| /******************************************************************************/ |
| #ifdef JEMALLOC_H_TYPES |
| |
| typedef struct witness_s witness_t; |
| typedef unsigned witness_rank_t; |
| typedef ql_head(witness_t) witness_list_t; |
| typedef int witness_comp_t (const witness_t *, const witness_t *); |
| |
| /* |
| * Lock ranks. Witnesses with rank WITNESS_RANK_OMIT are completely ignored by |
| * the witness machinery. |
| */ |
| #define WITNESS_RANK_OMIT 0U |
| |
| #define WITNESS_RANK_INIT 1U |
| #define WITNESS_RANK_CTL 1U |
| #define WITNESS_RANK_ARENAS 2U |
| |
| #define WITNESS_RANK_PROF_DUMP 3U |
| #define WITNESS_RANK_PROF_BT2GCTX 4U |
| #define WITNESS_RANK_PROF_TDATAS 5U |
| #define WITNESS_RANK_PROF_TDATA 6U |
| #define WITNESS_RANK_PROF_GCTX 7U |
| |
| #define WITNESS_RANK_ARENA 8U |
| #define WITNESS_RANK_ARENA_CHUNKS 9U |
| #define WITNESS_RANK_ARENA_NODE_CACHE 10 |
| |
| #define WITNESS_RANK_BASE 11U |
| |
| #define WITNESS_RANK_LEAF 0xffffffffU |
| #define WITNESS_RANK_ARENA_BIN WITNESS_RANK_LEAF |
| #define WITNESS_RANK_ARENA_HUGE WITNESS_RANK_LEAF |
| #define WITNESS_RANK_DSS WITNESS_RANK_LEAF |
| #define WITNESS_RANK_PROF_ACTIVE WITNESS_RANK_LEAF |
| #define WITNESS_RANK_PROF_DUMP_SEQ WITNESS_RANK_LEAF |
| #define WITNESS_RANK_PROF_GDUMP WITNESS_RANK_LEAF |
| #define WITNESS_RANK_PROF_NEXT_THR_UID WITNESS_RANK_LEAF |
| #define WITNESS_RANK_PROF_THREAD_ACTIVE_INIT WITNESS_RANK_LEAF |
| |
| #define WITNESS_INITIALIZER(rank) {"initializer", rank, NULL, {NULL, NULL}} |
| |
| #endif /* JEMALLOC_H_TYPES */ |
| /******************************************************************************/ |
| #ifdef JEMALLOC_H_STRUCTS |
| |
| struct witness_s { |
| /* Name, used for printing lock order reversal messages. */ |
| const char *name; |
| |
| /* |
| * Witness rank, where 0 is lowest and UINT_MAX is highest. Witnesses |
| * must be acquired in order of increasing rank. |
| */ |
| witness_rank_t rank; |
| |
| /* |
| * If two witnesses are of equal rank and they have the samp comp |
| * function pointer, it is called as a last attempt to differentiate |
| * between witnesses of equal rank. |
| */ |
| witness_comp_t *comp; |
| |
| /* Linkage for thread's currently owned locks. */ |
| ql_elm(witness_t) link; |
| }; |
| |
| #endif /* JEMALLOC_H_STRUCTS */ |
| /******************************************************************************/ |
| #ifdef JEMALLOC_H_EXTERNS |
| |
| void witness_init(witness_t *witness, const char *name, witness_rank_t rank, |
| witness_comp_t *comp); |
| #ifdef JEMALLOC_JET |
| typedef void (witness_lock_error_t)(const witness_list_t *, const witness_t *); |
| extern witness_lock_error_t *witness_lock_error; |
| #endif |
| void witness_lock(tsdn_t *tsdn, witness_t *witness); |
| void witness_unlock(tsdn_t *tsdn, witness_t *witness); |
| #ifdef JEMALLOC_JET |
| typedef void (witness_owner_error_t)(const witness_t *); |
| extern witness_owner_error_t *witness_owner_error; |
| #endif |
| void witness_assert_owner(tsdn_t *tsdn, const witness_t *witness); |
| #ifdef JEMALLOC_JET |
| typedef void (witness_not_owner_error_t)(const witness_t *); |
| extern witness_not_owner_error_t *witness_not_owner_error; |
| #endif |
| void witness_assert_not_owner(tsdn_t *tsdn, const witness_t *witness); |
| #ifdef JEMALLOC_JET |
| typedef void (witness_lockless_error_t)(const witness_list_t *); |
| extern witness_lockless_error_t *witness_lockless_error; |
| #endif |
| void witness_assert_lockless(tsdn_t *tsdn); |
| |
| void witnesses_cleanup(tsd_t *tsd); |
| void witness_fork_cleanup(tsd_t *tsd); |
| void witness_prefork(tsd_t *tsd); |
| void witness_postfork_parent(tsd_t *tsd); |
| void witness_postfork_child(tsd_t *tsd); |
| |
| #endif /* JEMALLOC_H_EXTERNS */ |
| /******************************************************************************/ |
| #ifdef JEMALLOC_H_INLINES |
| |
| #endif /* JEMALLOC_H_INLINES */ |
| /******************************************************************************/ |