diff options
Diffstat (limited to 'erts/emulator/beam/global.h')
| -rw-r--r-- | erts/emulator/beam/global.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 2b2f3c5cdc..5c5693a315 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -42,6 +42,7 @@ #include "erl_utils.h" #include "erl_port.h" #include "erl_gc.h" +#include "erl_nif.h" struct enif_func_t; @@ -58,6 +59,33 @@ struct enif_environment_t /* ErlNifEnv */ Process *tracee; int exiting; /* boolean (dirty nifs might return in exiting state) */ }; +struct enif_resource_type_t +{ + struct enif_resource_type_t* next; /* list of all resource types */ + struct enif_resource_type_t* prev; + struct erl_module_nif* owner; /* that created this type and thus implements the destructor*/ + ErlNifResourceDtor* dtor; /* user destructor function */ + ErlNifResourceStop* stop; + erts_refc_t refc; /* num of resources of this type (HOTSPOT warning) + +1 for active erl_module_nif */ + Eterm module; + Eterm name; +}; +typedef struct enif_resource_t +{ + struct enif_resource_type_t* type; +#ifdef DEBUG + erts_refc_t nif_refc; +# ifdef ARCH_32 + byte align__[4]; +# endif +#endif + + char data[1]; +}ErlNifResource; + +#define DATA_TO_RESOURCE(PTR) ((ErlNifResource*)((char*)(PTR) - offsetof(ErlNifResource,data))) + extern void erts_pre_nif(struct enif_environment_t*, Process*, struct erl_module_nif*, Process* tracee); extern void erts_post_nif(struct enif_environment_t* env); @@ -67,6 +95,7 @@ extern void erts_pre_dirty_nif(ErtsSchedulerData *, struct erl_module_nif*); extern void erts_post_dirty_nif(struct enif_environment_t* env); #endif +extern void erts_resource_stop(ErlNifResource* resource); extern Eterm erts_nif_taints(Process* p); extern void erts_print_nif_taints(fmtfn_t to, void* to_arg); void erts_unload_nif(struct erl_module_nif* nif); |