void erts_init_node_tables(int dd_sec)
{
erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER;
HashFunctions f;
ErlNode node_tmpl;
if (dd_sec == ERTS_NODE_TAB_DELAY_GC_INFINITY)
node_tab_delete_delay = (ErtsMonotonicTime) -1;
else
node_tab_delete_delay = ((ErtsMonotonicTime) dd_sec)*1000;
orig_node_tab_delete_delay = node_tab_delete_delay;
rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ;
rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED;
erts_smp_rwmtx_init_opt(&erts_node_table_rwmtx, &rwmtx_opt, "node_table");
erts_smp_rwmtx_init_opt(&erts_dist_table_rwmtx, &rwmtx_opt, "dist_table");
f.hash = (H_FUN) dist_table_hash;
f.cmp = (HCMP_FUN) dist_table_cmp;
f.alloc = (HALLOC_FUN) dist_table_alloc;
f.free = (HFREE_FUN) dist_table_free;
f.meta_alloc = (HMALLOC_FUN) erts_alloc;
f.meta_free = (HMFREE_FUN) erts_free;
f.meta_print = (HMPRINT_FUN) erts_print;
hash_init(ERTS_ALC_T_DIST_TABLE, &erts_dist_table, "dist_table", 11, f);
f.hash = (H_FUN) node_table_hash;
f.cmp = (HCMP_FUN) node_table_cmp;
f.alloc = (HALLOC_FUN) node_table_alloc;
f.free = (HFREE_FUN) node_table_free;
hash_init(ERTS_ALC_T_NODE_TABLE, &erts_node_table, "node_table", 11, f);
erts_hidden_dist_entries = NULL;
erts_visible_dist_entries = NULL;
erts_not_connected_dist_entries = NULL;
erts_no_of_hidden_dist_entries = 0;
erts_no_of_visible_dist_entries = 0;
erts_no_of_not_connected_dist_entries = 0;
node_tmpl.sysname = am_Noname;
node_tmpl.creation = 0;
erts_this_node = hash_put(&erts_node_table, &node_tmpl);
/* +1 for erts_this_node */
erts_refc_init(&erts_this_node->refc, 1);
ASSERT(erts_this_node->dist_entry != NULL);
erts_this_dist_entry = erts_this_node->dist_entry;
/* +1 for erts_this_dist_entry */
/* +1 for erts_this_node->dist_entry */
erts_refc_init(&erts_this_dist_entry->refc, 2);
erts_this_node_sysname = erts_this_node_sysname_BUFFER;
erts_snprintf(erts_this_node_sysname, sizeof(erts_this_node_sysname_BUFFER),
"%T", erts_this_node->sysname);
references_atoms_need_init = 1;
}
static int load_driver_entry(DE_Handle **dhp, char *path, char *name)
{
int res;
DE_Handle *dh = erts_alloc(ERTS_ALC_T_DDLL_HANDLE, sizeof(DE_Handle));
assert_drv_list_rwlocked();
dh->handle = NULL;
dh->procs = NULL;
erts_atomic32_init_nob(&dh->port_count, 0);
erts_refc_init(&(dh->refc), (erts_aint_t) 0);
dh->status = -1;
dh->reload_full_path = NULL;
dh->reload_driver_name = NULL;
dh->reload_flags = 0;
dh->full_path = NULL;
dh->flags = 0;
if ((res = do_load_driver_entry(dh, path, name)) != ERL_DE_NO_ERROR) {
erts_free(ERTS_ALC_T_DDLL_HANDLE, (void *) dh);
dh = NULL;
}
*dhp = dh;
return res;
}
static void*
dist_table_alloc(void *dep_tmpl)
{
Eterm chnl_nr;
Eterm sysname;
DistEntry *dep;
erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER;
rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ;
sysname = ((DistEntry *) dep_tmpl)->sysname;
chnl_nr = make_small((Uint) atom_val(sysname));
dep = (DistEntry *) erts_alloc(ERTS_ALC_T_DIST_ENTRY, sizeof(DistEntry));
dist_entries++;
dep->prev = NULL;
erts_refc_init(&dep->refc, -1);
erts_smp_rwmtx_init_opt_x(&dep->rwmtx, &rwmtx_opt, "dist_entry", chnl_nr);
dep->sysname = sysname;
dep->cid = NIL;
dep->connection_id = 0;
dep->status = 0;
dep->flags = 0;
dep->version = 0;
erts_smp_mtx_init_x(&dep->lnk_mtx, "dist_entry_links", chnl_nr);
dep->node_links = NULL;
dep->nlinks = NULL;
dep->monitors = NULL;
erts_smp_mtx_init_x(&dep->qlock, "dist_entry_out_queue", chnl_nr);
dep->qflgs = 0;
dep->qsize = 0;
dep->out_queue.first = NULL;
dep->out_queue.last = NULL;
dep->suspended = NULL;
dep->finalized_out_queue.first = NULL;
dep->finalized_out_queue.last = NULL;
erts_smp_atomic_init_nob(&dep->dist_cmd_scheduled, 0);
erts_port_task_handle_init(&dep->dist_cmd);
dep->send = NULL;
dep->cache = NULL;
/* Link in */
/* All new dist entries are "not connected".
* erts_this_dist_entry is also always included among "not connected"
*/
dep->next = erts_not_connected_dist_entries;
if(erts_not_connected_dist_entries) {
ASSERT(erts_not_connected_dist_entries->prev == NULL);
erts_not_connected_dist_entries->prev = dep;
}
erts_not_connected_dist_entries = dep;
erts_no_of_not_connected_dist_entries++;
return (void *) dep;
}
ErlNifResourceType*
enif_open_resource_type(ErlNifEnv* env,
const char* module_str,
const char* name_str,
ErlNifResourceDtor* dtor,
ErlNifResourceFlags flags,
ErlNifResourceFlags* tried)
{
ErlNifResourceType* type = NULL;
ErlNifResourceFlags op = flags;
Eterm module_am, name_am;
ASSERT(erts_smp_thr_progress_is_blocking());
ASSERT(module_str == NULL); /* for now... */
module_am = make_atom(env->mod_nif->mod->module);
name_am = enif_make_atom(env, name_str);
type = find_resource_type(module_am, name_am);
if (type == NULL) {
if (flags & ERL_NIF_RT_CREATE) {
type = erts_alloc(ERTS_ALC_T_NIF,
sizeof(struct enif_resource_type_t));
type->dtor = dtor;
type->module = module_am;
type->name = name_am;
erts_refc_init(&type->refc, 1);
type->owner = env->mod_nif;
type->prev = &resource_type_list;
type->next = resource_type_list.next;
type->next->prev = type;
type->prev->next = type;
op = ERL_NIF_RT_CREATE;
}
}
else {
if (flags & ERL_NIF_RT_TAKEOVER) {
steal_resource_type(type);
op = ERL_NIF_RT_TAKEOVER;
}
else {
type = NULL;
}
}
if (type != NULL) {
type->owner = env->mod_nif;
type->dtor = dtor;
if (type->dtor != NULL) {
erts_refc_inc(&type->owner->rt_dtor_cnt, 1);
}
erts_refc_inc(&type->owner->rt_cnt, 1);
}
if (tried != NULL) {
*tried = op;
}
return type;
}
void* enif_alloc_resource(ErlNifResourceType* type, size_t size)
{
Binary* bin = erts_create_magic_binary(SIZEOF_ErlNifResource(size), &nif_resource_dtor);
ErlNifResource* resource = ERTS_MAGIC_BIN_DATA(bin);
resource->type = type;
erts_refc_inc(&bin->refc, 1);
#ifdef DEBUG
erts_refc_init(&resource->nif_refc, 1);
#endif
erts_refc_inc(&resource->type->refc, 2);
return resource->data;
}
static void*
node_table_alloc(void *venp_tmpl)
{
ErlNode *enp;
enp = (ErlNode *) erts_alloc(ERTS_ALC_T_NODE_ENTRY, sizeof(ErlNode));
node_entries++;
erts_refc_init(&enp->refc, -1);
enp->creation = ((ErlNode *) venp_tmpl)->creation;
enp->sysname = ((ErlNode *) venp_tmpl)->sysname;
enp->dist_entry = erts_find_or_insert_dist_entry(((ErlNode *) venp_tmpl)->sysname);
return (void *) enp;
}
int enif_alloc_binary(size_t size, ErlNifBinary* bin)
{
Binary* refbin;
refbin = erts_bin_drv_alloc_fnf(size); /* BUGBUG: alloc type? */
if (refbin == NULL) {
return 0; /* The NIF must take action */
}
refbin->flags = BIN_FLAG_DRV; /* BUGBUG: Flag? */
erts_refc_init(&refbin->refc, 1);
refbin->orig_size = (long) size;
bin->size = size;
bin->data = (unsigned char*) refbin->orig_bytes;
bin->bin_term = THE_NON_VALUE;
bin->ref_bin = refbin;
return 1;
}
static ErtsIOQBinary *alloc_binary(Uint size, char *source, void **iov_base, int driver)
{
if (driver) {
ErlDrvBinary *bin = driver_alloc_binary(size);
if (!bin) return NULL;
sys_memcpy(bin->orig_bytes, source, size);
*iov_base = bin->orig_bytes;
return (ErtsIOQBinary *)bin;
} else {
/* This clause can be triggered in enif_ioq_enq_binary is used */
Binary *bin = erts_bin_nrml_alloc(size);
if (!bin) return NULL;
erts_refc_init(&bin->intern.refc, 1);
sys_memcpy(bin->orig_bytes, source, size);
*iov_base = bin->orig_bytes;
return (ErtsIOQBinary *)bin;
}
}
static void*
dist_table_alloc(void *dep_tmpl)
{
DistEntry *dep;
if(((DistEntry *) dep_tmpl) == erts_this_dist_entry)
return dep_tmpl;
dep = (DistEntry *) erts_alloc(ERTS_ALC_T_DIST_ENTRY, sizeof(DistEntry));
dist_entries++;
dep->prev = NULL;
erts_refc_init(&dep->refc, -1);
dep->sysname = ((DistEntry *) dep_tmpl)->sysname;
dep->cid = NIL;
dep->nlinks = NULL;
dep->node_links = NULL;
dep->monitors = NULL;
dep->status = 0;
dep->flags = 0;
dep->cache = NULL;
dep->version = 0;
#ifdef ERTS_SMP
dep->mtxp = &dist_entry_mutexes[(atom_val(dep->sysname)
% ERTS_NO_OF_DIST_ENTRY_MUTEXES)];
#endif
/* Link in */
/* All new dist entries are "not connected" */
dep->next = erts_not_connected_dist_entries;
if(erts_not_connected_dist_entries) {
ASSERT(erts_not_connected_dist_entries->prev == NULL);
erts_not_connected_dist_entries->prev = dep;
}
erts_not_connected_dist_entries = dep;
erts_no_of_not_connected_dist_entries++;
return (void *) dep;
}
void
erts_slave_serve_refc(struct master_command_refc *cmd)
{
switch (cmd->op) {
case MASTER_REFC_OP_INIT:
erts_refc_init(cmd->refcp, cmd->arg);
break;
case MASTER_REFC_OP_INC:
erts_refc_inc(cmd->refcp, cmd->min_val);
break;
case MASTER_REFC_OP_DEC:
erts_refc_dec(cmd->refcp, cmd->min_val);
break;
case MASTER_REFC_OP_ADD:
erts_refc_add(cmd->refcp, cmd->arg, cmd->min_val);
break;
case MASTER_REFC_OP_DECFREE:
erts_refc_decfree(cmd->refcp, cmd->min_val, cmd->kind, cmd->objp);
break;
default:
erl_exit(1, "Unexpected op %d in erts_slave_serve_refc", cmd->op);
}
}
static void first_ddll_reference(DE_Handle *dh)
{
assert_drv_list_rwlocked();
erts_refc_init(&(dh->refc),1);
}
void erts_init_node_tables(void)
{
HashFunctions f;
f.hash = (H_FUN) dist_table_hash;
f.cmp = (HCMP_FUN) dist_table_cmp;
f.alloc = (HALLOC_FUN) dist_table_alloc;
f.free = (HFREE_FUN) dist_table_free;
erts_this_dist_entry = erts_alloc(ERTS_ALC_T_DIST_ENTRY, sizeof(DistEntry));
dist_entries = 1;
hash_init(ERTS_ALC_T_DIST_TABLE, &erts_dist_table, "dist_table", 11, f);
erts_hidden_dist_entries = NULL;
erts_visible_dist_entries = NULL;
erts_not_connected_dist_entries = NULL;
erts_no_of_hidden_dist_entries = 0;
erts_no_of_visible_dist_entries = 0;
erts_no_of_not_connected_dist_entries = 0;
erts_this_dist_entry->next = NULL;
erts_this_dist_entry->prev = NULL;
erts_refc_init(&erts_this_dist_entry->refc, 1); /* erts_this_node */
erts_this_dist_entry->sysname = am_Noname;
erts_this_dist_entry->cid = NIL;
erts_this_dist_entry->node_links = NULL;
erts_this_dist_entry->nlinks = NULL;
erts_this_dist_entry->monitors = NULL;
erts_this_dist_entry->status = 0;
erts_this_dist_entry->flags = 0;
erts_this_dist_entry->cache = NULL;
erts_this_dist_entry->version = 0;
(void) hash_put(&erts_dist_table, (void *) erts_this_dist_entry);
f.hash = (H_FUN) node_table_hash;
f.cmp = (HCMP_FUN) node_table_cmp;
f.alloc = (HALLOC_FUN) node_table_alloc;
f.free = (HFREE_FUN) node_table_free;
hash_init(ERTS_ALC_T_NODE_TABLE, &erts_node_table, "node_table", 11, f);
erts_this_node = erts_alloc(ERTS_ALC_T_NODE_ENTRY, sizeof(ErlNode));
node_entries = 1;
erts_refc_init(&erts_this_node->refc, 1); /* The system itself */
erts_this_node->sysname = am_Noname;
erts_this_node->creation = 0;
erts_this_node->dist_entry = erts_this_dist_entry;
(void) hash_put(&erts_node_table, (void *) erts_this_node);
#ifdef ERTS_SMP
{
int i;
for (i = 0; i < ERTS_NO_OF_DIST_ENTRY_MUTEXES; i++) {
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_smp_mtx_init_x(&dist_entry_mutexes[i], "dist_entry", make_small(i));
#else
erts_smp_mtx_init(&dist_entry_mutexes[i], "dist_entry");
#endif /*ERTS_ENABLE_LOCK_COUNT*/
}
erts_this_dist_entry->mtxp = &dist_entry_mutexes[0];
erts_smp_mtx_init(&erts_node_table_mtx, "node_table");
erts_smp_mtx_init(&erts_dist_table_mtx, "dist_table");
}
#endif
references_atoms_need_init = 1;
}
BIF_RETTYPE load_nif_2(BIF_ALIST_2)
{
static const char bad_lib[] = "bad_lib";
static const char reload[] = "reload";
static const char upgrade[] = "upgrade";
char* lib_name = NULL;
void* handle = NULL;
void* init_func;
ErlNifEntry* entry = NULL;
ErlNifEnv env;
int len, i, err;
Module* mod;
Eterm mod_atom;
Eterm f_atom;
BeamInstr* caller;
ErtsSysDdllError errdesc = ERTS_SYS_DDLL_ERROR_INIT;
Eterm ret = am_ok;
int veto;
struct erl_module_nif* lib = NULL;
len = list_length(BIF_ARG_1);
if (len < 0) {
BIF_ERROR(BIF_P, BADARG);
}
lib_name = (char *) erts_alloc(ERTS_ALC_T_TMP, len + 1);
if (intlist_to_buf(BIF_ARG_1, lib_name, len) != len) {
erts_free(ERTS_ALC_T_TMP, lib_name);
BIF_ERROR(BIF_P, BADARG);
}
lib_name[len] = '\0';
/* Block system (is this the right place to do it?) */
erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
erts_smp_thr_progress_block();
/* Find calling module */
ASSERT(BIF_P->current != NULL);
ASSERT(BIF_P->current[0] == am_erlang
&& BIF_P->current[1] == am_load_nif
&& BIF_P->current[2] == 2);
caller = find_function_from_pc(BIF_P->cp);
ASSERT(caller != NULL);
mod_atom = caller[0];
ASSERT(is_atom(mod_atom));
mod=erts_get_module(mod_atom);
ASSERT(mod != NULL);
if (!in_area(caller, mod->code, mod->code_length)) {
ASSERT(in_area(caller, mod->old_code, mod->old_code_length));
ret = load_nif_error(BIF_P, "old_code", "Calling load_nif from old "
"module '%T' not allowed", mod_atom);
}
else if ((err=erts_sys_ddll_open2(lib_name, &handle, &errdesc)) != ERL_DE_NO_ERROR) {
const char slogan[] = "Failed to load NIF library";
if (strstr(errdesc.str, lib_name) != NULL) {
ret = load_nif_error(BIF_P, "load_failed", "%s: '%s'", slogan, errdesc.str);
}
else {
ret = load_nif_error(BIF_P, "load_failed", "%s %s: '%s'", slogan, lib_name, errdesc.str);
}
}
else if (erts_sys_ddll_load_nif_init(handle, &init_func, &errdesc) != ERL_DE_NO_ERROR) {
ret = load_nif_error(BIF_P, bad_lib, "Failed to find library init"
" function: '%s'", errdesc.str);
}
else if ((add_taint(mod_atom),
(entry = erts_sys_ddll_call_nif_init(init_func)) == NULL)) {
ret = load_nif_error(BIF_P, bad_lib, "Library init-call unsuccessful");
}
else if (entry->major != ERL_NIF_MAJOR_VERSION
|| entry->minor > ERL_NIF_MINOR_VERSION) {
ret = load_nif_error(BIF_P, bad_lib, "Library version (%d.%d) not compatible (with %d.%d).",
entry->major, entry->minor, ERL_NIF_MAJOR_VERSION, ERL_NIF_MINOR_VERSION);
}
else if (entry->minor >= 1
&& sys_strcmp(entry->vm_variant, ERL_NIF_VM_VARIANT) != 0) {
ret = load_nif_error(BIF_P, bad_lib, "Library (%s) not compiled for "
"this vm variant (%s).",
entry->vm_variant, ERL_NIF_VM_VARIANT);
}
else if (!erts_is_atom_str((char*)entry->name, mod_atom)) {
ret = load_nif_error(BIF_P, bad_lib, "Library module name '%s' does not"
" match calling module '%T'", entry->name, mod_atom);
}
else {
/*erts_fprintf(stderr, "Found module %T\r\n", mod_atom);*/
for (i=0; i < entry->num_of_funcs && ret==am_ok; i++) {
BeamInstr** code_pp;
ErlNifFunc* f = &entry->funcs[i];
if (!erts_atom_get(f->name, sys_strlen(f->name), &f_atom)
|| (code_pp = get_func_pp(mod->code, f_atom, f->arity))==NULL) {
ret = load_nif_error(BIF_P,bad_lib,"Function not found %T:%s/%u",
mod_atom, f->name, f->arity);
}
else if (code_pp[1] - code_pp[0] < (5+3)) {
ret = load_nif_error(BIF_P,bad_lib,"No explicit call to load_nif"
" in module (%T:%s/%u to small)",
mod_atom, entry->funcs[i].name, entry->funcs[i].arity);
}
/*erts_fprintf(stderr, "Found NIF %T:%s/%u\r\n",
mod_atom, entry->funcs[i].name, entry->funcs[i].arity);*/
}
}
if (ret != am_ok) {
goto error;
}
/* Call load, reload or upgrade:
*/
lib = erts_alloc(ERTS_ALC_T_NIF, sizeof(struct erl_module_nif));
lib->handle = handle;
lib->entry = entry;
erts_refc_init(&lib->rt_cnt, 0);
erts_refc_init(&lib->rt_dtor_cnt, 0);
lib->mod = mod;
env.mod_nif = lib;
if (mod->nif != NULL) { /* Reload */
int k;
lib->priv_data = mod->nif->priv_data;
ASSERT(mod->nif->entry != NULL);
if (entry->reload == NULL) {
ret = load_nif_error(BIF_P,reload,"Reload not supported by this NIF library.");
goto error;
}
/* Check that no NIF is removed */
for (k=0; k < mod->nif->entry->num_of_funcs; k++) {
ErlNifFunc* old_func = &mod->nif->entry->funcs[k];
for (i=0; i < entry->num_of_funcs; i++) {
if (old_func->arity == entry->funcs[i].arity
&& sys_strcmp(old_func->name, entry->funcs[i].name) == 0) {
break;
}
}
if (i == entry->num_of_funcs) {
ret = load_nif_error(BIF_P,reload,"Reloaded library missing "
"function %T:%s/%u\r\n", mod_atom,
old_func->name, old_func->arity);
goto error;
}
}
erts_pre_nif(&env, BIF_P, lib);
veto = entry->reload(&env, &lib->priv_data, BIF_ARG_2);
erts_post_nif(&env);
if (veto) {
ret = load_nif_error(BIF_P, reload, "Library reload-call unsuccessful.");
}
else {
mod->nif->entry = NULL; /* to prevent 'unload' callback */
erts_unload_nif(mod->nif);
}
}
else {
lib->priv_data = NULL;
if (mod->old_nif != NULL) { /* Upgrade */
void* prev_old_data = mod->old_nif->priv_data;
if (entry->upgrade == NULL) {
ret = load_nif_error(BIF_P, upgrade, "Upgrade not supported by this NIF library.");
goto error;
}
erts_pre_nif(&env, BIF_P, lib);
veto = entry->upgrade(&env, &lib->priv_data, &mod->old_nif->priv_data, BIF_ARG_2);
erts_post_nif(&env);
if (veto) {
mod->old_nif->priv_data = prev_old_data;
ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful.");
}
/*else if (mod->old_nif->priv_data != prev_old_data) {
refresh_cached_nif_data(mod->old_code, mod->old_nif);
}*/
}
else if (entry->load != NULL) { /* Initial load */
erts_pre_nif(&env, BIF_P, lib);
veto = entry->load(&env, &lib->priv_data, BIF_ARG_2);
erts_post_nif(&env);
if (veto) {
ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful.");
}
}
}
if (ret == am_ok) {
/*
** Everything ok, patch the beam code with op_call_nif
*/
mod->nif = lib;
for (i=0; i < entry->num_of_funcs; i++)
{
BeamInstr* code_ptr;
erts_atom_get(entry->funcs[i].name, sys_strlen(entry->funcs[i].name), &f_atom);
code_ptr = *get_func_pp(mod->code, f_atom, entry->funcs[i].arity);
if (code_ptr[1] == 0) {
code_ptr[5+0] = (BeamInstr) BeamOp(op_call_nif);
}
else { /* Function traced, patch the original instruction word */
BpData** bps = (BpData**) code_ptr[1];
BpData* bp = (BpData*) bps[erts_bp_sched2ix()];
bp->orig_instr = (BeamInstr) BeamOp(op_call_nif);
}
code_ptr[5+1] = (BeamInstr) entry->funcs[i].fptr;
code_ptr[5+2] = (BeamInstr) lib;
}
}
else {
error:
ASSERT(ret != am_ok);
if (lib != NULL) {
erts_free(ERTS_ALC_T_NIF, lib);
}
if (handle != NULL) {
erts_sys_ddll_close(handle);
}
erts_sys_ddll_free_error(&errdesc);
}
erts_smp_thr_progress_unblock();
erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
erts_free(ERTS_ALC_T_TMP, lib_name);
BIF_RET(ret);
}
void erts_init_node_tables(int dd_sec)
{
erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER;
HashFunctions f;
if (dd_sec == ERTS_NODE_TAB_DELAY_GC_INFINITY)
node_tab_delete_delay = (ErtsMonotonicTime) -1;
else
node_tab_delete_delay = ((ErtsMonotonicTime) dd_sec)*1000;
orig_node_tab_delete_delay = node_tab_delete_delay;
rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ;
rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED;
f.hash = (H_FUN) dist_table_hash;
f.cmp = (HCMP_FUN) dist_table_cmp;
f.alloc = (HALLOC_FUN) dist_table_alloc;
f.free = (HFREE_FUN) dist_table_free;
erts_this_dist_entry = erts_alloc(ERTS_ALC_T_DIST_ENTRY, sizeof(DistEntry));
dist_entries = 1;
hash_init(ERTS_ALC_T_DIST_TABLE, &erts_dist_table, "dist_table", 11, f);
erts_hidden_dist_entries = NULL;
erts_visible_dist_entries = NULL;
erts_not_connected_dist_entries = NULL;
erts_no_of_hidden_dist_entries = 0;
erts_no_of_visible_dist_entries = 0;
erts_no_of_not_connected_dist_entries = 0;
erts_this_dist_entry->next = NULL;
erts_this_dist_entry->prev = NULL;
erts_refc_init(&erts_this_dist_entry->refc, 1); /* erts_this_node */
erts_smp_rwmtx_init_opt_x(&erts_this_dist_entry->rwmtx,
&rwmtx_opt,
"dist_entry",
make_small(ERST_INTERNAL_CHANNEL_NO));
erts_this_dist_entry->sysname = am_Noname;
erts_this_dist_entry->cid = NIL;
erts_this_dist_entry->connection_id = 0;
erts_this_dist_entry->status = 0;
erts_this_dist_entry->flags = 0;
erts_this_dist_entry->version = 0;
erts_smp_mtx_init_x(&erts_this_dist_entry->lnk_mtx,
"dist_entry_links",
make_small(ERST_INTERNAL_CHANNEL_NO));
erts_this_dist_entry->node_links = NULL;
erts_this_dist_entry->nlinks = NULL;
erts_this_dist_entry->monitors = NULL;
erts_smp_mtx_init_x(&erts_this_dist_entry->qlock,
"dist_entry_out_queue",
make_small(ERST_INTERNAL_CHANNEL_NO));
erts_this_dist_entry->qflgs = 0;
erts_this_dist_entry->qsize = 0;
erts_this_dist_entry->out_queue.first = NULL;
erts_this_dist_entry->out_queue.last = NULL;
erts_this_dist_entry->suspended = NULL;
erts_this_dist_entry->finalized_out_queue.first = NULL;
erts_this_dist_entry->finalized_out_queue.last = NULL;
erts_smp_atomic_init_nob(&erts_this_dist_entry->dist_cmd_scheduled, 0);
erts_port_task_handle_init(&erts_this_dist_entry->dist_cmd);
erts_this_dist_entry->send = NULL;
erts_this_dist_entry->cache = NULL;
(void) hash_put(&erts_dist_table, (void *) erts_this_dist_entry);
f.hash = (H_FUN) node_table_hash;
f.cmp = (HCMP_FUN) node_table_cmp;
f.alloc = (HALLOC_FUN) node_table_alloc;
f.free = (HFREE_FUN) node_table_free;
hash_init(ERTS_ALC_T_NODE_TABLE, &erts_node_table, "node_table", 11, f);
erts_this_node = erts_alloc(ERTS_ALC_T_NODE_ENTRY, sizeof(ErlNode));
node_entries = 1;
erts_refc_init(&erts_this_node->refc, 1); /* The system itself */
erts_this_node->sysname = am_Noname;
erts_this_node->creation = 0;
erts_this_node->dist_entry = erts_this_dist_entry;
erts_this_node_sysname = erts_this_node_sysname_BUFFER;
erts_snprintf(erts_this_node_sysname, sizeof(erts_this_node_sysname_BUFFER),
"%T", erts_this_node->sysname);
(void) hash_put(&erts_node_table, (void *) erts_this_node);
erts_smp_rwmtx_init_opt(&erts_node_table_rwmtx, &rwmtx_opt, "node_table");
erts_smp_rwmtx_init_opt(&erts_dist_table_rwmtx, &rwmtx_opt, "dist_table");
references_atoms_need_init = 1;
}