server-skynet-source-3rd-je.../test/unit/prof_tctx.c
David Goldblatt 0a0fcd3e6a Add hooking functionality
This allows us to hook chosen functions and do interesting things there (in
particular: reentrancy checking).
2017-04-07 14:10:27 -07:00

47 lines
1.3 KiB
C

#include "test/jemalloc_test.h"
TEST_BEGIN(test_prof_realloc) {
tsdn_t *tsdn;
int flags;
void *p, *q;
prof_tctx_t *tctx_p, *tctx_q;
uint64_t curobjs_0, curobjs_1, curobjs_2, curobjs_3;
test_skip_if(!config_prof);
tsdn = tsdn_fetch();
flags = MALLOCX_TCACHE_NONE;
prof_cnt_all(&curobjs_0, NULL, NULL, NULL);
p = mallocx(1024, flags);
assert_ptr_not_null(p, "Unexpected mallocx() failure");
tctx_p = prof_tctx_get(tsdn, p);
assert_ptr_ne(tctx_p, (prof_tctx_t *)(uintptr_t)1U,
"Expected valid tctx");
prof_cnt_all(&curobjs_1, NULL, NULL, NULL);
assert_u64_eq(curobjs_0 + 1, curobjs_1,
"Allocation should have increased sample size");
q = rallocx(p, 2048, flags);
assert_ptr_ne(p, q, "Expected move");
assert_ptr_not_null(p, "Unexpected rmallocx() failure");
tctx_q = prof_tctx_get(tsdn, q);
assert_ptr_ne(tctx_q, (prof_tctx_t *)(uintptr_t)1U,
"Expected valid tctx");
prof_cnt_all(&curobjs_2, NULL, NULL, NULL);
assert_u64_eq(curobjs_1, curobjs_2,
"Reallocation should not have changed sample size");
dallocx(q, flags);
prof_cnt_all(&curobjs_3, NULL, NULL, NULL);
assert_u64_eq(curobjs_0, curobjs_3,
"Sample size should have returned to base level");
}
TEST_END
int
main(void) {
return test_no_reentrancy(
test_prof_realloc);
}