diff options
Diffstat (limited to 'erts/emulator')
-rw-r--r-- | erts/emulator/beam/beam_emu.c | 3 | ||||
-rw-r--r-- | erts/emulator/beam/bif.tab | 1 | ||||
-rw-r--r-- | erts/emulator/beam/copy.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/erl_binary.h | 18 | ||||
-rw-r--r-- | erts/emulator/beam/erl_bits.h | 17 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.c | 81 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.h | 95 | ||||
-rw-r--r-- | erts/emulator/beam/erl_map.c | 66 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.h | 13 | ||||
-rw-r--r-- | erts/emulator/beam/io.c | 10 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_gc.c | 16 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_mode_switch.c | 27 | ||||
-rw-r--r-- | erts/emulator/sys/unix/sys.c | 4 | ||||
-rw-r--r-- | erts/emulator/test/Makefile | 1 | ||||
-rw-r--r-- | erts/emulator/test/map_SUITE.erl | 66 | ||||
-rw-r--r-- | erts/emulator/test/os_signal_SUITE.erl | 5 | ||||
-rw-r--r-- | erts/emulator/test/prim_eval_SUITE.erl | 78 |
17 files changed, 355 insertions, 150 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 49f932a1c2..8be0f58227 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -1324,6 +1324,7 @@ void process_main(Eterm * x_reg_array, FloatDef* f_reg_array) goto do_schedule1; do_schedule: + ASSERT(c_p->arity < 6); ASSERT(c_p->debug_reds_in == REDS_IN(c_p)); if (!ERTS_PROC_GET_SAVED_CALLS_BUF(c_p)) reds_used = REDS_IN(c_p) - FCALLS; @@ -1924,6 +1925,7 @@ void process_main(Eterm * x_reg_array, FloatDef* f_reg_array) erts_smp_proc_unlock(c_p, ERTS_PROC_LOCKS_MSG_RECEIVE); SWAPOUT; c_p->flags &= ~F_DELAY_GC; + c_p->arity = 0; goto do_schedule; /* Will be rescheduled for exit */ } ERTS_SMP_MSGQ_MV_INQ2PRIVQ(c_p); @@ -2166,6 +2168,7 @@ void process_main(Eterm * x_reg_array, FloatDef* f_reg_array) * in limbo forever. */ SWAPOUT; + c_p->arity = 0; goto do_schedule; } #endif diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 56da8703c2..6f50297fc5 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -672,3 +672,4 @@ bif math:floor/1 bif math:ceil/1 bif math:fmod/2 bif os:set_signal/2 +bif erts_internal:maps_to_list/2 diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c index 85db23393c..e567eabc82 100644 --- a/erts/emulator/beam/copy.c +++ b/erts/emulator/beam/copy.c @@ -1990,7 +1990,7 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite if (is_header(val)) { struct erl_off_heap_header* hdr = (struct erl_off_heap_header*)hp; ASSERT(ptr + header_arity(val) < end); - MOVE_BOXED(ptr, val, hp, &dummy_ref); + move_boxed(&ptr, val, &hp, &dummy_ref); switch (val & _HEADER_SUBTAG_MASK) { case REF_SUBTAG: if (is_ordinary_ref_thing(hdr)) @@ -2007,7 +2007,7 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite } else { /* must be a cons cell */ ASSERT(ptr+1 < end); - MOVE_CONS(ptr, val, hp, &dummy_ref); + move_cons(&ptr, val, &hp, &dummy_ref); ptr += 2; } } diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h index 946d3cfe03..6ff71ec6d1 100644 --- a/erts/emulator/beam/erl_binary.h +++ b/erts/emulator/beam/erl_binary.h @@ -156,6 +156,7 @@ typedef union { #include "erl_threads.h" #include "bif.h" #include "erl_bif_unique.h" +#include "erl_bits.h" /* * Maximum number of bytes to place in a heap binary. @@ -163,23 +164,6 @@ typedef union { #define ERL_ONHEAP_BIN_LIMIT 64 -/* - * This structure represents a SUB_BINARY. - * - * Note: The last field (orig) is not counted in arityval in the header. - * This simplifies garbage collection. - */ - -typedef struct erl_sub_bin { - Eterm thing_word; /* Subtag SUB_BINARY_SUBTAG. */ - Uint size; /* Binary size in bytes. */ - Uint offs; /* Offset into original binary. */ - byte bitsize; - byte bitoffs; - byte is_writable; /* The underlying binary is writable */ - Eterm orig; /* Original binary (REFC or HEAP binary). */ -} ErlSubBin; - #define ERL_SUB_BIN_SIZE (sizeof(ErlSubBin)/sizeof(Eterm)) #define HEADER_SUB_BIN _make_header(ERL_SUB_BIN_SIZE-2,_TAG_HEADER_SUB_BIN) diff --git a/erts/emulator/beam/erl_bits.h b/erts/emulator/beam/erl_bits.h index 4bd5b24157..1b4546722f 100644 --- a/erts/emulator/beam/erl_bits.h +++ b/erts/emulator/beam/erl_bits.h @@ -22,6 +22,23 @@ #define __ERL_BITS_H__ /* + * This structure represents a SUB_BINARY. + * + * Note: The last field (orig) is not counted in arityval in the header. + * This simplifies garbage collection. + */ + +typedef struct erl_sub_bin { + Eterm thing_word; /* Subtag SUB_BINARY_SUBTAG. */ + Uint size; /* Binary size in bytes. */ + Uint offs; /* Offset into original binary. */ + byte bitsize; + byte bitoffs; + byte is_writable; /* The underlying binary is writable */ + Eterm orig; /* Original binary (REFC or HEAP binary). */ +} ErlSubBin; + +/* * This structure represents a binary to be matched. */ diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 8cc7fc0142..50805d9cd9 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -1173,7 +1173,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_BOXED(ptr,val,old_htop,g_ptr++); + move_boxed(&ptr,val,&old_htop,g_ptr++); } else { g_ptr++; } @@ -1184,7 +1184,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, if (IS_MOVED_CONS(val)) { /* Moved */ *g_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_CONS(ptr,val,old_htop,g_ptr++); + move_cons(&ptr,val,&old_htop,g_ptr++); } else { g_ptr++; } @@ -1479,9 +1479,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,g_ptr++); + move_boxed(&ptr,val,&old_htop,g_ptr++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,g_ptr++); + move_boxed(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1494,9 +1494,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, if (IS_MOVED_CONS(val)) { /* Moved */ *g_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr,val,old_htop,g_ptr++); + move_cons(&ptr,val,&old_htop,g_ptr++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_CONS(ptr,val,n_htop,g_ptr++); + move_cons(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1538,9 +1538,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, ASSERT(is_boxed(val)); *n_hp++ = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,n_hp++); + move_boxed(&ptr,val,&old_htop,n_hp++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,n_hp++); + move_boxed(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -1552,9 +1552,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, if (IS_MOVED_CONS(val)) { *n_hp++ = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr,val,old_htop,n_hp++); + move_cons(&ptr,val,&old_htop,n_hp++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_CONS(ptr,val,n_htop,n_hp++); + move_cons(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -1574,10 +1574,10 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, *origptr = val; mb->base = binary_bytes(val); } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,origptr); + move_boxed(&ptr,val,&old_htop,origptr); mb->base = binary_bytes(mb->orig); } else if (ErtsInYoungGen(*origptr, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,origptr); + move_boxed(&ptr,val,&n_htop,origptr); mb->base = binary_bytes(mb->orig); } } @@ -1792,7 +1792,7 @@ full_sweep_heaps(Process *p, Eterm* ptr; Eterm val; Eterm gval = *g_ptr; - + switch (primary_tag(gval)) { case TAG_PRIMARY_BOXED: { @@ -1802,7 +1802,7 @@ full_sweep_heaps(Process *p, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (!erts_is_literal(gval, ptr)) { - MOVE_BOXED(ptr,val,n_htop,g_ptr++); + move_boxed(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1815,7 +1815,7 @@ full_sweep_heaps(Process *p, if (IS_MOVED_CONS(val)) { *g_ptr++ = ptr[1]; } else if (!erts_is_literal(gval, ptr)) { - MOVE_CONS(ptr,val,n_htop,g_ptr++); + move_cons(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -2104,7 +2104,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, ASSERT(is_boxed(val)); *n_hp++ = val; } else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) { - MOVE_BOXED(ptr,val,n_htop,n_hp++); + move_boxed(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -2116,7 +2116,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, if (IS_MOVED_CONS(val)) { *n_hp++ = ptr[1]; } else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) { - MOVE_CONS(ptr,val,n_htop,n_hp++); + move_cons(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -2129,7 +2129,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, if (header_is_bin_matchstate(gval)) { ErlBinMatchState *ms = (ErlBinMatchState*) n_hp; ErlBinMatchBuffer *mb = &(ms->mb); - Eterm* origptr; + Eterm* origptr; origptr = &(mb->orig); ptr = boxed_val(*origptr); val = *ptr; @@ -2137,7 +2137,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, *origptr = val; mb->base = binary_bytes(*origptr); } else if (ERTS_IS_IN_SWEEP_AREA(*origptr, ptr)) { - MOVE_BOXED(ptr,val,n_htop,origptr); + move_boxed(&ptr,val,&n_htop,origptr); mb->base = binary_bytes(*origptr); } } @@ -2200,7 +2200,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, ASSERT(is_boxed(val)); *heap_ptr++ = val; } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_BOXED(ptr,val,htop,heap_ptr++); + move_boxed(&ptr,val,&htop,heap_ptr++); } else { heap_ptr++; } @@ -2212,7 +2212,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, if (IS_MOVED_CONS(val)) { *heap_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_CONS(ptr,val,htop,heap_ptr++); + move_cons(&ptr,val,&htop,heap_ptr++); } else { heap_ptr++; } @@ -2233,7 +2233,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, *origptr = val; mb->base = binary_bytes(*origptr); } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_BOXED(ptr,val,htop,origptr); + move_boxed(&ptr,val,&htop,origptr); mb->base = binary_bytes(*origptr); } } @@ -2266,11 +2266,11 @@ move_one_area(Eterm* n_htop, char* src, Uint src_size) ASSERT(val != ERTS_HOLE_MARKER); if (is_header(val)) { ASSERT(ptr + header_arity(val) < end); - MOVE_BOXED(ptr, val, n_htop, &dummy_ref); + move_boxed(&ptr, val, &n_htop, &dummy_ref); } else { /* must be a cons cell */ ASSERT(ptr+1 < end); - MOVE_CONS(ptr, val, n_htop, &dummy_ref); + move_cons(&ptr, val, &n_htop, &dummy_ref); ptr += 2; } } @@ -3256,6 +3256,39 @@ reply_gc_info(void *vgcirp) gcireq_free(vgcirp); } +void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig) { + Eterm *ptr = *pp; + Eterm *htop = *hpp; + Eterm gval; + ErlSubBin *sb = (ErlSubBin *)ptr; + ErlHeapBin *hb = (ErlHeapBin *)htop; + Eterm *real_bin; + byte *bs; + + real_bin = binary_val(follow_moved(sb->orig, (Eterm)0)); + + if (*real_bin == HEADER_PROC_BIN) { + bs = ((ProcBin *) real_bin)->bytes + sb->offs; + } else { + bs = (byte *)(&(((ErlHeapBin *) real_bin)->data)) + sb->offs; + } + + hb->thing_word = header_heap_bin(sb->size); + hb->size = sb->size; + sys_memcpy((byte *)hb->data, bs, sb->size); + + gval = make_boxed(htop); + *orig = gval; + *ptr = gval; + + ptr += ERL_SUB_BIN_SIZE; + htop += heap_bin_size(sb->size); + + *hpp = htop; + *pp = ptr; +} + + Eterm erts_gc_info_request(Process *c_p) { diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h index 1cce426d21..414aff1e06 100644 --- a/erts/emulator/beam/erl_gc.h +++ b/erts/emulator/beam/erl_gc.h @@ -28,44 +28,71 @@ #define ERTS_POTENTIALLY_LONG_GC_HSIZE (128*1024) /* Words */ #include "erl_map.h" +#include "erl_fun.h" +#include "erl_bits.h" #define IS_MOVED_BOXED(x) (!is_header((x))) #define IS_MOVED_CONS(x) (is_non_value((x))) +void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig); -#define MOVE_CONS(PTR,CAR,HTOP,ORIG) \ -do { \ - Eterm gval; \ - \ - HTOP[0] = CAR; /* copy car */ \ - HTOP[1] = PTR[1]; /* copy cdr */ \ - gval = make_list(HTOP); /* new location */ \ - *ORIG = gval; /* redirect original reference */ \ - PTR[0] = THE_NON_VALUE; /* store forwarding indicator */ \ - PTR[1] = gval; /* store forwarding address */ \ - HTOP += 2; /* update tospace htop */ \ -} while(0) - -#define MOVE_BOXED(PTR,HDR,HTOP,ORIG) \ -do { \ - Eterm gval; \ - Sint nelts; \ - \ - ASSERT(is_header(HDR)); \ - nelts = header_arity(HDR); \ - switch ((HDR) & _HEADER_SUBTAG_MASK) { \ - case SUB_BINARY_SUBTAG: nelts++; break; \ - case MAP_SUBTAG: \ - if (is_flatmap_header(HDR)) nelts+=flatmap_get_size(PTR) + 1; \ - else nelts += hashmap_bitcount(MAP_HEADER_VAL(HDR)); \ - break; \ - case FUN_SUBTAG: nelts+=((ErlFunThing*)(PTR))->num_free+1; break; \ - } \ - gval = make_boxed(HTOP); \ - *ORIG = gval; \ - *HTOP++ = HDR; \ - *PTR++ = gval; \ - while (nelts--) *HTOP++ = *PTR++; \ -} while(0) +ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig); +#if ERTS_GLB_INLINE_INCL_FUNC_DEF +ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig) +{ + Eterm *ptr = *pp; + Eterm *htop = *hpp; + Eterm gval; + + htop[0] = car; /* copy car */ + htop[1] = ptr[1]; /* copy cdr */ + gval = make_list(htop); /* new location */ + *orig = gval; /* redirect original reference */ + ptr[0] = THE_NON_VALUE; /* store forwarding indicator */ + ptr[1] = gval; /* store forwarding address */ + *hpp += 2; /* update tospace htop */ +} +#endif + +ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig); +#if ERTS_GLB_INLINE_INCL_FUNC_DEF +ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig) +{ + Eterm gval; + Sint nelts; + Eterm *ptr = *pp; + Eterm *htop = *hpp; + + ASSERT(is_header(hdr)); + nelts = header_arity(hdr); + switch ((hdr) & _HEADER_SUBTAG_MASK) { + case SUB_BINARY_SUBTAG: + { + ErlSubBin *sb = (ErlSubBin *)ptr; + /* convert sub-binary to heap-binary if applicable */ + if (sb->bitsize == 0 && sb->bitoffs == 0 && + sb->is_writable == 0 && sb->size <= sizeof(Eterm) * 3) { + erts_sub_binary_to_heap_binary(pp, hpp, orig); + return; + } + } + nelts++; + break; + case MAP_SUBTAG: + if (is_flatmap_header(hdr)) nelts+=flatmap_get_size(ptr) + 1; + else nelts += hashmap_bitcount(MAP_HEADER_VAL(hdr)); + break; + case FUN_SUBTAG: nelts+=((ErlFunThing*)(ptr))->num_free+1; break; + } + gval = make_boxed(htop); + *orig = gval; + *htop++ = hdr; + *ptr++ = gval; + while (nelts--) *htop++ = *ptr++; + + *hpp = htop; + *pp = ptr; +} +#endif #define ErtsInYoungGen(TPtr, Ptr, OldHeap, OldHeapSz) \ (!erts_is_literal((TPtr), (Ptr)) \ diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c index 9062e44b10..a80f5d6a16 100644 --- a/erts/emulator/beam/erl_map.c +++ b/erts/emulator/beam/erl_map.c @@ -91,7 +91,7 @@ static BIF_RETTYPE hashmap_merge(Process *p, Eterm nodeA, Eterm nodeB, int swap_ static Export hashmap_merge_trap_export; static BIF_RETTYPE maps_merge_trap_1(BIF_ALIST_1); static Uint hashmap_subtree_size(Eterm node); -static Eterm hashmap_to_list(Process *p, Eterm map); +static Eterm hashmap_to_list(Process *p, Eterm map, Sint n); static Eterm hashmap_keys(Process *p, Eterm map); static Eterm hashmap_values(Process *p, Eterm map); static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm node, Eterm *value); @@ -161,13 +161,58 @@ BIF_RETTYPE maps_to_list_1(BIF_ALIST_1) { BIF_RET(res); } else if (is_hashmap(BIF_ARG_1)) { - return hashmap_to_list(BIF_P, BIF_ARG_1); + return hashmap_to_list(BIF_P, BIF_ARG_1, -1); } BIF_P->fvalue = BIF_ARG_1; BIF_ERROR(BIF_P, BADMAP); } +/* erts_internal:maps_to_list/2 + * + * This function should be removed once iterators are in place. + * Never document it. + * Never encourage its usage. + * + * A negative value in ARG 2 means the entire map. + */ + +BIF_RETTYPE erts_internal_maps_to_list_2(BIF_ALIST_2) { + Sint m; + if (term_to_Sint(BIF_ARG_2, &m)) { + if (is_flatmap(BIF_ARG_1)) { + Uint n; + Eterm* hp; + Eterm *ks,*vs, res, tup; + flatmap_t *mp = (flatmap_t*)flatmap_val(BIF_ARG_1); + + ks = flatmap_get_keys(mp); + vs = flatmap_get_values(mp); + n = flatmap_get_size(mp); + + if (m >= 0) { + n = m < n ? m : n; + } + + hp = HAlloc(BIF_P, (2 + 3) * n); + res = NIL; + + while(n--) { + tup = TUPLE2(hp, ks[n], vs[n]); hp += 3; + res = CONS(hp, tup, res); hp += 2; + } + + BIF_RET(res); + } else if (is_hashmap(BIF_ARG_1)) { + return hashmap_to_list(BIF_P, BIF_ARG_1, m); + } + BIF_P->fvalue = BIF_ARG_1; + BIF_ERROR(BIF_P, BADMAP); + } + BIF_ERROR(BIF_P, BADARG); +} + + /* maps:find/2 * return value if key *matches* a key in the map */ @@ -1917,15 +1962,22 @@ BIF_RETTYPE maps_values_1(BIF_ALIST_1) { BIF_ERROR(BIF_P, BADMAP); } -static Eterm hashmap_to_list(Process *p, Eterm node) { +static Eterm hashmap_to_list(Process *p, Eterm node, Sint m) { DECLARE_WSTACK(stack); Eterm *hp, *kv; - Eterm res = NIL; + Eterm tup, res = NIL; + Uint n = hashmap_size(node); - hp = HAlloc(p, hashmap_size(node) * (2 + 3)); + if (m >= 0) { + n = m < n ? m : n; + } + + hp = HAlloc(p, n * (2 + 3)); hashmap_iterator_init(&stack, node, 0); - while ((kv=hashmap_iterator_next(&stack)) != NULL) { - Eterm tup = TUPLE2(hp, CAR(kv), CDR(kv)); + while (n--) { + kv = hashmap_iterator_next(&stack); + ASSERT(kv != NULL); + tup = TUPLE2(hp, CAR(kv), CDR(kv)); hp += 3; res = CONS(hp, tup, res); hp += 2; diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index f20dc68799..baf830615d 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -980,9 +980,11 @@ struct process { Eterm* stop; /* Stack top */ Eterm* heap; /* Heap start */ Eterm* hend; /* Heap end */ + Eterm* abandoned_heap; Uint heap_sz; /* Size of heap in words */ Uint min_heap_size; /* Minimum size of heap (in words). */ Uint min_vheap_size; /* Minimum size of virtual heap (in words). */ + Uint max_heap_size; /* Maximum size of heap (in words). */ #if !defined(NO_FPE_SIGNALS) || defined(HIPE) volatile unsigned long fp_exception; @@ -995,16 +997,6 @@ struct process { #endif /* - * Moved to after "struct hipe_process_state hipe", as a temporary fix for - * LLVM hard-coding offsetof(struct process, hipe.nstack) (sic!) - * (see void X86FrameLowering::adjustForHiPEPrologue(...) in - * lib/Target/X86/X86FrameLowering.cpp). - * - * Used to be below "Eterm* hend". - */ - Eterm* abandoned_heap; - - /* * Saved x registers. */ Uint arity; /* Number of live argument registers (only valid @@ -1083,7 +1075,6 @@ struct process { Eterm *old_hend; /* Heap pointers for generational GC. */ Eterm *old_htop; Eterm *old_heap; - Uint max_heap_size; /* Maximum size of heap (in words). */ Uint16 gen_gcs; /* Number of (minor) generational GCs. */ Uint16 max_gen_gcs; /* Max minor gen GCs before fullsweep. */ ErlOffHeap off_heap; /* Off-heap data updated by copy_struct(). */ diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index ebff564421..ddff862607 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -4887,10 +4887,18 @@ erts_port_control(Process* c_p, copy = 1; else { ProcBin *pb = (ProcBin *) ebinp; + int offset = bufp - pb->val->orig_bytes; - if (pb->flags) + ASSERT(pb->val->orig_bytes <= bufp + && bufp + size <= pb->val->orig_bytes + pb->val->orig_size); + + if (pb->flags) { erts_emasculate_writable_binary(pb); + /* The procbin may have been reallocated, so update bufp */ + bufp = pb->val->orig_bytes + offset; + } + binp = pb->val; ASSERT(bufp <= bufp + size); ASSERT(binp->orig_bytes <= bufp diff --git a/erts/emulator/hipe/hipe_gc.c b/erts/emulator/hipe/hipe_gc.c index cf0435adc9..2311beb34a 100644 --- a/erts/emulator/hipe/hipe_gc.c +++ b/erts/emulator/hipe/hipe_gc.c @@ -91,7 +91,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop) ASSERT(is_boxed(val)); *nsp_i = val; } else if (!erts_is_literal(gval, ptr)) { - MOVE_BOXED(ptr, val, n_htop, nsp_i); + move_boxed(&ptr, val, &n_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -100,7 +100,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop) *nsp_i = ptr[1]; } else if (!erts_is_literal(gval, ptr)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_CONS(ptr, val, n_htop, nsp_i); + move_cons(&ptr, val, &n_htop, nsp_i); } } } @@ -206,10 +206,10 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop) ASSERT(is_boxed(val)); *nsp_i = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr, val, old_htop, nsp_i); + move_boxed(&ptr, val, &old_htop, nsp_i); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_BOXED(ptr, val, n_htop, nsp_i); + move_boxed(&ptr, val, &n_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -217,10 +217,10 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop) if (IS_MOVED_CONS(val)) { *nsp_i = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr, val, old_htop, nsp_i); + move_cons(&ptr, val, &old_htop, nsp_i); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_CONS(ptr, val, n_htop, nsp_i); + move_cons(&ptr, val, &n_htop, nsp_i); } } } @@ -278,7 +278,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area, ASSERT(is_boxed(val)); *nsp_i = val; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_BOXED(ptr, val, old_htop, nsp_i); + move_boxed(&ptr, val, &old_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -286,7 +286,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area, if (IS_MOVED_CONS(val)) { *nsp_i = ptr[1]; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_CONS(ptr, val, old_htop, nsp_i); + move_cons(&ptr, val, &old_htop, nsp_i); } } } diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c index 0706f8d2c9..f11223d8b0 100644 --- a/erts/emulator/hipe/hipe_mode_switch.c +++ b/erts/emulator/hipe/hipe_mode_switch.c @@ -174,33 +174,6 @@ void hipe_mode_switch_init(void) make_catch(beam_catches_cons(hipe_beam_pc_throw, BEAM_CATCHES_NIL)); hipe_mfa_info_table_init(); - -#if (defined(__i386__) || defined(__x86_64__)) && defined(__linux__) - /* Verify that the offset of c-p->hipe does not change. - The ErLLVM hipe backend depends on it being in a specific - position. Kostis et al has promised to fix this in upstream - llvm by OTP 20, so it should be possible to remove these asserts - after that. */ - ERTS_CT_ASSERT(sizeof(ErtsPTabElementCommon) == - (sizeof(Eterm) + /* id */ - sizeof(((ErtsPTabElementCommon*)0)->refc) + - sizeof(ErtsTracer) + /* tracer */ - sizeof(Uint) + /* trace_flags */ - sizeof(erts_smp_atomic_t) + /* timer */ - sizeof(((ErtsPTabElementCommon*)0)->u))); - - ERTS_CT_ASSERT(offsetof(Process, hipe) == - (sizeof(ErtsPTabElementCommon) + /* common */ - sizeof(Eterm*) + /* htop */ - sizeof(Eterm*) + /* stop */ - sizeof(Eterm*) + /* heap */ - sizeof(Eterm*) + /* hend */ - sizeof(Uint) + /* heap_sz */ - sizeof(Uint) + /* min_heap_size */ - sizeof(Uint) + /* min_vheap_size */ - sizeof(volatile unsigned long))); /* fp_exception */ -#endif - } void hipe_set_call_trap(Uint *bfun, void *nfun, int is_closure) diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 0d1ed17449..e836f9bcc8 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -1274,8 +1274,8 @@ signal_dispatcher_thread_func(void *unused) do { res = read(sig_notify_fds[0], (void *) &sb.buf[i], sizeof(int) - i); - i += res; - } while ((i != sizeof(int) && res >= 0) || (res < 0 && errno == EINTR)); + i += res > 0 ? res : 0; + } while ((i < sizeof(int) && res >= 0) || (res < 0 && errno == EINTR)); if (res < 0) { erts_exit(ERTS_ABORT_EXIT, diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile index 6f9827002a..5478932b13 100644 --- a/erts/emulator/test/Makefile +++ b/erts/emulator/test/Makefile @@ -89,6 +89,7 @@ MODULES= \ os_signal_SUITE \ port_SUITE \ port_bif_SUITE \ + prim_eval_SUITE \ process_SUITE \ pseudoknot_SUITE \ receive_SUITE \ diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl index dfa1629112..02f3c89318 100644 --- a/erts/emulator/test/map_SUITE.erl +++ b/erts/emulator/test/map_SUITE.erl @@ -52,6 +52,7 @@ t_bif_map_values/1, t_bif_map_to_list/1, t_bif_map_from_list/1, + t_bif_erts_internal_maps_to_list/1, %% erlang t_erlang_hash/1, @@ -118,6 +119,7 @@ all() -> [t_build_and_match_literals, t_build_and_match_literals_large, t_bif_map_update, t_bif_map_values, t_bif_map_to_list, t_bif_map_from_list, + t_bif_erts_internal_maps_to_list, %% erlang t_erlang_hash, t_map_encode_decode, @@ -2362,23 +2364,55 @@ t_bif_map_from_list(Config) when is_list(Config) -> {'EXIT', {badarg,_}} = (catch maps:from_list(id(42))), ok. -t_bif_build_and_check(Config) when is_list(Config) -> - ok = check_build_and_remove(750,[ - fun(K) -> [K,K] end, - fun(K) -> [float(K),K] end, - fun(K) -> K end, - fun(K) -> {1,K} end, - fun(K) -> {K} end, - fun(K) -> [K|K] end, - fun(K) -> [K,1,2,3,4] end, - fun(K) -> {K,atom} end, - fun(K) -> float(K) end, - fun(K) -> integer_to_list(K) end, - fun(K) -> list_to_atom(integer_to_list(K)) end, - fun(K) -> [K,{K,[K,{K,[K]}]}] end, - fun(K) -> <<K:32>> end - ]), +t_bif_erts_internal_maps_to_list(Config) when is_list(Config) -> + %% small maps + [] = erts_internal:maps_to_list(#{},-1), + [] = erts_internal:maps_to_list(#{},-2), + [] = erts_internal:maps_to_list(#{},10), + [{a,1},{b,2}] = lists:sort(erts_internal:maps_to_list(#{a=>1,b=>2}, 2)), + [{a,1},{b,2}] = lists:sort(erts_internal:maps_to_list(#{a=>1,b=>2}, -1)), + [{_,_}] = erts_internal:maps_to_list(#{a=>1,b=>2}, 1), + [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},-2)), + [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},3)), + [{a,1},{b,2},{c,3}] = lists:sort(erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},5)), + [{_,_},{_,_}] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},2), + [{_,_}] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},1), + [] = erts_internal:maps_to_list(#{c=>3,a=>1,b=>2},0), + + %% big maps + M = maps:from_list([{I,ok}||I <- lists:seq(1,500)]), + [] = erts_internal:maps_to_list(M,0), + [{_,_}] = erts_internal:maps_to_list(M,1), + [{_,_},{_,_}] = erts_internal:maps_to_list(M,2), + Ls1 = erts_internal:maps_to_list(M,10), + 10 = length(Ls1), + Ls2 = erts_internal:maps_to_list(M,20), + 20 = length(Ls2), + Ls3 = erts_internal:maps_to_list(M,120), + 120 = length(Ls3), + Ls4 = erts_internal:maps_to_list(M,-1), + 500 = length(Ls4), + %% error cases + {'EXIT', {{badmap,[{a,b},b]},_}} = (catch erts_internal:maps_to_list(id([{a,b},b]),id(1))), + {'EXIT', {badarg,_}} = (catch erts_internal:maps_to_list(id(#{}),id(a))), + {'EXIT', {badarg,_}} = (catch erts_internal:maps_to_list(id(#{1=>2}),id(<<>>))), + ok. + +t_bif_build_and_check(Config) when is_list(Config) -> + ok = check_build_and_remove(750,[fun(K) -> [K,K] end, + fun(K) -> [float(K),K] end, + fun(K) -> K end, + fun(K) -> {1,K} end, + fun(K) -> {K} end, + fun(K) -> [K|K] end, + fun(K) -> [K,1,2,3,4] end, + fun(K) -> {K,atom} end, + fun(K) -> float(K) end, + fun(K) -> integer_to_list(K) end, + fun(K) -> list_to_atom(integer_to_list(K)) end, + fun(K) -> [K,{K,[K,{K,[K]}]}] end, + fun(K) -> <<K:32>> end]), ok. check_build_and_remove(_,[]) -> ok; diff --git a/erts/emulator/test/os_signal_SUITE.erl b/erts/emulator/test/os_signal_SUITE.erl index 9aa49a453e..6bafb0e18c 100644 --- a/erts/emulator/test/os_signal_SUITE.erl +++ b/erts/emulator/test/os_signal_SUITE.erl @@ -323,7 +323,10 @@ kill(Signal, Pid) -> load_nif(Config) -> Path = proplists:get_value(data_dir, Config), - ok = erlang:load_nif(filename:join(Path,"os_signal_nif"), 0). + case erlang:load_nif(filename:join(Path,"os_signal_nif"), 0) of + ok -> ok; + {error,{reload,_}} -> ok + end. run(Program0, Args) -> run(".", Program0, Args). run(Cwd, Program0, Args) when is_list(Cwd) -> diff --git a/erts/emulator/test/prim_eval_SUITE.erl b/erts/emulator/test/prim_eval_SUITE.erl new file mode 100644 index 0000000000..3f4965f96d --- /dev/null +++ b/erts/emulator/test/prim_eval_SUITE.erl @@ -0,0 +1,78 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2017. 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(prim_eval_SUITE). +-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, + init_per_testcase/2, end_per_testcase/2, + init_per_group/2, end_per_group/2]). + +-export(['ERL-365'/1]). + +init_per_testcase(_Case, Config) -> + Config. + +end_per_testcase(_Case, _Config) -> + ok. + +suite() -> + [{ct_hooks,[ts_install_cth]}, + {timetrap,{minutes,1}}]. + +groups() -> + []. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. + +all() -> + ['ERL-365']. + +'ERL-365'(Config) when is_list(Config) -> + %% def_arg_reg[0] is used for storage of timeout instruction + %% when a 'receive after' is executed. When a process was + %% scheduled out inside prim_eval:'receive'/0 due to a function + %% call, def_arg_reg[0] was overwritten due to storage of live + %% registers. + P = spawn_link(fun () -> + prim_eval:'receive'(fun (_M) -> + erlang:bump_reductions((1 bsl 27)-1), + id(true), + nomatch + end, + 200) + end), + receive after 100 -> ok end, + P ! {wont, match}, + receive after 200 -> ok end, + ok. + + + +id(X) -> + X. |