project-base/server-skynet-source-3rd-jemalloc
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Remove a stray memset(), and fix a junk filling test regression.

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This commit is contained in:
Jason Evans
2016-06-03 20:04:30 -07:00
parent f02fec8839
commit 04942c3d90
4 changed files with 34 additions and 7 deletions
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24
test/unit/junk.c
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@@ -10,6 +10,7 @@ const char *malloc_conf =
static arena_dalloc_junk_small_t *arena_dalloc_junk_small_orig;
static large_dalloc_junk_t *large_dalloc_junk_orig;
static large_dalloc_maybe_junk_t *large_dalloc_maybe_junk_orig;
static void *watch_for_junking;
static bool saw_junking;
@@ -39,13 +40,23 @@ arena_dalloc_junk_small_intercept(void *ptr, const arena_bin_info_t *bin_info)
static void
large_dalloc_junk_intercept(void *ptr, size_t usize)
{
size_t i;
large_dalloc_junk_orig(ptr, usize);
/*
* The conditions under which junk filling actually occurs are nuanced
* enough that it doesn't make sense to duplicate the decision logic in
* test code, so don't actually check that the region is junk-filled.
*/
for (i = 0; i < usize; i++) {
assert_u_eq(((uint8_t *)ptr)[i], JEMALLOC_FREE_JUNK,
"Missing junk fill for byte %zu/%zu of deallocated region",
i, usize);
}
if (ptr == watch_for_junking)
saw_junking = true;
}
static void
large_dalloc_maybe_junk_intercept(tsdn_t *tsdn, void *ptr, size_t usize)
{
large_dalloc_maybe_junk_orig(tsdn, ptr, usize);
if (ptr == watch_for_junking)
saw_junking = true;
}
@@ -61,6 +72,8 @@ test_junk(size_t sz_min, size_t sz_max)
arena_dalloc_junk_small = arena_dalloc_junk_small_intercept;
large_dalloc_junk_orig = large_dalloc_junk;
large_dalloc_junk = large_dalloc_junk_intercept;
large_dalloc_maybe_junk_orig = large_dalloc_maybe_junk;
large_dalloc_maybe_junk = large_dalloc_maybe_junk_intercept;
}
sz_prev = 0;
@@ -111,6 +124,7 @@ test_junk(size_t sz_min, size_t sz_max)
if (opt_junk_free) {
arena_dalloc_junk_small = arena_dalloc_junk_small_orig;
large_dalloc_junk = large_dalloc_junk_orig;
large_dalloc_maybe_junk = large_dalloc_maybe_junk_orig;
}
}