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Diffstat (limited to 'erts/emulator/beam/erl_nif.c')
-rw-r--r--erts/emulator/beam/erl_nif.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 848e116621..b586a4636a 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -564,7 +564,6 @@ void enif_clear_env(ErlNifEnv* env)
free_tmp_objs(env);
}
-#ifdef ERTS_SMP
#ifdef DEBUG
static int enif_send_delay = 0;
#define ERTS_FORCE_ENIF_SEND_DELAY() (enif_send_delay++ % 2 == 0)
@@ -648,16 +647,13 @@ error:
return reds;
}
-#endif
int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
ErlNifEnv* msg_env, ERL_NIF_TERM msg)
{
struct enif_msg_environment_t* menv = (struct enif_msg_environment_t*)msg_env;
ErtsProcLocks rp_locks = 0;
-#ifdef ERTS_SMP
ErtsProcLocks lc_locks = 0;
-#endif
Process* rp;
Process* c_p;
ErtsMessage *mp;
@@ -666,13 +662,6 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
execution_state(env, &c_p, &scheduler);
-#ifndef ERTS_SMP
- if (!scheduler) {
- erts_exit(ERTS_ABORT_EXIT,
- "enif_send: called from non-scheduler thread on non-SMP VM");
- return 0;
- }
-#endif
if (scheduler > 0) { /* Normal scheduler */
rp = erts_proc_lookup(receiver);
@@ -756,7 +745,6 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
full_cache_env(env);
}
}
-#ifdef ERTS_SMP
else {
/* This clause is taken when the nif is called in the context
of a traced process. We do not know which locks we have
@@ -814,12 +802,10 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
rp_locks |= ERTS_PROC_LOCK_MSGQ;
}
}
-#endif /* ERTS_SMP */
erts_queue_message(rp, rp_locks, mp, msg,
c_p ? c_p->common.id : am_undefined);
-#ifdef ERTS_SMP
done:
if (c_p == rp)
rp_locks &= ~ERTS_PROC_LOCK_MAIN;
@@ -827,7 +813,6 @@ done:
erts_smp_proc_unlock(rp, rp_locks & ~lc_locks);
if (c_p && (env->proc->static_flags & ERTS_STC_FLG_SHADOW_PROC))
erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_MAIN);
-#endif
if (scheduler <= 0)
erts_proc_dec_refc(rp);
@@ -857,15 +842,9 @@ enif_port_command(ErlNifEnv *env, const ErlNifPort* to_port,
if (scheduler > 0)
prt = erts_port_lookup(to_port->port_id, iflags);
else {
-#ifdef ERTS_SMP
if (ERTS_PROC_IS_EXITING(c_p))
return 0;
prt = erts_thr_port_lookup(to_port->port_id, iflags);
-#else
- erts_exit(ERTS_ABORT_EXIT,
- "enif_port_command: called from non-scheduler "
- "thread on non-SMP VM");
-#endif
}
if (!prt)
@@ -1847,18 +1826,11 @@ int enif_is_process_alive(ErlNifEnv* env, ErlNifPid *proc)
if (scheduler > 0)
return !!erts_proc_lookup(proc->pid);
else {
-#ifdef ERTS_SMP
Process* rp = erts_pid2proc_opt(NULL, 0, proc->pid, 0,
ERTS_P2P_FLG_INC_REFC);
if (rp)
erts_proc_dec_refc(rp);
return !!rp;
-#else
- erts_exit(ERTS_ABORT_EXIT, "enif_is_process_alive: "
- "called from non-scheduler thread "
- "in non-smp emulator");
- return 0;
-#endif
}
}
@@ -1874,17 +1846,10 @@ int enif_is_port_alive(ErlNifEnv *env, ErlNifPort *port)
if (scheduler > 0)
return !!erts_port_lookup(port->port_id, iflags);
else {
-#ifdef ERTS_SMP
Port *prt = erts_thr_port_lookup(port->port_id, iflags);
if (prt)
erts_port_dec_refc(prt);
return !!prt;
-#else
- erts_exit(ERTS_ABORT_EXIT, "enif_is_port_alive: "
- "called from non-scheduler thread "
- "in non-smp emulator");
- return 0;
-#endif
}
}
@@ -2231,12 +2196,7 @@ static void destroy_one_monitor(ErtsMonitor* mon, void* context)
rp = erts_proc_lookup(mon->u.pid);
}
else {
-#ifdef ERTS_SMP
rp = erts_proc_lookup_inc_refc(mon->u.pid);
-#else
- ASSERT(!"nif monitor destruction in non-scheduler thread");
- rp = NULL;
-#endif
}
if (!rp) {
@@ -2252,10 +2212,8 @@ static void destroy_one_monitor(ErtsMonitor* mon, void* context)
is_exiting = 0;
}
erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK);
-#ifdef ERTS_SMP
if (ctx->scheduler <= 0)
erts_proc_dec_refc(rp);
-#endif
}
if (is_exiting) {
ctx->resource->monitors->pending_failed_fire++;
@@ -2281,34 +2239,7 @@ static void destroy_all_monitors(ErtsMonitor* monitors, ErtsResource* resource)
}
-#ifdef ERTS_SMP
# define NIF_RESOURCE_DTOR &nif_resource_dtor
-#else
-# define NIF_RESOURCE_DTOR &nosmp_nif_resource_dtor_prologue
-
-/*
- * NO-SMP: Always run resource destructor on scheduler thread
- * as we may have to remove process monitors.
- */
-static int nif_resource_dtor(Binary*);
-
-static void nosmp_nif_resource_dtor_scheduled(void* vbin)
-{
- erts_bin_free((Binary*)vbin);
-}
-
-static int nosmp_nif_resource_dtor_prologue(Binary* bin)
-{
- if (is_scheduler()) {
- return nif_resource_dtor(bin);
- }
- else {
- erts_schedule_misc_aux_work(1, nosmp_nif_resource_dtor_scheduled, bin);
- return 0; /* do not free */
- }
-}
-
-#endif /* !ERTS_SMP */
static int nif_resource_dtor(Binary* bin)
{
@@ -3216,18 +3147,10 @@ int enif_monitor_process(ErlNifEnv* env, void* obj, const ErlNifPid* target_pid,
execution_state(env, NULL, &scheduler);
-#ifdef ERTS_SMP
if (scheduler > 0) /* Normal scheduler */
rp = erts_proc_lookup_raw(target_pid->pid);
else
rp = erts_proc_lookup_raw_inc_refc(target_pid->pid);
-#else
- if (scheduler <= 0) {
- erts_exit(ERTS_ABORT_EXIT, "enif_monitor_process: called from "
- "non-scheduler thread on non-SMP VM");
- }
- rp = erts_proc_lookup(target_pid->pid);
-#endif
if (!rp)
return 1;
@@ -3247,10 +3170,8 @@ int enif_monitor_process(ErlNifEnv* env, void* obj, const ErlNifPid* target_pid,
erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK);
erts_smp_mtx_unlock(&rsrc->monitors->lock);
-#ifdef ERTS_SMP
if (scheduler <= 0)
erts_proc_dec_refc(rp);
-#endif
if (monitor)
erts_ref_to_driver_monitor(ref,monitor);
@@ -3289,18 +3210,10 @@ int enif_demonitor_process(ErlNifEnv* env, void* obj, const ErlNifMonitor* monit
ASSERT(mon->type == MON_ORIGIN);
ASSERT(is_internal_pid(mon->u.pid));
-#ifdef ERTS_SMP
if (scheduler > 0) /* Normal scheduler */
rp = erts_proc_lookup(mon->u.pid);
else
rp = erts_proc_lookup_inc_refc(mon->u.pid);
-#else
- if (scheduler <= 0) {
- erts_exit(ERTS_ABORT_EXIT, "enif_demonitor_process: called from "
- "non-scheduler thread on non-SMP VM");
- }
- rp = erts_proc_lookup(mon->u.pid);
-#endif
if (!rp) {
is_exiting = 1;
@@ -3316,10 +3229,8 @@ int enif_demonitor_process(ErlNifEnv* env, void* obj, const ErlNifMonitor* monit
}
erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK);
-#ifdef ERTS_SMP
if (scheduler <= 0)
erts_proc_dec_refc(rp);
-#endif
}
if (is_exiting) {
rsrc->monitors->pending_failed_fire++;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 23:31:34 +0000