Blame jemalloc/src/witness.c

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#define JEMALLOC_WITNESS_C_
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#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/jemalloc_internal_includes.h"
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#include "jemalloc/internal/assert.h"
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#include "jemalloc/internal/malloc_io.h"
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void
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witness_init(witness_t *witness, const char *name, witness_rank_t rank,
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    witness_comp_t *comp, void *opaque) {
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	witness->name = name;
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	witness->rank = rank;
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	witness->comp = comp;
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	witness->opaque = opaque;
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}
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static void
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witness_lock_error_impl(const witness_list_t *witnesses,
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    const witness_t *witness) {
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	witness_t *w;
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	malloc_printf("<jemalloc>: Lock rank order reversal:");
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	ql_foreach(w, witnesses, link) {
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		malloc_printf(" %s(%u)", w->name, w->rank);
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	}
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	malloc_printf(" %s(%u)\n", witness->name, witness->rank);
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	abort();
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}
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witness_lock_error_t *JET_MUTABLE witness_lock_error = witness_lock_error_impl;
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static void
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witness_owner_error_impl(const witness_t *witness) {
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	malloc_printf("<jemalloc>: Should own %s(%u)\n", witness->name,
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	    witness->rank);
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	abort();
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}
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witness_owner_error_t *JET_MUTABLE witness_owner_error =
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    witness_owner_error_impl;
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static void
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witness_not_owner_error_impl(const witness_t *witness) {
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	malloc_printf("<jemalloc>: Should not own %s(%u)\n", witness->name,
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	    witness->rank);
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	abort();
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}
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witness_not_owner_error_t *JET_MUTABLE witness_not_owner_error =
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    witness_not_owner_error_impl;
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static void
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witness_depth_error_impl(const witness_list_t *witnesses,
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    witness_rank_t rank_inclusive, unsigned depth) {
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	witness_t *w;
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	malloc_printf("<jemalloc>: Should own %u lock%s of rank >= %u:", depth,
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	    (depth != 1) ?  "s" : "", rank_inclusive);
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	ql_foreach(w, witnesses, link) {
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		malloc_printf(" %s(%u)", w->name, w->rank);
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	}
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	malloc_printf("\n");
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	abort();
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}
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witness_depth_error_t *JET_MUTABLE witness_depth_error =
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    witness_depth_error_impl;
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void
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witnesses_cleanup(witness_tsd_t *witness_tsd) {
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	witness_assert_lockless(witness_tsd_tsdn(witness_tsd));
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	/* Do nothing. */
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}
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void
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witness_prefork(witness_tsd_t *witness_tsd) {
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	if (!config_debug) {
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		return;
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	}
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	witness_tsd->forking = true;
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}
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void
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witness_postfork_parent(witness_tsd_t *witness_tsd) {
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	if (!config_debug) {
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		return;
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	}
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	witness_tsd->forking = false;
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}
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void
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witness_postfork_child(witness_tsd_t *witness_tsd) {
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	if (!config_debug) {
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		return;
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	}
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#ifndef JEMALLOC_MUTEX_INIT_CB
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	witness_list_t *witnesses;
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	witnesses = &witness_tsd->witnesses;
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	ql_new(witnesses);
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#endif
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	witness_tsd->forking = false;
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}