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-rw-r--r--erts/emulator/beam/bif.tab6
-rw-r--r--erts/emulator/beam/erl_init.c101
-rw-r--r--erts/emulator/nifs/common/prim_file_nif.c2
3 files changed, 79 insertions, 30 deletions
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index f141407c0e..60bb222aaf 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -724,3 +724,9 @@ bif erts_internal:counters_get/2
bif erts_internal:counters_add/3
bif erts_internal:counters_put/3
bif erts_internal:counters_info/1
+
+#
+# New in 21.2.3
+#
+
+bif erts_internal:spawn_system_process/3
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 2b19d2cfd3..c0a86ea738 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -376,6 +376,28 @@ erl_init(int ncpu,
}
static Eterm
+
+erl_spawn_system_process(Process* parent, Eterm mod, Eterm func, Eterm args,
+ ErlSpawnOpts *so)
+{
+ Eterm res;
+ int arity;
+
+ ERTS_LC_ASSERT(ERTS_PROC_LOCK_MAIN & erts_proc_lc_my_proc_locks(parent));
+ arity = erts_list_length(args);
+
+ if (erts_find_function(mod, func, arity, erts_active_code_ix()) == NULL) {
+ erts_exit(ERTS_ERROR_EXIT, "No function %T:%T/%i\n", mod, func, arity);
+ }
+
+ so->flags |= SPO_SYSTEM_PROC;
+
+ res = erl_create_process(parent, mod, func, args, so);
+
+ return res;
+}
+
+static Eterm
erl_first_process_otp(char* mod_name, int argc, char** argv)
{
int i;
@@ -386,17 +408,13 @@ erl_first_process_otp(char* mod_name, int argc, char** argv)
ErlSpawnOpts so;
Eterm boot_mod;
- if (erts_find_function(am_erl_init, am_start, 2,
- erts_active_code_ix()) == NULL) {
- erts_exit(ERTS_ERROR_EXIT, "No function erl_init:start/2\n");
- }
-
/*
* We need a dummy parent process to be able to call erl_create_process().
*/
erts_init_empty_process(&parent);
erts_proc_lock(&parent, ERTS_PROC_LOCK_MAIN);
+
hp = HAlloc(&parent, argc*2 + 4);
args = NIL;
for (i = argc-1; i >= 0; i--) {
@@ -404,49 +422,76 @@ erl_first_process_otp(char* mod_name, int argc, char** argv)
args = CONS(hp, new_binary(&parent, (byte*)argv[i], len), args);
hp += 2;
}
- boot_mod = erts_atom_put((byte *) mod_name, sys_strlen(mod_name), ERTS_ATOM_ENC_LATIN1, 1);
+ boot_mod = erts_atom_put((byte *) mod_name, sys_strlen(mod_name),
+ ERTS_ATOM_ENC_LATIN1, 1);
args = CONS(hp, args, NIL);
hp += 2;
args = CONS(hp, boot_mod, args);
- so.flags = erts_default_spo_flags|SPO_SYSTEM_PROC;
- res = erl_create_process(&parent, am_erl_init, am_start, args, &so);
+ so.flags = erts_default_spo_flags;
+ res = erl_spawn_system_process(&parent, am_erl_init, am_start, args, &so);
+ ASSERT(is_internal_pid(res));
+
erts_proc_unlock(&parent, ERTS_PROC_LOCK_MAIN);
erts_cleanup_empty_process(&parent);
+
return res;
}
static Eterm
erl_system_process_otp(Eterm parent_pid, char* modname, int off_heap_msgq, int prio)
-{
- Eterm start_mod;
- Process* parent;
+{
+ Process *parent;
ErlSpawnOpts so;
- Eterm res;
-
- start_mod = erts_atom_put((byte *) modname, sys_strlen(modname), ERTS_ATOM_ENC_LATIN1, 1);
- if (erts_find_function(start_mod, am_start, 0,
- erts_active_code_ix()) == NULL) {
- erts_exit(ERTS_ERROR_EXIT, "No function %s:start/0\n", modname);
- }
+ Eterm mod, res;
parent = erts_pid2proc(NULL, 0, parent_pid, ERTS_PROC_LOCK_MAIN);
+ mod = erts_atom_put((byte *) modname, sys_strlen(modname),
+ ERTS_ATOM_ENC_LATIN1, 1);
+
+ so.flags = erts_default_spo_flags|SPO_USE_ARGS;
- so.flags = erts_default_spo_flags|SPO_SYSTEM_PROC|SPO_USE_ARGS;
- if (off_heap_msgq)
+ if (off_heap_msgq) {
so.flags |= SPO_OFF_HEAP_MSGQ;
- so.min_heap_size = H_MIN_SIZE;
- so.min_vheap_size = BIN_VH_MIN_SIZE;
- so.max_heap_size = H_MAX_SIZE;
- so.max_heap_flags = H_MAX_FLAGS;
- so.priority = prio;
- so.max_gen_gcs = (Uint16) erts_atomic32_read_nob(&erts_max_gen_gcs);
- so.scheduler = 0;
- res = erl_create_process(parent, start_mod, am_start, NIL, &so);
+ }
+
+ so.min_heap_size = H_MIN_SIZE;
+ so.min_vheap_size = BIN_VH_MIN_SIZE;
+ so.max_heap_size = H_MAX_SIZE;
+ so.max_heap_flags = H_MAX_FLAGS;
+ so.priority = prio;
+ so.max_gen_gcs = (Uint16) erts_atomic32_read_nob(&erts_max_gen_gcs);
+ so.scheduler = 0;
+
+ res = erl_spawn_system_process(parent, mod, am_start, NIL, &so);
+ ASSERT(is_internal_pid(res));
+
erts_proc_unlock(parent, ERTS_PROC_LOCK_MAIN);
+
return res;
}
+Eterm erts_internal_spawn_system_process_3(BIF_ALIST_3) {
+ Eterm mod, func, args, res;
+ ErlSpawnOpts so;
+
+ mod = BIF_ARG_1;
+ func = BIF_ARG_2;
+ args = BIF_ARG_3;
+
+ ASSERT(is_atom(mod));
+ ASSERT(is_atom(func));
+ ASSERT(erts_list_length(args) >= 0);
+
+ so.flags = erts_default_spo_flags;
+ res = erl_spawn_system_process(BIF_P, mod, func, args, &so);
+
+ if (is_non_value(res)) {
+ BIF_ERROR(BIF_P, so.error_code);
+ }
+
+ BIF_RET(res);
+}
Eterm
erts_preloaded(Process* p)
diff --git a/erts/emulator/nifs/common/prim_file_nif.c b/erts/emulator/nifs/common/prim_file_nif.c
index eed2ff8e1b..3df04e42e2 100644
--- a/erts/emulator/nifs/common/prim_file_nif.c
+++ b/erts/emulator/nifs/common/prim_file_nif.c
@@ -38,7 +38,6 @@ static void unload(ErlNifEnv *env, void* priv_data);
static ErlNifResourceType *efile_resource_type;
-static ERL_NIF_TERM am_erts_prim_file;
static ERL_NIF_TERM am_close;
static ERL_NIF_TERM am_ok;
@@ -220,7 +219,6 @@ static int load(ErlNifEnv *env, void** priv_data, ERL_NIF_TERM prim_file_pid)
ASSERT(!"bad pid passed to prim_file_nif");
}
- am_erts_prim_file = enif_make_atom(env, "erts_prim_file");
am_close = enif_make_atom(env, "close");
am_ok = enif_make_atom(env, "ok");