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#include "test/jemalloc_test.h"
static const bool config_stats =
#ifdef JEMALLOC_STATS
true
#else
false
#endif
;
void *
thd_start(void *arg) {
int err;
void *p;
uint64_t a0, a1, d0, d1;
uint64_t *ap0, *ap1, *dp0, *dp1;
size_t sz, usize;
sz = sizeof(a0);
if ((err = mallctl("thread.allocated", (void *)&a0, &sz, NULL, 0))) {
if (err == ENOENT) {
goto label_ENOENT;
}
test_fail("%s(): Error in mallctl(): %s", __func__,
strerror(err));
}
sz = sizeof(ap0);
if ((err = mallctl("thread.allocatedp", (void *)&ap0, &sz, NULL, 0))) {
if (err == ENOENT) {
goto label_ENOENT;
}
test_fail("%s(): Error in mallctl(): %s", __func__,
strerror(err));
}
assert_u64_eq(*ap0, a0,
"\"thread.allocatedp\" should provide a pointer to internal "
"storage");
sz = sizeof(d0);
if ((err = mallctl("thread.deallocated", (void *)&d0, &sz, NULL, 0))) {
if (err == ENOENT) {
goto label_ENOENT;
}
test_fail("%s(): Error in mallctl(): %s", __func__,
strerror(err));
}
sz = sizeof(dp0);
if ((err = mallctl("thread.deallocatedp", (void *)&dp0, &sz, NULL,
0))) {
if (err == ENOENT) {
goto label_ENOENT;
}
test_fail("%s(): Error in mallctl(): %s", __func__,
strerror(err));
}
assert_u64_eq(*dp0, d0,
"\"thread.deallocatedp\" should provide a pointer to internal "
"storage");
p = malloc(1);
assert_ptr_not_null(p, "Unexpected malloc() error");
sz = sizeof(a1);
mallctl("thread.allocated", (void *)&a1, &sz, NULL, 0);
sz = sizeof(ap1);
mallctl("thread.allocatedp", (void *)&ap1, &sz, NULL, 0);
assert_u64_eq(*ap1, a1,
"Dereferenced \"thread.allocatedp\" value should equal "
"\"thread.allocated\" value");
assert_ptr_eq(ap0, ap1,
"Pointer returned by \"thread.allocatedp\" should not change");
usize = malloc_usable_size(p);
assert_u64_le(a0 + usize, a1,
"Allocated memory counter should increase by at least the amount "
"explicitly allocated");
free(p);
sz = sizeof(d1);
mallctl("thread.deallocated", (void *)&d1, &sz, NULL, 0);
sz = sizeof(dp1);
mallctl("thread.deallocatedp", (void *)&dp1, &sz, NULL, 0);
assert_u64_eq(*dp1, d1,
"Dereferenced \"thread.deallocatedp\" value should equal "
"\"thread.deallocated\" value");
assert_ptr_eq(dp0, dp1,
"Pointer returned by \"thread.deallocatedp\" should not change");
assert_u64_le(d0 + usize, d1,
"Deallocated memory counter should increase by at least the amount "
"explicitly deallocated");
return NULL;
label_ENOENT:
assert_false(config_stats,
"ENOENT should only be returned if stats are disabled");
test_skip("\"thread.allocated\" mallctl not available");
return NULL;
}
TEST_BEGIN(test_main_thread) {
thd_start(NULL);
}
TEST_END
TEST_BEGIN(test_subthread) {
thd_t thd;
thd_create(&thd, thd_start, NULL);
thd_join(thd, NULL);
}
TEST_END
int
main(void) {
/* Run tests multiple times to check for bad interactions. */
return test(
test_main_thread,
test_subthread,
test_main_thread,
test_subthread,
test_main_thread);
}
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