS);
-	TEST_ARENAS_CONSTANT(unsigned, nlruns, nlclasses);
-	TEST_ARENAS_CONSTANT(unsigned, nhchunks, nhclasses);
-
-#undef TEST_ARENAS_CONSTANT
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_bin_constants)
-{
-
-#define	TEST_ARENAS_BIN_CONSTANT(t, name, expected) do {		\
-	t name;								\
-	size_t sz = sizeof(t);						\
-	assert_d_eq(mallctl("arenas.bin.0."#name, &name, &sz, NULL, 0),	\
-	    0, "Unexpected mallctl() failure");				\
-	assert_zu_eq(name, expected, "Incorrect "#name" size");		\
-} while (0)
-
-	TEST_ARENAS_BIN_CONSTANT(size_t, size, arena_bin_info[0].reg_size);
-	TEST_ARENAS_BIN_CONSTANT(uint32_t, nregs, arena_bin_info[0].nregs);
-	TEST_ARENAS_BIN_CONSTANT(size_t, run_size, arena_bin_info[0].run_size);
-
-#undef TEST_ARENAS_BIN_CONSTANT
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_lrun_constants)
-{
-
-#define	TEST_ARENAS_LRUN_CONSTANT(t, name, expected) do {		\
-	t name;								\
-	size_t sz = sizeof(t);						\
-	assert_d_eq(mallctl("arenas.lrun.0."#name, &name, &sz, NULL,	\
-	    0), 0, "Unexpected mallctl() failure");			\
-	assert_zu_eq(name, expected, "Incorrect "#name" size");		\
-} while (0)
-
-	TEST_ARENAS_LRUN_CONSTANT(size_t, size, LARGE_MINCLASS);
-
-#undef TEST_ARENAS_LRUN_CONSTANT
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_hchunk_constants)
-{
-
-#define	TEST_ARENAS_HCHUNK_CONSTANT(t, name, expected) do {		\
-	t name;								\
-	size_t sz = sizeof(t);						\
-	assert_d_eq(mallctl("arenas.hchunk.0."#name, &name, &sz, NULL,	\
-	    0), 0, "Unexpected mallctl() failure");			\
-	assert_zu_eq(name, expected, "Incorrect "#name" size");		\
-} while (0)
-
-	TEST_ARENAS_HCHUNK_CONSTANT(size_t, size, chunksize);
-
-#undef TEST_ARENAS_HCHUNK_CONSTANT
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_extend)
-{
-	unsigned narenas_before, arena, narenas_after;
-	size_t sz = sizeof(unsigned);
-
-	assert_d_eq(mallctl("arenas.narenas", &narenas_before, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_d_eq(mallctl("arenas.extend", &arena, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-	assert_d_eq(mallctl("arenas.narenas", &narenas_after, &sz, NULL, 0), 0,
-	    "Unexpected mallctl() failure");
-
-	assert_u_eq(narenas_before+1, narenas_after,
-	    "Unexpected number of arenas before versus after extension");
-	assert_u_eq(arena, narenas_after-1, "Unexpected arena index");
-}
-TEST_END
-
-TEST_BEGIN(test_stats_arenas)
-{
-
-#define	TEST_STATS_ARENAS(t, name) do {					\
-	t name;								\
-	size_t sz = sizeof(t);						\
-	assert_d_eq(mallctl("stats.arenas.0."#name, &name, &sz, NULL,	\
-	    0), 0, "Unexpected mallctl() failure");			\
-} while (0)
-
-	TEST_STATS_ARENAS(unsigned, nthreads);
-	TEST_STATS_ARENAS(const char *, dss);
-	TEST_STATS_ARENAS(ssize_t, lg_dirty_mult);
-	TEST_STATS_ARENAS(ssize_t, decay_time);
-	TEST_STATS_ARENAS(size_t, pactive);
-	TEST_STATS_ARENAS(size_t, pdirty);
-
-#undef TEST_STATS_ARENAS
-}
-TEST_END
-
-int
-main(void)
-{
-
-	return (test(
-	    test_mallctl_errors,
-	    test_mallctlnametomib_errors,
-	    test_mallctlbymib_errors,
-	    test_mallctl_read_write,
-	    test_mallctlnametomib_short_mib,
-	    test_mallctl_config,
-	    test_mallctl_opt,
-	    test_manpage_example,
-	    test_tcache_none,
-	    test_tcache,
-	    test_thread_arena,
-	    test_arena_i_lg_dirty_mult,
-	    test_arena_i_decay_time,
-	    test_arena_i_purge,
-	    test_arena_i_decay,
-	    test_arena_i_dss,
-	    test_arenas_initialized,
-	    test_arenas_lg_dirty_mult,
-	    test_arenas_decay_time,
-	    test_arenas_constants,
-	    test_arenas_bin_constants,
-	    test_arenas_lrun_constants,
-	    test_arenas_hchunk_constants,
-	    test_arenas_extend,
-	    test_stats_arenas));
-}