diff options
Diffstat (limited to 'erts/emulator')
30 files changed, 419 insertions, 84 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c index 23b267d5cd..b0bf14b94f 100644 --- a/erts/emulator/beam/beam_debug.c +++ b/erts/emulator/beam/beam_debug.c @@ -125,7 +125,7 @@ erts_debug_breakpoint_2(Process* p, Eterm MFA, Eterm bool) BIF_ERROR(p, BADARG); } -#if 0 /* XXX:PaN - not used */ +#if 0 /* Kept for conveninence when hard debugging. */ void debug_dump_code(BeamInstr *I, int num) { BeamInstr *code_ptr = I; diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 260f349563..8a0e12dd4f 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -3390,7 +3390,7 @@ apply_bif_or_nif_epilogue: pb->val = bptr; pb->bytes = (byte*) bptr->orig_bytes; pb->flags = 0; - MSO(c_p).overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(c_p)), pb->size / sizeof(Eterm)); new_binary = make_binary(pb); goto do_bits_sub_bin; } @@ -3492,7 +3492,7 @@ apply_bif_or_nif_epilogue: pb->bytes = (byte*) bptr->orig_bytes; pb->flags = 0; - MSO(c_p).overhead += tmp_arg1 / sizeof(Eterm); + OH_OVERHEAD(&(MSO(c_p)), tmp_arg1 / sizeof(Eterm)); StoreBifResult(2, make_binary(pb)); } @@ -4373,7 +4373,7 @@ apply_bif_or_nif_epilogue: ASSERT(is_CP((BeamInstr)(ep->code))); ASSERT(is_internal_pid(c_p->tracer_proc) || is_internal_port(c_p->tracer_proc)); - E[2] = make_cp(c_p->cp); /* XXX:PaN - code in lower range on halfword */ + E[2] = make_cp(c_p->cp); /* Code in lower range on halfword */ E[1] = am_true; /* Process tracer */ E[0] = make_cp(ep->code); c_p->cp = (flags & MATCH_SET_EXCEPTION_TRACE) @@ -4889,7 +4889,7 @@ apply_bif_or_nif_epilogue: neg_o_reds = -c_p->def_arg_reg[4]; FCALLS = c_p->fcalls; SWAPIN; - switch( c_p->def_arg_reg[3] ) { /* XXX:PaN - Halfword wont work with hipe yet... */ + switch( c_p->def_arg_reg[3] ) { /* Halfword wont work with hipe yet! */ case HIPE_MODE_SWITCH_RES_RETURN: ASSERT(is_value(reg[0])); MoveReturn(reg[0], r(0)); diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 30f276b95a..74777e4c26 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -1566,7 +1566,8 @@ load_code(LoaderState* stp) case 0: /* Floating point number */ { Eterm* hp; -#if !defined(ARCH_64) || HALFWORD_HEAP /* XXX:PaN - Should use ARCH_64 variant instead */ +/* XXX:PaN - Halfword should use ARCH_64 variant instead */ +#if !defined(ARCH_64) || HALFWORD_HEAP Uint high, low; # endif last_op->a[arg].val = new_literal(stp, &hp, @@ -1933,7 +1934,7 @@ load_code(LoaderState* stp) } code[ci++] = (BeamInstr) stp->import[i].bf; break; - case 'P': /* Byte offset into tuple */ /* XXX:PaN - * sizeof(Eterm or Eterm *) ? */ + case 'P': /* Byte offset into tuple */ VerifyTag(stp, tag, TAG_u); tmp = tmp_op->a[arg].val; code[ci++] = (BeamInstr) ((tmp_op->a[arg].val+1) * sizeof(Eterm)); diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index 2d250f32cf..ff15d834ab 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -1881,6 +1881,9 @@ term_to_Uint(Eterm term, Uint *up) int term_to_UWord(Eterm term, UWord *up) { +#if SIZEOF_VOID_P == ERTS_SIZEOF_ETERM + return term_to_Uint(term,up); +#else if (is_small(term)) { Sint i = signed_val(term); if (i < 0) { @@ -1903,7 +1906,47 @@ term_to_UWord(Eterm term, UWord *up) return 0; } while (xl-- > 0) { - uval |= ((Uint)(*xr++)) << n; + uval |= ((UWord)(*xr++)) << n; + n += D_EXP; + } + *up = uval; + return 1; + } else { + *up = BADARG; + return 0; + } +#endif +} + +int +term_to_Uint64(Eterm term, Uint64 *up) +{ +#if SIZEOF_VOID_P == 8 + return term_to_UWord(term,up); +#else + if (is_small(term)) { + Sint i = signed_val(term); + if (i < 0) { + *up = BADARG; + return 0; + } + *up = (Uint64) i; + return 1; + } else if (is_big(term)) { + ErtsDigit* xr = big_v(term); + dsize_t xl = big_size(term); + Uint64 uval = 0; + int n = 0; + + if (big_sign(term)) { + *up = BADARG; + return 0; + } else if (xl*D_EXP > sizeof(Uint64)*8) { + *up = SYSTEM_LIMIT; + return 0; + } + while (xl-- > 0) { + uval |= ((Uint64)(*xr++)) << n; n += D_EXP; } *up = uval; @@ -1912,8 +1955,10 @@ term_to_UWord(Eterm term, UWord *up) *up = BADARG; return 0; } +#endif } + int term_to_Sint(Eterm term, Sint *sp) { if (is_small(term)) { @@ -1948,6 +1993,47 @@ int term_to_Sint(Eterm term, Sint *sp) } } +#if HAVE_INT64 +int term_to_Sint64(Eterm term, Sint64 *sp) +{ +#if ERTS_SIZEOF_ETERM == 8 + return term_to_Sint(term, sp); +#else + if (is_small(term)) { + *sp = signed_val(term); + return 1; + } else if (is_big(term)) { + ErtsDigit* xr = big_v(term); + dsize_t xl = big_size(term); + int sign = big_sign(term); + Uint64 uval = 0; + int n = 0; + + if (xl*D_EXP > sizeof(Uint64)*8) { + return 0; + } + while (xl-- > 0) { + uval |= ((Uint64)(*xr++)) << n; + n += D_EXP; + } + if (sign) { + uval = -uval; + if ((Sint64)uval > 0) + return 0; + } else { + if ((Sint64)uval < 0) + return 0; + } + *sp = uval; + return 1; + } else { + return 0; + } +#endif +} +#endif /* HAVE_INT64 */ + + /* ** Add and subtract */ diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h index 56f3be372a..25466cd3c2 100644 --- a/erts/emulator/beam/big.h +++ b/erts/emulator/beam/big.h @@ -152,6 +152,10 @@ byte* big_to_bytes(Eterm, byte*); int term_to_Uint(Eterm, Uint*); int term_to_UWord(Eterm, UWord*); int term_to_Sint(Eterm, Sint*); +#if HAVE_INT64 +int term_to_Uint64(Eterm, Uint64*); +int term_to_Sint64(Eterm, Sint64*); +#endif Uint32 big_to_uint32(Eterm b); int term_equals_2pow32(Eterm); diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c index 3fd714f9c2..8ee8fbcb29 100644 --- a/erts/emulator/beam/binary.c +++ b/erts/emulator/beam/binary.c @@ -97,7 +97,7 @@ new_binary(Process *p, byte *buf, int len) /* * Miscellanous updates. Return the tagged binary. */ - MSO(p).overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm)); return make_binary(pb); } @@ -136,7 +136,7 @@ Eterm erts_new_mso_binary(Process *p, byte *buf, int len) /* * Miscellanous updates. Return the tagged binary. */ - MSO(p).overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm)); return make_binary(pb); } diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c index 57be0169ba..8bee47232e 100644 --- a/erts/emulator/beam/copy.c +++ b/erts/emulator/beam/copy.c @@ -317,7 +317,7 @@ copy_struct(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) pb->next = off_heap->first; pb->flags = 0; off_heap->first = (struct erl_off_heap_header*) pb; - off_heap->overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(off_heap, pb->size / sizeof(Eterm)); } break; case SUB_BINARY_SUBTAG: @@ -366,7 +366,7 @@ copy_struct(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) to->next = off_heap->first; to->flags = 0; off_heap->first = (struct erl_off_heap_header*) to; - off_heap->overhead += to->size / sizeof(Eterm); + OH_OVERHEAD(off_heap, to->size / sizeof(Eterm)); } *argp = make_binary(hbot); if (extra_bytes != 0) { @@ -652,7 +652,7 @@ Eterm copy_struct_lazy(Process *from, Eterm orig, Uint offs) erts_refc_inc(&pb->val->refc, 2); pb->next = erts_global_offheap.first; erts_global_offheap.first = pb; - erts_global_offheap.overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(off_heap, pb->size / sizeof(Eterm)); continue; } @@ -777,7 +777,7 @@ Eterm copy_struct_lazy(Process *from, Eterm orig, Uint offs) to_bin->bytes = from_bin->bytes + sub_offset; to_bin->next = erts_global_offheap.first; erts_global_offheap.first = to_bin; - erts_global_offheap.overhead += to_bin->size / sizeof(Eterm); + OH_OVERHEAD(&erts_global_offheap, to_bin->size / sizeof(Eterm)); res_binary=make_binary(to_bin); hp += PROC_BIN_SIZE; } @@ -912,7 +912,7 @@ copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) { ProcBin* pb = (ProcBin *) (tp-1); erts_refc_inc(&pb->val->refc, 2); - off_heap->overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(off_heap, pb->size / sizeof(Eterm)); } goto off_heap_common; @@ -977,7 +977,7 @@ void move_multi_frags(Eterm** hpp, ErlOffHeap* off_heap, ErlHeapFragment* first, for (bp=first; bp!=NULL; bp=bp->next) { move_one_frag(hpp, bp->mem, bp->used_size, off_heap); - off_heap->overhead += bp->off_heap.overhead; + OH_OVERHEAD(off_heap, bp->off_heap.overhead); } hp_end = *hpp; for (hp=hp_start; hp<hp_end; ++hp) { diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c index be691317ee..12c7631448 100644 --- a/erts/emulator/beam/erl_async.c +++ b/erts/emulator/beam/erl_async.c @@ -70,7 +70,6 @@ static ErlAsync* async_ready_list = NULL; /* Detach from driver */ static void async_detach(DE_Handle* dh) { - /* XXX:PaN what should happen here? we want to unload the driver or??? */ return; } @@ -176,7 +175,6 @@ int exit_async() static void async_add(ErlAsync* a, AsyncQueue* q) { - /* XXX:PaN Is this still necessary when ports lock drivers? */ if (is_internal_port(a->port)) { ERTS_LC_ASSERT(erts_drvportid2port(a->port)); /* make sure the driver will stay around */ diff --git a/erts/emulator/beam/erl_bif_binary.c b/erts/emulator/beam/erl_bif_binary.c index 1d8fd11b7b..024ff2a684 100644 --- a/erts/emulator/beam/erl_bif_binary.c +++ b/erts/emulator/beam/erl_bif_binary.c @@ -2517,7 +2517,7 @@ BIF_RETTYPE binary_copy_trap(BIF_ALIST_2) pb->bytes = t; pb->flags = 0; - MSO(BIF_P).overhead += target_size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(BIF_P)), target_size / sizeof(Eterm)); BUMP_REDS(BIF_P,(pos - opos) / BINARY_COPY_LOOP_FACTOR); BIF_RET(make_binary(pb)); @@ -2551,7 +2551,8 @@ BIF_RETTYPE binary_referenced_byte_size_1(BIF_ALIST_1) } pb = (ProcBin *) binary_val(bin); if (pb->thing_word == HEADER_PROC_BIN) { - res = erts_make_integer((Uint) pb->val->orig_size, BIF_P); /* XXX:PaN Halfword? orig_size is a long */ + /* XXX:PaN - Halfword - orig_size is a long, we should handle that */ + res = erts_make_integer((Uint) pb->val->orig_size, BIF_P); } else { /* heap binary */ res = erts_make_integer((Uint) ((ErlHeapBin *) pb)->size, BIF_P); } diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c index 9d5f0d9c02..2c2e283f65 100644 --- a/erts/emulator/beam/erl_bif_ddll.c +++ b/erts/emulator/beam/erl_bif_ddll.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2006-2009. All Rights Reserved. + * Copyright Ericsson AB 2006-2010. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -1646,7 +1646,8 @@ static int do_unload_driver_entry(DE_Handle *dh, Eterm *save_name) if (save_name != NULL) { *save_name = mkatom(q->name); } - /* XXX:PaN Future locking problems? Don't dare to let go of the diver_list lock here!*/ + /* Future locking problems? Don't dare to let go of the + diver_list lock here!*/ if (q->finish) { int fpe_was_unmasked = erts_block_fpe(); (*(q->finish))(); diff --git a/erts/emulator/beam/erl_bits.c b/erts/emulator/beam/erl_bits.c index 96faa673f6..88d2c06246 100644 --- a/erts/emulator/beam/erl_bits.c +++ b/erts/emulator/beam/erl_bits.c @@ -1340,7 +1340,7 @@ erts_bs_append(Process* c_p, Eterm* reg, Uint live, Eterm build_size_term, pb->val = bptr; pb->bytes = (byte*) bptr->orig_bytes; pb->flags = PB_IS_WRITABLE | PB_ACTIVE_WRITER; - MSO(c_p).overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(c_p)), pb->size / sizeof(Eterm)); /* * Now allocate the sub binary and set its size to include the @@ -1511,7 +1511,7 @@ erts_bs_init_writable(Process* p, Eterm sz) pb->val = bptr; pb->bytes = (byte*) bptr->orig_bytes; pb->flags = PB_IS_WRITABLE | PB_ACTIVE_WRITER; - MSO(p).overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm)); /* * Now allocate the sub binary. diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index 08117bb6e5..5abd2e50fa 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -2745,6 +2745,7 @@ static void db_finalize_dbterm_hash(DbUpdateHandle* handle) ASSERT(&oldp->dbterm == handle->dbterm); if (handle->mustResize) { + ErlOffHeap tmp_offheap; Eterm* top; Eterm copy; DbTerm* newDbTerm; @@ -2755,14 +2756,15 @@ static void db_finalize_dbterm_hash(DbUpdateHandle* handle) newDbTerm = &newp->dbterm; newDbTerm->size = handle->new_size; - newDbTerm->off_heap.first = NULL; - newDbTerm->off_heap.overhead = 0; + tmp_offheap.first = NULL; + tmp_offheap.overhead = 0; /* make a flat copy */ top = DBTERM_BUF(newDbTerm); copy = copy_struct(make_tuple(handle->dbterm->tpl), handle->new_size, - &top, &newDbTerm->off_heap); + &top, &tmp_offheap); + newDbTerm->first_oh = tmp_offheap.first; DBTERM_SET_TPL(newDbTerm,tuple_val(copy)); WUNLOCK_HASH(lck); @@ -2805,7 +2807,11 @@ void db_foreach_offheap_hash(DbTable *tbl, for (i = 0; i < nactive; i++) { list = BUCKET(tb,i); while(list != 0) { - (*func)(&(list->dbterm.off_heap), arg); + ErlOffHeap tmp_offheap; + tmp_offheap.first = list->dbterm.first_oh; + tmp_offheap.overhead = 0; + (*func)(&tmp_offheap, arg); + list->dbterm.first_oh = tmp_offheap.first; list = list->next; } } diff --git a/erts/emulator/beam/erl_db_tree.c b/erts/emulator/beam/erl_db_tree.c index da2696163a..5644e85f97 100644 --- a/erts/emulator/beam/erl_db_tree.c +++ b/erts/emulator/beam/erl_db_tree.c @@ -1818,10 +1818,14 @@ do_db_tree_foreach_offheap(TreeDbTerm *tdbt, void (*func)(ErlOffHeap *, void *), void * arg) { + ErlOffHeap tmp_offheap; if(!tdbt) return; do_db_tree_foreach_offheap(tdbt->left, func, arg); - (*func)(&(tdbt->dbterm.off_heap), arg); + tmp_offheap.first = tdbt->dbterm.first_oh; + tmp_offheap.overhead = 0; + (*func)(&tmp_offheap, arg); + tdbt->dbterm.first_oh = tmp_offheap.first; do_db_tree_foreach_offheap(tdbt->right, func, arg); } @@ -2575,6 +2579,7 @@ static int db_lookup_dbterm_tree(DbTable *tbl, Eterm key, DbUpdateHandle* handle static void db_finalize_dbterm_tree(DbUpdateHandle* handle) { if (handle->mustResize) { + ErlOffHeap tmp_offheap; Eterm* top; Eterm copy; DbTerm* newDbTerm; @@ -2589,14 +2594,15 @@ static void db_finalize_dbterm_tree(DbUpdateHandle* handle) newDbTerm = &newp->dbterm; newDbTerm->size = handle->new_size; - newDbTerm->off_heap.first = NULL; - newDbTerm->off_heap.overhead = 0; + tmp_offheap.first = NULL; + tmp_offheap.overhead = 0; /* make a flat copy */ top = DBTERM_BUF(newDbTerm); copy = copy_struct(make_tuple(handle->dbterm->tpl), handle->new_size, - &top, &newDbTerm->off_heap); + &top, &tmp_offheap); + newDbTerm->first_oh = tmp_offheap.first; DBTERM_SET_TPL(newDbTerm,tuple_val(copy)); db_free_term_data(handle->dbterm); diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 48e0080525..2f34561234 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -1733,8 +1733,7 @@ restart: FAIL(); ep = termp; break; - case matchArrayBind: /* When the array size is unknown. */ /* XXX:PaN - where does - this array come from? */ + case matchArrayBind: /* When the array size is unknown. */ n = *pc++; hp[n] = dpm_array_to_list(psp, termp, arity); break; @@ -2452,9 +2451,13 @@ void* db_get_term(DbTableCommon *tb, DbTerm* old, Uint offset, Eterm obj) DbTerm* p; Eterm copy; Eterm *top; + ErlOffHeap tmp_offheap; if (old != 0) { - erts_cleanup_offheap(&old->off_heap); + tmp_offheap.first = old->first_oh; + tmp_offheap.overhead = 0; + erts_cleanup_offheap(&tmp_offheap); + old->first_oh = tmp_offheap.first; if (size == old->size) { p = old; } else { @@ -2490,11 +2493,12 @@ void* db_get_term(DbTableCommon *tb, DbTerm* old, Uint offset, Eterm obj) p = (DbTerm*) ((void *)(((char *) structp) + offset)); } p->size = size; - p->off_heap.first = NULL; - p->off_heap.overhead = 0; + tmp_offheap.first = NULL; + tmp_offheap.overhead = 0; top = DBTERM_BUF(p); - copy = copy_struct(obj, size, &top, &p->off_heap); + copy = copy_struct(obj, size, &top, &tmp_offheap); + p->first_oh = tmp_offheap.first; DBTERM_SET_TPL(p,tuple_val(copy)); return structp; @@ -2503,7 +2507,10 @@ void* db_get_term(DbTableCommon *tb, DbTerm* old, Uint offset, Eterm obj) void db_free_term_data(DbTerm* p) { - erts_cleanup_offheap(&p->off_heap); + ErlOffHeap tmp_offheap; + tmp_offheap.first = p->first_oh; + tmp_offheap.overhead = 0; + erts_cleanup_offheap(&tmp_offheap); } diff --git a/erts/emulator/beam/erl_db_util.h b/erts/emulator/beam/erl_db_util.h index 672c5f2cd1..0f333e8b34 100644 --- a/erts/emulator/beam/erl_db_util.h +++ b/erts/emulator/beam/erl_db_util.h @@ -57,7 +57,7 @@ * A datatype for a database entry stored out of a process heap */ typedef struct db_term { - ErlOffHeap off_heap; /* Off heap data for term. */ + struct erl_off_heap_header* first_oh; /* Off heap data for term. */ Uint size; /* Size of term in "words" */ Eterm tpl[1]; /* Untagged "constant pointer" to top tuple */ /* (assumed to be first in buffer) */ diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index adc50675bf..0f4d2a2ef9 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -743,7 +743,10 @@ minor_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl) * is large enough. */ - if (OLD_HEAP(p) && mature <= OLD_HEND(p) - OLD_HTOP(p)) { + if (OLD_HEAP(p) && + ((mature <= OLD_HEND(p) - OLD_HTOP(p)) && + ((BIN_VHEAP_MATURE(p) < ( BIN_OLD_VHEAP_SZ(p) - BIN_OLD_VHEAP(p)))) && + ((BIN_OLD_VHEAP_SZ(p) > BIN_OLD_VHEAP(p))) ) ) { ErlMessage *msgp; Uint size_after; Uint need_after; @@ -1982,8 +1985,8 @@ shrink_new_heap(Process *p, Uint new_sz, Eterm *objv, int nobj) HEAP_SIZE(p) = new_sz; } -static Uint -do_next_vheap_size(Uint vheap, Uint vheap_sz) { +static Uint64 +do_next_vheap_size(Uint64 vheap, Uint64 vheap_sz) { /* grow * @@ -2000,27 +2003,33 @@ do_next_vheap_size(Uint vheap, Uint vheap_sz) { * ---------------------- */ - if (vheap > (Uint) (vheap_sz*3/4)) { + if ((Uint64) vheap/3 > (Uint64) (vheap_sz/4)) { + Uint64 new_vheap_sz = vheap_sz; - while(vheap > (Uint) (vheap_sz*3/4)) { - vheap_sz = vheap_sz*2; + while((Uint64) vheap/3 > (Uint64) (vheap_sz/4)) { + /* the golden ratio = 1.618 */ + new_vheap_sz = (Uint64) vheap_sz * 1.618; + if (new_vheap_sz < vheap_sz ) { + return vheap_sz; + } + vheap_sz = new_vheap_sz; } - return erts_next_heap_size(vheap_sz, 0); + return vheap_sz; } - if (vheap < (Uint) (vheap_sz/4)) { - return erts_next_heap_size((Uint) (vheap_sz / 2), 0); + if (vheap < (Uint64) (vheap_sz/4)) { + return (vheap_sz >> 1); } return vheap_sz; } -static Uint -next_vheap_size(Process* p, Uint vheap, Uint vheap_sz) { - vheap_sz = do_next_vheap_size(vheap, vheap_sz); - return vheap_sz < p->min_vheap_size ? p->min_vheap_size : vheap_sz; +static Uint64 +next_vheap_size(Process* p, Uint64 vheap, Uint64 vheap_sz) { + Uint64 new_vheap_sz = do_next_vheap_size(vheap, vheap_sz); + return new_vheap_sz < p->min_vheap_size ? p->min_vheap_size : new_vheap_sz; } struct shrink_cand_data { @@ -2079,7 +2088,7 @@ link_live_proc_bin(struct shrink_cand_data *shrink, } -static void +static void sweep_off_heap(Process *p, int fullsweep) { struct shrink_cand_data shrink = {0}; @@ -2087,7 +2096,7 @@ sweep_off_heap(Process *p, int fullsweep) struct erl_off_heap_header** prev; char* oheap = NULL; Uint oheap_sz = 0; - Uint bin_vheap = 0; + Uint64 bin_vheap = 0; #ifdef DEBUG int seen_mature = 0; #endif @@ -2171,13 +2180,12 @@ sweep_off_heap(Process *p, int fullsweep) } } - if (BIN_OLD_VHEAP(p) >= BIN_OLD_VHEAP_SZ(p)) { - FLAGS(p) |= F_NEED_FULLSWEEP; + if (fullsweep) { + BIN_OLD_VHEAP_SZ(p) = next_vheap_size(p, BIN_OLD_VHEAP(p) + MSO(p).overhead, BIN_OLD_VHEAP_SZ(p)); } - - BIN_VHEAP_SZ(p) = next_vheap_size(p, bin_vheap, BIN_VHEAP_SZ(p)); - BIN_OLD_VHEAP_SZ(p) = next_vheap_size(p, BIN_OLD_VHEAP(p), BIN_OLD_VHEAP_SZ(p)); - MSO(p).overhead = bin_vheap; + BIN_VHEAP_SZ(p) = next_vheap_size(p, bin_vheap, BIN_VHEAP_SZ(p)); + MSO(p).overhead = bin_vheap; + BIN_VHEAP_MATURE(p) = bin_vheap; /* * If we got any shrink candidates, check them out. diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index 99cc80e259..d6138fa4e4 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -1258,7 +1258,6 @@ erts_lc_init_lock(erts_lc_lock_t *lck, char *name, Uint16 flags) { lck->id = erts_lc_get_lock_order_id(name); - /* XXX:PaN What to do with the extra information? */ lck->extra = make_boxed(&lck->extra); lck->flags = flags; lck->inited = ERTS_LC_INITITALIZED; diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index 1f61dca230..82f272d28a 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -220,7 +220,7 @@ link_mbuf_to_proc(Process *proc, ErlHeapFragment *bp) *next_p = MSO(proc).first; MSO(proc).first = bp->off_heap.first; bp->off_heap.first = NULL; - MSO(proc).overhead += bp->off_heap.overhead; + OH_OVERHEAD(&(MSO(proc)), bp->off_heap.overhead); } } } @@ -535,7 +535,7 @@ erts_move_msg_mbuf_to_heap(Eterm** hpp, ErlOffHeap* off_heap, ErlMessage *msg) goto copy_done; } - off_heap->overhead += bp->off_heap.overhead; + OH_OVERHEAD(off_heap, bp->off_heap.overhead); sz = bp->used_size; ASSERT(is_immed(term) || in_heapfrag(ptr_val(term),bp)); diff --git a/erts/emulator/beam/erl_message.h b/erts/emulator/beam/erl_message.h index 55ea92860a..5aca0db6fe 100644 --- a/erts/emulator/beam/erl_message.h +++ b/erts/emulator/beam/erl_message.h @@ -37,9 +37,13 @@ struct erl_off_heap_header { struct erl_off_heap_header* next; }; +#define OH_OVERHEAD(oh, size) do { \ + (oh)->overhead += size; \ +} while(0) + typedef struct erl_off_heap { struct erl_off_heap_header* first; - int overhead; /* Administrative overhead (used to force GC). */ + Uint64 overhead; /* Administrative overhead (used to force GC). */ } ErlOffHeap; #include "external.h" diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index e95d9c4f75..1dd9c8bd4a 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -631,7 +631,7 @@ Eterm enif_make_binary(ErlNifEnv* env, ErlNifBinary* bin) pb->bytes = (byte*) bptr->orig_bytes; pb->flags = 0; - MSO(env->proc).overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(env->proc)), pb->size / sizeof(Eterm)); bin_term = make_binary(pb); if (erts_refc_read(&bptr->refc, 1) == 1) { /* Total ownership transfer */ @@ -750,7 +750,19 @@ int enif_get_ulong(ErlNifEnv* env, Eterm term, unsigned long* ip) #endif } -int enif_get_double(ErlNifEnv* env, Eterm term, double* dp) +#if HAVE_INT64 && SIZEOF_LONG != 8 +int enif_get_int64(ErlNifEnv* env, ERL_NIF_TERM term, ErlNifSInt64* ip) +{ + return term_to_Sint64(term, ip); +} + +int enif_get_uint64(ErlNifEnv* env, ERL_NIF_TERM term, ErlNifUInt64* ip) +{ + return term_to_Uint64(term, ip); +} +#endif /* HAVE_INT64 && SIZEOF_LONG != 8 */ + +int enif_get_double(ErlNifEnv* env, ERL_NIF_TERM term, double* dp) { FloatDef f; if (is_not_float(term)) { @@ -817,6 +829,26 @@ ERL_NIF_TERM enif_make_ulong(ErlNifEnv* env, unsigned long i) return IS_USMALL(0,i) ? make_small(i) : uint_to_big(i,alloc_heap(env,2)); } +#if HAVE_INT64 && SIZEOF_LONG != 8 +ERL_NIF_TERM enif_make_int64(ErlNifEnv* env, ErlNifSInt64 i) +{ + Uint* hp; + Uint need = 0; + erts_bld_sint64(NULL, &need, i); + hp = alloc_heap(env, need); + return erts_bld_sint64(&hp, NULL, i); +} + +ERL_NIF_TERM enif_make_uint64(ErlNifEnv* env, ErlNifUInt64 i) +{ + Uint* hp; + Uint need = 0; + erts_bld_uint64(NULL, &need, i); + hp = alloc_heap(env, need); + return erts_bld_uint64(&hp, NULL, i); +} +#endif /* HAVE_INT64 && SIZEOF_LONG != 8 */ + ERL_NIF_TERM enif_make_double(ErlNifEnv* env, double d) { Eterm* hp = alloc_heap(env,FLOAT_SIZE_OBJECT); diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index 936f03bce1..ee3a7cd5f4 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -66,6 +66,19 @@ extern "C" { #endif +#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_)) +typedef unsigned __int64 ErlNifUInt64; +typedef __int64 ErlNifSInt64; +#elif SIZEOF_LONG == 8 +typedef unsigned long ErlNifUInt64; +typedef long ErlNifSInt64; +#elif SIZEOF_LONG_LONG == 8 +typedef unsigned long long ErlNifUInt64; +typedef long long ErlNifSInt64; +#else +#error No 64-bit integer type +#endif + #ifdef HALFWORD_HEAP_EMULATOR typedef unsigned int ERL_NIF_TERM; #else diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index ef4e9580b0..eca506593d 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -122,6 +122,12 @@ ERL_NIF_API_FUNC_DECL(ErlNifPid*,enif_self,(ErlNifEnv* caller_env, ErlNifPid* pi ERL_NIF_API_FUNC_DECL(int,enif_get_local_pid,(ErlNifEnv* env, ERL_NIF_TERM, ErlNifPid* pid)); ERL_NIF_API_FUNC_DECL(void,enif_keep_resource,(void* obj)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_resource_binary,(ErlNifEnv*,void* obj,const void* data, size_t size)); +#if SIZEOF_LONG != 8 +ERL_NIF_API_FUNC_DECL(int,enif_get_int64,(ErlNifEnv*, ERL_NIF_TERM term, ErlNifSInt64* ip)); +ERL_NIF_API_FUNC_DECL(int,enif_get_uint64,(ErlNifEnv*, ERL_NIF_TERM term, ErlNifUInt64* ip)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_int64,(ErlNifEnv*, ErlNifSInt64)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_uint64,(ErlNifEnv*, ErlNifUInt64)); +#endif /* ** Add last to keep compatibility on Windows!!! @@ -230,6 +236,13 @@ ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_resource_binary,(ErlNifEnv*,void* o # define enif_get_local_pid ERL_NIF_API_FUNC_MACRO(enif_get_local_pid) # define enif_keep_resource ERL_NIF_API_FUNC_MACRO(enif_keep_resource) # define enif_make_resource_binary ERL_NIF_API_FUNC_MACRO(enif_make_resource_binary) +#if SIZEOF_LONG != 8 +# define enif_get_int64 ERL_NIF_API_FUNC_MACRO(enif_get_int64) +# define enif_get_uint64 ERL_NIF_API_FUNC_MACRO(enif_get_uint64) +# define enif_make_int64 ERL_NIF_API_FUNC_MACRO(enif_make_int64) +# define enif_make_uint64 ERL_NIF_API_FUNC_MACRO(enif_make_uint64) +#endif + #endif #ifndef enif_make_list1 @@ -253,5 +266,13 @@ ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_resource_binary,(ErlNifEnv*,void* o # define enif_make_tuple9(ENV,E1,E2,E3,E4,E5,E6,E7,E8,E9) enif_make_tuple(ENV,9,E1,E2,E3,E4,E5,E6,E7,E8,E9) # define enif_make_pid(ENV, PID) ((const ERL_NIF_TERM)((PID)->pid)) + +#if SIZEOF_LONG == 8 +# define enif_get_int64 enif_get_long +# define enif_get_uint64 enif_get_ulong +# define enif_make_int64 enif_make_long +# define enif_make_uint64 enif_make_ulong +#endif + #endif diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 0417109a8a..761096e9ad 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -7840,6 +7840,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). p->bin_vheap_sz = p->min_vheap_size; p->bin_old_vheap_sz = p->min_vheap_size; p->bin_old_vheap = 0; + p->bin_vheap_mature = 0; /* No need to initialize p->fcalls. */ @@ -8092,6 +8093,7 @@ void erts_init_empty_process(Process *p) p->bin_vheap_sz = BIN_VH_MIN_SIZE; p->bin_old_vheap_sz = BIN_VH_MIN_SIZE; p->bin_old_vheap = 0; + p->bin_vheap_mature = 0; #ifdef ERTS_SMP p->u.ptimer = NULL; p->bound_runq = NULL; diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 0cc4a715ad..e49710a7ed 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -537,6 +537,7 @@ struct ErtsPendingSuspend_ { # define MIN_VHEAP_SIZE(p) (p)->min_vheap_size # define BIN_VHEAP_SZ(p) (p)->bin_vheap_sz +# define BIN_VHEAP_MATURE(p) (p)->bin_vheap_mature # define BIN_OLD_VHEAP_SZ(p) (p)->bin_old_vheap_sz # define BIN_OLD_VHEAP(p) (p)->bin_old_vheap @@ -654,9 +655,10 @@ struct process { Uint mbuf_sz; /* Size of all message buffers */ ErtsPSD *psd; /* Rarely used process specific data */ - Uint bin_vheap_sz; /* Virtual heap block size for binaries */ - Uint bin_old_vheap_sz; /* Virtual old heap block size for binaries */ - Uint bin_old_vheap; /* Virtual old heap size for binaries */ + Uint64 bin_vheap_sz; /* Virtual heap block size for binaries */ + Uint64 bin_vheap_mature; /* Virtual heap block size for binaries */ + Uint64 bin_old_vheap_sz; /* Virtual old heap block size for binaries */ + Uint64 bin_old_vheap; /* Virtual old heap size for binaries */ union { #ifdef ERTS_SMP diff --git a/erts/emulator/beam/erl_time_sup.c b/erts/emulator/beam/erl_time_sup.c index c15f85f8f1..7b8706ea13 100644 --- a/erts/emulator/beam/erl_time_sup.c +++ b/erts/emulator/beam/erl_time_sup.c @@ -650,6 +650,22 @@ local_to_univ(Sint *year, Sint *month, Sint *day, t.tm_sec = *second; t.tm_isdst = isdst; the_clock = mktime(&t); + if (the_clock == -1) { + if (isdst) { + /* If this is a timezone without DST and the OS (correctly) + refuses to give us a DST time, we simulate the Linux/Solaris + behaviour of giving the same data as if is_dst was not set. */ + t.tm_isdst = 0; + the_clock = mktime(&t); + if (the_clock == -1) { + /* Failed anyway, something else is bad - will be a badarg */ + return 0; + } + } else { + /* Something else is the matter, badarg. */ + return 0; + } + } #ifdef HAVE_GMTIME_R gmtime_r(&the_clock, (tm = &tmbuf)); #else @@ -663,6 +679,10 @@ local_to_univ(Sint *year, Sint *month, Sint *day, *second = tm->tm_sec; return 1; } +#if defined(HAVE_POSIX2TIME) && defined(HAVE_DECL_POSIX2TIME) && \ + !HAVE_DECL_POSIX2TIME +extern time_t posix2time(time_t); +#endif int univ_to_local(Sint *year, Sint *month, Sint *day, diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index b840f65cdd..79022d5dd7 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -1582,7 +1582,7 @@ static void deliver_read_message(Port* prt, Eterm to, pb->flags = 0; hp += PROC_BIN_SIZE; - ohp->overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(ohp, pb->size / sizeof(Eterm)); listp = make_binary(pb); } @@ -1732,7 +1732,7 @@ deliver_vec_message(Port* prt, /* Port */ pb->flags = 0; hp += PROC_BIN_SIZE; - ohp->overhead += iov->iov_len / sizeof(Eterm); + OH_OVERHEAD(ohp, iov->iov_len / sizeof(Eterm)); if (listp == NIL) { /* compatible with deliver_bin_message */ listp = make_binary(pb); @@ -2264,7 +2264,7 @@ erts_port_control(Process* p, Port* prt, Uint command, Eterm iolist) pb->val = ErlDrvBinary2Binary(dbin); pb->bytes = (byte*) dbin->orig_bytes; pb->flags = 0; - MSO(p).overhead += dbin->orig_size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(p)), dbin->orig_size / sizeof(Eterm)); return make_binary(pb); } port_resp = dbin->orig_bytes; @@ -3040,7 +3040,7 @@ driver_deliver_term(ErlDrvPort port, pb->flags = 0; mess = make_binary(pb); hp += PROC_BIN_SIZE; - ohp->overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(ohp, pb->size / sizeof(Eterm)); } ptr += 3; break; @@ -3077,7 +3077,7 @@ driver_deliver_term(ErlDrvPort port, pbp->val = bp; pbp->bytes = (byte*) bp->orig_bytes; pbp->flags = 0; - ohp->overhead += (pbp->size / sizeof(Eterm)); + OH_OVERHEAD(ohp, pbp->size / sizeof(Eterm)); mess = make_binary(pbp); } ptr += 2; diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c index d6d06d0036..5a682ab045 100644 --- a/erts/emulator/sys/unix/sys_float.c +++ b/erts/emulator/sys/unix/sys_float.c @@ -799,8 +799,17 @@ sys_chars_to_double(char* buf, double* fp) } #ifdef NO_FPE_SIGNALS - if (errno == ERANGE && (*fp == 0.0 || *fp == HUGE_VAL || *fp == -HUGE_VAL)) { - return -1; + if (errno == ERANGE) { + if (*fp == HUGE_VAL || *fp == -HUGE_VAL) { + /* overflow, should give error */ + return -1; + } else if (t == s && *fp == 0.0) { + /* This should give 0.0 - OTP-7178 */ + errno = 0; + + } else if (*fp == 0.0) { + return -1; + } } #endif return 0; diff --git a/erts/emulator/test/float_SUITE.erl b/erts/emulator/test/float_SUITE.erl index 102e472ea6..99e9457985 100644 --- a/erts/emulator/test/float_SUITE.erl +++ b/erts/emulator/test/float_SUITE.erl @@ -22,7 +22,10 @@ -include("test_server.hrl"). -export([all/1,init_per_testcase/2,fin_per_testcase/2, - fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1,bad_float_unpack/1]). + fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1, + bad_float_unpack/1]). +-export([otp_7178/1]). + init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> Dog = ?t:timetrap(?t:minutes(3)), @@ -33,7 +36,29 @@ fin_per_testcase(_Func, Config) -> ?t:timetrap_cancel(Dog). all(suite) -> - [fpe,fp_drv,fp_drv_thread,denormalized,match,bad_float_unpack]. + [fpe, + fp_drv, + fp_drv_thread, + otp_7178, + denormalized, + match, + bad_float_unpack]. + +%% +%% OTP-7178, list_to_float on very small numbers should give 0.0 +%% instead of exception, i.e. ignore underflow. +%% +otp_7178(suite) -> + []; +otp_7178(doc) -> + ["test that list_to_float on very small numbers give 0.0"]; +otp_7178(Config) when is_list(Config) -> + ?line X = list_to_float("1.0e-325"), + ?line true = (X < 0.00000001) and (X > -0.00000001), + ?line Y = list_to_float("1.0e-325325325"), + ?line true = (Y < 0.00000001) and (Y > -0.00000001), + ?line {'EXIT', {badarg,_}} = (catch list_to_float("1.0e83291083210")), + ok. %% Forces floating point exceptions and tests that subsequent, legal, %% operations are calculated correctly. Original version by Sebastian diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c index 17f644829f..5384a32f21 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c +++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c @@ -296,6 +296,30 @@ static int test_ulong(ErlNifEnv* env, unsigned long i1) return 1; } +static int test_int64(ErlNifEnv* env, ErlNifSInt64 i1) +{ + ErlNifSInt64 i2 = 0; + ERL_NIF_TERM int_term = enif_make_int64(env, i1); + if (!enif_get_int64(env,int_term, &i2) || i1 != i2) { + fprintf(stderr, "test_int64(%ld) ...FAILED i2=%ld\r\n", + (long)i1, (long)i2); + return 0; + } + return 1; +} + +static int test_uint64(ErlNifEnv* env, ErlNifUInt64 i1) +{ + ErlNifUInt64 i2 = 0; + ERL_NIF_TERM int_term = enif_make_uint64(env, i1); + if (!enif_get_uint64(env,int_term, &i2) || i1 != i2) { + fprintf(stderr, "test_ulong(%lu) ...FAILED i2=%lu\r\n", + (unsigned long)i1, (unsigned long)i2); + return 0; + } + return 1; +} + static int test_double(ErlNifEnv* env, double d1) { double d2 = 0; @@ -319,6 +343,8 @@ static ERL_NIF_TERM type_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ unsigned uint; long slong; unsigned long ulong; + ErlNifSInt64 sint64; + ErlNifUInt64 uint64; double d; ERL_NIF_TERM atom, ref1, ref2; @@ -352,11 +378,25 @@ static ERL_NIF_TERM type_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ slong -= slong / 3 + 1; } while (slong >= 0); + sint64 = ((ErlNifSInt64)1 << 63); /* INT64_MIN */ + do { + if (!test_int64(env,sint64)) { + goto error; + } + sint64 += ~sint64 / 3 + 1; + } while (sint64 < 0); + sint64 = ((ErlNifUInt64)1 << 63) - 1; /* INT64_MAX */ + do { + if (!test_int64(env,sint64)) { + goto error; + } + sint64 -= sint64 / 3 + 1; + } while (sint64 >= 0); uint = UINT_MAX; for (;;) { if (!test_uint(env,uint)) { - + goto error; } if (uint == 0) break; uint -= uint / 3 + 1; @@ -364,11 +404,19 @@ static ERL_NIF_TERM type_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ ulong = ULONG_MAX; for (;;) { if (!test_ulong(env,ulong)) { - + goto error; } if (ulong == 0) break; ulong -= ulong / 3 + 1; } + uint64 = (ErlNifUInt64)-1; /* UINT64_MAX */ + for (;;) { + if (!test_uint64(env,uint64)) { + goto error; + } + if (uint64 == 0) break; + uint64 -= uint64 / 3 + 1; + } if (MAX_SMALL < INT_MAX) { /* 32-bit */ for (i=-10 ; i <= 10; i++) { @@ -391,11 +439,18 @@ static ERL_NIF_TERM type_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ for (i=-10 ; i < 10; i++) { if (!test_long(env,MAX_SMALL+i) || !test_ulong(env,MAX_SMALL+i) || - !test_long(env,MIN_SMALL+i)) { + !test_long(env,MIN_SMALL+i) || + !test_int64(env,MAX_SMALL+i) || !test_uint64(env,MAX_SMALL+i) || + !test_int64(env,MIN_SMALL+i)) { goto error; } + if (MAX_SMALL < INT_MAX) { + if (!test_int(env,MAX_SMALL+i) || !test_uint(env,MAX_SMALL+i) || + !test_int(env,MIN_SMALL+i)) { + goto error; + } + } } - for (d=3.141592e-100 ; d < 1e100 ; d *= 9.97) { if (!test_double(env,d) || !test_double(env,-d)) { goto error; diff --git a/erts/emulator/test/time_SUITE.erl b/erts/emulator/test/time_SUITE.erl index 2ad1f0d201..095e9dd1af 100644 --- a/erts/emulator/test/time_SUITE.erl +++ b/erts/emulator/test/time_SUITE.erl @@ -34,6 +34,8 @@ consistency/1, now/1, now_unique/1, now_update/1, timestamp/1]). +-export([local_to_univ_utc/1]). + -include("test_server.hrl"). -export([linear_time/1]). @@ -53,7 +55,40 @@ -define(dst_timezone, 2). all(suite) -> [univ_to_local, local_to_univ, - bad_univ_to_local, bad_local_to_univ, consistency, now, timestamp]. + local_to_univ_utc, + bad_univ_to_local, bad_local_to_univ, + consistency, now, timestamp]. + +local_to_univ_utc(suite) -> + []; +local_to_univ_utc(doc) -> + ["Test that DST = true on timezones without DST is ignored"]; +local_to_univ_utc(Config) when is_list(Config) -> + case os:type() of + {unix,_} -> + %% TZ variable has a meaning + ?line {ok, Node} = + test_server:start_node(local_univ_utc,peer, + [{args, "-env TZ UTC"}]), + ?line {{2008,8,1},{0,0,0}} = + rpc:call(Node, + erlang,localtime_to_universaltime, + [{{2008, 8, 1}, {0, 0, 0}}, + false]), + ?line {{2008,8,1},{0,0,0}} = + rpc:call(Node, + erlang,localtime_to_universaltime, + [{{2008, 8, 1}, {0, 0, 0}}, + true]), + ?line [{{2008,8,1},{0,0,0}}] = + rpc:call(Node, + calendar,local_time_to_universal_time_dst, + [{{2008, 8, 1}, {0, 0, 0}}]), + ?line test_server:stop_node(Node), + ok; + _ -> + {skip,"Only valid on Unix"} + end. %% Tests conversion from univeral to local time. |