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Deduplicate entries in witness error message

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This commit is contained in:
Yinan Zhang 2020-04-21 13:29:07 -07:00
parent f1f8a75496
commit 0295aa38a2
1 changed files with 33 additions and 10 deletions
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43
src/witness.c
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@ -14,15 +14,42 @@ witness_init(witness_t *witness, const char *name, witness_rank_t rank,
witness->opaque = opaque;
}
static void
witness_print_witness(witness_t *w, unsigned n) {
assert(n > 0);
if (n == 1) {
malloc_printf(" %s(%u)", w->name, w->rank);
} else {
malloc_printf(" %s(%u)X%u", w->name, w->rank, n);
}
}
static void
witness_print_witnesses(const witness_list_t *witnesses) {
witness_t *w, *last = NULL;
unsigned n = 0;
ql_foreach(w, witnesses, link) {
if (last != NULL && w->rank > last->rank) {
assert(w->name != last->name);
witness_print_witness(last, n);
n = 0;
} else if (last != NULL) {
assert(w->rank == last->rank);
assert(w->name == last->name);
}
last = w;
++n;
}
if (last != NULL) {
witness_print_witness(last, n);
}
}
static void
witness_lock_error_impl(const witness_list_t *witnesses,
const witness_t *witness) {
witness_t *w;
malloc_printf("<jemalloc>: Lock rank order reversal:");
ql_foreach(w, witnesses, link) {
malloc_printf(" %s(%u)", w->name, w->rank);
}
witness_print_witnesses(witnesses);
malloc_printf(" %s(%u)\n", witness->name, witness->rank);
abort();
}
@ -49,13 +76,9 @@ witness_not_owner_error_t *JET_MUTABLE witness_not_owner_error =
static void
witness_depth_error_impl(const witness_list_t *witnesses,
witness_rank_t rank_inclusive, unsigned depth) {
witness_t *w;
malloc_printf("<jemalloc>: Should own %u lock%s of rank >= %u:", depth,
(depth != 1) ? "s" : "", rank_inclusive);
ql_foreach(w, witnesses, link) {
malloc_printf(" %s(%u)", w->name, w->rank);
}
witness_print_witnesses(witnesses);
malloc_printf("\n");
abort();
}