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authorRickard Green <[email protected]>2016-08-29 18:50:40 +0200
committerRickard Green <[email protected]>2016-08-29 18:50:40 +0200
commit81993991c8438aa31ec0e88f4f67637d43fa70c0 (patch)
treeb0f7c723ef79c0156bac5f74fcf77dc53aeb656d /erts/emulator
parentca85801bf0fffa1bc8b19ca3acb7f69f2361627c (diff)
parentb815d568e2e43d96698dbb8de6b993d55c1b14a0 (diff)
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Merge branch 'maint'
* maint: Fix tracing of processes executing dirty Perform check_process_code while process is executing dirty Fix purge of code Reclaim literal area after purge has completed Separate literal area from code Conflicts: erts/emulator/beam/global.h
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/Makefile.in31
-rw-r--r--erts/emulator/beam/atom.names8
-rw-r--r--erts/emulator/beam/beam_bif_load.c895
-rw-r--r--erts/emulator/beam/beam_emu.c53
-rw-r--r--erts/emulator/beam/beam_load.c47
-rw-r--r--erts/emulator/beam/beam_load.h10
-rw-r--r--erts/emulator/beam/bif.tab8
-rw-r--r--erts/emulator/beam/erl_alloc.types3
-rw-r--r--erts/emulator/beam/erl_bif_info.c21
-rw-r--r--erts/emulator/beam/erl_fun.c53
-rw-r--r--erts/emulator/beam/erl_fun.h6
-rw-r--r--erts/emulator/beam/erl_init.c38
-rw-r--r--erts/emulator/beam/erl_lock_check.c4
-rw-r--r--erts/emulator/beam/erl_nif.c173
-rw-r--r--erts/emulator/beam/erl_process.c348
-rw-r--r--erts/emulator/beam/erl_process.h2
-rw-r--r--erts/emulator/beam/erl_thr_progress.c8
-rw-r--r--erts/emulator/beam/erl_trace.c14
-rw-r--r--erts/emulator/beam/global.h74
-rw-r--r--erts/emulator/test/code_SUITE.erl223
-rw-r--r--erts/emulator/test/code_SUITE_data/my_code_test.erl2
-rw-r--r--erts/emulator/test/code_SUITE_data/my_code_test2.erl32
-rw-r--r--erts/emulator/test/dirty_nif_SUITE.erl105
-rw-r--r--erts/emulator/test/dirty_nif_SUITE_data/dirty_nif_SUITE.c27
24 files changed, 1817 insertions, 368 deletions
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in
index 3430ea5f7b..43d1914b42 100644
--- a/erts/emulator/Makefile.in
+++ b/erts/emulator/Makefile.in
@@ -51,6 +51,7 @@ ARFLAGS=rc
OMIT_OMIT_FP=no
DIRTY_SCHEDULER_SUPPORT=@DIRTY_SCHEDULER_SUPPORT@
+NEW_PURGE_STRATEGY=@NEW_PURGE_STRATEGY@
ifeq ($(TYPE),debug)
PURIFY =
@@ -591,11 +592,8 @@ GENERATE += $(TTF_DIR)/driver_tab.c
#
# This list must be consistent with PRE_LOADED_MODULES in
# erts/preloaded/src/Makefile.
-ifeq ($(TARGET),win32)
-# On windows the preloaded objects are in a resource object.
-PRELOAD_OBJ = $(OBJDIR)/beams.$(RES_EXT)
-PRELOAD_SRC = $(TARGET)/beams.rc
-$(PRELOAD_SRC): $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
+
+PRELOAD_BEAM = $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
$(ERL_TOP)/erts/preloaded/ebin/erts_code_purger.beam \
$(ERL_TOP)/erts/preloaded/ebin/init.beam \
$(ERL_TOP)/erts/preloaded/ebin/prim_eval.beam \
@@ -606,23 +604,20 @@ $(PRELOAD_SRC): $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
$(ERL_TOP)/erts/preloaded/ebin/erl_prim_loader.beam \
$(ERL_TOP)/erts/preloaded/ebin/erlang.beam \
$(ERL_TOP)/erts/preloaded/ebin/erts_internal.beam \
- $(ERL_TOP)/erts/preloaded/ebin/erl_tracer.beam
+ $(ERL_TOP)/erts/preloaded/ebin/erl_tracer.beam \
+ $(ERL_TOP)/erts/preloaded/ebin/erts_literal_area_collector.beam \
+ $(ERL_TOP)/erts/preloaded/ebin/erts_dirty_process_code_checker.beam
+
+ifeq ($(TARGET),win32)
+# On windows the preloaded objects are in a resource object.
+PRELOAD_OBJ = $(OBJDIR)/beams.$(RES_EXT)
+PRELOAD_SRC = $(TARGET)/beams.rc
+$(PRELOAD_SRC): $(PRELOAD_BEAM)
$(gen_verbose)LANG=C $(PERL) utils/make_preload $(MAKE_PRELOAD_EXTRA) -rc $^ > $@
else
PRELOAD_OBJ = $(OBJDIR)/preload.o
PRELOAD_SRC = $(TARGET)/preload.c
-$(PRELOAD_SRC): $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
- $(ERL_TOP)/erts/preloaded/ebin/erts_code_purger.beam \
- $(ERL_TOP)/erts/preloaded/ebin/init.beam \
- $(ERL_TOP)/erts/preloaded/ebin/prim_eval.beam \
- $(ERL_TOP)/erts/preloaded/ebin/prim_inet.beam \
- $(ERL_TOP)/erts/preloaded/ebin/prim_file.beam \
- $(ERL_TOP)/erts/preloaded/ebin/zlib.beam \
- $(ERL_TOP)/erts/preloaded/ebin/prim_zip.beam \
- $(ERL_TOP)/erts/preloaded/ebin/erl_prim_loader.beam \
- $(ERL_TOP)/erts/preloaded/ebin/erlang.beam \
- $(ERL_TOP)/erts/preloaded/ebin/erts_internal.beam \
- $(ERL_TOP)/erts/preloaded/ebin/erl_tracer.beam
+$(PRELOAD_SRC): $(PRELOAD_BEAM)
$(gen_verbose)LANG=C $(PERL) utils/make_preload -old $^ > $@
endif
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index badd69856e..89c42f4700 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -65,6 +65,7 @@ atom undefined_lambda
atom DOWN='DOWN'
atom UP='UP'
atom EXIT='EXIT'
+atom abort
atom aborted
atom abs_path
atom absoluteURI
@@ -165,6 +166,7 @@ atom commandv
atom compact
atom compat_rel
atom compile
+atom complete
atom compressed
atom config_h
atom convert_time_unit
@@ -176,6 +178,7 @@ atom const
atom context_switches
atom control
atom copy
+atom copy_literals
atom counters
atom cpu
atom cpu_timestamp
@@ -195,6 +198,7 @@ atom dgroup_leader
atom dictionary
atom dirty_cpu
atom dirty_cpu_schedulers_online
+atom dirty_execution
atom dirty_io
atom disable_trace
atom disabled
@@ -235,6 +239,7 @@ atom erlang
atom ERROR='ERROR'
atom error_handler
atom error_logger
+atom erts_code_purger
atom erts_internal
atom ets
atom ETS_TRANSFER='ETS-TRANSFER'
@@ -407,6 +412,7 @@ atom named_table
atom namelist
atom native
atom native_addresses
+atom need_gc
atom Neq='=/='
atom Neqeq='/='
atom net_kernel
@@ -485,6 +491,7 @@ atom pause
atom pending
atom pending_driver
atom pending_process
+atom pending_purge_lambda
atom pending_reload
atom permanent
atom pid
@@ -494,6 +501,7 @@ atom port_count
atom port_limit
atom port_op
atom positive
+atom prepare
atom print
atom priority
atom private
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index 37e74400bc..5c28fb1a98 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -41,13 +41,81 @@
# include "hipe_stack.h"
#endif
+static struct {
+ Eterm module;
+ erts_smp_mtx_t mtx;
+ Export *pending_purge_lambda;
+ Eterm *sprocs;
+ Eterm def_sprocs[10];
+ Uint sp_size;
+ Uint sp_ix;
+ ErlFunEntry **funs;
+ ErlFunEntry *def_funs[10];
+ Uint fe_size;
+ Uint fe_ix;
+} purge_state;
+
+Process *erts_code_purger = NULL;
+
+ErtsLiteralArea *erts_copy_literal_area = NULL;
+#ifdef ERTS_DIRTY_SCHEDULERS
+Process *erts_dirty_process_code_checker;
+#endif
+#ifdef ERTS_NEW_PURGE_STRATEGY
+Process *erts_literal_area_collector = NULL;
+
+typedef struct ErtsLiteralAreaRef_ ErtsLiteralAreaRef;
+struct ErtsLiteralAreaRef_ {
+ ErtsLiteralAreaRef *next;
+ ErtsLiteralArea *literal_area;
+};
+
+struct {
+ erts_smp_mtx_t mtx;
+ ErtsLiteralAreaRef *first;
+ ErtsLiteralAreaRef *last;
+} release_literal_areas;
+#endif
+
static void set_default_trace_pattern(Eterm module);
static Eterm check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls);
static void delete_code(Module* modp);
-static void decrement_refc(BeamCodeHeader*);
static int any_heap_ref_ptrs(Eterm* start, Eterm* end, char* mod_start, Uint mod_size);
static int any_heap_refs(Eterm* start, Eterm* end, char* mod_start, Uint mod_size);
+static void
+init_purge_state(void)
+{
+ purge_state.module = THE_NON_VALUE;
+
+ erts_smp_mtx_init(&purge_state.mtx, "purge_state");
+
+ purge_state.pending_purge_lambda =
+ erts_export_put(am_erts_code_purger, am_pending_purge_lambda, 3);
+
+ purge_state.sprocs = &purge_state.def_sprocs[0];
+ purge_state.sp_size = sizeof(purge_state.def_sprocs);
+ purge_state.sp_size /= sizeof(purge_state.def_sprocs[0]);
+ purge_state.sp_ix = 0;
+
+ purge_state.funs = &purge_state.def_funs[0];
+ purge_state.fe_size = sizeof(purge_state.def_funs);
+ purge_state.fe_size /= sizeof(purge_state.def_funs[0]);
+ purge_state.fe_ix = 0;
+}
+
+void
+erts_beam_bif_load_init(void)
+{
+#ifdef ERTS_NEW_PURGE_STRATEGY
+ erts_smp_mtx_init(&release_literal_areas.mtx, "release_literal_areas");
+ release_literal_areas.first = NULL;
+ release_literal_areas.last = NULL;
+#endif
+
+ init_purge_state();
+}
+
BIF_RETTYPE code_is_module_native_1(BIF_ALIST_1)
{
Module* modp;
@@ -520,6 +588,43 @@ badarg:
BIF_ERROR(BIF_P, BADARG);
}
+BIF_RETTYPE erts_internal_check_dirty_process_code_2(BIF_ALIST_2)
+{
+#if !defined(ERTS_DIRTY_SCHEDULERS)
+ BIF_ERROR(BIF_P, EXC_NOTSUP);
+#else
+ Process *rp;
+ int reds = 0;
+ Eterm res;
+
+ if (BIF_P != erts_dirty_process_code_checker)
+ BIF_ERROR(BIF_P, EXC_NOTSUP);
+
+ if (is_not_internal_pid(BIF_ARG_1))
+ BIF_ERROR(BIF_P, BADARG);
+
+ if (is_not_atom(BIF_ARG_2))
+ BIF_ERROR(BIF_P, BADARG);
+
+ rp = erts_pid2proc_not_running(BIF_P, ERTS_PROC_LOCK_MAIN,
+ BIF_ARG_1, ERTS_PROC_LOCK_MAIN);
+ if (rp == ERTS_PROC_LOCK_BUSY)
+ ERTS_BIF_YIELD2(bif_export[BIF_erts_internal_check_dirty_process_code_2],
+ BIF_P, BIF_ARG_1, BIF_ARG_2);
+ if (!rp)
+ BIF_RET(am_false);
+
+ res = erts_check_process_code(rp, BIF_ARG_2, 0, &reds, BIF_P->fcalls);
+
+ if (BIF_P != rp)
+ erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_MAIN);
+
+ ASSERT(is_value(res));
+
+ BIF_RET2(res, reds);
+#endif
+}
+
BIF_RETTYPE delete_module_1(BIF_ALIST_1)
{
ErtsCodeIndex code_ix;
@@ -752,6 +857,8 @@ set_default_trace_pattern(Eterm module)
}
}
+#ifndef ERTS_NEW_PURGE_STRATEGY
+
static ERTS_INLINE int
check_mod_funs(Process *p, ErlOffHeap *off_heap, char *area, size_t area_size)
{
@@ -766,12 +873,244 @@ check_mod_funs(Process *p, ErlOffHeap *off_heap, char *area, size_t area_size)
return 0;
}
+#endif
+
static Uint hfrag_literal_size(Eterm* start, Eterm* end,
char* lit_start, Uint lit_size);
static void hfrag_literal_copy(Eterm **hpp, ErlOffHeap *ohp,
Eterm *start, Eterm *end,
char *lit_start, Uint lit_size);
+#ifdef ERTS_NEW_PURGE_STRATEGY
+
+Eterm
+erts_proc_copy_literal_area(Process *c_p, int *redsp, int fcalls, int gc_allowed)
+{
+ ErtsLiteralArea *la;
+ ErtsMessage *msgp;
+ struct erl_off_heap_header* oh;
+ char *literals;
+ Uint lit_bsize;
+ ErlHeapFragment *hfrag;
+
+ la = erts_copy_literal_area;
+ if (!la)
+ return am_ok;
+
+ oh = la->off_heap;
+ literals = (char *) &la->start[0];
+ lit_bsize = (char *) la->end - literals;
+
+ /*
+ * If a literal is in the message queue we make an explicit copy of
+ * it and attach it to the heap fragment. Each message needs to be
+ * self contained, we cannot save the literal in the old_heap or
+ * any other heap than the message it self.
+ */
+
+ erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MSGQ);
+ ERTS_SMP_MSGQ_MV_INQ2PRIVQ(c_p);
+ erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_MSGQ);
+
+ for (msgp = c_p->msg.first; msgp; msgp = msgp->next) {
+ ErlHeapFragment *hf;
+ Uint lit_sz = 0;
+
+ *redsp += 1;
+
+ if (msgp->data.attached == ERTS_MSG_COMBINED_HFRAG)
+ hfrag = &msgp->hfrag;
+ else if (is_value(ERL_MESSAGE_TERM(msgp)) && msgp->data.heap_frag)
+ hfrag = msgp->data.heap_frag;
+ else
+ continue; /* Content on heap or in external term format... */
+
+ for (hf = hfrag; hf; hf = hf->next) {
+ lit_sz += hfrag_literal_size(&hf->mem[0], &hf->mem[hf->used_size],
+ literals, lit_bsize);
+ *redsp += 1;
+ }
+
+ *redsp += lit_sz / 16; /* Better value needed... */
+ if (lit_sz > 0) {
+ ErlHeapFragment *bp = new_message_buffer(lit_sz);
+ Eterm *hp = bp->mem;
+
+ for (hf = hfrag; hf; hf = hf->next) {
+ hfrag_literal_copy(&hp, &bp->off_heap,
+ &hf->mem[0], &hf->mem[hf->used_size],
+ literals, lit_bsize);
+ hfrag = hf;
+ }
+
+ /* link new hfrag last */
+ ASSERT(hfrag->next == NULL);
+ hfrag->next = bp;
+ bp->next = NULL;
+ }
+ }
+
+ if (gc_allowed) {
+ /*
+ * Current implementation first tests without
+ * allowing GC, and then restarts the operation
+ * allowing GC if it is needed. It is therfore
+ * very likely that we will need the GC (although
+ * this is not completely certain). We go for
+ * the GC directly instead of scanning everything
+ * one more time...
+ */
+ goto literal_gc;
+ }
+
+ *redsp += 2;
+ if (any_heap_ref_ptrs(&c_p->fvalue, &c_p->fvalue+1, literals, lit_bsize)) {
+ c_p->freason = EXC_NULL;
+ c_p->fvalue = NIL;
+ c_p->ftrace = NIL;
+ }
+
+ if (any_heap_ref_ptrs(c_p->stop, c_p->hend, literals, lit_bsize))
+ goto literal_gc;
+ *redsp += 1;
+ if (any_heap_refs(c_p->heap, c_p->htop, literals, lit_bsize))
+ goto literal_gc;
+ *redsp += 1;
+ if (any_heap_refs(c_p->old_heap, c_p->old_htop, literals, lit_bsize))
+ goto literal_gc;
+
+ /* Check dictionary */
+ *redsp += 1;
+ if (c_p->dictionary) {
+ Eterm* start = ERTS_PD_START(c_p->dictionary);
+ Eterm* end = start + ERTS_PD_SIZE(c_p->dictionary);
+
+ if (any_heap_ref_ptrs(start, end, literals, lit_bsize))
+ goto literal_gc;
+ }
+
+ /* Check heap fragments */
+ for (hfrag = c_p->mbuf; hfrag; hfrag = hfrag->next) {
+ Eterm *hp, *hp_end;
+
+ *redsp += 1;
+
+ hp = &hfrag->mem[0];
+ hp_end = &hfrag->mem[hfrag->used_size];
+ if (any_heap_refs(hp, hp_end, literals, lit_bsize))
+ goto literal_gc;
+ }
+
+ /*
+ * Message buffer fragments (matched messages)
+ * - off heap lists should already have been moved into
+ * process off heap structure.
+ * - Check for literals
+ */
+ for (msgp = c_p->msg_frag; msgp; msgp = msgp->next) {
+ hfrag = erts_message_to_heap_frag(msgp);
+ for (; hfrag; hfrag = hfrag->next) {
+ Eterm *hp, *hp_end;
+
+ *redsp += 1;
+
+ hp = &hfrag->mem[0];
+ hp_end = &hfrag->mem[hfrag->used_size];
+
+ if (any_heap_refs(hp, hp_end, literals, lit_bsize))
+ goto literal_gc;
+ }
+ }
+
+ return am_ok;
+
+literal_gc:
+
+ if (!gc_allowed)
+ return am_need_gc;
+
+ if (c_p->flags & F_DISABLE_GC)
+ return THE_NON_VALUE;
+
+ FLAGS(c_p) |= F_NEED_FULLSWEEP;
+
+ *redsp += erts_garbage_collect_nobump(c_p, 0, c_p->arg_reg, c_p->arity, fcalls);
+
+ erts_garbage_collect_literals(c_p, (Eterm *) literals, lit_bsize, oh);
+
+ *redsp += lit_bsize / 64; /* Need, better value... */
+
+ return am_ok;
+}
+
+static Eterm
+check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls)
+{
+ BeamInstr* start;
+ char* mod_start;
+ Uint mod_size;
+ Eterm* sp;
+
+ *redsp += 1;
+
+ /*
+ * Pick up limits for the module.
+ */
+ start = (BeamInstr*) modp->old.code_hdr;
+ mod_start = (char *) start;
+ mod_size = modp->old.code_length;
+
+ /*
+ * Check if current instruction or continuation pointer points into module.
+ */
+ if (ErtsInArea(rp->i, mod_start, mod_size)
+ || ErtsInArea(rp->cp, mod_start, mod_size)) {
+ return am_true;
+ }
+
+ *redsp += (STACK_START(rp) - rp->stop) / 32;
+
+ /*
+ * Check all continuation pointers stored on the stack.
+ */
+ for (sp = rp->stop; sp < STACK_START(rp); sp++) {
+ if (is_CP(*sp) && ErtsInArea(cp_val(*sp), mod_start, mod_size)) {
+ return am_true;
+ }
+ }
+
+ /*
+ * Check all continuation pointers stored in stackdump
+ * and clear exception stackdump if there is a pointer
+ * to the module.
+ */
+ if (rp->ftrace != NIL) {
+ struct StackTrace *s;
+ ASSERT(is_list(rp->ftrace));
+ s = (struct StackTrace *) big_val(CDR(list_val(rp->ftrace)));
+ if ((s->pc && ErtsInArea(s->pc, mod_start, mod_size)) ||
+ (s->current && ErtsInArea(s->current, mod_start, mod_size))) {
+ rp->freason = EXC_NULL;
+ rp->fvalue = NIL;
+ rp->ftrace = NIL;
+ } else {
+ int i;
+ for (i = 0; i < s->depth; i++) {
+ if (ErtsInArea(s->trace[i], mod_start, mod_size)) {
+ rp->freason = EXC_NULL;
+ rp->fvalue = NIL;
+ rp->ftrace = NIL;
+ break;
+ }
+ }
+ }
+ }
+
+ return am_false;
+}
+
+#else /* !ERTS_NEW_PURGE_STRATEGY, i.e, old style purge... */
+
static Eterm
check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls)
{
@@ -865,8 +1204,14 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls
ERTS_SMP_MSGQ_MV_INQ2PRIVQ(rp);
erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_MSGQ);
- literals = (char*) modp->old.code_hdr->literals_start;
- lit_bsize = (char*) modp->old.code_hdr->literals_end - literals;
+ if (modp->old.code_hdr->literal_area) {
+ literals = (char*) modp->old.code_hdr->literal_area->start;
+ lit_bsize = (char*) modp->old.code_hdr->literal_area->end - literals;
+ }
+ else {
+ literals = NULL;
+ lit_bsize = 0;
+ }
for (msgp = rp->msg.first; msgp; msgp = msgp->next) {
if (msgp->data.attached == ERTS_MSG_COMBINED_HFRAG)
@@ -907,12 +1252,6 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls
/* Check heap, stack etc... */
if (check_mod_funs(rp, &rp->off_heap, mod_start, mod_size))
goto try_gc;
- if (!(flags & ERTS_CPC_COPY_LITERALS)) {
- /* Process ok. May contain old literals but we will be called
- * again before module is purged.
- */
- return am_false;
- }
if (any_heap_ref_ptrs(&rp->fvalue, &rp->fvalue+1, literals, lit_bsize)) {
rp->freason = EXC_NULL;
rp->fvalue = NIL;
@@ -1002,7 +1341,7 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls
}
if (need_gc & ERTS_LITERAL_GC__) {
struct erl_off_heap_header* oh;
- oh = modp->old.code_hdr->literals_off_heap;
+ oh = modp->old.code_hdr->literal_area->off_heap;
*redsp += lit_bsize / 64; /* Need, better value... */
erts_garbage_collect_literals(rp, (Eterm*)literals, lit_bsize, oh);
done_gc |= ERTS_LITERAL_GC__;
@@ -1015,6 +1354,8 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls
}
+#endif /* !ERTS_NEW_PURGE_STRATEGY */
+
static int
any_heap_ref_ptrs(Eterm* start, Eterm* end, char* mod_start, Uint mod_size)
{
@@ -1143,200 +1484,438 @@ hfrag_literal_copy(Eterm **hpp, ErlOffHeap *ohp,
}
}
-#undef in_area
+#ifdef ERTS_NEW_PURGE_STRATEGY
+
+ErtsThrPrgrLaterOp later_literal_area_switch;
#ifdef ERTS_SMP
-static void copy_literals_commit(void*);
+static void
+complete_literal_area_switch(void *unused)
+{
+ Process *p = erts_literal_area_collector;
+ erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
+ erts_resume(p, ERTS_PROC_LOCK_STATUS);
+ erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
+}
#endif
-copy_literals_t erts_clrange = {NULL, 0, THE_NON_VALUE};
+#endif /* ERTS_NEW_PURGE_STRATEGY */
-/* copy literals
- *
- * copy_literals.ptr = LitPtr
- * copy_literals.sz = LitSz
- * ------ THR PROG COMMIT -----
- *
- * - check process code
- * - check process code
- * ...
- * copy_literals.ptr = NULL
- * copy_literals.sz = 0
- * ------ THR PROG COMMIT -----
- * ...
- */
+BIF_RETTYPE erts_internal_release_literal_area_switch_0(BIF_ALIST_0)
+{
+#ifndef ERTS_NEW_PURGE_STRATEGY
+ BIF_ERROR(BIF_P, EXC_NOTSUP);
+#else
+ ErtsLiteralAreaRef *la_ref;
+ if (BIF_P != erts_literal_area_collector)
+ BIF_ERROR(BIF_P, EXC_NOTSUP);
-BIF_RETTYPE erts_internal_copy_literals_2(BIF_ALIST_2)
-{
- ErtsCodeIndex code_ix;
- Eterm res = am_true;
+ erts_smp_mtx_lock(&release_literal_areas.mtx);
- if (is_not_atom(BIF_ARG_1) || (am_true != BIF_ARG_2 && am_false != BIF_ARG_2)) {
- BIF_ERROR(BIF_P, BADARG);
+ la_ref = release_literal_areas.first;
+ if (la_ref) {
+ release_literal_areas.first = la_ref->next;
+ if (!release_literal_areas.first)
+ release_literal_areas.last = NULL;
}
- if (!erts_try_seize_code_write_permission(BIF_P)) {
- ERTS_BIF_YIELD2(bif_export[BIF_erts_internal_copy_literals_2],
- BIF_P, BIF_ARG_1, BIF_ARG_2);
- }
+ erts_smp_mtx_unlock(&release_literal_areas.mtx);
- code_ix = erts_active_code_ix();
+ if (erts_copy_literal_area)
+ erts_release_literal_area(erts_copy_literal_area);
- if (BIF_ARG_2 == am_true) {
- Module* modp = erts_get_module(BIF_ARG_1, code_ix);
- if (!modp || !modp->old.code_hdr) {
- res = am_false;
- goto done;
- }
- if (erts_clrange.ptr != NULL
- && !(BIF_P->static_flags & ERTS_STC_FLG_SYSTEM_PROC)) {
- res = am_aborted;
- goto done;
- }
- erts_clrange.ptr = modp->old.code_hdr->literals_start;
- erts_clrange.sz = modp->old.code_hdr->literals_end - erts_clrange.ptr;
- erts_clrange.pid = BIF_P->common.id;
- } else if (BIF_ARG_2 == am_false) {
- if (erts_clrange.pid != BIF_P->common.id) {
- res = am_false;
- goto done;
- }
- erts_clrange.ptr = NULL;
- erts_clrange.sz = 0;
- erts_clrange.pid = THE_NON_VALUE;
+ if (!la_ref) {
+ erts_copy_literal_area = NULL;
+ BIF_RET(am_false);
}
-#ifdef ERTS_SMP
- ASSERT(committer_state.stager == NULL);
- committer_state.stager = BIF_P;
- erts_schedule_thr_prgr_later_op(copy_literals_commit, NULL, &committer_state.lop);
- erts_proc_inc_refc(BIF_P);
+ erts_copy_literal_area = la_ref->literal_area;
+
+ erts_free(ERTS_ALC_T_LITERAL_REF, la_ref);
+
+#ifndef ERTS_SMP
+ BIF_RET(am_true);
+#else
+ erts_schedule_thr_prgr_later_op(complete_literal_area_switch,
+ NULL,
+ &later_literal_area_switch);
erts_suspend(BIF_P, ERTS_PROC_LOCK_MAIN, NULL);
ERTS_BIF_YIELD_RETURN(BIF_P, am_true);
#endif
-done:
- erts_release_code_write_permission();
- BIF_RET(res);
+
+#endif /* ERTS_NEW_PURGE_STRATEGY */
+}
+
+void
+erts_purge_state_add_fun(ErlFunEntry *fe)
+{
+ ASSERT(is_value(purge_state.module));
+ if (purge_state.fe_ix >= purge_state.fe_size) {
+ ErlFunEntry **funs;
+ purge_state.fe_size += 100;
+ funs = erts_alloc(ERTS_ALC_T_PURGE_DATA,
+ sizeof(ErlFunEntry *)*purge_state.fe_size);
+ sys_memcpy((void *) funs,
+ (void *) purge_state.funs,
+ purge_state.fe_ix*sizeof(ErlFunEntry *));
+ if (purge_state.funs != &purge_state.def_funs[0])
+ erts_free(ERTS_ALC_T_PURGE_DATA, purge_state.funs);
+ purge_state.funs = funs;
+ }
+ purge_state.funs[purge_state.fe_ix++] = fe;
+}
+
+Export *
+erts_suspend_process_on_pending_purge_lambda(Process *c_p)
+{
+ erts_smp_mtx_lock(&purge_state.mtx);
+ if (is_value(purge_state.module)) {
+ /*
+ * The process c_p is about to call a fun in the code
+ * that we are trying to purge. Suspend it and call
+ * erts_code_purger:pending_purge_lambda/3. The process
+ * will be resumed when the purge completes or aborts,
+ * and will then try to do the call again.
+ */
+ if (purge_state.sp_ix >= purge_state.sp_size) {
+ Eterm *sprocs;
+ purge_state.sp_size += 100;
+ sprocs = erts_alloc(ERTS_ALC_T_PURGE_DATA,
+ (sizeof(ErlFunEntry *)
+ * purge_state.sp_size));
+ sys_memcpy((void *) sprocs,
+ (void *) purge_state.sprocs,
+ purge_state.sp_ix*sizeof(ErlFunEntry *));
+ if (purge_state.sprocs != &purge_state.def_sprocs[0])
+ erts_free(ERTS_ALC_T_PURGE_DATA, purge_state.sprocs);
+ purge_state.sprocs = sprocs;
+ }
+ purge_state.sprocs[purge_state.sp_ix++] = c_p->common.id;
+ erts_suspend(c_p, ERTS_PROC_LOCK_MAIN, NULL);
+ ERTS_VBUMP_ALL_REDS(c_p);
+ }
+ erts_smp_mtx_unlock(&purge_state.mtx);
+ return purge_state.pending_purge_lambda;
+}
+
+static void
+finalize_purge_operation(Process *c_p, int succeded)
+{
+ Uint ix;
+
+ if (c_p)
+ erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_MAIN);
+
+ erts_smp_mtx_lock(&purge_state.mtx);
+
+ ASSERT(purge_state.module != THE_NON_VALUE);
+
+ purge_state.module = THE_NON_VALUE;
+
+ /*
+ * Resume all processes that have tried to call
+ * funs in this code.
+ */
+ for (ix = 0; ix < purge_state.sp_ix; ix++) {
+ Process *rp = erts_pid2proc(NULL, 0,
+ purge_state.sprocs[ix],
+ ERTS_PROC_LOCK_STATUS);
+ if (rp) {
+ erts_resume(rp, ERTS_PROC_LOCK_STATUS);
+ erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_STATUS);
+ }
+ }
+
+ erts_smp_mtx_unlock(&purge_state.mtx);
+
+ if (c_p)
+ erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MAIN);
+
+ if (purge_state.sprocs != &purge_state.def_sprocs[0]) {
+ erts_free(ERTS_ALC_T_PURGE_DATA, purge_state.sprocs);
+ purge_state.sprocs = &purge_state.def_sprocs[0];
+ purge_state.sp_size = sizeof(purge_state.def_sprocs);
+ purge_state.sp_size /= sizeof(purge_state.def_sprocs[0]);
+ }
+ purge_state.sp_ix = 0;
+
+ if (purge_state.funs != &purge_state.def_funs[0]) {
+ erts_free(ERTS_ALC_T_PURGE_DATA, purge_state.funs);
+ purge_state.funs = &purge_state.def_funs[0];
+ purge_state.fe_size = sizeof(purge_state.def_funs);
+ purge_state.fe_size /= sizeof(purge_state.def_funs[0]);
+ }
+ purge_state.fe_ix = 0;
}
#ifdef ERTS_SMP
-static void copy_literals_commit(void* null) {
- Process* p = committer_state.stager;
-#ifdef DEBUG
- committer_state.stager = NULL;
-#endif
- erts_release_code_write_permission();
+
+static ErtsThrPrgrLaterOp purger_lop_data;
+
+static void
+resume_purger(void *unused)
+{
+ Process *p = erts_code_purger;
erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
- if (!ERTS_PROC_IS_EXITING(p)) {
- erts_resume(p, ERTS_PROC_LOCK_STATUS);
- }
+ erts_resume(p, ERTS_PROC_LOCK_STATUS);
erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
- erts_proc_dec_refc(p);
}
-#endif /* ERTS_SMP */
+static void
+finalize_purge_abort(void *unused)
+{
+ erts_fun_purge_abort_finalize(purge_state.funs, purge_state.fe_ix);
+
+ finalize_purge_operation(NULL, 0);
-/* Do the actualy module purging and return:
- * true for success
- * false if no such old module
- * BADARG if not an atom
- */
-BIF_RETTYPE erts_internal_purge_module_1(BIF_ALIST_1)
+ resume_purger(NULL);
+}
+
+#endif /* ERTS_SMP */
+
+BIF_RETTYPE erts_internal_purge_module_2(BIF_ALIST_2)
{
- ErtsCodeIndex code_ix;
- BeamInstr* code;
- BeamInstr* end;
- Module* modp;
- int is_blocking = 0;
- Eterm ret;
+ if (BIF_P != erts_code_purger)
+ BIF_ERROR(BIF_P, EXC_NOTSUP);
- if (is_not_atom(BIF_ARG_1)) {
+ if (is_not_atom(BIF_ARG_1))
BIF_ERROR(BIF_P, BADARG);
- }
- if (!erts_try_seize_code_write_permission(BIF_P)) {
- ERTS_BIF_YIELD1(bif_export[BIF_erts_internal_purge_module_1],
- BIF_P, BIF_ARG_1);
- }
+ switch (BIF_ARG_2) {
- code_ix = erts_active_code_ix();
+ case am_prepare: {
+ /*
+ * Prepare for purge by marking all fun
+ * entries referring to the code to purge
+ * with "pending purge" markers.
+ */
+ ErtsCodeIndex code_ix;
+ Module* modp;
+ Eterm res;
- /*
- * Correct module?
- */
+ if (is_value(purge_state.module))
+ BIF_ERROR(BIF_P, BADARG);
- if ((modp = erts_get_module(BIF_ARG_1, code_ix)) == NULL) {
- ERTS_BIF_PREP_RET(ret, am_false);
- }
- else {
- erts_rwlock_old_code(code_ix);
+ code_ix = erts_active_code_ix();
/*
- * Any code to purge?
+ * Correct module?
*/
- if (!modp->old.code_hdr) {
- ERTS_BIF_PREP_RET(ret, am_false);
- }
+ modp = erts_get_module(BIF_ARG_1, code_ix);
+ if (!modp)
+ res = am_false;
else {
/*
- * Unload any NIF library
+ * Any code to purge?
*/
- if (modp->old.nif != NULL) {
- /* ToDo: Do unload nif without blocking */
- erts_rwunlock_old_code(code_ix);
- erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erts_smp_thr_progress_block();
- is_blocking = 1;
- erts_rwlock_old_code(code_ix);
- erts_unload_nif(modp->old.nif);
- modp->old.nif = NULL;
+ erts_rlock_old_code(code_ix);
+ if (!modp->old.code_hdr)
+ res = am_false;
+ else {
+ BeamInstr* code;
+ BeamInstr* end;
+ erts_smp_mtx_lock(&purge_state.mtx);
+ purge_state.module = BIF_ARG_1;
+ erts_smp_mtx_unlock(&purge_state.mtx);
+ res = am_true;
+ code = (BeamInstr*) modp->old.code_hdr;
+ end = (BeamInstr *)((char *)code + modp->old.code_length);
+ erts_fun_purge_prepare(code, end);
+#if !defined(ERTS_NEW_PURGE_STRATEGY)
+ ASSERT(!erts_copy_literal_area);
+ erts_copy_literal_area = modp->old.code_hdr->literal_area;
+#endif
}
-
+ erts_runlock_old_code(code_ix);
+ }
+
+#ifndef ERTS_SMP
+ BIF_RET(res);
+#else
+ if (res != am_true)
+ BIF_RET(res);
+ else {
/*
- * Remove the old code.
+ * We'll be resumed when all schedulers are guaranteed
+ * to see the "pending purge" markers that we've made on
+ * all fun entries of the code that we are about to purge.
+ * Processes trying to call these funs will be suspended
+ * before calling the funs. That is we are guaranteed not
+ * to get any more direct references into the code while
+ * checking for such references...
*/
- ASSERT(erts_total_code_size >= modp->old.code_length);
- erts_total_code_size -= modp->old.code_length;
- code = (BeamInstr*) modp->old.code_hdr;
- end = (BeamInstr *)((char *)code + modp->old.code_length);
- erts_cleanup_funs_on_purge(code, end);
- beam_catches_delmod(modp->old.catches, code, modp->old.code_length,
- code_ix);
- decrement_refc(modp->old.code_hdr);
- if (modp->old.code_hdr->literals_start) {
- erts_free(ERTS_ALC_T_LITERAL, modp->old.code_hdr->literals_start);
- }
- erts_free(ERTS_ALC_T_CODE, (void *) code);
- modp->old.code_hdr = NULL;
- modp->old.code_length = 0;
- modp->old.catches = BEAM_CATCHES_NIL;
- erts_remove_from_ranges(code);
- ERTS_BIF_PREP_RET(ret, am_true);
+ erts_schedule_thr_prgr_later_op(resume_purger,
+ NULL,
+ &purger_lop_data);
+ erts_suspend(BIF_P, ERTS_PROC_LOCK_MAIN, NULL);
+ ERTS_BIF_YIELD_RETURN(BIF_P, am_true);
}
- erts_rwunlock_old_code(code_ix);
+#endif
}
- if (is_blocking) {
- erts_smp_thr_progress_unblock();
- erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
+
+ case am_abort: {
+ /*
+ * Soft purge that detected direct references into the code
+ * we set out to purge. Abort the purge.
+ */
+
+ if (purge_state.module != BIF_ARG_1)
+ BIF_ERROR(BIF_P, BADARG);
+
+ erts_fun_purge_abort_prepare(purge_state.funs, purge_state.fe_ix);
+
+#if !defined(ERTS_NEW_PURGE_STRATEGY)
+ ASSERT(erts_copy_literal_area);
+ erts_copy_literal_area = NULL;
+#endif
+#ifndef ERTS_SMP
+ erts_fun_purge_abort_finalize(purge_state.funs, purge_state.fe_ix);
+ finalize_purge_operation(BIF_P, 0);
+ BIF_RET(am_false);
+#else
+ /*
+ * We need to restore the code addresses of the funs in
+ * two stages in order to ensure that we do not get any
+ * stale suspended processes due to the purge abort.
+ * Restore address pointer (erts_fun_purge_abort_prepare);
+ * wait for thread progress; clear pending purge address
+ * pointer (erts_fun_purge_abort_finalize), and then
+ * resume processes that got suspended
+ * (finalize_purge_operation).
+ */
+ erts_schedule_thr_prgr_later_op(finalize_purge_abort,
+ NULL,
+ &purger_lop_data);
+ erts_suspend(BIF_P, ERTS_PROC_LOCK_MAIN, NULL);
+ ERTS_BIF_YIELD_RETURN(BIF_P, am_false);
+#endif
}
- erts_release_code_write_permission();
- return ret;
-}
-static void
-decrement_refc(BeamCodeHeader* code_hdr)
-{
- struct erl_off_heap_header* oh = code_hdr->literals_off_heap;
-
- while (oh) {
- Binary* bptr;
- ASSERT(thing_subtag(oh->thing_word) == REFC_BINARY_SUBTAG);
- bptr = ((ProcBin*)oh)->val;
- if (erts_refc_dectest(&bptr->refc, 0) == 0) {
- erts_bin_free(bptr);
+ case am_complete: {
+ ErtsCodeIndex code_ix;
+ BeamInstr* code;
+ Module* modp;
+ int is_blocking = 0;
+ Eterm ret;
+ ErtsLiteralArea *literals = NULL;
+
+
+ /*
+ * We have no direct references into the code.
+ * Complete to purge.
+ */
+
+ if (purge_state.module != BIF_ARG_1)
+ BIF_ERROR(BIF_P, BADARG);
+
+ if (!erts_try_seize_code_write_permission(BIF_P)) {
+ ERTS_BIF_YIELD2(bif_export[BIF_erts_internal_purge_module_2],
+ BIF_P, BIF_ARG_1, BIF_ARG_2);
+ }
+
+ code_ix = erts_active_code_ix();
+
+ /*
+ * Correct module?
+ */
+
+ if ((modp = erts_get_module(BIF_ARG_1, code_ix)) == NULL) {
+ ERTS_BIF_PREP_RET(ret, am_false);
}
- oh = oh->next;
+ else {
+
+ erts_rwlock_old_code(code_ix);
+
+ /*
+ * Any code to purge?
+ */
+ if (!modp->old.code_hdr) {
+ ERTS_BIF_PREP_RET(ret, am_false);
+ }
+ else {
+ /*
+ * Unload any NIF library
+ */
+ if (modp->old.nif != NULL) {
+ /* ToDo: Do unload nif without blocking */
+ erts_rwunlock_old_code(code_ix);
+ erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
+ erts_smp_thr_progress_block();
+ is_blocking = 1;
+ erts_rwlock_old_code(code_ix);
+ erts_unload_nif(modp->old.nif);
+ modp->old.nif = NULL;
+ }
+
+ /*
+ * Remove the old code.
+ */
+ ASSERT(erts_total_code_size >= modp->old.code_length);
+ erts_total_code_size -= modp->old.code_length;
+ code = (BeamInstr*) modp->old.code_hdr;
+ erts_fun_purge_complete(purge_state.funs, purge_state.fe_ix);
+ beam_catches_delmod(modp->old.catches, code, modp->old.code_length,
+ code_ix);
+ literals = modp->old.code_hdr->literal_area;
+ modp->old.code_hdr->literal_area = NULL;
+ erts_free(ERTS_ALC_T_CODE, (void *) code);
+ modp->old.code_hdr = NULL;
+ modp->old.code_length = 0;
+ modp->old.catches = BEAM_CATCHES_NIL;
+ erts_remove_from_ranges(code);
+ ERTS_BIF_PREP_RET(ret, am_true);
+ }
+ erts_rwunlock_old_code(code_ix);
+ }
+ if (is_blocking) {
+ erts_smp_thr_progress_unblock();
+ erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
+ }
+
+ erts_release_code_write_permission();
+
+ finalize_purge_operation(BIF_P, ret == am_true);
+
+#if !defined(ERTS_NEW_PURGE_STRATEGY)
+
+ ASSERT(erts_copy_literal_area == literals);
+ erts_copy_literal_area = NULL;
+ erts_release_literal_area(literals);
+
+#else /* ERTS_NEW_PURGE_STRATEGY */
+
+ if (literals) {
+ ErtsLiteralAreaRef *ref;
+ ref = erts_alloc(ERTS_ALC_T_LITERAL_REF,
+ sizeof(ErtsLiteralAreaRef));
+ ref->literal_area = literals;
+ ref->next = NULL;
+ erts_smp_mtx_lock(&release_literal_areas.mtx);
+ if (release_literal_areas.last) {
+ release_literal_areas.last->next = ref;
+ release_literal_areas.last = ref;
+ }
+ else {
+ release_literal_areas.first = ref;
+ release_literal_areas.last = ref;
+ }
+ erts_smp_mtx_unlock(&release_literal_areas.mtx);
+ erts_queue_message(erts_literal_area_collector,
+ 0,
+ erts_alloc_message(0, NULL),
+ am_copy_literals,
+ BIF_P->common.id);
+ }
+
+#endif /* ERTS_NEW_PURGE_STRATEGY */
+
+ return ret;
+ }
+
+ default:
+ BIF_ERROR(BIF_P, BADARG);
+
}
}
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 6100c6c923..3b12f78ced 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -5382,7 +5382,7 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp)
ASSERT(!c_p->scheduler_data);
erts_pre_dirty_nif(esdp, &env, c_p,
- (struct erl_module_nif*)I[2], NULL);
+ (struct erl_module_nif*)I[2]);
#ifdef DEBUG
result =
@@ -5391,7 +5391,7 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp)
#endif
(*fp)(&env, arity, reg);
- erts_post_nif(&env);
+ erts_post_dirty_nif(&env);
ASSERT(!is_value(result));
ASSERT(c_p->freason == TRAP);
@@ -6509,34 +6509,49 @@ call_fun(Process* p, /* Current process. */
* representation (the module has never been loaded),
* or the module defining the fun has been unloaded.
*/
+
module = fe->module;
- if ((modp = erts_get_module(module, code_ix)) != NULL
- && modp->curr.code_hdr != NULL) {
+
+ ERTS_SMP_READ_MEMORY_BARRIER;
+ if (fe->pend_purge_address) {
/*
- * There is a module loaded, but obviously the fun is not
- * defined in it. We must not call the error_handler
- * (or we will get into an infinite loop).
+ * The system is currently trying to purge the
+ * module containing this fun. Suspend the process
+ * and let it try again when the purge operation is
+ * done (may succeed or not).
*/
- goto badfun;
+ ep = erts_suspend_process_on_pending_purge_lambda(p);
+ ASSERT(ep);
}
+ else {
+ if ((modp = erts_get_module(module, code_ix)) != NULL
+ && modp->curr.code_hdr != NULL) {
+ /*
+ * There is a module loaded, but obviously the fun is not
+ * defined in it. We must not call the error_handler
+ * (or we will get into an infinite loop).
+ */
+ goto badfun;
+ }
- /*
- * No current code for this module. Call the error_handler module
- * to attempt loading the module.
- */
+ /*
+ * No current code for this module. Call the error_handler module
+ * to attempt loading the module.
+ */
- ep = erts_find_function(erts_proc_get_error_handler(p),
- am_undefined_lambda, 3, code_ix);
- if (ep == NULL) { /* No error handler */
- p->current = NULL;
- p->freason = EXC_UNDEF;
- return NULL;
+ ep = erts_find_function(erts_proc_get_error_handler(p),
+ am_undefined_lambda, 3, code_ix);
+ if (ep == NULL) { /* No error handler */
+ p->current = NULL;
+ p->freason = EXC_UNDEF;
+ return NULL;
+ }
}
reg[0] = module;
reg[1] = fun;
reg[2] = args;
reg[3] = NIL;
- return ep->addressv[erts_active_code_ix()];
+ return ep->addressv[code_ix];
}
}
} else if (is_export_header(hdr)) {
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 517004d3a0..f5aa9e1c0c 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -663,7 +663,7 @@ erts_prepare_loading(Binary* magic, Process *c_p, Eterm group_leader,
stp->hdr->compile_ptr = NULL;
stp->hdr->compile_size = 0;
stp->hdr->compile_size_on_heap = 0;
- stp->hdr->literals_start = NULL;
+ stp->hdr->literal_area = NULL;
stp->hdr->md5_ptr = NULL;
/*
@@ -1005,8 +1005,9 @@ loader_state_dtor(Binary* magic)
stp->bin = 0;
}
if (stp->hdr != 0) {
- if (stp->hdr->literals_start) {
- erts_free(ERTS_ALC_T_LITERAL, stp->hdr->literals_start);
+ if (stp->hdr->literal_area) {
+ erts_release_literal_area(stp->hdr->literal_area);
+ stp->hdr->literal_area = NULL;
}
erts_free(ERTS_ALC_T_CODE, stp->hdr);
stp->hdr = 0;
@@ -4517,13 +4518,16 @@ freeze_code(LoaderState* stp)
Eterm* ptr;
LiteralPatch* lp;
ErlOffHeap code_off_heap;
+ ErtsLiteralArea *literal_area;
+ Uint lit_asize;
ERTS_INIT_OFF_HEAP(&code_off_heap);
- ptr = (Eterm*)erts_alloc(ERTS_ALC_T_LITERAL,
- stp->total_literal_size*sizeof(Eterm));
- code_hdr->literals_start = ptr;
- code_hdr->literals_end = ptr + stp->total_literal_size;
+ lit_asize = ERTS_LITERAL_AREA_ALLOC_SIZE(stp->total_literal_size);
+ literal_area = erts_alloc(ERTS_ALC_T_LITERAL, lit_asize);
+ ptr = &literal_area->start[0];
+ literal_area->end = ptr + stp->total_literal_size;
+
for (i = 0; i < stp->num_literals; i++) {
if (is_not_immed(stp->literals[i].term)) {
erts_move_multi_frags(&ptr, &code_off_heap,
@@ -4533,7 +4537,7 @@ freeze_code(LoaderState* stp)
ptr_val(stp->literals[i].term)));
}
}
- code_hdr->literals_off_heap = code_off_heap.first;
+ literal_area->off_heap = code_off_heap.first;
lp = stp->literal_patches;
while (lp != 0) {
BeamInstr* op_ptr;
@@ -4544,6 +4548,7 @@ freeze_code(LoaderState* stp)
op_ptr[0] = lit->term;
lp = lp->next;
}
+ code_hdr->literal_area = literal_area;
}
CHKBLK(ERTS_ALC_T_CODE,code);
@@ -5599,6 +5604,28 @@ has_native(BeamCodeHeader *code_hdr)
return result;
}
+void
+erts_release_literal_area(ErtsLiteralArea* literal_area)
+{
+ struct erl_off_heap_header* oh;
+
+ if (!literal_area)
+ return;
+
+ oh = literal_area->off_heap;
+
+ while (oh) {
+ Binary* bptr;
+ ASSERT(thing_subtag(oh->thing_word) == REFC_BINARY_SUBTAG);
+ bptr = ((ProcBin*)oh)->val;
+ if (erts_refc_dectest(&bptr->refc, 0) == 0) {
+ erts_bin_free(bptr);
+ }
+ oh = oh->next;
+ }
+ erts_free(ERTS_ALC_T_LITERAL, literal_area);
+}
+
int
erts_is_module_native(BeamCodeHeader* code_hdr)
{
@@ -6330,9 +6357,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
code_hdr->compile_ptr = NULL;
code_hdr->compile_size = 0;
code_hdr->compile_size_on_heap = 0;
- code_hdr->literals_start = NULL;
- code_hdr->literals_end = NULL;
- code_hdr->literals_off_heap = 0;
+ code_hdr->literal_area = NULL;
code_hdr->on_load_function_ptr = NULL;
code_hdr->line_table = NULL;
code_hdr->md5_ptr = NULL;
diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h
index 92a9abddbf..6be4031822 100644
--- a/erts/emulator/beam/beam_load.h
+++ b/erts/emulator/beam/beam_load.h
@@ -50,6 +50,7 @@ extern BeamInstr* em_call_error_handler;
extern BeamInstr* em_apply_bif;
extern BeamInstr* em_call_nif;
+struct ErtsLiteralArea_;
/*
* The following variables keep a sorted list of address ranges for
@@ -89,9 +90,7 @@ typedef struct beam_code_header {
/*
* Literal area (constant pool).
*/
- Eterm* literals_start;
- Eterm* literals_end;
- struct erl_off_heap_header* literals_off_heap;
+ struct ErtsLiteralArea_ *literal_area;
/*
* Pointer to the on_load function (or NULL if none).
@@ -120,7 +119,12 @@ typedef struct beam_code_header {
}BeamCodeHeader;
+void erts_release_literal_area(struct ErtsLiteralArea_* literal_area);
int erts_is_module_native(BeamCodeHeader* code);
+void erts_beam_bif_load_init(void);
+struct erl_fun_entry;
+void erts_purge_state_add_fun(struct erl_fun_entry *fe);
+Export *erts_suspend_process_on_pending_purge_lambda(Process *c_p);
/*
* Layout of the line table.
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 978bcd4bba..ea66f165a0 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -163,6 +163,7 @@ bif erts_internal:port_close/1
bif erts_internal:port_connect/2
bif erts_internal:request_system_task/3
+bif erts_internal:request_system_task/4
bif erts_internal:check_process_code/2
bif erts_internal:map_to_tuple_keys/1
@@ -176,6 +177,8 @@ bif erts_internal:is_system_process/1
bif erts_internal:system_check/1
+bif erts_internal:release_literal_area_switch/0
+
# inet_db support
bif erlang:port_set_data/2
bif erlang:port_get_data/1
@@ -644,8 +647,9 @@ bif erts_debug:map_info/1
# New in 19.0
#
-bif erts_internal:copy_literals/2
-bif erts_internal:purge_module/1
+bif erts_internal:is_process_executing_dirty/1
+bif erts_internal:check_dirty_process_code/2
+bif erts_internal:purge_module/2
bif binary:split/2
bif binary:split/3
bif erts_debug:size_shared/1
diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types
index 227fedfb69..971052b947 100644
--- a/erts/emulator/beam/erl_alloc.types
+++ b/erts/emulator/beam/erl_alloc.types
@@ -279,6 +279,7 @@ type TRACER_NIF LONG_LIVED SYSTEM tracer_nif
type TRACE_MSG_QUEUE SHORT_LIVED SYSTEM trace_message_queue
type SCHED_ASYNC_JOB SHORT_LIVED SYSTEM async_calls
type DIRTY_START STANDARD PROCESSES dirty_start
+type DIRTY_SL SHORT_LIVED SYSTEM dirty_short_lived
+if threads_no_smp
# Need thread safe allocs, but std_alloc and fix_alloc are not;
@@ -367,6 +368,8 @@ type MONITOR_LH STANDARD PROCESSES monitor_lh
type NLINK_LH STANDARD PROCESSES nlink_lh
type CODE LONG_LIVED CODE code
type LITERAL LITERAL CODE literal
+type LITERAL_REF SHORT_LIVED CODE literal_area_ref
+type PURGE_DATA SHORT_LIVED CODE purge_data
type DB_HEIR_DATA STANDARD ETS db_heir_data
type DB_MS_PSDO_PROC LONG_LIVED ETS db_match_pseudo_proc
type SCHDLR_DATA LONG_LIVED SYSTEM scheduler_data
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index cb7278696f..107c0c01d9 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -2883,6 +2883,27 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
BIF_RET(AM_tag);
#endif
}
+ else if (ERTS_IS_ATOM_STR("check_process_code",BIF_ARG_1)) {
+ Eterm terms[3];
+ Sint length = 1;
+ Uint sz = 0;
+ Eterm *hp, res;
+ DECL_AM(direct_references);
+
+ terms[0] = AM_direct_references;
+#if !defined(ERTS_NEW_PURGE_STRATEGY)
+ {
+ DECL_AM(indirect_references);
+ terms[1] = AM_indirect_references;
+ terms[2] = am_copy_literals;
+ length = 3;
+ }
+#endif
+ erts_bld_list(NULL, &sz, length, terms);
+ hp = HAlloc(BIF_P, sz);
+ res = erts_bld_list(&hp, NULL, length, terms);
+ BIF_RET(res);
+ }
BIF_ERROR(BIF_P, BADARG);
}
diff --git a/erts/emulator/beam/erl_fun.c b/erts/emulator/beam/erl_fun.c
index 6ce1376c81..c639ba623f 100644
--- a/erts/emulator/beam/erl_fun.c
+++ b/erts/emulator/beam/erl_fun.c
@@ -199,14 +199,13 @@ erts_erase_fun_entry(ErlFunEntry* fe)
}
void
-erts_cleanup_funs_on_purge(BeamInstr* start, BeamInstr* end)
+erts_fun_purge_prepare(BeamInstr* start, BeamInstr* end)
{
int limit;
HashBucket** bucket;
- ErlFunEntry* to_delete = NULL;
int i;
- erts_fun_write_lock();
+ erts_fun_read_lock();
limit = erts_fun_table.size;
bucket = erts_fun_table.bucket;
for (i = 0; i < limit; i++) {
@@ -217,22 +216,51 @@ erts_cleanup_funs_on_purge(BeamInstr* start, BeamInstr* end)
BeamInstr* addr = fe->address;
if (start <= addr && addr < end) {
+ fe->pend_purge_address = addr;
+ ERTS_SMP_WRITE_MEMORY_BARRIER;
fe->address = unloaded_fun;
- if (erts_refc_dectest(&fe->refc, 0) == 0) {
- fe->address = (void *) to_delete;
- to_delete = fe;
- }
+ erts_purge_state_add_fun(fe);
}
b = b->next;
}
}
+ erts_fun_read_unlock();
+}
+
+void
+erts_fun_purge_abort_prepare(ErlFunEntry **funs, Uint no)
+{
+ Uint ix;
- while (to_delete != NULL) {
- ErlFunEntry* next = (ErlFunEntry *) to_delete->address;
- erts_erase_fun_entry_unlocked(to_delete);
- to_delete = next;
+ for (ix = 0; ix < no; ix++) {
+ ErlFunEntry *fe = funs[ix];
+ if (fe->address == unloaded_fun)
+ fe->address = fe->pend_purge_address;
+ fe->pend_purge_address = NULL;
}
- erts_fun_write_unlock();
+}
+
+void
+erts_fun_purge_abort_finalize(ErlFunEntry **funs, Uint no)
+{
+ Uint ix;
+
+ for (ix = 0; ix < no; ix++)
+ funs[ix]->pend_purge_address = NULL;
+}
+
+void
+erts_fun_purge_complete(ErlFunEntry **funs, Uint no)
+{
+ Uint ix;
+
+ for (ix = 0; ix < no; ix++) {
+ ErlFunEntry *fe = funs[ix];
+ fe->pend_purge_address = NULL;
+ if (erts_refc_dectest(&fe->refc, 0) == 0)
+ erts_erase_fun_entry(fe);
+ }
+ ERTS_SMP_WRITE_MEMORY_BARRIER;
}
void
@@ -294,6 +322,7 @@ fun_alloc(ErlFunEntry* template)
obj->module = template->module;
erts_refc_init(&obj->refc, -1);
obj->address = unloaded_fun;
+ obj->pend_purge_address = NULL;
#ifdef HIPE
obj->native_address = NULL;
#endif
diff --git a/erts/emulator/beam/erl_fun.h b/erts/emulator/beam/erl_fun.h
index 8c4deea7a0..73c3e19c1c 100644
--- a/erts/emulator/beam/erl_fun.h
+++ b/erts/emulator/beam/erl_fun.h
@@ -44,6 +44,7 @@ typedef struct erl_fun_entry {
Eterm module; /* Tagged atom for module. */
erts_refc_t refc; /* Reference count: One for code + one for each
fun object in each process. */
+ BeamInstr *pend_purge_address; /* address stored during a pending purge */
} ErlFunEntry;
/*
@@ -81,7 +82,10 @@ ErlFunEntry* erts_put_fun_entry2(Eterm mod, int old_uniq, int old_index,
void erts_erase_fun_entry(ErlFunEntry* fe);
void erts_cleanup_funs(ErlFunThing* funp);
-void erts_cleanup_funs_on_purge(BeamInstr* start, BeamInstr* end);
+void erts_fun_purge_prepare(BeamInstr* start, BeamInstr* end);
+void erts_fun_purge_abort_prepare(ErlFunEntry **funs, Uint no);
+void erts_fun_purge_abort_finalize(ErlFunEntry **funs, Uint no);
+void erts_fun_purge_complete(ErlFunEntry **funs, Uint no);
void erts_dump_fun_entries(int, void *);
#endif
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 07cfacf14a..781bf024dd 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -382,6 +382,7 @@ erl_init(int ncpu,
erts_init_unicode(); /* after RE to get access to PCRE unicode */
erts_init_external();
erts_init_map();
+ erts_beam_bif_load_init();
erts_delay_trap = erts_export_put(am_erlang, am_delay_trap, 2);
erts_late_init_process();
#if HAVE_ERTS_MSEG
@@ -2248,7 +2249,42 @@ erl_start(int argc, char **argv)
otp_ring0_pid = erl_first_process_otp("otp_ring0", NULL, 0,
boot_argc, boot_argv);
- (void) erl_system_process_otp(otp_ring0_pid, "erts_code_purger");
+ {
+ /*
+ * The erts_code_purger and the erts_literal_area_collector
+ * system processes are *always* alive. If they terminate
+ * they bring the whole VM down.
+ */
+ Eterm pid;
+
+ pid = erl_system_process_otp(otp_ring0_pid, "erts_code_purger");
+ erts_code_purger
+ = (Process *) erts_ptab_pix2intptr_ddrb(&erts_proc,
+ internal_pid_index(pid));
+ ASSERT(erts_code_purger && erts_code_purger->common.id == pid);
+ erts_proc_inc_refc(erts_code_purger);
+
+#ifdef ERTS_NEW_PURGE_STRATEGY
+ pid = erl_system_process_otp(otp_ring0_pid, "erts_literal_area_collector");
+ erts_literal_area_collector
+ = (Process *) erts_ptab_pix2intptr_ddrb(&erts_proc,
+ internal_pid_index(pid));
+ ASSERT(erts_literal_area_collector
+ && erts_literal_area_collector->common.id == pid);
+ erts_proc_inc_refc(erts_literal_area_collector);
+#endif
+
+#ifdef ERTS_DIRTY_SCHEDULERS
+ pid = erl_system_process_otp(otp_ring0_pid, "erts_dirty_process_code_checker");
+ erts_dirty_process_code_checker
+ = (Process *) erts_ptab_pix2intptr_ddrb(&erts_proc,
+ internal_pid_index(pid));
+ ASSERT(erts_dirty_process_code_checker
+ && erts_dirty_process_code_checker->common.id == pid);
+ erts_proc_inc_refc(erts_dirty_process_code_checker);
+#endif
+
+ }
#ifdef ERTS_SMP
erts_start_schedulers();
diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c
index 39c0617143..06266363b5 100644
--- a/erts/emulator/beam/erl_lock_check.c
+++ b/erts/emulator/beam/erl_lock_check.c
@@ -96,6 +96,7 @@ static erts_lc_lock_order_t erts_lock_order[] = {
{ "dist_entry", "address" },
{ "dist_entry_links", "address" },
{ "code_write_permission", NULL },
+ { "purge_state", NULL },
{ "proc_status", "pid" },
{ "proc_trace", "pid" },
{ "ports_snapshot", NULL },
@@ -112,6 +113,9 @@ static erts_lc_lock_order_t erts_lock_order[] = {
{ "export_tab", NULL },
{ "fun_tab", NULL },
{ "environ", NULL },
+#ifdef ERTS_NEW_PURGE_STRATEGY
+ { "release_literal_areas", NULL },
+#endif
#endif
{ "efile_drv", "address" },
{ "drv_ev_state_grow", NULL, },
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 6bd27d11f4..f572577bde 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -120,8 +120,10 @@ execution_state(ErlNifEnv *env, Process **c_pp, int *schedp)
else {
Process *c_p = env->proc;
- if (!(c_p->static_flags & ERTS_STC_FLG_SHADOW_PROC))
- ASSERT(is_scheduler() > 0);
+ if (!(c_p->static_flags & ERTS_STC_FLG_SHADOW_PROC)) {
+ ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p)
+ & ERTS_PROC_LOCK_MAIN);
+ }
else {
c_p = env->proc->next;
ASSERT(is_scheduler() < 0);
@@ -208,11 +210,16 @@ void erts_pre_nif(ErlNifEnv* env, Process* p, struct erl_module_nif* mod_nif,
#endif
}
+static void full_cache_env(ErlNifEnv *env);
+static void cache_env(ErlNifEnv* env);
+static void full_flush_env(ErlNifEnv *env);
+static void flush_env(ErlNifEnv* env);
+
+#ifdef ERTS_DIRTY_SCHEDULERS
void erts_pre_dirty_nif(ErtsSchedulerData *esdp,
- ErlNifEnv* env, Process* p, struct erl_module_nif* mod_nif,
- Process* tracee)
+ ErlNifEnv* env, Process* p,
+ struct erl_module_nif* mod_nif)
{
-#ifdef ERTS_DIRTY_SCHEDULERS
Process *sproc;
#ifdef DEBUG
erts_aint32_t state = erts_smp_atomic32_read_nob(&p->state);
@@ -223,7 +230,7 @@ void erts_pre_dirty_nif(ErtsSchedulerData *esdp,
ASSERT(esdp);
#endif
- erts_pre_nif(env, p, mod_nif, tracee);
+ erts_pre_nif(env, p, mod_nif, NULL);
sproc = esdp->dirty_shadow_process;
ASSERT(sproc);
@@ -235,22 +242,10 @@ void erts_pre_dirty_nif(ErtsSchedulerData *esdp,
sproc->next = p;
sproc->common.id = p->common.id;
- sproc->htop = p->htop;
- sproc->stop = p->stop;
- sproc->hend = p->hend;
- sproc->heap = p->heap;
- sproc->abandoned_heap = p->abandoned_heap;
- sproc->heap_sz = p->heap_sz;
- sproc->high_water = p->high_water;
- sproc->old_hend = p->old_hend;
- sproc->old_htop = p->old_htop;
- sproc->old_heap = p->old_heap;
- sproc->mbuf = NULL;
- sproc->mbuf_sz = 0;
- ERTS_INIT_OFF_HEAP(&sproc->off_heap);
env->proc = sproc;
-#endif
+ full_cache_env(env);
}
+#endif
/* Temporary object header, auto-deallocated when NIF returns
* or when independent environment is cleared.
@@ -274,32 +269,37 @@ static ERTS_INLINE void free_tmp_objs(ErlNifEnv* env)
void erts_post_nif(ErlNifEnv* env)
{
erts_unblock_fpe(env->fpe_was_unmasked);
+ full_flush_env(env);
+ free_tmp_objs(env);
+ env->exiting = ERTS_PROC_IS_EXITING(env->proc);
+}
#ifdef ERTS_DIRTY_SCHEDULERS
- if (!(env->proc->static_flags & ERTS_STC_FLG_SHADOW_PROC))
+void erts_post_dirty_nif(ErlNifEnv* env)
+{
+ Process *c_p;
+ ASSERT(env->proc->static_flags & ERTS_STC_FLG_SHADOW_PROC);
+ ASSERT(env->proc->next);
+ erts_unblock_fpe(env->fpe_was_unmasked);
+ full_flush_env(env);
+ free_tmp_objs(env);
+ c_p = env->proc->next;
+ env->exiting = ERTS_PROC_IS_EXITING(c_p);
+ ERTS_VBUMP_ALL_REDS(c_p);
+}
#endif
- {
- ASSERT(is_scheduler() > 0);
- if (env->heap_frag == NULL) {
- ASSERT(env->hp_end == HEAP_LIMIT(env->proc));
- ASSERT(env->hp >= HEAP_TOP(env->proc));
- ASSERT(env->hp <= HEAP_LIMIT(env->proc));
- HEAP_TOP(env->proc) = env->hp;
- }
- else {
- ASSERT(env->hp_end != HEAP_LIMIT(env->proc));
- ASSERT(env->hp_end - env->hp <= env->heap_frag->alloc_size);
- env->heap_frag->used_size = env->hp - env->heap_frag->mem;
- ASSERT(env->heap_frag->used_size <= env->heap_frag->alloc_size);
- }
- env->exiting = ERTS_PROC_IS_EXITING(env->proc);
- }
+
+static void full_flush_env(ErlNifEnv* env)
+{
#ifdef ERTS_DIRTY_SCHEDULERS
- else { /* Dirty nif call using shadow process struct */
+ if (env->proc->static_flags & ERTS_STC_FLG_SHADOW_PROC) {
+ /* Dirty nif call using shadow process struct */
Process *c_p = env->proc->next;
ASSERT(is_scheduler() < 0);
ASSERT(env->proc->common.id == c_p->common.id);
+ ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p)
+ & ERTS_PROC_LOCK_MAIN);
if (!env->heap_frag) {
ASSERT(env->hp_end == HEAP_LIMIT(c_p));
@@ -339,11 +339,48 @@ void erts_post_nif(ErlNifEnv* env)
}
c_p->off_heap.overhead += env->proc->off_heap.overhead;
- env->exiting = ERTS_PROC_IS_EXITING(c_p);
- BUMP_ALL_REDS(c_p);
+ return;
}
#endif
- free_tmp_objs(env);
+
+ flush_env(env);
+}
+
+static void full_cache_env(ErlNifEnv* env)
+{
+#ifdef ERTS_DIRTY_SCHEDULERS
+ if (env->proc->static_flags & ERTS_STC_FLG_SHADOW_PROC) {
+ /* Dirty nif call using shadow process struct */
+ Process *sproc = env->proc;
+ Process *c_p = sproc->next;
+ ASSERT(c_p);
+ ASSERT(is_scheduler() < 0);
+ ASSERT(env->proc->common.id == c_p->common.id);
+ ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p)
+ & ERTS_PROC_LOCK_MAIN);
+
+ sproc->htop = c_p->htop;
+ sproc->stop = c_p->stop;
+ sproc->hend = c_p->hend;
+ sproc->heap = c_p->heap;
+ sproc->abandoned_heap = c_p->abandoned_heap;
+ sproc->heap_sz = c_p->heap_sz;
+ sproc->high_water = c_p->high_water;
+ sproc->old_hend = c_p->old_hend;
+ sproc->old_htop = c_p->old_htop;
+ sproc->old_heap = c_p->old_heap;
+ sproc->mbuf = NULL;
+ sproc->mbuf_sz = 0;
+ ERTS_INIT_OFF_HEAP(&sproc->off_heap);
+
+ env->hp_end = HEAP_LIMIT(c_p);
+ env->hp = HEAP_TOP(c_p);
+ env->heap_frag = NULL;
+ return;
+ }
+#endif
+
+ cache_env(env);
}
/* Flush out our cached heap pointers to allow an ordinary HAlloc
@@ -600,17 +637,32 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
if (scheduler > 0) { /* Normal scheduler */
rp = erts_proc_lookup(receiver);
- if (c_p == rp)
- rp_locks = ERTS_PROC_LOCK_MAIN;
+ if (!rp)
+ return 0;
}
else {
- if (c_p && ERTS_PROC_IS_EXITING(c_p))
- return 0;
- rp = erts_pid2proc_opt(c_p, 0, receiver, rp_locks,
+ if (c_p) {
+ ASSERT(scheduler < 0); /* Dirty scheduler */
+ if (ERTS_PROC_IS_EXITING(c_p))
+ return 0;
+
+ if (env->proc->static_flags & ERTS_STC_FLG_SHADOW_PROC) {
+ erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MAIN);
+ }
+ }
+
+ rp = erts_pid2proc_opt(c_p, ERTS_PROC_LOCK_MAIN,
+ receiver, rp_locks,
ERTS_P2P_FLG_INC_REFC);
+ if (!rp) {
+ if (c_p && (env->proc->static_flags & ERTS_STC_FLG_SHADOW_PROC))
+ erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_MAIN);
+ return 0;
+ }
}
- if (rp == NULL)
- return 0;
+
+ if (c_p == rp)
+ rp_locks = ERTS_PROC_LOCK_MAIN;
if (menv) {
flush_env(msg_env);
@@ -634,9 +686,9 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
INITIALIZE_LITERAL_PURGE_AREA(litarea);
sz = size_object_litopt(msg, &litarea);
if (env && !env->tracee) {
- flush_env(env);
+ full_flush_env(env);
mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp);
- cache_env(env);
+ full_cache_env(env);
}
else {
erts_aint_t state = erts_smp_atomic32_read_nob(&rp->state);
@@ -659,8 +711,11 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
if (!env || !env->tracee) {
- if (c_p && IS_TRACED_FL(c_p, F_TRACE_SEND))
+ if (c_p && IS_TRACED_FL(c_p, F_TRACE_SEND)) {
+ full_flush_env(env);
trace_send(c_p, receiver, msg);
+ full_cache_env(env);
+ }
}
#ifdef ERTS_SMP
else {
@@ -693,10 +748,6 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
erts_smp_proc_trylock(rp, ERTS_PROC_LOCK_MSGQ) == EBUSY) {
if (!msgq) {
-#ifdef ERTS_SMP
- ErtsThrPrgrDelayHandle dhndl;
-#endif
-
msgq = erts_alloc(ERTS_ALC_T_TRACE_MSG_QUEUE,
sizeof(ErlTraceMessageQueue));
msgq->receiver = receiver;
@@ -710,15 +761,7 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
erts_smp_proc_unlock(t_p, ERTS_PROC_LOCK_TRACE);
-#ifdef ERTS_SMP
- if (!scheduler)
- dhndl = erts_thr_progress_unmanaged_delay();
-#endif
- erts_schedule_flush_trace_messages(t_p->common.id);
-#ifdef ERTS_SMP
- if (!scheduler)
- erts_thr_progress_unmanaged_continue(dhndl);
-#endif
+ erts_schedule_flush_trace_messages(t_p, 0);
} else {
msgq->len++;
*msgq->last = mp;
@@ -743,6 +786,8 @@ done:
rp_locks &= ~ERTS_PROC_LOCK_MAIN;
if (rp_locks & ~lc_locks)
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);
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 3b246f5def..fa8290028a 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -448,6 +448,9 @@ int erts_system_profile_ts_type = ERTS_TRACE_FLG_NOW_TIMESTAMP;
typedef enum {
ERTS_PSTT_GC, /* Garbage Collect */
ERTS_PSTT_CPC, /* Check Process Code */
+#ifdef ERTS_NEW_PURGE_STRATEGY
+ ERTS_PSTT_CLA, /* Copy Literal Area */
+#endif
ERTS_PSTT_COHMQ, /* Change off heap message queue */
ERTS_PSTT_FTMQ /* Flush trace msg queue */
} ErtsProcSysTaskType;
@@ -6671,14 +6674,24 @@ erts_schedule_process(Process *p, erts_aint32_t state, ErtsProcLocks locks)
}
static int
-schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st)
+schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st,
+ erts_aint32_t *fail_state_p)
{
int res;
int locked;
ErtsProcSysTaskQs *stqs, *free_stqs;
- erts_aint32_t state, a, n, enq_prio;
+ erts_aint32_t fail_state, state, a, n, enq_prio;
int enqueue; /* < 0 -> use proxy */
unsigned int prof_runnable_procs;
+ int strict_fail_state;
+
+ fail_state = *fail_state_p;
+ /*
+ * If fail state something other than just exiting process,
+ * ensure that the task wont be scheduled when the
+ * receiver is in the failure state.
+ */
+ strict_fail_state = fail_state != ERTS_PSFLG_EXITING;
res = 1; /* prepare for success */
st->next = st->prev = st; /* Prep for empty prio queue */
@@ -6705,7 +6718,8 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st)
erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
state = erts_smp_atomic32_read_nob(&p->state);
- if (state & ERTS_PSFLG_EXITING) {
+ if (state & fail_state) {
+ *fail_state_p = (state & fail_state);
free_stqs = stqs;
res = 0;
goto cleanup;
@@ -6759,7 +6773,7 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st)
/* Status lock prevents out of order "runnable proc" trace msgs */
ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_STATUS & erts_proc_lc_my_proc_locks(p));
- if (!prof_runnable_procs) {
+ if (!prof_runnable_procs && !strict_fail_state) {
erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
locked = 0;
}
@@ -6770,6 +6784,11 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st)
erts_aint32_t e;
n = e = a;
+ if (strict_fail_state && (a & fail_state)) {
+ *fail_state_p = (a & fail_state);
+ goto cleanup;
+ }
+
if (a & ERTS_PSFLG_FREE)
goto cleanup; /* We don't want to schedule free processes... */
@@ -9092,6 +9111,27 @@ resume_process_1(BIF_ALIST_1)
BIF_ERROR(BIF_P, BADARG);
}
+BIF_RETTYPE
+erts_internal_is_process_executing_dirty_1(BIF_ALIST_1)
+{
+ if (is_not_internal_pid(BIF_ARG_1))
+ BIF_ERROR(BIF_P, BADARG);
+#ifdef ERTS_DIRTY_SCHEDULERS
+ else {
+ Process *rp = erts_proc_lookup(BIF_ARG_1);
+ if (rp) {
+ erts_aint32_t state = erts_smp_atomic32_read_nob(&rp->state);
+ if (state & (ERTS_PSFLG_DIRTY_RUNNING
+ |ERTS_PSFLG_DIRTY_RUNNING_SYS)) {
+ BIF_RET(am_true);
+ }
+ }
+ }
+#endif
+ BIF_RET(am_false);
+}
+
+
Uint
erts_run_queues_len(Uint *qlen, int atomic_queues_read, int incl_active_sched)
{
@@ -9498,15 +9538,6 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
p->reds += actual_reds;
-#ifdef ERTS_SMP
- erts_smp_proc_lock(p, ERTS_PROC_LOCK_TRACE);
- if (p->trace_msg_q) {
- erts_smp_proc_unlock(p, ERTS_PROC_LOCK_TRACE);
- erts_schedule_flush_trace_messages(p->common.id);
- } else
- erts_smp_proc_unlock(p, ERTS_PROC_LOCK_TRACE);
-#endif
-
state = erts_smp_atomic32_read_nob(&p->state);
if (IS_TRACED(p)) {
@@ -9526,7 +9557,15 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
}
}
- erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
+ erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE);
+
+#ifdef ERTS_SMP
+ if (p->trace_msg_q) {
+ erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE);
+ erts_schedule_flush_trace_messages(p, 1);
+ erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE);
+ }
+#endif
/* have to re-read state after taking lock */
state = erts_smp_atomic32_read_nob(&p->state);
@@ -9534,9 +9573,11 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
#ifdef ERTS_SMP
if (is_normal_sched && (state & ERTS_PSFLG_PENDING_EXIT))
erts_handle_pending_exit(p, (ERTS_PROC_LOCK_MAIN
+ | ERTS_PROC_LOCK_TRACE
| ERTS_PROC_LOCK_STATUS));
if (p->pending_suspenders)
handle_pending_suspend(p, (ERTS_PROC_LOCK_MAIN
+ | ERTS_PROC_LOCK_TRACE
| ERTS_PROC_LOCK_STATUS));
#endif
@@ -9556,7 +9597,9 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
p->scheduler_data = NULL;
#endif
- erts_smp_proc_unlock(p, ERTS_PROC_LOCK_MAIN|ERTS_PROC_LOCK_STATUS);
+ erts_smp_proc_unlock(p, (ERTS_PROC_LOCK_MAIN
+ | ERTS_PROC_LOCK_STATUS
+ | ERTS_PROC_LOCK_TRACE));
ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_OTHER);
@@ -9984,6 +10027,11 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
if (state & (ERTS_PSFLG_ACTIVE_SYS
| ERTS_PSFLG_PENDING_EXIT
| ERTS_PSFLG_EXITING)) {
+ /*
+ * IMPORTANT! We need to take care of
+ * scheduled check-process-code requests
+ * before continuing with dirty execution!
+ */
/* Migrate to normal scheduler... */
goto sunlock_sched_out_proc;
}
@@ -10393,6 +10441,27 @@ execute_sys_tasks(Process *c_p, erts_aint32_t *statep, int in_reds)
}
break;
}
+#ifdef ERTS_NEW_PURGE_STRATEGY
+ case ERTS_PSTT_CLA: {
+ int fcalls;
+ int cla_reds = 0;
+ if (!ERTS_PROC_GET_SAVED_CALLS_BUF(c_p))
+ fcalls = reds;
+ else
+ fcalls = reds - CONTEXT_REDS;
+ st_res = erts_proc_copy_literal_area(c_p,
+ &cla_reds,
+ fcalls,
+ st->arg[0] == am_true);
+ reds -= cla_reds;
+ if (is_non_value(st_res)) {
+ /* Needed gc, but gc was disabled */
+ save_gc_task(c_p, st, st_prio);
+ st = NULL;
+ }
+ break;
+ }
+#endif
case ERTS_PSTT_COHMQ:
reds -= erts_complete_off_heap_message_queue_change(c_p);
st_res = am_true;
@@ -10443,14 +10512,15 @@ cleanup_sys_tasks(Process *c_p, erts_aint32_t in_state, int in_reds)
switch (st->type) {
case ERTS_PSTT_GC:
- st_res = am_false;
- break;
case ERTS_PSTT_CPC:
- st_res = am_false;
- break;
case ERTS_PSTT_COHMQ:
st_res = am_false;
break;
+#ifdef ERTS_NEW_PURGE_STRATEGY
+ case ERTS_PSTT_CLA:
+ st_res = am_ok;
+ break;
+#endif
#ifdef ERTS_SMP
case ERTS_PSTT_FTMQ:
reds -= erts_flush_trace_messages(c_p, ERTS_PROC_LOCK_MAIN);
@@ -10471,22 +10541,83 @@ cleanup_sys_tasks(Process *c_p, erts_aint32_t in_state, int in_reds)
return reds;
}
-BIF_RETTYPE
-erts_internal_request_system_task_3(BIF_ALIST_3)
+#ifdef ERTS_DIRTY_SCHEDULERS
+
+static BIF_RETTYPE
+dispatch_system_task(Process *c_p, erts_aint_t fail_state,
+ ErtsProcSysTask *st, Eterm target,
+ Eterm prio, Eterm operation)
+{
+ Process *rp;
+ ErtsProcLocks rp_locks = 0;
+ ErlOffHeap *ohp;
+ ErtsMessage *mp;
+ Eterm *hp, msg;
+ Uint hsz, osz;
+ BIF_RETTYPE ret;
+
+ switch (st->type) {
+ case ERTS_PSTT_CPC:
+ rp = erts_dirty_process_code_checker;
+ ASSERT(fail_state & (ERTS_PSFLG_DIRTY_RUNNING
+ | ERTS_PSFLG_DIRTY_RUNNING_SYS));
+ if (c_p == rp) {
+ ERTS_BIF_PREP_RET(ret, am_dirty_execution);
+ return ret;
+ }
+ break;
+ default:
+ rp = NULL;
+ ERTS_INTERNAL_ERROR("Non-dispatchable system task");
+ break;
+ }
+
+ ERTS_BIF_PREP_RET(ret, am_ok);
+
+ /*
+ * Send message on the form: {Requester, Target, Operation}
+ */
+
+ ASSERT(is_immed(st->requester));
+ ASSERT(is_immed(target));
+ ASSERT(is_immed(prio));
+
+ osz = size_object(operation);
+ hsz = 5 /* 4-tuple */ + osz;
+
+ mp = erts_alloc_message_heap(rp, &rp_locks, hsz, &hp, &ohp);
+
+ msg = copy_struct(operation, osz, &hp, ohp);
+ msg = TUPLE4(hp, st->requester, target, prio, msg);
+
+ erts_queue_message(rp, rp_locks, mp, msg, st->requester);
+
+ if (rp_locks)
+ erts_smp_proc_unlock(rp, rp_locks);
+
+ return ret;
+}
+
+#endif
+
+static BIF_RETTYPE
+request_system_task(Process *c_p, Eterm requester, Eterm target,
+ Eterm priority, Eterm operation)
{
- Process *rp = erts_proc_lookup(BIF_ARG_1);
+ BIF_RETTYPE ret;
+ Process *rp = erts_proc_lookup(target);
ErtsProcSysTask *st = NULL;
- erts_aint32_t prio;
+ erts_aint32_t prio, fail_state = ERTS_PSFLG_EXITING;
Eterm noproc_res, req_type;
- if (!rp && !is_internal_pid(BIF_ARG_1)) {
- if (!is_external_pid(BIF_ARG_1))
+ if (!rp && !is_internal_pid(target)) {
+ if (!is_external_pid(target))
goto badarg;
- if (external_pid_dist_entry(BIF_ARG_1) != erts_this_dist_entry)
+ if (external_pid_dist_entry(target) != erts_this_dist_entry)
goto badarg;
}
- switch (BIF_ARG_2) {
+ switch (priority) {
case am_max: prio = PRIORITY_MAX; break;
case am_high: prio = PRIORITY_HIGH; break;
case am_normal: prio = PRIORITY_NORMAL; break;
@@ -10494,11 +10625,11 @@ erts_internal_request_system_task_3(BIF_ALIST_3)
default: goto badarg;
}
- if (is_not_tuple(BIF_ARG_3))
+ if (is_not_tuple(operation))
goto badarg;
else {
int i;
- Eterm *tp = tuple_val(BIF_ARG_3);
+ Eterm *tp = tuple_val(operation);
Uint arity = arityval(*tp);
Eterm req_id;
Uint req_id_sz;
@@ -10536,7 +10667,7 @@ erts_internal_request_system_task_3(BIF_ALIST_3)
ERTS_INIT_OFF_HEAP(&st->off_heap);
hp = &st->heap[0];
- st->requester = BIF_P->common.id;
+ st->requester = requester;
st->reply_tag = req_type;
st->req_id_sz = req_id_sz;
st->req_id = req_id_sz == 0 ? req_id : copy_struct(req_id,
@@ -10570,26 +10701,85 @@ erts_internal_request_system_task_3(BIF_ALIST_3)
st->type = ERTS_PSTT_CPC;
if (!rp)
goto noproc;
+#ifdef ERTS_DIRTY_SCHEDULERS
+ /*
+ * If the process should start executing dirty
+ * code it is important that this task is
+ * aborted. Therefore this strict fail state...
+ */
+ fail_state |= (ERTS_PSFLG_DIRTY_RUNNING
+ | ERTS_PSFLG_DIRTY_RUNNING_SYS);
+#endif
+ break;
+
+#ifdef ERTS_NEW_PURGE_STRATEGY
+ case am_copy_literals:
+ if (st->arg[0] != am_true && st->arg[0] != am_false)
+ goto badarg;
+ st->type = ERTS_PSTT_CLA;
+ noproc_res = am_ok;
+ if (!rp)
+ goto noproc;
break;
+#endif
default:
goto badarg;
}
- if (!schedule_process_sys_task(rp, prio, st)) {
- noproc:
- notify_sys_task_executed(BIF_P, st, noproc_res);
+ if (!schedule_process_sys_task(rp, prio, st, &fail_state)) {
+ Eterm failure;
+ if (fail_state & ERTS_PSFLG_EXITING) {
+ noproc:
+ failure = noproc_res;
+ }
+#ifdef ERTS_DIRTY_SCHEDULERS
+ else if (fail_state & (ERTS_PSFLG_DIRTY_RUNNING
+ | ERTS_PSFLG_DIRTY_RUNNING_SYS)) {
+ ret = dispatch_system_task(c_p, fail_state, st,
+ target, priority, operation);
+ goto cleanup_return;
+ }
+#endif
+ else {
+ ERTS_INTERNAL_ERROR("Unknown failure schedule_process_sys_task()");
+ failure = am_internal_error;
+ }
+ notify_sys_task_executed(c_p, st, failure);
}
- BIF_RET(am_ok);
+ ERTS_BIF_PREP_RET(ret, am_ok);
+
+ return ret;
badarg:
+ ERTS_BIF_PREP_ERROR(ret, c_p, BADARG);
+
+#ifdef ERTS_DIRTY_SCHEDULERS
+cleanup_return:
+#endif
+
if (st) {
erts_cleanup_offheap(&st->off_heap);
erts_free(ERTS_ALC_T_PROC_SYS_TSK, st);
}
- BIF_ERROR(BIF_P, BADARG);
+
+ return ret;
+}
+
+BIF_RETTYPE
+erts_internal_request_system_task_3(BIF_ALIST_3)
+{
+ return request_system_task(BIF_P, BIF_P->common.id,
+ BIF_ARG_1, BIF_ARG_2, BIF_ARG_3);
+}
+
+BIF_RETTYPE
+erts_internal_request_system_task_4(BIF_ALIST_4)
+{
+ return request_system_task(BIF_P, BIF_ARG_1,
+ BIF_ARG_2, BIF_ARG_3, BIF_ARG_4);
}
static void
@@ -10598,7 +10788,7 @@ erts_schedule_generic_sys_task(Eterm pid, ErtsProcSysTaskType type)
Process *rp = erts_proc_lookup(pid);
if (rp) {
ErtsProcSysTask *st;
- erts_aint32_t state;
+ erts_aint32_t state, fail_state;
int i;
st = erts_alloc(ERTS_ALC_T_PROC_SYS_TSK,
@@ -10613,21 +10803,103 @@ erts_schedule_generic_sys_task(Eterm pid, ErtsProcSysTaskType type)
ERTS_INIT_OFF_HEAP(&st->off_heap);
state = erts_smp_atomic32_read_nob(&rp->state);
- if (!schedule_process_sys_task(rp, ERTS_PSFLGS_GET_USR_PRIO(state), st))
+ fail_state = ERTS_PSFLG_EXITING;
+
+ if (!schedule_process_sys_task(rp, ERTS_PSFLGS_GET_USR_PRIO(state),
+ st, &fail_state))
erts_free(ERTS_ALC_T_PROC_SYS_TSK, st);
}
}
+
void
erts_schedule_complete_off_heap_message_queue_change(Eterm pid)
{
erts_schedule_generic_sys_task(pid, ERTS_PSTT_COHMQ);
}
+#ifdef ERTS_DIRTY_SCHEDULERS
+
+static void
+flush_dirty_trace_messages(void *vpid)
+{
+ Process *proc;
+ Eterm pid;
+#ifdef ARCH_64
+ pid = (Eterm) vpid;
+#else
+ pid = *((Eterm *) vpid);
+ erts_free(ERTS_ALC_T_DIRTY_SL, vpid);
+#endif
+
+ proc = erts_proc_lookup(pid);
+ if (proc)
+ (void) erts_flush_trace_messages(proc, 0);
+}
+
+#endif /* ERTS_DIRTY_SCHEDULERS */
+
void
-erts_schedule_flush_trace_messages(Eterm pid)
+erts_schedule_flush_trace_messages(Process *proc, int force_on_proc)
{
+#ifdef ERTS_SMP
+ ErtsThrPrgrDelayHandle dhndl;
+#endif
+ Eterm pid = proc->common.id;
+
+#ifdef ERTS_DIRTY_SCHEDULERS
+ erts_aint32_t state;
+
+ if (!force_on_proc) {
+ state = erts_smp_atomic32_read_nob(&proc->state);
+ if (state & (ERTS_PSFLG_DIRTY_RUNNING
+ | ERTS_PSFLG_DIRTY_RUNNING_SYS)) {
+ goto sched_flush_dirty;
+ }
+ }
+#endif
+
+#ifdef ERTS_SMP
+ dhndl = erts_thr_progress_unmanaged_delay();
+#endif
+
erts_schedule_generic_sys_task(pid, ERTS_PSTT_FTMQ);
+
+#ifdef ERTS_SMP
+ erts_thr_progress_unmanaged_continue(dhndl);
+#endif
+
+#ifdef ERTS_DIRTY_SCHEDULERS
+ if (!force_on_proc) {
+ state = erts_smp_atomic32_read_mb(&proc->state);
+ if (state & (ERTS_PSFLG_DIRTY_RUNNING
+ | ERTS_PSFLG_DIRTY_RUNNING_SYS)) {
+ void *vargp;
+
+ sched_flush_dirty:
+ /*
+ * We traced 'proc' from another thread than
+ * it is executing on, and it is executing
+ * on a dirty scheduler. It might take a
+ * significant amount of time before it is
+ * scheduled out (where it gets opportunity
+ * to flush messages). We therefore schedule
+ * the flush on the first ordinary scheduler.
+ */
+
+#ifdef ARCH_64
+ vargp = (void *) pid;
+#else
+ {
+ Eterm *argp = erts_alloc(ERTS_ALC_T_DIRTY_SL, sizeof(Eterm));
+ *argp = pid;
+ vargp = (void *) argp;
+ }
+#endif
+ erts_schedule_misc_aux_work(1, flush_dirty_trace_messages, vargp);
+ }
+ }
+#endif
}
static void
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 714e63e986..f1788c3f71 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -1767,7 +1767,7 @@ void erts_schedule_thr_prgr_later_cleanup_op(void (*)(void *),
ErtsThrPrgrLaterOp *,
UWord);
void erts_schedule_complete_off_heap_message_queue_change(Eterm pid);
-void erts_schedule_flush_trace_messages(Eterm pid);
+void erts_schedule_flush_trace_messages(Process *proc, int force_on_proc);
int erts_flush_trace_messages(Process *c_p, ErtsProcLocks locks);
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c
index 21938e7684..26d71f573f 100644
--- a/erts/emulator/beam/erl_thr_progress.c
+++ b/erts/emulator/beam/erl_thr_progress.c
@@ -969,8 +969,10 @@ erts_thr_progress_unmanaged_continue__(ErtsThrPrgrDelayHandle handle)
#ifdef ERTS_ENABLE_LOCK_CHECK
ErtsThrPrgrData *tpd = perhaps_thr_prgr_data(NULL);
ERTS_LC_ASSERT(tpd && tpd->is_delaying);
- tpd->is_delaying = 0;
- return_tmp_thr_prgr_data(tpd);
+ tpd->is_delaying--;
+ ASSERT(tpd->is_delaying >= 0);
+ if (!tpd->is_delaying)
+ return_tmp_thr_prgr_data(tpd);
#endif
ASSERT(!erts_thr_progress_is_managed_thread());
@@ -995,7 +997,7 @@ erts_thr_progress_unmanaged_delay__(void)
#ifdef ERTS_ENABLE_LOCK_CHECK
{
ErtsThrPrgrData *tpd = tmp_thr_prgr_data(NULL);
- tpd->is_delaying = 1;
+ tpd->is_delaying++;
}
#endif
return (ErtsThrPrgrDelayHandle) umrefc_ix;
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index c4396488f5..f4d92564c1 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -813,6 +813,9 @@ trace_send(Process *p, Eterm to, Eterm msg)
ErtsTracerNif *tnif = NULL;
ErtsTracingEvent* te;
Eterm pam_result;
+#ifdef ERTS_SMP
+ ErtsThrPrgrDelayHandle dhndl;
+#endif
ASSERT(ARE_TRACE_FLAGS_ON(p, F_TRACE_SEND));
@@ -837,6 +840,10 @@ trace_send(Process *p, Eterm to, Eterm msg)
} else
pam_result = am_true;
+#ifdef ERTS_SMP
+ dhndl = erts_thr_progress_unmanaged_delay();
+#endif
+
if (is_internal_pid(to)) {
if (!erts_proc_lookup(to))
goto send_to_non_existing_process;
@@ -852,6 +859,11 @@ trace_send(Process *p, Eterm to, Eterm msg)
send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_SEND,
operation, msg, to, pam_result);
}
+
+#ifdef ERTS_SMP
+ erts_thr_progress_unmanaged_continue(dhndl);
+#endif
+
erts_match_set_release_result_trace(p, pam_result);
}
@@ -1167,6 +1179,8 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec,
Eterm transformed_args[MAX_ARG];
ErtsTracer pre_ms_tracer = erts_tracer_nil;
+ ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(p) & ERTS_PROC_LOCK_MAIN);
+
ASSERT(tracer);
if (ERTS_TRACER_COMPARE(*tracer, erts_tracer_true)) {
/* Breakpoint trace enabled without specifying tracer =>
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 1423973739..d7dd6371b7 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -61,9 +61,12 @@ struct enif_environment_t /* ErlNifEnv */
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);
+#ifdef ERTS_DIRTY_SCHEDULERS
extern void erts_pre_dirty_nif(ErtsSchedulerData *,
struct enif_environment_t*, Process*,
- struct erl_module_nif*, Process* tracee);
+ struct erl_module_nif*);
+extern void erts_post_dirty_nif(struct enif_environment_t* env);
+#endif
extern Eterm erts_nif_taints(Process* p);
extern void erts_print_nif_taints(int to, void* to_arg);
void erts_unload_nif(struct erl_module_nif* nif);
@@ -998,17 +1001,30 @@ Eterm erl_is_function(Process* p, Eterm arg1, Eterm arg2);
/* beam_bif_load.c */
#define ERTS_CPC_ALLOW_GC (1 << 0)
-#define ERTS_CPC_COPY_LITERALS (1 << 1)
-#define ERTS_CPC_ALL (ERTS_CPC_ALLOW_GC | ERTS_CPC_COPY_LITERALS)
+#define ERTS_CPC_ALL ERTS_CPC_ALLOW_GC
Eterm erts_check_process_code(Process *c_p, Eterm module, Uint flags, int *redsp, int fcalls);
+#ifdef ERTS_NEW_PURGE_STRATEGY
+Eterm erts_proc_copy_literal_area(Process *c_p, int *redsp, int fcalls, int gc_allowed);
+#endif
-typedef struct {
- Eterm *ptr;
- Uint sz;
- Eterm pid;
-} copy_literals_t;
+typedef struct ErtsLiteralArea_ {
+ struct erl_off_heap_header *off_heap;
+ Eterm *end;
+ Eterm start[1]; /* beginning of area */
+} ErtsLiteralArea;
-extern copy_literals_t erts_clrange;
+#define ERTS_LITERAL_AREA_ALLOC_SIZE(N) \
+ (sizeof(ErtsLiteralArea) + sizeof(Eterm)*((N) - 1))
+
+extern ErtsLiteralArea *erts_copy_literal_area;
+#ifdef ERTS_NEW_PURGE_STRATEGY
+extern Process *erts_literal_area_collector;
+#endif
+#ifdef ERTS_DIRTY_SCHEDULERS
+extern Process *erts_dirty_process_code_checker;
+#endif
+
+extern Process *erts_code_purger;
/* beam_load.c */
typedef struct {
@@ -1089,15 +1105,22 @@ typedef struct {
Uint lit_purge_sz;
} erts_shcopy_t;
-#define INITIALIZE_SHCOPY(info) \
-do { \
- info.queue_start = info.queue_default; \
- info.bitstore_start = info.bitstore_default; \
- info.shtable_start = info.shtable_default; \
- info.literal_size = 0; \
- info.lit_purge_ptr = erts_clrange.ptr; \
- info.lit_purge_sz = erts_clrange.sz; \
-} while(0)
+#define INITIALIZE_SHCOPY(info) \
+ do { \
+ ErtsLiteralArea *larea__ = erts_copy_literal_area; \
+ info.queue_start = info.queue_default; \
+ info.bitstore_start = info.bitstore_default; \
+ info.shtable_start = info.shtable_default; \
+ info.literal_size = 0; \
+ if (larea__) { \
+ info.lit_purge_ptr = &larea__->start[0]; \
+ info.lit_purge_sz = larea__->end - info.lit_purge_ptr; \
+ } \
+ else { \
+ info.lit_purge_ptr = NULL; \
+ info.lit_purge_sz = 0; \
+ } \
+ } while(0)
#define DESTROY_SHCOPY(info) \
do { \
@@ -1118,10 +1141,17 @@ typedef struct {
Uint lit_purge_sz;
} erts_literal_area_t;
-#define INITIALIZE_LITERAL_PURGE_AREA(Area) \
- do { \
- (Area).lit_purge_ptr = erts_clrange.ptr; \
- (Area).lit_purge_sz = erts_clrange.sz; \
+#define INITIALIZE_LITERAL_PURGE_AREA(Area) \
+ do { \
+ ErtsLiteralArea *larea__ = erts_copy_literal_area; \
+ if (larea__) { \
+ (Area).lit_purge_ptr = &larea__->start[0]; \
+ (Area).lit_purge_sz = larea__->end - (Area).lit_purge_ptr; \
+ } \
+ else { \
+ (Area).lit_purge_ptr = NULL; \
+ (Area).lit_purge_sz = 0; \
+ } \
} while(0)
Eterm copy_object_x(Eterm, Process*, Uint);
diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl
index 2347a3d4ef..34515efa3d 100644
--- a/erts/emulator/test/code_SUITE.erl
+++ b/erts/emulator/test/code_SUITE.erl
@@ -20,7 +20,8 @@
-module(code_SUITE).
-export([all/0, suite/0, init_per_suite/1, end_per_suite/1,
- versions/1,new_binary_types/1,
+ versions/1,new_binary_types/1, call_purged_fun_code_gone/1,
+ call_purged_fun_code_reload/1, call_purged_fun_code_there/1,
t_check_process_code/1,t_check_old_code/1,
t_check_process_code_ets/1,
external_fun/1,get_chunk/1,module_md5/1,make_stub/1,
@@ -34,7 +35,8 @@
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [versions, new_binary_types, t_check_process_code,
+ [versions, new_binary_types, call_purged_fun_code_gone,
+ call_purged_fun_code_reload, call_purged_fun_code_there, t_check_process_code,
t_check_process_code_ets, t_check_old_code, external_fun, get_chunk,
module_md5, make_stub, make_stub_many_funs,
constant_pools, constant_refc_binaries, false_dependency,
@@ -127,12 +129,169 @@ new_binary_types(Config) when is_list(Config) ->
bit_sized_binary(Bin))),
ok.
+call_purged_fun_code_gone(Config) when is_list(Config) ->
+ Priv = proplists:get_value(priv_dir, Config),
+ Data = proplists:get_value(data_dir, Config),
+ call_purged_fun_test(Priv, Data, code_gone),
+ ok.
+
+call_purged_fun_code_reload(Config) when is_list(Config) ->
+ Priv = proplists:get_value(priv_dir, Config),
+ Data = proplists:get_value(data_dir, Config),
+ Path = code:get_path(),
+ true = code:add_path(Priv),
+ try
+ call_purged_fun_test(Priv, Data, code_reload)
+ after
+ code:set_path(Path)
+ end,
+ ok.
+
+call_purged_fun_code_there(Config) when is_list(Config) ->
+ Priv = proplists:get_value(priv_dir, Config),
+ Data = proplists:get_value(data_dir, Config),
+ call_purged_fun_test(Priv, Data, code_there),
+ ok.
+
+call_purged_fun_test(Priv, Data, Type) ->
+ File = filename:join(Data, "my_code_test2"),
+ Code = filename:join(Priv, "my_code_test2"),
+
+ catch erlang:purge_module(my_code_test2),
+ catch erlang:delete_module(my_code_test2),
+ catch erlang:purge_module(my_code_test2),
+
+ {ok,my_code_test2} = c:c(File, [{outdir,Priv}]),
+
+ T = ets:new(my_code_test2_fun_table, []),
+ ets:insert(T, {my_fun,my_code_test2:make_fun(4711)}),
+ ets:insert(T, {my_fun2,my_code_test2:make_fun2()}),
+
+ spawn(fun () ->
+ [{my_fun2,F2}] = ets:lookup(T, my_fun2),
+ F2(fun () ->
+ receive after infinity -> ok end
+ end,
+ fun () -> ok end),
+ exit(completed)
+ end),
+
+ PurgeType = case Type of
+ code_gone ->
+ ok = file:delete(Code++".beam"),
+ true;
+ code_reload ->
+ true;
+ code_there ->
+ false
+ end,
+
+ true = erlang:delete_module(my_code_test2),
+
+ Purge = start_purge(my_code_test2, PurgeType),
+
+ {P0, M0} = spawn_monitor(fun () ->
+ [{my_fun,F}] = ets:lookup(T, my_fun),
+ 4712 = F(1),
+ exit(completed)
+ end),
+
+ wait_until(fun () ->
+ {status, suspended}
+ == process_info(P0, status)
+ end),
+
+ ok = continue_purge(Purge),
+
+ {P1, M1} = spawn_monitor(fun () ->
+ [{my_fun,F}] = ets:lookup(T, my_fun),
+ 4713 = F(2),
+ exit(completed)
+ end),
+ {P2, M2} = spawn_monitor(fun () ->
+ [{my_fun,F}] = ets:lookup(T, my_fun),
+ 4714 = F(3),
+ exit(completed)
+ end),
+
+ wait_until(fun () ->
+ {status, suspended}
+ == process_info(P1, status)
+ end),
+ wait_until(fun () ->
+ {status, suspended}
+ == process_info(P2, status)
+ end),
+
+ {current_function,
+ {erts_code_purger,
+ pending_purge_lambda,
+ 3}} = process_info(P0, current_function),
+ {current_function,
+ {erts_code_purger,
+ pending_purge_lambda,
+ 3}} = process_info(P1, current_function),
+ {current_function,
+ {erts_code_purger,
+ pending_purge_lambda,
+ 3}} = process_info(P2, current_function),
+
+ case Type of
+ code_there ->
+ false = complete_purge(Purge);
+ _ ->
+ {true, true} = complete_purge(Purge)
+ end,
+
+ case Type of
+ code_gone ->
+ receive
+ {'DOWN', M0, process, P0, Reason0} ->
+ {undef, _} = Reason0
+ end,
+ receive
+ {'DOWN', M1, process, P1, Reason1} ->
+ {undef, _} = Reason1
+ end,
+ receive
+ {'DOWN', M2, process, P2, Reason2} ->
+ {undef, _} = Reason2
+ end;
+ _ ->
+ receive
+ {'DOWN', M0, process, P0, Reason0} ->
+ completed = Reason0
+ end,
+ receive
+ {'DOWN', M1, process, P1, Reason1} ->
+ completed = Reason1
+ end,
+ receive
+ {'DOWN', M2, process, P2, Reason2} ->
+ completed = Reason2
+ end,
+ catch erlang:purge_module(my_code_test2),
+ catch erlang:delete_module(my_code_test2),
+ catch erlang:purge_module(my_code_test2)
+ end,
+ ok.
+
t_check_process_code(Config) when is_list(Config) ->
+ case check_process_code_handle(indirect_references) of
+ false -> {skipped, "check_process_code() ignores funs"};
+ true -> t_check_process_code_test(Config)
+ end.
+
+t_check_process_code_test(Config) ->
Priv = proplists:get_value(priv_dir, Config),
Data = proplists:get_value(data_dir, Config),
File = filename:join(Data, "my_code_test"),
Code = filename:join(Priv, "my_code_test"),
+ catch erlang:purge_module(my_code_test),
+ catch erlang:delete_module(my_code_test),
+ catch erlang:purge_module(my_code_test),
+
{ok,my_code_test} = c:c(File, [{outdir,Priv}]),
MyFun = fun(X, Y) -> X + Y end, %Confuse things.
@@ -231,11 +390,16 @@ gc1() -> ok.
%% Test check_process_code/2 in combination with a fun obtained from an ets table.
t_check_process_code_ets(Config) when is_list(Config) ->
- case test_server:is_native(?MODULE) of
- true ->
- {skip,"Native code"};
- false ->
- do_check_process_code_ets(Config)
+ case check_process_code_handle(indirect_references) of
+ false ->
+ {skipped, "check_process_code() ignores funs"};
+ true ->
+ case test_server:is_native(?MODULE) of
+ true ->
+ {skip,"Native code"};
+ false ->
+ do_check_process_code_ets(Config)
+ end
end.
do_check_process_code_ets(Config) ->
@@ -243,8 +407,9 @@ do_check_process_code_ets(Config) ->
Data = proplists:get_value(data_dir, Config),
File = filename:join(Data, "my_code_test"),
- erlang:purge_module(my_code_test),
- erlang:delete_module(my_code_test),
+ catch erlang:purge_module(my_code_test),
+ catch erlang:delete_module(my_code_test),
+ catch erlang:purge_module(my_code_test),
{ok,my_code_test} = c:c(File, [{outdir,Priv}]),
T = ets:new(my_code_test, []),
@@ -295,8 +460,8 @@ t_check_old_code(Config) when is_list(Config) ->
Data = proplists:get_value(data_dir, Config),
File = filename:join(Data, "my_code_test"),
- erlang:purge_module(my_code_test),
- erlang:delete_module(my_code_test),
+ catch erlang:purge_module(my_code_test),
+ catch erlang:delete_module(my_code_test),
catch erlang:purge_module(my_code_test),
false = erlang:check_old_code(my_code_test),
@@ -971,3 +1136,39 @@ flush() ->
receive _ -> flush() after 0 -> ok end.
id(I) -> I.
+
+check_process_code_handle(What) ->
+ lists:member(What, erlang:system_info(check_process_code)).
+
+wait_until(Fun) ->
+ case Fun() of
+ true ->
+ ok;
+ false ->
+ receive after 100 -> ok end,
+ wait_until(Fun)
+ end.
+
+start_purge(Mod, Type) when is_atom(Mod)
+ andalso ((Type == true)
+ orelse (Type == false)) ->
+ Ref = make_ref(),
+ erts_code_purger ! {test_purge, Mod, self(), Type, Ref},
+ receive
+ {started, Ref} ->
+ Ref
+ end.
+
+continue_purge(Ref) when is_reference(Ref) ->
+ erts_code_purger ! {continue, Ref},
+ receive
+ {continued, Ref} ->
+ ok
+ end.
+
+complete_purge(Ref) when is_reference(Ref) ->
+ erts_code_purger ! {complete, Ref},
+ receive
+ {test_purge, Res, Ref} ->
+ Res
+ end.
diff --git a/erts/emulator/test/code_SUITE_data/my_code_test.erl b/erts/emulator/test/code_SUITE_data/my_code_test.erl
index d2386157d6..9d12aa9897 100644
--- a/erts/emulator/test/code_SUITE_data/my_code_test.erl
+++ b/erts/emulator/test/code_SUITE_data/my_code_test.erl
@@ -24,5 +24,3 @@
make_fun(A) ->
fun(X) -> A + X end.
-
-
diff --git a/erts/emulator/test/code_SUITE_data/my_code_test2.erl b/erts/emulator/test/code_SUITE_data/my_code_test2.erl
new file mode 100644
index 0000000000..57973535d4
--- /dev/null
+++ b/erts/emulator/test/code_SUITE_data/my_code_test2.erl
@@ -0,0 +1,32 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(my_code_test2).
+
+-export([make_fun/1, make_fun2/0]).
+
+make_fun(A) ->
+ fun(X) -> A + X end.
+
+make_fun2() ->
+ fun (F1,F2) ->
+ F1(),
+ F2()
+ end.
diff --git a/erts/emulator/test/dirty_nif_SUITE.erl b/erts/emulator/test/dirty_nif_SUITE.erl
index 83b098a704..653b96557e 100644
--- a/erts/emulator/test/dirty_nif_SUITE.erl
+++ b/erts/emulator/test/dirty_nif_SUITE.erl
@@ -33,7 +33,8 @@
dirty_nif_exception/1, call_dirty_nif_exception/1,
dirty_scheduler_exit/1, dirty_call_while_terminated/1,
dirty_heap_access/1, dirty_process_info/1,
- dirty_process_register/1, dirty_process_trace/1]).
+ dirty_process_register/1, dirty_process_trace/1,
+ code_purge/1, dirty_nif_send_traced/1]).
-define(nif_stub,nif_stub_error(?LINE)).
@@ -48,7 +49,9 @@ all() ->
dirty_heap_access,
dirty_process_info,
dirty_process_register,
- dirty_process_trace].
+ dirty_process_trace,
+ code_purge,
+ dirty_nif_send_traced].
init_per_suite(Config) ->
try erlang:system_info(dirty_cpu_schedulers) of
@@ -349,6 +352,103 @@ dirty_process_trace(Config) when is_list(Config) ->
ok
end).
+dirty_code_test_code() ->
+ "
+-module(dirty_code_test).
+
+-export([func/1]).
+
+func(Fun) ->
+ Fun(),
+ blipp:blapp().
+
+".
+
+code_purge(Config) when is_list(Config) ->
+ Path = ?config(data_dir, Config),
+ File = filename:join(Path, "dirty_code_test.erl"),
+ ok = file:write_file(File, dirty_code_test_code()),
+ {ok, dirty_code_test, Bin} = compile:file(File, [binary]),
+ {module, dirty_code_test} = erlang:load_module(dirty_code_test, Bin),
+ Start = erlang:monotonic_time(),
+ {Pid1, Mon1} = spawn_monitor(fun () ->
+ dirty_code_test:func(fun () ->
+ %% Sleep for 6 seconds
+ %% in dirty nif...
+ dirty_sleeper()
+ end)
+ end),
+ {module, dirty_code_test} = erlang:load_module(dirty_code_test, Bin),
+ {Pid2, Mon2} = spawn_monitor(fun () ->
+ dirty_code_test:func(fun () ->
+ %% Sleep for 6 seconds
+ %% in dirty nif...
+ dirty_sleeper()
+ end)
+ end),
+ receive
+ {'DOWN', Mon1, process, Pid1, _} ->
+ ct:fail(premature_death)
+ after 100 ->
+ ok
+ end,
+ true = erlang:purge_module(dirty_code_test),
+ receive
+ {'DOWN', Mon1, process, Pid1, Reason1} ->
+ killed = Reason1
+ end,
+ receive
+ {'DOWN', Mon2, process, Pid2, _} ->
+ ct:fail(premature_death)
+ after 100 ->
+ ok
+ end,
+ true = erlang:delete_module(dirty_code_test),
+ receive
+ {'DOWN', Mon2, process, Pid2, _} ->
+ ct:fail(premature_death)
+ after 100 ->
+ ok
+ end,
+ true = erlang:purge_module(dirty_code_test),
+ receive
+ {'DOWN', Mon2, process, Pid2, Reason2} ->
+ killed = Reason2
+ end,
+ End = erlang:monotonic_time(),
+ Time = erlang:convert_time_unit(End-Start, native, milli_seconds),
+ io:format("Time=~p~n", [Time]),
+ true = Time =< 1000,
+ ok.
+
+dirty_nif_send_traced(Config) when is_list(Config) ->
+ Parent = self(),
+ Rcvr = spawn_link(fun() ->
+ Self = self(),
+ receive {ok, Self} -> ok end,
+ Parent ! {Self, received}
+ end),
+ Sndr = spawn_link(fun () ->
+ receive {Parent, go} -> ok end,
+ {ok, Rcvr} = send_wait_from_dirty_nif(Rcvr),
+ Parent ! {self(), sent}
+ end),
+ 1 = erlang:trace(Sndr, true, [send]),
+ Start = erlang:monotonic_time(),
+ Sndr ! {self(), go},
+ receive {trace, Sndr, send, {ok, Rcvr}, Rcvr} -> ok end,
+ receive {Rcvr, received} -> ok end,
+ End1 = erlang:monotonic_time(),
+ Time1 = erlang:convert_time_unit(End1-Start, native, 1000),
+ io:format("Time1: ~p milliseconds~n", [Time1]),
+ true = Time1 < 500,
+ receive {Sndr, sent} -> ok end,
+ End2 = erlang:monotonic_time(),
+ Time2 = erlang:convert_time_unit(End2-Start, native, 1000),
+ io:format("Time2: ~p milliseconds~n", [Time2]),
+ true = Time2 >= 1900,
+ ok.
+
%%
%% Internal...
%%
@@ -431,6 +531,7 @@ mcall(Node, Funs) ->
lib_loaded() -> false.
call_dirty_nif(_,_,_) -> ?nif_stub.
send_from_dirty_nif(_) -> ?nif_stub.
+send_wait_from_dirty_nif(_) -> ?nif_stub.
call_dirty_nif_exception(_) -> ?nif_stub.
call_dirty_nif_zero_args() -> ?nif_stub.
dirty_call_while_terminated_nif(_) -> ?nif_stub.
diff --git a/erts/emulator/test/dirty_nif_SUITE_data/dirty_nif_SUITE.c b/erts/emulator/test/dirty_nif_SUITE_data/dirty_nif_SUITE.c
index d92933a096..a0019e5d95 100644
--- a/erts/emulator/test/dirty_nif_SUITE_data/dirty_nif_SUITE.c
+++ b/erts/emulator/test/dirty_nif_SUITE_data/dirty_nif_SUITE.c
@@ -100,6 +100,32 @@ static ERL_NIF_TERM send_from_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_
return result;
}
+static ERL_NIF_TERM send_wait_from_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ ERL_NIF_TERM result;
+ ErlNifPid pid;
+ ErlNifEnv* menv;
+ int res;
+
+ if (!enif_get_local_pid(env, argv[0], &pid))
+ return enif_make_badarg(env);
+ result = enif_make_tuple2(env, enif_make_atom(env, "ok"), enif_make_pid(env, &pid));
+ menv = enif_alloc_env();
+ res = enif_send(env, &pid, menv, result);
+ enif_free_env(menv);
+
+#ifdef __WIN32__
+ Sleep(2000);
+#else
+ sleep(2);
+#endif
+
+ if (!res)
+ return enif_make_badarg(env);
+ else
+ return result;
+}
+
static ERL_NIF_TERM call_dirty_nif_exception(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
switch (argc) {
@@ -237,6 +263,7 @@ static ErlNifFunc nif_funcs[] =
{"lib_loaded", 0, lib_loaded},
{"call_dirty_nif", 3, call_dirty_nif},
{"send_from_dirty_nif", 1, send_from_dirty_nif, ERL_NIF_DIRTY_JOB_CPU_BOUND},
+ {"send_wait_from_dirty_nif", 1, send_wait_from_dirty_nif, ERL_NIF_DIRTY_JOB_IO_BOUND},
{"call_dirty_nif_exception", 1, call_dirty_nif_exception, ERL_NIF_DIRTY_JOB_IO_BOUND},
{"call_dirty_nif_zero_args", 0, call_dirty_nif_zero_args, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"dirty_sleeper", 0, dirty_sleeper, ERL_NIF_DIRTY_JOB_IO_BOUND},
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 13:55:37 +0000