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-rw-r--r--erts/emulator/Makefile.in10
-rw-r--r--erts/emulator/beam/atom.names1
-rw-r--r--erts/emulator/beam/beam_emu.c11
-rw-r--r--erts/emulator/beam/bif.c269
-rw-r--r--erts/emulator/beam/bif.h7
-rw-r--r--erts/emulator/beam/bif.tab8
-rw-r--r--erts/emulator/beam/big.c247
-rw-r--r--erts/emulator/beam/big.h3
-rw-r--r--erts/emulator/beam/binary.c92
-rw-r--r--erts/emulator/beam/dist.c2
-rw-r--r--erts/emulator/beam/erl_alloc_util.c10
-rw-r--r--erts/emulator/beam/erl_async.c4
-rw-r--r--erts/emulator/beam/erl_bif_ddll.c2
-rwxr-xr-xerts/emulator/beam/erl_bif_info.c4
-rw-r--r--erts/emulator/beam/erl_driver.h5
-rw-r--r--erts/emulator/beam/erl_init.c53
-rw-r--r--erts/emulator/beam/erl_nif.c13
-rw-r--r--erts/emulator/beam/erl_nif.h5
-rw-r--r--erts/emulator/beam/erl_nif_api_funcs.h2
-rw-r--r--erts/emulator/beam/erl_port.h141
-rw-r--r--erts/emulator/beam/erl_port_task.c114
-rw-r--r--erts/emulator/beam/erl_unicode.c63
-rw-r--r--erts/emulator/beam/io.c214
-rw-r--r--erts/emulator/beam/sys.h14
-rw-r--r--erts/emulator/drivers/common/efile_drv.c2
-rw-r--r--erts/emulator/sys/common/erl_check_io.c42
-rw-r--r--erts/emulator/sys/common/erl_mseg.c315
-rw-r--r--erts/emulator/sys/common/erl_mseg.h9
-rw-r--r--erts/emulator/sys/common/erl_sys_common_misc.c204
-rw-r--r--erts/emulator/sys/common/erl_util_queue.h77
-rw-r--r--erts/emulator/sys/unix/sys.c8
-rw-r--r--erts/emulator/sys/win32/erl_win_dyn_driver.h8
-rwxr-xr-xerts/emulator/sys/win32/sys.c86
-rw-r--r--erts/emulator/test/driver_SUITE.erl325
-rw-r--r--erts/emulator/test/driver_SUITE_data/Makefile.src3
-rw-r--r--erts/emulator/test/driver_SUITE_data/consume_timeslice_drv.c172
-rw-r--r--erts/emulator/test/hash_SUITE.erl88
-rw-r--r--erts/emulator/test/nif_SUITE.erl107
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_SUITE.c24
-rw-r--r--erts/emulator/test/num_bif_SUITE.erl535
-rwxr-xr-xerts/emulator/utils/gen_git_version39
41 files changed, 2510 insertions, 828 deletions
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in
index 3e44bbb8db..7033ea0a3d 100644
--- a/erts/emulator/Makefile.in
+++ b/erts/emulator/Makefile.in
@@ -20,6 +20,8 @@
include $(ERL_TOP)/make/target.mk
include ../vsn.mk
include $(ERL_TOP)/make/$(TARGET)/otp.mk
+include $(TARGET)/gen_git_version.mk
+
ENABLE_ALLOC_TYPE_VARS = @ENABLE_ALLOC_TYPE_VARS@
HIPE_ENABLED=@HIPE_ENABLED@
@@ -196,7 +198,7 @@ else
EMU_CC = @EMU_CC@
endif
WFLAGS = @WFLAGS@
-CFLAGS = @STATIC_CFLAGS@ $(TYPE_FLAGS) $(FLAVOR_FLAGS) $(DEFS) $(WFLAGS) $(THR_DEFS) $(ARCHCFLAGS)
+CFLAGS = @STATIC_CFLAGS@ $(TYPE_FLAGS) $(FLAVOR_FLAGS) $(DEFS) $(WFLAGS) $(THR_DEFS) $(ARCHCFLAGS) $(GIT_VSN)
HCC = @HCC@
LD = @LD@
DEXPORT = @DEXPORT@
@@ -1006,6 +1008,12 @@ DEP_FLAGS=-MM $(MG_FLAG) $(CFLAGS) $(INCLUDES) -Idrivers/common -Idrivers/$(ERLA
SYS_SRC=$(ALL_SYS_SRC)
endif
+.PHONY: $(TARGET)/gen_git_version.mk
+$(TARGET)/gen_git_version.mk:
+# We touch beam/erl_bif.info.c if we regenerated the git version to force a
+# rebuild.
+ if $(gen_verbose)utils/gen_git_version $@; then touch beam/erl_bif_info.c; fi
+
.PHONY: depend
ifdef VOID_EMULATOR
depend:
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index f138324e1f..ce60bb9bbc 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -269,6 +269,7 @@ atom hipe_architecture
atom http httph https http_response http_request http_header http_eoh http_error http_bin httph_bin
atom id
atom if_clause
+atom ignore
atom imports
atom in
atom in_exiting
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 0e9d140908..e2c3bf292f 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -1070,17 +1070,6 @@ init_emulator(void)
#endif /* USE_VM_PROBES */
-#ifdef USE_VM_PROBES
-void
-dtrace_drvport_str(ErlDrvPort drvport, char *port_buf)
-{
- Port *port = erts_drvport2port(drvport, NULL);
-
- erts_snprintf(port_buf, DTRACE_TERM_BUF_SIZE, "#Port<%lu.%lu>",
- port_channel_no(port->common.id),
- port_number(port->common.id));
-}
-#endif
/*
* process_main() is called twice:
* The first call performs some initialisation, including exporting
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 46f76624a5..9c438679ea 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -39,6 +39,7 @@
#include "erl_thr_progress.h"
#define ERTS_PTAB_WANT_BIF_IMPL__
#include "erl_ptab.h"
+#include "erl_bits.h"
static Export* flush_monitor_message_trap = NULL;
static Export* set_cpu_topology_trap = NULL;
@@ -2069,11 +2070,16 @@ BIF_RETTYPE send_3(BIF_ALIST_3)
result = do_send(p, to, msg, suspend, &ref);
if (result > 0) {
ERTS_VBUMP_REDS(p, result);
+ if (ERTS_IS_PROC_OUT_OF_REDS(p))
+ goto yield_return;
BIF_RET(am_ok);
}
switch (result) {
case 0:
+ /* May need to yield even though we do not bump reds here... */
+ if (ERTS_IS_PROC_OUT_OF_REDS(p))
+ goto yield_return;
BIF_RET(am_ok);
break;
case SEND_TRAP:
@@ -2091,10 +2097,10 @@ BIF_RETTYPE send_3(BIF_ALIST_3)
}
break;
case SEND_YIELD_RETURN:
- if (suspend)
- ERTS_BIF_YIELD_RETURN(p, am_ok);
- else
+ if (!suspend)
BIF_RET(am_nosuspend);
+ yield_return:
+ ERTS_BIF_YIELD_RETURN(p, am_ok);
case SEND_AWAIT_RESULT:
ASSERT(is_internal_ref(ref));
BIF_TRAP3(await_port_send_result_trap, p, ref, am_nosuspend, am_ok);
@@ -2133,11 +2139,16 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg)
if (result > 0) {
ERTS_VBUMP_REDS(p, result);
+ if (ERTS_IS_PROC_OUT_OF_REDS(p))
+ goto yield_return;
BIF_RET(msg);
}
switch (result) {
case 0:
+ /* May need to yield even though we do not bump reds here... */
+ if (ERTS_IS_PROC_OUT_OF_REDS(p))
+ goto yield_return;
BIF_RET(msg);
break;
case SEND_TRAP:
@@ -2147,6 +2158,7 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg)
ERTS_BIF_YIELD2(bif_export[BIF_send_2], p, to, msg);
break;
case SEND_YIELD_RETURN:
+ yield_return:
ERTS_BIF_YIELD_RETURN(p, msg);
case SEND_AWAIT_RESULT:
ASSERT(is_internal_ref(ref));
@@ -2895,45 +2907,69 @@ BIF_RETTYPE string_to_integer_1(BIF_ALIST_1)
BIF_RET(TUPLE2(hp, res, tail));
}
}
-
BIF_RETTYPE list_to_integer_1(BIF_ALIST_1)
-{
+ {
+ /* Using do_list_to_integer is about twice as fast as using
+ erts_chars_to_integer because we do not have to copy the
+ entire list */
Eterm res;
Eterm dummy;
/* must be a list */
-
if (do_list_to_integer(BIF_P,BIF_ARG_1,&res,&dummy) != LTI_ALL_INTEGER) {
BIF_ERROR(BIF_P,BADARG);
}
BIF_RET(res);
}
-/**********************************************************************/
+BIF_RETTYPE list_to_integer_2(BIF_ALIST_2)
+{
-/* convert a float to a list of ascii characters */
+ /* Bif implementation is about 50% faster than pure erlang,
+ and since we have erts_chars_to_integer now it is simpler
+ as well. This could be optmized further if we did not have to
+ copy the list to buf. */
+ int i;
+ Eterm res;
+ char *buf = NULL;
+ int base;
-BIF_RETTYPE float_to_list_1(BIF_ALIST_1)
-{
- int i;
- Uint need;
- Eterm* hp;
- FloatDef f;
- char fbuf[30];
+ i = list_length(BIF_ARG_1);
+ if (i < 0)
+ BIF_ERROR(BIF_P, BADARG);
+
+ base = signed_val(BIF_ARG_2);
+
+ if (base < 2 || base > 36)
+ BIF_ERROR(BIF_P, BADARG);
+
+ /* Take fast path if base it 10 */
+ if (base == 10)
+ return list_to_integer_1(BIF_P,&BIF_ARG_1);
+
+ buf = (char *) erts_alloc(ERTS_ALC_T_TMP, i + 1);
+
+ if (intlist_to_buf(BIF_ARG_1, buf, i) < 0)
+ goto list_to_integer_1_error;
+ buf[i] = '\0'; /* null terminal */
+
+ if ((res = erts_chars_to_integer(BIF_P,buf,i,base)) == THE_NON_VALUE)
+ goto list_to_integer_1_error;
+
+ erts_free(ERTS_ALC_T_TMP, (void *) buf);
+ BIF_RET(res);
+
+ list_to_integer_1_error:
+ erts_free(ERTS_ALC_T_TMP, (void *) buf);
+ BIF_ERROR(BIF_P, BADARG);
- /* check the arguments */
- if (is_not_float(BIF_ARG_1))
- BIF_ERROR(BIF_P, BADARG);
- GET_DOUBLE(BIF_ARG_1, f);
- if ((i = sys_double_to_chars(f.fd, fbuf, sizeof(fbuf))) <= 0)
- BIF_ERROR(BIF_P, EXC_INTERNAL_ERROR);
- need = i*2;
- hp = HAlloc(BIF_P, need);
- BIF_RET(buf_to_intlist(&hp, fbuf, i, NIL));
-}
+ }
+
+/**********************************************************************/
+
+static int do_float_to_charbuf(Process *p, Eterm efloat, Eterm list,
+ char *fbuf, int sizeof_fbuf) {
-BIF_RETTYPE float_to_list_2(BIF_ALIST_2)
-{
const static int arity_two = make_arityval(2);
int decimals = SYS_DEFAULT_FLOAT_DECIMALS;
int compact = 0;
@@ -2942,16 +2978,11 @@ BIF_RETTYPE float_to_list_2(BIF_ALIST_2)
FMT_FIXED,
FMT_SCIENTIFIC
} fmt_type = FMT_LEGACY;
- Eterm list = BIF_ARG_2;
Eterm arg;
- int i;
- Uint need;
- Eterm* hp;
FloatDef f;
- char fbuf[256];
/* check the arguments */
- if (is_not_float(BIF_ARG_1))
+ if (is_not_float(efloat))
goto badarg;
for(; is_list(list); list = CDR(list_val(list))) {
@@ -2963,15 +2994,14 @@ BIF_RETTYPE float_to_list_2(BIF_ALIST_2)
Eterm* tp = tuple_val(arg);
if (*tp == arity_two && is_small(tp[2])) {
decimals = signed_val(tp[2]);
- if (decimals > 0 && decimals < sizeof(fbuf) - 6 /* "X." ++ "e+YY" */)
- switch (tp[1]) {
- case am_decimals:
- fmt_type = FMT_FIXED;
- continue;
- case am_scientific:
- fmt_type = FMT_SCIENTIFIC;
- continue;
- }
+ switch (tp[1]) {
+ case am_decimals:
+ fmt_type = FMT_FIXED;
+ continue;
+ case am_scientific:
+ fmt_type = FMT_SCIENTIFIC;
+ continue;
+ }
}
}
goto badarg;
@@ -2980,22 +3010,64 @@ BIF_RETTYPE float_to_list_2(BIF_ALIST_2)
goto badarg;
}
- GET_DOUBLE(BIF_ARG_1, f);
+ GET_DOUBLE(efloat, f);
if (fmt_type == FMT_FIXED) {
- if ((i = sys_double_to_chars_fast(f.fd, fbuf, sizeof(fbuf),
- decimals, compact)) <= 0)
- goto badarg;
+ return sys_double_to_chars_fast(f.fd, fbuf, sizeof_fbuf,
+ decimals, compact);
} else {
- if ((i = sys_double_to_chars_ext(f.fd, fbuf, sizeof(fbuf), decimals)) <= 0)
- goto badarg;
+ return sys_double_to_chars_ext(f.fd, fbuf, sizeof_fbuf, decimals);
}
- need = i*2;
- hp = HAlloc(BIF_P, need);
- BIF_RET(buf_to_intlist(&hp, fbuf, i, NIL));
badarg:
+ return -1;
+}
+
+/* convert a float to a list of ascii characters */
+
+static BIF_RETTYPE do_float_to_list(Process *BIF_P, Eterm arg, Eterm opts) {
+ int used;
+ Eterm* hp;
+ char fbuf[256];
+
+ if ((used = do_float_to_charbuf(BIF_P,arg,opts,fbuf,sizeof(fbuf))) <= 0) {
BIF_ERROR(BIF_P, BADARG);
+ }
+ hp = HAlloc(BIF_P, (Uint)used*2);
+ BIF_RET(buf_to_intlist(&hp, fbuf, (Uint)used, NIL));
+}
+
+
+BIF_RETTYPE float_to_list_1(BIF_ALIST_1)
+{
+ return do_float_to_list(BIF_P,BIF_ARG_1,NIL);
+}
+
+BIF_RETTYPE float_to_list_2(BIF_ALIST_2)
+{
+ return do_float_to_list(BIF_P,BIF_ARG_1,BIF_ARG_2);
+}
+
+/* convert a float to a binary of ascii characters */
+
+static BIF_RETTYPE do_float_to_binary(Process *BIF_P, Eterm arg, Eterm opts) {
+ int used;
+ char fbuf[256];
+
+ if ((used = do_float_to_charbuf(BIF_P,arg,opts,fbuf,sizeof(fbuf))) <= 0) {
+ BIF_ERROR(BIF_P, BADARG);
+ }
+ BIF_RET(new_binary(BIF_P, (byte*)fbuf, (Uint)used));
+}
+
+BIF_RETTYPE float_to_binary_1(BIF_ALIST_1)
+{
+ return do_float_to_binary(BIF_P,BIF_ARG_1,NIL);
+}
+
+BIF_RETTYPE float_to_binary_2(BIF_ALIST_2)
+{
+ return do_float_to_binary(BIF_P,BIF_ARG_1,BIF_ARG_2);
}
/**********************************************************************/
@@ -3180,36 +3252,101 @@ BIF_RETTYPE string_to_float_1(BIF_ALIST_1)
BIF_RET(tup);
}
+static BIF_RETTYPE do_charbuf_to_float(Process *BIF_P,char *buf) {
+ FloatDef f;
+ Eterm res;
+ Eterm* hp;
+
+ if (sys_chars_to_double(buf, &f.fd) != 0)
+ BIF_ERROR(BIF_P, BADARG);
+
+ hp = HAlloc(BIF_P, FLOAT_SIZE_OBJECT);
+ res = make_float(hp);
+ PUT_DOUBLE(f, hp);
+ BIF_RET(res);
+
+}
BIF_RETTYPE list_to_float_1(BIF_ALIST_1)
{
int i;
- FloatDef f;
Eterm res;
- Eterm* hp;
char *buf = NULL;
i = list_length(BIF_ARG_1);
- if (i < 0) {
- badarg:
- if (buf)
- erts_free(ERTS_ALC_T_TMP, (void *) buf);
- BIF_ERROR(BIF_P, BADARG);
- }
-
+ if (i < 0)
+ BIF_ERROR(BIF_P, BADARG);
+
buf = (char *) erts_alloc(ERTS_ALC_T_TMP, i + 1);
if (intlist_to_buf(BIF_ARG_1, buf, i) < 0)
- goto badarg;
+ goto list_to_float_1_error;
buf[i] = '\0'; /* null terminal */
+
+ if ((res = do_charbuf_to_float(BIF_P,buf)) == THE_NON_VALUE)
+ goto list_to_float_1_error;
+
+ erts_free(ERTS_ALC_T_TMP, (void *) buf);
+ BIF_RET(res);
+
+ list_to_float_1_error:
+ erts_free(ERTS_ALC_T_TMP, (void *) buf);
+ BIF_ERROR(BIF_P, BADARG);
+
+}
+
+BIF_RETTYPE binary_to_float_1(BIF_ALIST_1)
+{
+ Eterm res;
+ Eterm binary = BIF_ARG_1;
+ Sint size;
+ byte* bytes, *buf;
+ Eterm* real_bin;
+ Uint offs = 0;
+ Uint bit_offs = 0;
+
+ if (is_not_binary(binary) || (size = binary_size(binary)) == 0)
+ BIF_ERROR(BIF_P, BADARG);
+
+ /*
+ * Unfortunately we have to copy the binary because we have to insert
+ * the '\0' at the end of the binary for strtod to work
+ * (there is no nstrtod :( )
+ */
+
+ buf = erts_alloc(ERTS_ALC_T_TMP, size + 1);
+
+ real_bin = binary_val(binary);
+ if (*real_bin == HEADER_SUB_BIN) {
+ ErlSubBin* sb = (ErlSubBin *) real_bin;
+ if (sb->bitsize) {
+ goto binary_to_float_1_error;
+ }
+ offs = sb->offs;
+ bit_offs = sb->bitoffs;
+ real_bin = binary_val(sb->orig);
+ }
+ if (*real_bin == HEADER_PROC_BIN) {
+ bytes = ((ProcBin *) real_bin)->bytes + offs;
+ } else {
+ bytes = (byte *)(&(((ErlHeapBin *) real_bin)->data)) + offs;
+ }
+ if (bit_offs)
+ erts_copy_bits(bytes, bit_offs, 1, buf, 0, 1, size*8);
+ else
+ memcpy(buf, bytes, size);
+
+ buf[size] = '\0';
+
+ if ((res = do_charbuf_to_float(BIF_P,(char*)buf)) == THE_NON_VALUE)
+ goto binary_to_float_1_error;
- if (sys_chars_to_double(buf, &f.fd) != 0)
- goto badarg;
- hp = HAlloc(BIF_P, FLOAT_SIZE_OBJECT);
- res = make_float(hp);
- PUT_DOUBLE(f, hp);
erts_free(ERTS_ALC_T_TMP, (void *) buf);
BIF_RET(res);
+
+ binary_to_float_1_error:
+ erts_free(ERTS_ALC_T_TMP, (void *) buf);
+ BIF_ERROR(BIF_P, BADARG);
}
/**********************************************************************/
diff --git a/erts/emulator/beam/bif.h b/erts/emulator/beam/bif.h
index ceaf747875..51b77a95ed 100644
--- a/erts/emulator/beam/bif.h
+++ b/erts/emulator/beam/bif.h
@@ -35,6 +35,13 @@ extern Export* erts_format_cpu_topology_trap;
#define BIF_ARG_2 (BIF__ARGS[1])
#define BIF_ARG_3 (BIF__ARGS[2])
+#define ERTS_IS_PROC_OUT_OF_REDS(p) \
+ ((p)->fcalls > 0 \
+ ? 0 \
+ : (!ERTS_PROC_GET_SAVED_CALLS_BUF((p)) \
+ ? (p)->fcalls == 0 \
+ : ((p)->fcalls == -CONTEXT_REDS)))
+
#define BUMP_ALL_REDS(p) do { \
if (!ERTS_PROC_GET_SAVED_CALLS_BUF((p))) \
(p)->fcalls = 0; \
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 4aaf466008..b74dc5c3fe 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -522,6 +522,7 @@ bif erlang:nif_error/2
bif prim_file:internal_name2native/1
bif prim_file:internal_native2name/1
bif prim_file:internal_normalize_utf8/1
+bif prim_file:is_translatable/1
bif file:native_name_encoding/0
#
@@ -560,6 +561,13 @@ bif erlang:prepare_loading/2
bif erlang:finish_loading/1
bif erlang:insert_element/3
bif erlang:delete_element/2
+bif erlang:binary_to_integer/1
+bif erlang:binary_to_integer/2
+bif erlang:integer_to_binary/1
+bif erlang:list_to_integer/2
+bif erlang:float_to_binary/1
+bif erlang:float_to_binary/2
+bif erlang:binary_to_float/1
#
# Obsolete
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index 5a5b162b9c..acfcc845e4 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -1674,26 +1674,26 @@ int big_decimal_estimate(Wterm x)
** Convert a bignum into a string of decimal numbers
*/
-static void write_big(Wterm x, void (*write_func)(void *, char), void *arg)
+static Uint write_big(Wterm x, void (*write_func)(void *, char), void *arg)
{
Eterm* xp = big_val(x);
ErtsDigit* dx = BIG_V(xp);
dsize_t xl = BIG_SIZE(xp);
short sign = BIG_SIGN(xp);
ErtsDigit rem;
+ Uint n = 0;
if (xl == 1 && *dx < D_DECIMAL_BASE) {
rem = *dx;
- if (rem == 0)
- (*write_func)(arg, '0');
- else {
+ if (rem == 0) {
+ (*write_func)(arg, '0'); n++;
+ } else {
while(rem) {
- (*write_func)(arg, (rem % 10) + '0');
+ (*write_func)(arg, (rem % 10) + '0'); n++;
rem /= 10;
}
}
- }
- else {
+ } else {
ErtsDigit* tmp = (ErtsDigit*) erts_alloc(ERTS_ALC_T_TMP,
sizeof(ErtsDigit)*xl);
dsize_t tmpl = xl;
@@ -1704,15 +1704,14 @@ static void write_big(Wterm x, void (*write_func)(void *, char), void *arg)
tmpl = D_div(tmp, tmpl, D_DECIMAL_BASE, tmp, &rem);
if (tmpl == 1 && *tmp == 0) {
while(rem) {
- (*write_func)(arg, (rem % 10)+'0');
+ (*write_func)(arg, (rem % 10)+'0'); n++;
rem /= 10;
}
break;
- }
- else {
+ } else {
int i = D_DECIMAL_EXP;
while(i--) {
- (*write_func)(arg, (rem % 10)+'0');
+ (*write_func)(arg, (rem % 10)+'0'); n++;
rem /= 10;
}
}
@@ -1720,8 +1719,10 @@ static void write_big(Wterm x, void (*write_func)(void *, char), void *arg)
erts_free(ERTS_ALC_T_TMP, (void *) tmp);
}
- if (sign)
- (*write_func)(arg, '-');
+ if (sign) {
+ (*write_func)(arg, '-'); n++;
+ }
+ return n;
}
struct big_list__ {
@@ -1762,6 +1763,20 @@ char *erts_big_to_string(Wterm x, char *buf, Uint buf_sz)
return big_str;
}
+/* Bignum to binary bytes
+ * e.g. 1 bsl 64 -> "18446744073709551616"
+ */
+
+Uint erts_big_to_binary_bytes(Eterm x, char *buf, Uint buf_sz)
+{
+ char *big_str = buf + buf_sz;
+ Uint n;
+ n = write_big(x, write_string, (void *) &big_str);
+ ASSERT(buf <= big_str && big_str <= buf + buf_sz);
+ return n;
+}
+
+
/*
** Normalize a bignum given thing pointer length in digits and a sign
** patch zero if odd length
@@ -2467,3 +2482,209 @@ int term_equals_2pow32(Eterm x)
return 0;
}
}
+
+
+#define IS_VALID_CHARACTER(CHAR,BASE) \
+ (CHAR < '0' \
+ || (CHAR > ('0' + BASE - 1) \
+ && !(BASE > 10 \
+ && ((CHAR >= 'a' && CHAR < ('a' + BASE - 10)) \
+ || (CHAR >= 'A' && CHAR < ('A' + BASE - 10))))))
+#define CHARACTER_FROM_BASE(CHAR) \
+ ((CHAR <= '9') ? CHAR - '0' : 10 + ((CHAR <= 'Z') ? CHAR - 'A' : CHAR - 'a'))
+#define D_BASE_EXP(BASE) (d_base_exp_lookup[BASE-2])
+#define D_BASE_BASE(BASE) (d_base_base_lookup[BASE-2])
+#define LG2_LOOKUP(BASE) (lg2_lookup[base-2])
+
+/*
+ * for i in 2..64 do
+ * lg2_lookup[i-2] = log2(i)
+ * end
+ * How many bits are needed to store string of size n
+ */
+const double lg2_lookup[] = { 1.0, 1.58496, 2, 2.32193, 2.58496, 2.80735, 3.0,
+ 3.16993, 3.32193, 3.45943, 3.58496, 3.70044, 3.80735, 3.90689, 4.0,
+ 4.08746, 4.16993, 4.24793, 4.32193, 4.39232, 4.45943, 4.52356, 4.58496,
+ 4.64386, 4.70044, 4.75489, 4.80735, 4.85798, 4.90689, 4.9542, 5.0,
+ 5.04439, 5.08746, 5.12928, 5.16993, 5.20945, 5.24793, 5.2854, 5.32193,
+ 5.35755, 5.39232, 5.42626, 5.45943, 5.49185, 5.52356, 5.55459, 5.58496,
+ 5.61471, 5.64386, 5.67243, 5.70044, 5.72792, 5.75489, 5.78136, 5.80735,
+ 5.83289, 5.85798, 5.88264, 5.90689, 5.93074, 5.9542, 5.97728, 6.0 };
+
+/*
+ * for i in 2..64 do
+ * d_base_exp_lookup[i-2] = 31 / lg2_lookup[i-2];
+ * end
+ * How many characters can fit in 31 bits
+ */
+const byte d_base_exp_lookup[] = { 31, 19, 15, 13, 11, 11, 10, 9, 9, 8, 8, 8, 8,
+ 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5 };
+
+/*
+ * for i in 2..64 do
+ * d_base_base_lookup[i-2] = pow(i,d_base_exp_lookup[i-2]);
+ * end
+ * How much can the characters which fit in 31 bit represent
+ */
+const Uint d_base_base_lookup[] = { 2147483648, 1162261467, 1073741824,
+ 1220703125, 362797056, 1977326743, 1073741824, 387420489, 1000000000,
+ 214358881, 429981696, 815730721, 1475789056, 170859375, 268435456,
+ 410338673, 612220032, 893871739, 1280000000, 1801088541, 113379904,
+ 148035889, 191102976, 244140625, 308915776, 387420489, 481890304,
+ 594823321, 729000000, 887503681, 1073741824, 1291467969, 1544804416,
+ 1838265625, 60466176, 69343957, 79235168, 90224199, 102400000,
+ 115856201, 130691232, 147008443, 164916224, 184528125, 205962976,
+ 229345007, 254803968, 282475249, 312500000, 345025251, 380204032,
+ 418195493, 459165024, 503284375, 550731776, 601692057, 656356768,
+ 714924299, 777600000, 844596301, 916132832, 992436543, 1073741824 };
+
+Eterm erts_chars_to_integer(Process *BIF_P, char *bytes,
+ Uint size, const int base) {
+ Eterm res;
+ Sint i = 0;
+ int n = 0;
+ int neg = 0;
+ byte b;
+ Eterm *hp, *hp_end;
+ int m;
+ int lg2;
+
+ if (size == 0)
+ goto bytebuf_to_integer_1_error;
+
+ if (bytes[0] == '-') {
+ neg = 1;
+ bytes++;
+ size--;
+
+ } else if (bytes[0] == '+') {
+ bytes++;
+ size--;
+ }
+
+ if (size < SMALL_DIGITS && base <= 10) {
+ /* *
+ * Take shortcut if we know that all chars are '0' < b < '9' and
+ * fit in a small. This improves speed by about 10% over the generic
+ * small case.
+ * */
+ while (size--) {
+ b = *bytes++;
+
+ if (b < '0' || b > ('0'+base-1))
+ goto bytebuf_to_integer_1_error;
+
+ i = i * base + b - '0';
+ }
+
+ if (neg)
+ i = -i;
+ res = make_small(i);
+ goto bytebuf_to_integer_1_done;
+ }
+
+ /*
+ * Calculate the maximum number of bits which will
+ * be needed to represent the binary
+ */
+ lg2 = ((size+2)*LG2_LOOKUP(base)+1);
+
+ if (lg2 < SMALL_BITS) {
+ /* Take shortcut if we know it will fit in a small.
+ * This improves speed by about 30%.
+ */
+ while (size) {
+ b = *bytes++;
+ size--;
+
+ if (IS_VALID_CHARACTER(b,base))
+ goto bytebuf_to_integer_1_error;
+
+ i = i * base + CHARACTER_FROM_BASE(b);
+
+ }
+
+ if (neg)
+ i = -i;
+ res = make_small(i);
+ goto bytebuf_to_integer_1_done;
+
+ }
+
+ /* Start calculating bignum */
+ m = (lg2 + D_EXP-1)/D_EXP;
+ m = BIG_NEED_SIZE(m);
+
+ hp = HAlloc(BIF_P, m);
+ hp_end = hp + m;
+
+ if ((i = (size % D_BASE_EXP(base))) == 0)
+ i = D_BASE_EXP(base);
+
+ n = size - i;
+ m = 0;
+
+ while (i--) {
+ b = *bytes++;
+
+ if (IS_VALID_CHARACTER(b,base)) {
+ HRelease(BIF_P, hp_end, hp);
+ goto bytebuf_to_integer_1_error;
+ }
+
+ m = base * m + CHARACTER_FROM_BASE(b);
+ }
+
+ res = small_to_big(m, hp);
+
+ while (n) {
+ i = D_BASE_EXP(base);
+ n -= D_BASE_EXP(base);
+ m = 0;
+ while (i--) {
+ b = *bytes++;
+
+ if (IS_VALID_CHARACTER(b,base)) {
+ HRelease(BIF_P, hp_end, hp);
+ goto bytebuf_to_integer_1_error;
+ }
+
+ m = base * m + CHARACTER_FROM_BASE(b);
+ }
+ if (is_small(res)) {
+ res = small_to_big(signed_val(res), hp);
+ }
+ res = big_times_small(res, D_BASE_BASE(base), hp);
+ if (is_small(res)) {
+ res = small_to_big(signed_val(res), hp);
+ }
+ res = big_plus_small(res, m, hp);
+ }
+
+ if (is_big(res)) /* check if small */
+ res = big_plus_small(res, 0, hp); /* includes conversion to small */
+
+ if (neg) {
+ if (is_small(res))
+ res = make_small(-signed_val(res));
+ else {
+ Uint *big = big_val(res); /* point to thing */
+ *big = bignum_header_neg(*big);
+ }
+ }
+
+ if (is_big(res)) {
+ hp += (big_arity(res) + 1);
+ }
+ HRelease(BIF_P, hp_end, hp);
+ goto bytebuf_to_integer_1_done;
+
+bytebuf_to_integer_1_error:
+ return THE_NON_VALUE;
+
+bytebuf_to_integer_1_done:
+ return res;
+
+}
diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h
index 7eb1e5afe2..c74283b9e5 100644
--- a/erts/emulator/beam/big.h
+++ b/erts/emulator/beam/big.h
@@ -117,6 +117,7 @@ typedef Uint dsize_t; /* Vector size type */
int big_decimal_estimate(Wterm);
Eterm erts_big_to_list(Eterm, Eterm**);
char *erts_big_to_string(Wterm x, char *buf, Uint buf_sz);
+Uint erts_big_to_binary_bytes(Eterm x, char *buf, Uint buf_sz);
Eterm small_times(Sint, Sint, Eterm*);
@@ -165,5 +166,7 @@ int term_equals_2pow32(Eterm);
Eterm erts_uint64_to_big(Uint64, Eterm **);
Eterm erts_sint64_to_big(Sint64, Eterm **);
+Eterm erts_chars_to_integer(Process *, char*, Uint, const int);
+
#endif
diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c
index dad13f1067..33abac2f3d 100644
--- a/erts/emulator/beam/binary.c
+++ b/erts/emulator/beam/binary.c
@@ -240,6 +240,98 @@ erts_bin_bytes_to_list(Eterm previous, Eterm* hp, byte* bytes, Uint size, Uint b
return previous;
}
+BIF_RETTYPE binary_to_integer_1(BIF_ALIST_1)
+{
+ byte *temp_alloc = NULL;
+ char *bytes;
+ Uint size;
+ Eterm res;
+
+ if ((bytes = (char*)erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc))
+ == NULL )
+ goto binary_to_integer_1_error;
+
+ size = binary_size(BIF_ARG_1);
+
+ if ((res = erts_chars_to_integer(BIF_P,bytes,size,10)) != THE_NON_VALUE) {
+ erts_free_aligned_binary_bytes(temp_alloc);
+ return res;
+ }
+
+ binary_to_integer_1_error:
+ erts_free_aligned_binary_bytes(temp_alloc);
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+BIF_RETTYPE binary_to_integer_2(BIF_ALIST_2)
+{
+ byte *temp_alloc = NULL;
+ char *bytes;
+ Uint size;
+ int base;
+ Eterm res;
+
+ if (!is_small(BIF_ARG_2))
+ BIF_ERROR(BIF_P, BADARG);
+
+ base = signed_val(BIF_ARG_2);
+
+ if (base < 2 || base > 36)
+ BIF_ERROR(BIF_P, BADARG);
+
+ if ((bytes = (char*)erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc))
+ == NULL )
+ goto binary_to_integer_2_error;
+
+ size = binary_size(BIF_ARG_1);
+
+ if ((res = erts_chars_to_integer(BIF_P,bytes,size,base)) != THE_NON_VALUE) {
+ erts_free_aligned_binary_bytes(temp_alloc);
+ return res;
+ }
+
+ binary_to_integer_2_error:
+
+ erts_free_aligned_binary_bytes(temp_alloc);
+ BIF_ERROR(BIF_P, BADARG);
+
+}
+
+BIF_RETTYPE integer_to_binary_1(BIF_ALIST_1)
+{
+ Uint size;
+ Eterm res;
+
+ if (is_not_integer(BIF_ARG_1)) {
+ BIF_ERROR(BIF_P, BADARG);
+ }
+
+ if (is_small(BIF_ARG_1)) {
+ char *c;
+ struct Sint_buf ibuf;
+
+ /* Enhancement: If we can calculate the buffer size exactly
+ * we could avoid an unnecessary copy of buffers.
+ * Useful if size determination is faster than a copy.
+ */
+ c = Sint_to_buf(signed_val(BIF_ARG_1), &ibuf);
+ size = sys_strlen(c);
+ res = new_binary(BIF_P, (byte *)c, size);
+ } else {
+ byte* bytes;
+ Uint n = 0;
+
+ /* Here we also have multiple copies of buffers
+ * due to new_binary interface
+ */
+ size = big_decimal_estimate(BIF_ARG_1) - 1; /* remove null */
+ bytes = (byte*) erts_alloc(ERTS_ALC_T_TMP, sizeof(byte)*size);
+ n = erts_big_to_binary_bytes(BIF_ARG_1, (char *)bytes, size);
+ res = new_binary(BIF_P, bytes + size - n, n);
+ erts_free(ERTS_ALC_T_TMP, (void *) bytes);
+ }
+ BIF_RET(res);
+}
BIF_RETTYPE binary_to_list_1(BIF_ALIST_1)
{
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index 59fe7ea418..0781665f05 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -2698,7 +2698,7 @@ BIF_RETTYPE setnode_3(BIF_ALIST_3)
*/
{
ErlDrvSizeT disable = ERL_DRV_BUSY_MSGQ_DISABLED;
- erl_drv_busy_msgq_limits((ErlDrvPort) pp, &disable, NULL);
+ erl_drv_busy_msgq_limits(ERTS_Port2ErlDrvPort(pp), &disable, NULL);
}
pp->dist_entry = dep;
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 187bc2b48b..ac7f420708 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -643,9 +643,9 @@ alcu_mseg_realloc(Allctr_t *allctr, void *seg, Uint old_size, Uint *new_size_p)
}
static ERTS_INLINE void
-alcu_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size)
+alcu_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size, Uint flags)
{
- erts_mseg_dealloc_opt(allctr->alloc_no, seg, size, &allctr->mseg_opt);
+ erts_mseg_dealloc_opt(allctr->alloc_no, seg, size, flags, &allctr->mseg_opt);
INC_CC(allctr->calls.mseg_dealloc);
}
@@ -2276,7 +2276,7 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags)
(void *) BLK2UMEM(old_blk),
MIN(new_blk_sz, old_blk_sz) - ABLK_HDR_SZ);
unlink_carrier(&allctr->sbc_list, old_crr);
- alcu_mseg_dealloc(allctr, old_crr, old_crr_sz);
+ alcu_mseg_dealloc(allctr, old_crr, old_crr_sz, ERTS_MSEG_FLG_NONE);
}
else {
/* Old carrier unchanged; restore stat */
@@ -2352,6 +2352,7 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk)
Carrier_t *crr;
#if HAVE_ERTS_MSEG
Uint is_mseg = 0;
+ Uint mseg_flags = ERTS_MSEG_FLG_NONE;
#endif
if (IS_SBC_BLK(blk)) {
@@ -2398,6 +2399,7 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk)
is_mseg++;
ASSERT(crr_sz % MSEG_UNIT_SZ == 0);
STAT_MSEG_MBC_FREE(allctr, crr_sz);
+ mseg_flags = ERTS_MSEG_FLG_2POW;
}
else
#endif
@@ -2411,7 +2413,7 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk)
#if HAVE_ERTS_MSEG
if (is_mseg) {
- alcu_mseg_dealloc(allctr, crr, crr_sz);
+ alcu_mseg_dealloc(allctr, crr, crr_sz, mseg_flags);
}
else
#endif
diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c
index f2ca193ace..831e29d8a2 100644
--- a/erts/emulator/beam/erl_async.c
+++ b/erts/emulator/beam/erl_async.c
@@ -612,8 +612,8 @@ long driver_async(ErlDrvPort ix, unsigned int* key,
sched_id = 1;
#endif
- prt = erts_drvport2port(ix, NULL);
- if (!prt)
+ prt = erts_drvport2port(ix);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c
index 7cea0bc2eb..1c3e955f47 100644
--- a/erts/emulator/beam/erl_bif_ddll.c
+++ b/erts/emulator/beam/erl_bif_ddll.c
@@ -141,7 +141,7 @@ kill_ports_driver_unloaded(DE_Handle *dh)
state = erts_atomic32_read_nob(&prt->state);
if (!(state & ERTS_PORT_SFLGS_DEAD) && prt->drv_ptr->handle == dh)
- driver_failure_atom((ErlDrvPort) prt, "driver_unloaded");
+ driver_failure_atom(ERTS_Port2ErlDrvPort(prt), "driver_unloaded");
erts_port_release(prt);
}
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index a601e4fb39..8582a8954b 100755
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -69,7 +69,11 @@ static char erts_system_version[] = ("Erlang " ERLANG_OTP_RELEASE
" [no-c-stack-objects]"
#endif
#ifndef OTP_RELEASE
+#ifdef ERLANG_GIT_VERSION
+ " [source-" ERLANG_GIT_VERSION "]"
+#else
" [source]"
+#endif
#endif
#ifdef ARCH_64
#if HALFWORD_HEAP
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index a9a50a10bf..e280563de1 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -408,6 +408,11 @@ EXTERN int driver_cancel_timer(ErlDrvPort port);
EXTERN int driver_read_timer(ErlDrvPort port, unsigned long *time_left);
/*
+ * Inform runtime system about lengthy work.
+ */
+EXTERN int erl_drv_consume_timeslice(ErlDrvPort port, int percent);
+
+/*
* Get plain-text error message from within a driver
*/
EXTERN char* erl_errno_id(int error);
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 223c9c4d7e..ec3e0d54cb 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -981,19 +981,64 @@ erl_start(int argc, char **argv)
break;
case 'f':
if (!strncmp(argv[i],"-fn",3)) {
+ int warning_type = ERL_FILENAME_WARNING_WARNING;
arg = get_arg(argv[i]+3, argv[i+1], &i);
switch (*arg) {
case 'u':
- erts_set_user_requested_filename_encoding(ERL_FILENAME_UTF8);
+ switch (*(argv[i]+4)) {
+ case 'w':
+ case 0:
+ break;
+ case 'i':
+ warning_type = ERL_FILENAME_WARNING_IGNORE;
+ break;
+ case 'e':
+ warning_type = ERL_FILENAME_WARNING_ERROR;
+ break;
+ default:
+ erts_fprintf(stderr, "bad type of warnings for "
+ "wrongly coded filename: %s\n", argv[i]+4);
+ erts_usage();
+ }
+ erts_set_user_requested_filename_encoding
+ (
+ ERL_FILENAME_UTF8,
+ warning_type
+ );
break;
case 'l':
- erts_set_user_requested_filename_encoding(ERL_FILENAME_LATIN1);
+ erts_set_user_requested_filename_encoding
+ (
+ ERL_FILENAME_LATIN1,
+ warning_type
+ );
break;
case 'a':
- erts_set_user_requested_filename_encoding(ERL_FILENAME_UNKNOWN);
+ switch (*(argv[i]+4)) {
+ case 'w':
+ case 0:
+ break;
+ case 'i':
+ warning_type = ERL_FILENAME_WARNING_IGNORE;
+ break;
+ case 'e':
+ warning_type = ERL_FILENAME_WARNING_ERROR;
+ break;
+ default:
+ erts_fprintf(stderr, "bad type of warnings for "
+ "wrongly coded filename: %s\n", argv[i]+4);
+ erts_usage();
+ }
+ erts_set_user_requested_filename_encoding
+ (
+ ERL_FILENAME_UNKNOWN,
+ warning_type
+ );
break;
default:
- erts_fprintf(stderr, "bad filename encoding %s, can be (l,u or a)\n", arg);
+ erts_fprintf(stderr, "bad filename encoding %s, can be "
+ "(l,u or a, optionally followed by w, "
+ "i or e)\n", arg);
erts_usage();
}
break;
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 068f904b76..d4c2b5bdcc 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -1443,6 +1443,19 @@ void* enif_dlsym(void* handle, const char* symbol,
return ret;
}
+int enif_consume_timeslice(ErlNifEnv* env, int percent)
+{
+ Sint reds;
+
+ ASSERT(is_proc_bound(env) && percent >= 1 && percent <= 100);
+ if (percent < 1) percent = 1;
+ else if (percent > 100) percent = 100;
+
+ reds = ((CONTEXT_REDS+99) / 100) * percent;
+ ASSERT(reds > 0 && reds <= CONTEXT_REDS);
+ BUMP_REDS(env->proc, reds);
+ return ERTS_BIF_REDS_LEFT(env->proc) == 0;
+}
/***************************************************************************
** load_nif/2 **
diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index 93e56332e1..62aebcab6c 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -32,10 +32,11 @@
** 2.0: R14A
** 2.1: R14B02 "vm_variant"
** 2.2: R14B03 enif_is_exception
-** 2.3: R15 enif_make_reverse_list
+** 2.3: R15 enif_make_reverse_list, enif_is_number
+** 2.4: R16 enif_consume_timeslice
*/
#define ERL_NIF_MAJOR_VERSION 2
-#define ERL_NIF_MINOR_VERSION 3
+#define ERL_NIF_MINOR_VERSION 4
#include <stdlib.h>
diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h
index af27573433..2f841645e1 100644
--- a/erts/emulator/beam/erl_nif_api_funcs.h
+++ b/erts/emulator/beam/erl_nif_api_funcs.h
@@ -140,6 +140,7 @@ ERL_NIF_API_FUNC_DECL(int,enif_make_reverse_list,(ErlNifEnv*, ERL_NIF_TERM term,
ERL_NIF_API_FUNC_DECL(int,enif_is_number,(ErlNifEnv*, ERL_NIF_TERM term));
ERL_NIF_API_FUNC_DECL(void*,enif_dlopen,(const char* lib, void (*err_handler)(void*,const char*), void* err_arg));
ERL_NIF_API_FUNC_DECL(void*,enif_dlsym,(void* handle, const char* symbol, void (*err_handler)(void*,const char*), void* err_arg));
+ERL_NIF_API_FUNC_DECL(int,enif_consume_timeslice,(ErlNifEnv*, int percent));
/*
** Add new entries here to keep compatibility on Windows!!!
@@ -264,6 +265,7 @@ ERL_NIF_API_FUNC_DECL(void*,enif_dlsym,(void* handle, const char* symbol, void (
# define enif_is_number ERL_NIF_API_FUNC_MACRO(enif_is_number)
# define enif_dlopen ERL_NIF_API_FUNC_MACRO(enif_dlopen)
# define enif_dlsym ERL_NIF_API_FUNC_MACRO(enif_dlsym)
+# define enif_consume_timeslice ERL_NIF_API_FUNC_MACRO(enif_consume_timeslice)
/*
** Add new entries here
diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h
index 65b4cd0bfe..ac4f7af5a7 100644
--- a/erts/emulator/beam/erl_port.h
+++ b/erts/emulator/beam/erl_port.h
@@ -40,7 +40,29 @@ extern int erts_port_parallelism;
typedef struct erts_driver_t_ erts_driver_t;
-#define ERTS_INVALID_ERL_DRV_PORT ((ErlDrvPort) (SWord) -1)
+/*
+ * It would have been preferred to use NULL as value of
+ * ERTS_INVALID_ERL_DRV_PORT. That would, however, not be
+ * backward compatible. In pre-R16 systems, 0 was a valid
+ * port handle and -1 was used as invalid handle, so we
+ * are stuck with it.
+ */
+#define ERTS_INVALID_ERL_DRV_PORT ((struct _erl_drv_port *) ((SWord) -1))
+#ifdef DEBUG
+/* Make sure we use this api, and do not cast directly */
+#define ERTS_ErlDrvPort2Port(PH) \
+ ((PH) == ERTS_INVALID_ERL_DRV_PORT \
+ ? ERTS_INVALID_ERL_DRV_PORT \
+ : ((Port *) ((PH) - 4711)))
+#define ERTS_Port2ErlDrvPort(PH) \
+ ((PH) == ERTS_INVALID_ERL_DRV_PORT \
+ ? ERTS_INVALID_ERL_DRV_PORT \
+ : ((ErlDrvPort) ((PH) + 4711)))
+#else
+#define ERTS_ErlDrvPort2Port(PH) ((Port *) (PH))
+#define ERTS_Port2ErlDrvPort(PH) ((ErlDrvPort) (PH))
+#endif
+
#define SMALL_IO_QUEUE 5 /* Number of fixed elements */
typedef struct {
@@ -153,6 +175,7 @@ struct _erl_drv_port {
ErlDrvPDL port_data_lock;
ErtsPrtSD *psd; /* Port specific data */
+ int reds; /* Only used while executing driver callbacks */
};
#define ERTS_PORT_GET_CONNECTED(PRT) \
@@ -429,16 +452,16 @@ ERTS_GLB_INLINE void erts_port_release(Port *);
ERTS_GLB_INLINE Port *erts_thr_id2port_sflgs(Eterm id, Uint32 invalid_sflgs);
ERTS_GLB_INLINE void erts_thr_port_release(Port *prt);
#endif
-ERTS_GLB_INLINE Port *erts_thr_drvport2port_raw(ErlDrvPort, int);
-ERTS_GLB_INLINE Port *erts_drvport2port_raw(ErlDrvPort drvport);
-ERTS_GLB_INLINE Port *erts_drvport2port(ErlDrvPort, erts_aint32_t *);
-ERTS_GLB_INLINE Port *erts_drvportid2port(Eterm);
+ERTS_GLB_INLINE Port *erts_thr_drvport2port(ErlDrvPort, int);
+ERTS_GLB_INLINE Port *erts_drvport2port_state(ErlDrvPort, erts_aint32_t *);
ERTS_GLB_INLINE Eterm erts_drvport2id(ErlDrvPort);
ERTS_GLB_INLINE Uint32 erts_portid2status(Eterm);
ERTS_GLB_INLINE int erts_is_port_alive(Eterm);
ERTS_GLB_INLINE int erts_is_valid_tracer_port(Eterm);
ERTS_GLB_INLINE int erts_port_driver_callback_epilogue(Port *, erts_aint32_t *);
+#define erts_drvport2port(Prt) erts_drvport2port_state((Prt), NULL)
+
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE Port *erts_pix2port(int ix)
@@ -620,90 +643,72 @@ erts_thr_port_release(Port *prt)
#endif
-ERTS_GLB_INLINE Port*
-erts_thr_drvport2port_raw(ErlDrvPort drvport, int lock_pdl)
+ERTS_GLB_INLINE Port *
+erts_thr_drvport2port(ErlDrvPort drvport, int lock_pdl)
{
+ Port *prt = ERTS_ErlDrvPort2Port(drvport);
+ ASSERT(prt != NULL);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
+ return ERTS_INVALID_ERL_DRV_PORT;
+
+ if (lock_pdl && prt->port_data_lock)
+ driver_pdl_lock(prt->port_data_lock);
+
#if ERTS_ENABLE_LOCK_CHECK
- int emu_thread = erts_lc_is_emu_thr();
-#endif
- if (drvport == ERTS_INVALID_ERL_DRV_PORT)
- return NULL;
- else {
- Port *prt = (Port *) drvport;
- if (lock_pdl && prt->port_data_lock)
- driver_pdl_lock(prt->port_data_lock);
-#if ERTS_ENABLE_LOCK_CHECK
- if (!ERTS_IS_CRASH_DUMPING) {
- if (emu_thread) {
- ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
- ERTS_LC_ASSERT(!prt->port_data_lock
- || erts_lc_mtx_is_locked(&prt->port_data_lock->mtx));
- }
- else {
- ERTS_LC_ASSERT(prt->port_data_lock);
- ERTS_LC_ASSERT(erts_lc_mtx_is_locked(&prt->port_data_lock->mtx));
- }
+ if (!ERTS_IS_CRASH_DUMPING) {
+ if (erts_lc_is_emu_thr()) {
+ ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
+ ERTS_LC_ASSERT(!prt->port_data_lock
+ || erts_lc_mtx_is_locked(&prt->port_data_lock->mtx));
+ }
+ else {
+ ERTS_LC_ASSERT(prt->port_data_lock);
+ ERTS_LC_ASSERT(erts_lc_mtx_is_locked(&prt->port_data_lock->mtx));
}
-#endif
- return prt;
}
-}
+#endif
-ERTS_GLB_INLINE Port*
-erts_drvport2port_raw(ErlDrvPort drvport)
-{
- ERTS_LC_ASSERT(erts_lc_is_emu_thr());
- if (drvport == ERTS_INVALID_ERL_DRV_PORT)
- return NULL;
- else {
- Port *prt = (Port *) drvport;
- ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt)
- || ERTS_IS_CRASH_DUMPING);
- return prt;
+ if (erts_atomic32_read_nob(&prt->state)
+ & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP) {
+ if (lock_pdl && prt->port_data_lock)
+ driver_pdl_unlock(prt->port_data_lock);
+ return ERTS_INVALID_ERL_DRV_PORT;
}
-}
-
-ERTS_GLB_INLINE Port*
-erts_drvport2port(ErlDrvPort drvport, erts_aint32_t *statep)
-{
- Port *prt = erts_drvport2port_raw(drvport);
- erts_aint32_t state;
- if (!prt)
- return NULL;
- state = erts_atomic32_read_nob(&prt->state);
- if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
- return NULL;
- if (statep)
- *statep = state;
return prt;
}
-ERTS_GLB_INLINE Port*
-erts_drvportid2port(Eterm id)
+ERTS_GLB_INLINE Port *
+erts_drvport2port_state(ErlDrvPort drvport, erts_aint32_t *statep)
{
- Port *prt;
+ Port *prt = ERTS_ErlDrvPort2Port(drvport);
erts_aint32_t state;
- if (is_not_internal_port(id))
- return NULL;
- prt = (Port *) erts_ptab_pix2intptr_nob(&erts_port,
- internal_port_index(id));
- if (!prt)
- return NULL;
+ ASSERT(prt);
+ ERTS_LC_ASSERT(erts_lc_is_emu_thr());
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
+ return ERTS_INVALID_ERL_DRV_PORT;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt)
|| ERTS_IS_CRASH_DUMPING);
- if (prt->common.id != id)
- return NULL;
+ /*
+ * This state check is only needed since a driver callback
+ * might terminate the port, and then call back into the
+ * emulator. Drivers should preferably have been forbidden
+ * to call into the emulator after terminating the port,
+ * but it has been like this for ages. Perhaps forbid this
+ * in some future major release?
+ */
state = erts_atomic32_read_nob(&prt->state);
if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
- return NULL;
+ return ERTS_INVALID_ERL_DRV_PORT;
+ if (statep)
+ *statep = state;
return prt;
}
ERTS_GLB_INLINE Eterm
erts_drvport2id(ErlDrvPort drvport)
{
- Port *prt = erts_drvport2port_raw(drvport);
- if (!prt)
+ Port *prt = erts_drvport2port(drvport);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return am_undefined;
else
return prt->common.id;
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index dbc4a06c2d..ce045ec94e 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -685,12 +685,12 @@ enqueue_proc2port_data(Port *pp,
void
erl_drv_busy_msgq_limits(ErlDrvPort dport, ErlDrvSizeT *lowp, ErlDrvSizeT *highp)
{
- Port *pp = erts_drvport2port(dport, NULL);
- ErtsPortTaskBusyPortQ *bpq = pp->sched.taskq.bpq;
+ Port *pp = erts_drvport2port(dport);
+ ErtsPortTaskBusyPortQ *bpq;
int written = 0, resume_procs = 0;
ErlDrvSizeT low, high;
- if (!pp || !bpq) {
+ if (pp == ERTS_INVALID_ERL_DRV_PORT || !(bpq = pp->sched.taskq.bpq)) {
if (lowp)
*lowp = ERL_DRV_BUSY_MSGQ_DISABLED;
if (highp)
@@ -1160,6 +1160,27 @@ select_task_for_exec(Port *pp,
}
/*
+ * Cut time slice
+ */
+
+int
+erl_drv_consume_timeslice(ErlDrvPort dprt, int percent)
+{
+ Port *pp = erts_drvport2port(dprt);
+ if (pp == ERTS_INVALID_ERL_DRV_PORT)
+ return -1;
+ if (percent < 1)
+ percent = 1;
+ else if (100 < percent)
+ percent = 100;
+ pp->reds += percent*((CONTEXT_REDS+99)/100);
+ if (pp->reds < CONTEXT_REDS)
+ return 0;
+ pp->reds = CONTEXT_REDS;
+ return 1;
+}
+
+/*
* Abort a scheduled task.
*/
@@ -1509,7 +1530,6 @@ fail:
void
erts_port_task_free_port(Port *pp)
{
- ErtsProcList *suspended;
erts_aint32_t flags;
ErtsRunQueue *runq;
@@ -1522,19 +1542,16 @@ erts_port_task_free_port(Port *pp)
erts_port_task_sched_lock(&pp->sched);
flags = erts_smp_atomic32_read_bor_relb(&pp->sched.flags,
ERTS_PTS_FLG_EXIT);
- suspended = pp->suspended;
- pp->suspended = NULL;
erts_port_task_sched_unlock(&pp->sched);
erts_atomic32_read_bset_relb(&pp->state,
- (ERTS_PORT_SFLG_CLOSING
+ (ERTS_PORT_SFLG_CONNECTED
+ | ERTS_PORT_SFLG_EXITING
+ | ERTS_PORT_SFLG_CLOSING
| ERTS_PORT_SFLG_FREE),
ERTS_PORT_SFLG_FREE);
erts_smp_runq_unlock(runq);
- if (erts_proclist_fetch(&suspended, NULL))
- erts_resume_processes(suspended);
-
if (!(flags & (ERTS_PTS_FLG_IN_RUNQ|ERTS_PTS_FLG_EXEC)))
begin_port_cleanup(pp, NULL, NULL);
}
@@ -1554,7 +1571,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
int processing_busy_q;
int res = 0;
int vreds = 0;
- int reds = ERTS_PORT_REDS_EXECUTE;
+ int reds = 0;
erts_aint_t io_tasks_executed = 0;
int fpe_was_unmasked;
erts_aint32_t state;
@@ -1599,6 +1616,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
fpe_was_unmasked = erts_block_fpe();
state = erts_atomic32_read_nob(&pp->state);
+ pp->reds = ERTS_PORT_REDS_EXECUTE;
goto begin_handle_tasks;
while (1) {
@@ -1625,14 +1643,14 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
switch (ptp->type) {
case ERTS_PORT_TASK_TIMEOUT:
- reds += ERTS_PORT_REDS_TIMEOUT;
+ reds = ERTS_PORT_REDS_TIMEOUT;
if (!(state & ERTS_PORT_SFLGS_DEAD)) {
DTRACE_DRIVER(driver_timeout, pp);
(*pp->drv_ptr->timeout)((ErlDrvData) pp->drv_data);
}
break;
case ERTS_PORT_TASK_INPUT:
- reds += ERTS_PORT_REDS_INPUT;
+ reds = ERTS_PORT_REDS_INPUT;
ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
DTRACE_DRIVER(driver_ready_input, pp);
/* NOTE some windows drivers use ->ready_input for input and output */
@@ -1641,7 +1659,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
io_tasks_executed++;
break;
case ERTS_PORT_TASK_OUTPUT:
- reds += ERTS_PORT_REDS_OUTPUT;
+ reds = ERTS_PORT_REDS_OUTPUT;
ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
DTRACE_DRIVER(driver_ready_output, pp);
(*pp->drv_ptr->ready_output)((ErlDrvData) pp->drv_data,
@@ -1649,7 +1667,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
io_tasks_executed++;
break;
case ERTS_PORT_TASK_EVENT:
- reds += ERTS_PORT_REDS_EVENT;
+ reds = ERTS_PORT_REDS_EVENT;
ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
DTRACE_DRIVER(driver_event, pp);
(*pp->drv_ptr->event)((ErlDrvData) pp->drv_data,
@@ -1661,22 +1679,22 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
ErtsProc2PortSigData *sigdp = &ptp->u.alive.td.psig.data;
ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
if (!pp->sched.taskq.bpq)
- reds += ptp->u.alive.td.psig.callback(pp,
- state,
- ERTS_PROC2PORT_SIG_EXEC,
- sigdp);
+ reds = ptp->u.alive.td.psig.callback(pp,
+ state,
+ ERTS_PROC2PORT_SIG_EXEC,
+ sigdp);
else {
ErlDrvSizeT size = erts_proc2port_sig_command_data_size(sigdp);
- reds += ptp->u.alive.td.psig.callback(pp,
- state,
- ERTS_PROC2PORT_SIG_EXEC,
- sigdp);
+ reds = ptp->u.alive.td.psig.callback(pp,
+ state,
+ ERTS_PROC2PORT_SIG_EXEC,
+ sigdp);
dequeued_proc2port_data(pp, size);
}
break;
}
case ERTS_PORT_TASK_DIST_CMD:
- reds += erts_dist_command(pp, CONTEXT_REDS-reds);
+ reds = erts_dist_command(pp, CONTEXT_REDS - pp->reds);
break;
default:
erl_exit(ERTS_ABORT_EXIT,
@@ -1701,7 +1719,10 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
vreds += ERTS_PORT_CALLBACK_VREDS;
reds += ERTS_PORT_CALLBACK_VREDS;
- if (reds >= CONTEXT_REDS)
+ pp->reds += reds;
+ reds = 0;
+
+ if (pp->reds >= CONTEXT_REDS)
break;
}
@@ -1725,6 +1746,8 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
active = finalize_exec(pp, &execq, processing_busy_q);
+ reds = pp->reds - vreds;
+
erts_port_release(pp);
*curr_port_pp = NULL;
@@ -1770,7 +1793,6 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
res = (erts_smp_atomic_read_nob(&erts_port_task_outstanding_io_tasks)
!= (erts_aint_t) 0);
- reds -= vreds;
runq->scheduler->reductions += reds;
ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(runq));
@@ -1793,10 +1815,11 @@ begin_port_cleanup(Port *pp, ErtsPortTask **execqp, int *processing_busy_q_p)
int i, max;
ErtsPortTaskBusyCallerTable *tabp;
ErtsPortTask *qs[3];
+ ErtsPortTaskHandleList *free_nshp = NULL;
+ ErtsProcList *plp;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(pp));
-
/*
* Abort remaining tasks...
*
@@ -1935,7 +1958,42 @@ begin_port_cleanup(Port *pp, ErtsPortTask **execqp, int *processing_busy_q_p)
erts_smp_atomic32_read_band_nob(&pp->sched.flags,
~(ERTS_PTS_FLG_HAVE_BUSY_TASKS
- |ERTS_PTS_FLG_HAVE_TASKS));
+ |ERTS_PTS_FLG_HAVE_TASKS
+ |ERTS_PTS_FLGS_BUSY));
+
+ erts_port_task_sched_lock(&pp->sched);
+
+ /* Cleanup nosuspend handles... */
+ free_nshp = (pp->sched.taskq.local.busy.nosuspend
+ ? get_free_nosuspend_handles(pp)
+ : NULL);
+ ASSERT(!pp->sched.taskq.local.busy.nosuspend);
+
+ /* Make sure not to leave any processes suspended on the port... */
+ plp = pp->suspended;
+ pp->suspended = NULL;
+
+ erts_port_task_sched_unlock(&pp->sched);
+
+ if (free_nshp)
+ free_nosuspend_handles(free_nshp);
+
+ if (erts_proclist_fetch(&plp, NULL)) {
+#ifdef USE_VM_PROBES
+ if (DTRACE_ENABLED(process_port_unblocked)) {
+ DTRACE_CHARBUF(port_str, 16);
+ DTRACE_CHARBUF(pid_str, 16);
+ ErtsProcList* plp2 = plp;
+
+ erts_snprintf(port_str, sizeof(port_str), "%T", pp->common.id);
+ while (plp2 != NULL) {
+ erts_snprintf(pid_str, sizeof(pid_str), "%T", plp2->pid);
+ DTRACE2(process_port_unblocked, pid_str, port_str);
+ }
+ }
+#endif
+ erts_resume_processes(plp);
+ }
/*
* Schedule cleanup of port structure...
diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c
index 99108af937..80982f3760 100644
--- a/erts/emulator/beam/erl_unicode.c
+++ b/erts/emulator/beam/erl_unicode.c
@@ -2573,8 +2573,20 @@ BIF_RETTYPE prim_file_internal_native2name_1(BIF_ALIST_1)
case ERL_FILENAME_UTF8:
bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
if (erts_analyze_utf8(bytes,size,&err_pos,&num_chars,NULL) != ERTS_UTF8_OK) {
+ Eterm *hp = HAlloc(BIF_P,3);
+ Eterm warn_type = NIL;
erts_free_aligned_binary_bytes(temp_alloc);
- goto noconvert;
+ switch (erts_get_filename_warning_type()) {
+ case ERL_FILENAME_WARNING_IGNORE:
+ warn_type = am_ignore;
+ break;
+ case ERL_FILENAME_WARNING_ERROR:
+ warn_type = am_error;
+ break;
+ default:
+ warn_type = am_warning;
+ }
+ BIF_RET(TUPLE2(hp,am_error,warn_type));
}
num_built = 0;
num_eaten = 0;
@@ -2607,9 +2619,8 @@ BIF_RETTYPE prim_file_internal_native2name_1(BIF_ALIST_1)
erts_free_aligned_binary_bytes(temp_alloc);
BIF_RET(ret);
default:
- goto noconvert;
+ break;
}
- noconvert:
BIF_RET(BIF_ARG_1);
}
@@ -2646,6 +2657,52 @@ BIF_RETTYPE prim_file_internal_normalize_utf8_1(BIF_ALIST_1)
BIF_RET(ret);
}
+BIF_RETTYPE prim_file_is_translatable_1(BIF_ALIST_1)
+{
+ ERTS_DECLARE_DUMMY(Eterm real_bin);
+ ERTS_DECLARE_DUMMY(Uint offset);
+ Uint size;
+ Uint num_chars;
+ Uint bitsize;
+ ERTS_DECLARE_DUMMY(Uint bitoffs);
+ byte *temp_alloc = NULL;
+ byte *bytes;
+ byte *err_pos;
+ int status;
+
+ if (is_not_binary(BIF_ARG_1)) {
+ BIF_ERROR(BIF_P,BADARG);
+ }
+ size = binary_size(BIF_ARG_1);
+ ERTS_GET_REAL_BIN(BIF_ARG_1, real_bin, offset, bitoffs, bitsize);
+ if (bitsize != 0) {
+ BIF_ERROR(BIF_P,BADARG);
+ }
+ if (size == 0) {
+ BIF_RET(am_true);
+ }
+
+ /*
+ * If the encoding is latin1, the pathname is always translatable.
+ */
+ switch (erts_get_native_filename_encoding()) {
+ case ERL_FILENAME_LATIN1:
+ BIF_RET(am_true);
+ case ERL_FILENAME_WIN_WCHAR:
+ if (erts_get_user_requested_filename_encoding() == ERL_FILENAME_LATIN1) {
+ BIF_RET(am_true);
+ }
+ }
+
+ /*
+ * Check whether the binary contains legal UTF-8 sequences.
+ */
+ bytes = erts_get_aligned_binary_bytes(BIF_ARG_1, &temp_alloc);
+ status = erts_analyze_utf8(bytes, size, &err_pos, &num_chars, NULL);
+ erts_free_aligned_binary_bytes(temp_alloc);
+ BIF_RET(status == ERTS_UTF8_OK ? am_true : am_false);
+}
+
BIF_RETTYPE file_native_name_encoding_0(BIF_ALIST_0)
{
switch (erts_get_native_filename_encoding()) {
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 3ea4b24848..b73c883658 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -82,11 +82,11 @@ static void pdl_init(void);
#ifdef ERTS_SMP
static void driver_monitor_lock_pdl(Port *p);
static void driver_monitor_unlock_pdl(Port *p);
-#define DRV_MONITOR_LOOKUP_PORT_LOCK_PDL(Port) erts_thr_drvport2port_raw((Port), 1)
+#define DRV_MONITOR_LOOKUP_PORT_LOCK_PDL(Port) erts_thr_drvport2port((Port), 1)
#define DRV_MONITOR_LOCK_PDL(Port) driver_monitor_lock_pdl(Port)
#define DRV_MONITOR_UNLOCK_PDL(Port) driver_monitor_unlock_pdl(Port)
#else
-#define DRV_MONITOR_LOOKUP_PORT_LOCK_PDL(Port) erts_thr_drvport2port_raw((Port), 0)
+#define DRV_MONITOR_LOOKUP_PORT_LOCK_PDL(Port) erts_thr_drvport2port((Port), 0)
#define DRV_MONITOR_LOCK_PDL(Port) /* nothing */
#define DRV_MONITOR_UNLOCK_PDL(Port) /* nothing */
#endif
@@ -97,12 +97,10 @@ static void driver_monitor_unlock_pdl(Port *p);
static ERTS_INLINE ErlIOQueue*
drvport2ioq(ErlDrvPort drvport)
{
- Port *prt = erts_thr_drvport2port_raw(drvport, 0);
- erts_aint32_t state = erts_atomic32_read_nob(&prt->state);
- if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
+ Port *prt = erts_thr_drvport2port(drvport, 0);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return NULL;
- else
- return &prt->ioq;
+ return &prt->ioq;
}
static ERTS_INLINE int
@@ -178,6 +176,22 @@ typedef struct line_buf_context {
\
dtrace_proc_str((PID), process_str); \
dtrace_port_str((PORT), port_str);
+
+void
+dtrace_drvport_str(ErlDrvPort drvport, char *port_buf)
+{
+ Port *port = erts_drvport2port(drvport);
+
+ if (port != ERTS_INVALID_ERL_DRV_PORT)
+ erts_snprintf(port_buf, DTRACE_TERM_BUF_SIZE, "#Port<%lu.%lu>",
+ port_channel_no(port->common.id),
+ port_number(port->common.id));
+ else
+ erts_snprintf(port_buf, DTRACE_TERM_BUF_SIZE, "#Port<INVALID>",
+ port_channel_no(port->common.id),
+ port_number(port->common.id));
+}
+
#endif
static ERTS_INLINE void
@@ -683,7 +697,7 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */
}
#endif
fpe_was_unmasked = erts_block_fpe();
- drv_data = (*driver->start)((ErlDrvPort) port, name, opts);
+ drv_data = (*driver->start)(ERTS_Port2ErlDrvPort(port), name, opts);
if (((SWord) drv_data) == -1)
error_type = -1;
else if (((SWord) drv_data) == -2) {
@@ -777,8 +791,8 @@ driver_create_port(ErlDrvPort creator_port_ix, /* Creating port */
if (!erts_get_scheduler_id())
return ERTS_INVALID_ERL_DRV_PORT;
- creator_port = erts_drvport2port(creator_port_ix, NULL);
- if (!creator_port)
+ creator_port = erts_drvport2port(creator_port_ix);
+ if (creator_port == ERTS_INVALID_ERL_DRV_PORT)
return ERTS_INVALID_ERL_DRV_PORT;
rp = erts_proc_lookup(pid);
@@ -849,7 +863,7 @@ driver_create_port(ErlDrvPort creator_port_ix, /* Creating port */
port->drv_data = (UWord) drv_data;
- return (ErlDrvPort) port;
+ return ERTS_Port2ErlDrvPort(port);
}
#ifdef ERTS_SMP
@@ -1185,6 +1199,7 @@ typedef struct {
int async; /* Asynchronous operation */
int pre_chk_sched_flags; /* Check sched flags before lock? */
int fpe_was_unmasked;
+ int reds_left_in;
} ErtsTryImmDrvCallState;
#define ERTS_INIT_TRY_IMM_DRV_CALL_STATE(C_P, PRT, SFLGS, PTS_FLGS, A, PRT_OP) \
@@ -1199,6 +1214,7 @@ static ERTS_INLINE ErtsTryImmDrvCallResult
try_imm_drv_call(ErtsTryImmDrvCallState *sp)
{
ErtsTryImmDrvCallResult res;
+ int reds_left_in;
erts_aint32_t invalid_state, invalid_sched_flags;
Port *prt = sp->port;
Process *c_p = sp->c_p;
@@ -1232,16 +1248,24 @@ try_imm_drv_call(ErtsTryImmDrvCallState *sp)
goto locked_fail;
}
- if (c_p) {
+
+ if (!c_p)
+ reds_left_in = CONTEXT_REDS/10;
+ else {
if (IS_TRACED_FL(c_p, F_TRACE_SCHED_PROCS))
trace_virtual_sched(c_p, am_out);
if (erts_system_profile_flags.runnable_procs
&& erts_system_profile_flags.exclusive)
profile_runnable_proc(c_p, am_inactive);
+ reds_left_in = ERTS_BIF_REDS_LEFT(c_p);
erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_MAIN);
}
+ ASSERT(0 <= reds_left_in && reds_left_in <= CONTEXT_REDS);
+ sp->reds_left_in = reds_left_in;
+ prt->reds = CONTEXT_REDS - reds_left_in;
+
ERTS_SMP_CHK_NO_PROC_LOCKS;
if (IS_TRACED_FL(prt, F_TRACE_SCHED_PORTS))
@@ -1262,10 +1286,12 @@ locked_fail:
static ERTS_INLINE void
finalize_imm_drv_call(ErtsTryImmDrvCallState *sp)
{
+ int reds;
Port *prt = sp->port;
Process *c_p = sp->c_p;
- erts_port_driver_callback_epilogue(prt, NULL);
+ reds = prt->reds;
+ reds += erts_port_driver_callback_epilogue(prt, NULL);
erts_unblock_fpe(sp->fpe_was_unmasked);
@@ -1280,6 +1306,12 @@ finalize_imm_drv_call(ErtsTryImmDrvCallState *sp)
if (c_p) {
erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MAIN);
+ if (reds != (CONTEXT_REDS - sp->reds_left_in)) {
+ int bump_reds = reds - (CONTEXT_REDS - sp->reds_left_in);
+ ASSERT(bump_reds > 0);
+ BUMP_REDS(c_p, bump_reds);
+ }
+
if (IS_TRACED_FL(c_p, F_TRACE_SCHED_PROCS))
trace_virtual_sched(c_p, am_in);
if (erts_system_profile_flags.runnable_procs
@@ -3470,7 +3502,7 @@ erts_deliver_port_exit(Port *p, Eterm from, Eterm reason, int send_closed)
{
ErtsLink *lnk;
Eterm rreason;
- erts_aint32_t state;
+ erts_aint32_t state, set_state_flags;
ERTS_SMP_CHK_NO_PROC_LOCKS;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(p));
@@ -3499,9 +3531,12 @@ erts_deliver_port_exit(Port *p, Eterm from, Eterm reason, int send_closed)
if (reason == am_normal && from != ERTS_PORT_GET_CONNECTED(p) && from != p->common.id)
return 0;
+ set_state_flags = ERTS_PORT_SFLG_EXITING;
if (send_closed)
- erts_atomic32_read_bor_relb(&p->state,
- ERTS_PORT_SFLG_SEND_CLOSED);
+ set_state_flags |= ERTS_PORT_SFLG_SEND_CLOSED;
+
+ state = erts_atomic32_read_bor_mb(&p->state, set_state_flags);
+ state |= set_state_flags;
if (IS_TRACED_FL(p, F_TRACE_PORTS)) {
trace_port(p, am_closed, reason);
@@ -3509,17 +3544,11 @@ erts_deliver_port_exit(Port *p, Eterm from, Eterm reason, int send_closed)
erts_trace_check_exiting(p->common.id);
- /*
- * Setting the port to not busy here, frees the list of pending
- * processes and makes them runnable.
- */
- set_busy_port((ErlDrvPort) p, 0);
+ set_busy_port(ERTS_Port2ErlDrvPort(p), 0);
if (p->common.u.alive.reg != NULL)
(void) erts_unregister_name(NULL, 0, p, p->common.u.alive.reg->name);
- state = erts_atomic32_read_bor_relb(&p->state, ERTS_PORT_SFLG_EXITING);
-
{
SweepContext sc = {p->common.id, rreason};
lnk = ERTS_P_LINKS(p);
@@ -4759,8 +4788,8 @@ set_busy_port(ErlDrvPort dprt, int on)
ERTS_SMP_CHK_NO_PROC_LOCKS;
- prt = erts_drvport2port_raw(dprt);
- if (!prt)
+ prt = erts_drvport2port(dprt);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return;
if (on) {
@@ -4859,8 +4888,8 @@ erts_port_resume_procs(Port *prt)
void set_port_control_flags(ErlDrvPort port_num, int flags)
{
- Port *prt = erts_drvport2port_raw(port_num);
- if (prt)
+ Port *prt = erts_drvport2port(port_num);
+ if (prt != ERTS_INVALID_ERL_DRV_PORT)
prt->control_flags = flags;
}
@@ -4870,8 +4899,8 @@ int get_port_flags(ErlDrvPort ix)
Port *prt;
erts_aint32_t state;
- prt = erts_drvport2port(ix, &state);
- if (!prt)
+ prt = erts_drvport2port_state(ix, &state);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return 0;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
@@ -4960,7 +4989,7 @@ erts_stale_drv_select(Eterm port,
int deselect)
{
char *type;
- ErlDrvPort drv_port = (ErlDrvPort) erts_port_lookup_raw(port);
+ ErlDrvPort drv_port = ERTS_Port2ErlDrvPort(erts_port_lookup_raw(port));
ErtsPortNames *pnp = erts_get_port_names(port);
erts_dsprintf_buf_t *dsbufp;
@@ -5082,7 +5111,6 @@ ErlDrvTermData driver_mk_term_nil(void)
void driver_report_exit(ErlDrvPort ix, int status)
{
- Port* prt = erts_drvport2port(ix, NULL);
Eterm* hp;
Eterm tuple;
Process *rp;
@@ -5091,6 +5119,10 @@ void driver_report_exit(ErlDrvPort ix, int status)
ErlOffHeap *ohp;
ErtsProcLocks rp_locks = 0;
int scheduler = erts_get_scheduler_id() != 0;
+ Port* prt = erts_drvport2port(ix);
+
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
+ return;
ERTS_SMP_CHK_NO_PROC_LOCKS;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
@@ -5687,8 +5719,18 @@ deliver_term_check_port(ErlDrvTermData port_id, Eterm *connected_p)
#ifdef ERTS_SMP
ErtsThrPrgrDelayHandle dhndl = erts_thr_progress_unmanaged_delay();
#endif
+ erts_aint32_t state;
Port *prt = erts_port_lookup_raw((Eterm) port_id);
- erts_aint32_t state = erts_atomic32_read_nob(&prt->state);
+ if (!prt)
+ return -1;
+ state = erts_atomic32_read_nob(&prt->state);
+ if (state & (ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP
+ | ERTS_PORT_SFLG_CLOSING)) {
+ if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
+ return -1;
+ else
+ return 0;
+ }
if (connected_p) {
#ifdef ERTS_SMP
if (dhndl != ERTS_THR_PRGR_DHANDLE_MANAGED)
@@ -5705,9 +5747,7 @@ deliver_term_check_port(ErlDrvTermData port_id, Eterm *connected_p)
ERTS_SMP_LC_ASSERT(dhndl == ERTS_THR_PRGR_DHANDLE_MANAGED
? erts_lc_is_port_locked(prt)
: !erts_lc_is_port_locked(prt));
- return ((state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
- ? -1
- : ((state & ERTS_PORT_SFLG_CLOSING) ? 0 : 1));
+ return 1;
}
int erl_drv_output_term(ErlDrvTermData port_id, ErlDrvTermData* data, int len)
@@ -5733,14 +5773,12 @@ driver_output_term(ErlDrvPort drvport, ErlDrvTermData* data, int len)
ERTS_SMP_CHK_NO_PROC_LOCKS;
/* NOTE! It *not* safe to access 'drvport' from unmanaged threads. */
- prt = erts_drvport2port(drvport, &state);
- if (!prt)
+ prt = erts_drvport2port_state(drvport, &state);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1; /* invalid (dead) */
ERTS_SMP_CHK_NO_PROC_LOCKS;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
- if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
- return -1;
- else if (state & ERTS_PORT_SFLG_CLOSING)
+ if (state & ERTS_PORT_SFLG_CLOSING)
return 0;
return driver_deliver_term(ERTS_PORT_GET_CONNECTED(prt), data, len);
@@ -5780,13 +5818,11 @@ driver_send_term(ErlDrvPort drvport,
#endif
{
erts_aint32_t state;
- Port* prt = erts_drvport2port(drvport, &state);
- if (!prt)
+ Port* prt = erts_drvport2port_state(drvport, &state);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1; /* invalid (dead) */
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
- if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
- return -1;
- else if (state & ERTS_PORT_SFLG_CLOSING)
+ if (state & ERTS_PORT_SFLG_CLOSING)
return 0;
}
return driver_deliver_term(to, data, len);
@@ -5802,11 +5838,11 @@ int driver_output_binary(ErlDrvPort ix, char* hbuf, ErlDrvSizeT hlen,
ErlDrvBinary* bin, ErlDrvSizeT offs, ErlDrvSizeT len)
{
erts_aint32_t state;
- Port* prt = erts_drvport2port(ix, &state);
+ Port* prt = erts_drvport2port_state(ix, &state);
ERTS_SMP_CHK_NO_PROC_LOCKS;
- if (prt == NULL)
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
if (state & ERTS_PORT_SFLG_CLOSING)
@@ -5837,15 +5873,14 @@ int driver_output2(ErlDrvPort ix, char* hbuf, ErlDrvSizeT hlen,
char* buf, ErlDrvSizeT len)
{
erts_aint32_t state;
- Port* prt = erts_drvport2port(ix, &state);
+ Port* prt = erts_drvport2port_state(ix, &state);
ERTS_SMP_CHK_NO_PROC_LOCKS;
- if (prt == NULL)
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
-
if (state & ERTS_PORT_SFLG_CLOSING)
return 0;
@@ -5902,8 +5937,8 @@ int driver_outputv(ErlDrvPort ix, char* hbuf, ErlDrvSizeT hlen,
if (hlen < 0)
hlen = 0;
- prt = erts_drvport2port(ix, &state);
- if (prt == NULL)
+ prt = erts_drvport2port_state(ix, &state);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
@@ -6179,8 +6214,8 @@ ErlDrvPDL
driver_pdl_create(ErlDrvPort dp)
{
ErlDrvPDL pdl;
- Port *pp = erts_drvport2port(dp, NULL);
- if (!pp || pp->port_data_lock)
+ Port *pp = erts_drvport2port(dp);
+ if (pp == ERTS_INVALID_ERL_DRV_PORT || pp->port_data_lock)
return NULL;
pdl = erts_alloc(ERTS_ALC_T_PORT_DATA_LOCK,
sizeof(struct erl_drv_port_data_lock));
@@ -6638,11 +6673,11 @@ drv_cancel_timer(Port *prt)
int driver_set_timer(ErlDrvPort ix, unsigned long t)
{
- Port* prt = erts_drvport2port(ix, NULL);
+ Port* prt = erts_drvport2port(ix);
ERTS_SMP_CHK_NO_PROC_LOCKS;
- if (prt == NULL)
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
if (prt->drv_ptr->timeout == NULL)
@@ -6665,8 +6700,8 @@ int driver_set_timer(ErlDrvPort ix, unsigned long t)
int driver_cancel_timer(ErlDrvPort ix)
{
- Port* prt = erts_drvport2port(ix, NULL);
- if (prt == NULL)
+ Port* prt = erts_drvport2port(ix);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
drv_cancel_timer(prt);
@@ -6677,11 +6712,11 @@ int driver_cancel_timer(ErlDrvPort ix)
int
driver_read_timer(ErlDrvPort ix, unsigned long* t)
{
- Port* prt = erts_drvport2port(ix, NULL);
+ Port* prt = erts_drvport2port(ix);
ERTS_SMP_CHK_NO_PROC_LOCKS;
- if (prt == NULL)
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
#ifdef ERTS_SMP
@@ -6757,19 +6792,13 @@ int driver_monitor_process(ErlDrvPort drvport,
{
Port *prt;
int ret;
- erts_aint32_t state;
#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK))
ErtsSchedulerData *sched = erts_get_scheduler_data();
#endif
prt = DRV_MONITOR_LOOKUP_PORT_LOCK_PDL(drvport);
-
- state = erts_atomic32_read_nob(&prt->state);
-
- if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP) {
- DRV_MONITOR_UNLOCK_PDL(prt);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
- }
/* Now (in SMP) we should have either the port lock (if we have a scheduler) or the port data lock
(if we're a driver thread) */
@@ -6836,19 +6865,13 @@ int driver_demonitor_process(ErlDrvPort drvport,
{
Port *prt;
int ret;
- erts_aint32_t state;
#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK))
ErtsSchedulerData *sched = erts_get_scheduler_data();
#endif
prt = DRV_MONITOR_LOOKUP_PORT_LOCK_PDL(drvport);
-
- state = erts_atomic32_read_nob(&prt->state);
-
- if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP) {
- DRV_MONITOR_UNLOCK_PDL(prt);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
- }
/* Now we should have either the port lock (if we have a scheduler) or the port data lock
(if we're a driver thread) */
@@ -6897,18 +6920,13 @@ ErlDrvTermData driver_get_monitored_process(ErlDrvPort drvport,
{
Port *prt;
ErlDrvTermData ret;
- erts_aint32_t state;
#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK))
ErtsSchedulerData *sched = erts_get_scheduler_data();
#endif
prt = DRV_MONITOR_LOOKUP_PORT_LOCK_PDL(drvport);
-
- state = erts_atomic32_read_nob(&prt->state);
- if (state & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP) {
- DRV_MONITOR_UNLOCK_PDL(prt);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return driver_term_nil;
- }
/* Now we should have either the port lock (if we have a scheduler) or the port data lock
(if we're a driver thread) */
@@ -6981,11 +6999,11 @@ static int
driver_failure_term(ErlDrvPort ix, Eterm term, int eof)
{
erts_aint32_t state;
- Port* prt = erts_drvport2port(ix, &state);
+ Port* prt = erts_drvport2port_state(ix, &state);
ERTS_SMP_CHK_NO_PROC_LOCKS;
- if (prt == NULL)
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
if (eof)
@@ -7014,14 +7032,14 @@ driver_failure_term(ErlDrvPort ix, Eterm term, int eof)
*/
int driver_exit(ErlDrvPort ix, int err)
{
- Port* prt = erts_drvport2port(ix, NULL);
+ Port* prt = erts_drvport2port(ix);
Process* rp;
ErtsLink *lnk, *rlnk = NULL;
Eterm connected;
ERTS_SMP_CHK_NO_PROC_LOCKS;
- if (prt == NULL)
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
connected = ERTS_PORT_GET_CONNECTED(prt);
@@ -7095,16 +7113,18 @@ ErlDrvTermData driver_mk_atom(char* string)
ErlDrvTermData driver_mk_port(ErlDrvPort ix)
{
- Port* prt = erts_drvport2port(ix, NULL);
+ Port* prt = erts_drvport2port(ix);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
+ return (ErlDrvTermData) NIL;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
return (ErlDrvTermData) prt->common.id;
}
ErlDrvTermData driver_connected(ErlDrvPort ix)
{
- Port* prt = erts_drvport2port(ix, NULL);
+ Port* prt = erts_drvport2port(ix);
ERTS_SMP_CHK_NO_PROC_LOCKS;
- if (prt == NULL)
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return NIL;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
return ERTS_PORT_GET_CONNECTED(prt);
@@ -7112,9 +7132,9 @@ ErlDrvTermData driver_connected(ErlDrvPort ix)
ErlDrvTermData driver_caller(ErlDrvPort ix)
{
- Port* prt = erts_drvport2port(ix, NULL);
+ Port* prt = erts_drvport2port(ix);
ERTS_SMP_CHK_NO_PROC_LOCKS;
- if (prt == NULL)
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return NIL;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
return prt->caller;
@@ -7122,17 +7142,15 @@ ErlDrvTermData driver_caller(ErlDrvPort ix)
int driver_lock_driver(ErlDrvPort ix)
{
- Port* prt = erts_drvport2port(ix, NULL);
+ Port* prt = erts_drvport2port(ix);
DE_Handle* dh;
ERTS_SMP_CHK_NO_PROC_LOCKS;
- erts_smp_rwmtx_rwlock(&erts_driver_list_lock);
-
- if (prt == NULL) {
- erts_smp_rwmtx_rwunlock(&erts_driver_list_lock);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
- }
+
+ erts_smp_rwmtx_rwlock(&erts_driver_list_lock);
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
if ((dh = (DE_Handle*)prt->drv_ptr->handle ) == NULL) {
@@ -7327,7 +7345,7 @@ no_event_callback(ErlDrvData drv_data, ErlDrvEvent event, ErlDrvEventData event_
{
Port *prt = get_current_port();
report_missing_drv_callback(prt, "Event", "event()");
- driver_event((ErlDrvPort) prt, event, NULL);
+ driver_event(ERTS_Port2ErlDrvPort(prt), event, NULL);
}
static void
@@ -7335,7 +7353,7 @@ no_ready_input_callback(ErlDrvData drv_data, ErlDrvEvent event)
{
Port *prt = get_current_port();
report_missing_drv_callback(prt, "Input", "ready_input()");
- driver_select((ErlDrvPort) prt, event,
+ driver_select(ERTS_Port2ErlDrvPort(prt), event,
(ERL_DRV_READ | ERL_DRV_USE_NO_CALLBACK), 0);
}
@@ -7344,7 +7362,7 @@ no_ready_output_callback(ErlDrvData drv_data, ErlDrvEvent event)
{
Port *prt = get_current_port();
report_missing_drv_callback(prt, "Output", "ready_output()");
- driver_select((ErlDrvPort) prt, event,
+ driver_select(ERTS_Port2ErlDrvPort(prt), event,
(ERL_DRV_WRITE | ERL_DRV_USE_NO_CALLBACK), 0);
}
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 249a9c05c2..9416a91480 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -1029,10 +1029,22 @@ char* win32_errorstr(int);
#define ERL_FILENAME_UTF8_MAC (3)
#define ERL_FILENAME_WIN_WCHAR (4)
+/************************************************************************
+ * If a filename in for example list_dir is not in the right encoding, it
+ * will be skipped in the resulting list, but depending on a startup setting
+ * we will inform the user in different ways. These macros define the
+ * different reactions to wrongly coded filenames. In the error case an
+ * exception will be thrown by prim_file.
+ ************************************************************************/
+#define ERL_FILENAME_WARNING_WARNING (0)
+#define ERL_FILENAME_WARNING_IGNORE (1)
+#define ERL_FILENAME_WARNING_ERROR (2)
+
int erts_get_native_filename_encoding(void);
/* The set function is only to be used by erl_init! */
-void erts_set_user_requested_filename_encoding(int encoding);
+void erts_set_user_requested_filename_encoding(int encoding, int warning);
int erts_get_user_requested_filename_encoding(void);
+int erts_get_filename_warning_type(void);
void erts_init_sys_common_misc(void);
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index fda6cf2e53..2279fec72a 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -2263,6 +2263,8 @@ file_stop(ErlDrvData e)
desc->fd = FILE_FD_INVALID;
desc->flags = 0;
cq_execute(desc);
+ } else {
+ EF_FREE(desc);
}
} else {
if (desc->fd != FILE_FD_INVALID) {
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index 474408ae7c..c16831a07d 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -481,6 +481,7 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix,
int on)
{
void (*stop_select_fn)(ErlDrvEvent, void*) = NULL;
+ Port *prt = erts_drvport2port(ix);
Eterm id = erts_drvport2id(ix);
ErtsSysFdType fd = (ErtsSysFdType) e;
ErtsPollEvents ctl_events = (ErtsPollEvents) 0;
@@ -491,9 +492,11 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix,
#ifdef USE_VM_PROBES
DTRACE_CHARBUF(name, 64);
#endif
-
- ERTS_SMP_LC_ASSERT(erts_drvport2port(ix, NULL)
- && erts_lc_is_port_locked(erts_drvport2port(ix, NULL)));
+
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
+ return -1;
+
+ ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS
if ((unsigned)fd >= (unsigned)erts_smp_atomic_read_nob(&drv_ev_state_len)) {
@@ -519,9 +522,9 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix,
if (!on && (mode&ERL_DRV_USE_NO_CALLBACK) == ERL_DRV_USE) {
if (IS_FD_UNKNOWN(state)) {
/* fast track to stop_select callback */
- stop_select_fn = erts_drvport2port(ix, NULL)->drv_ptr->stop_select;
+ stop_select_fn = prt->drv_ptr->stop_select;
#ifdef USE_VM_PROBES
- strncpy(name, erts_drvport2port(ix, NULL)->drv_ptr->name, sizeof(name)-1);
+ strncpy(name, prt->drv_ptr->name, sizeof(name)-1);
name[sizeof(name)-1] = '\0';
#endif
ret = 0;
@@ -654,14 +657,14 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix,
}
}
if ((mode & ERL_DRV_USE_NO_CALLBACK) == ERL_DRV_USE) {
- erts_driver_t* drv_ptr = erts_drvport2port(ix, NULL)->drv_ptr;
+ erts_driver_t* drv_ptr = prt->drv_ptr;
ASSERT(new_events==0);
if (state->remove_cnt == 0 || !wake_poller) {
/* Safe to close fd now as it is not in pollset
or there was no need to eject fd (kernel poll) */
stop_select_fn = drv_ptr->stop_select;
#ifdef USE_VM_PROBES
- strncpy(name, erts_drvport2port(ix, NULL)->drv_ptr->name, sizeof(name)-1);
+ strncpy(name, prt->drv_ptr->name, sizeof(name)-1);
name[sizeof(name)-1] = '\0';
#endif
}
@@ -712,9 +715,12 @@ ERTS_CIO_EXPORT(driver_event)(ErlDrvPort ix,
ErtsDrvEventState *state;
int do_wake = 0;
int ret;
+ Port *prt = erts_drvport2port(ix);
+
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
+ return -1;
- ERTS_SMP_LC_ASSERT(erts_drvport2port(ix, NULL)
- && erts_lc_is_port_locked(erts_drvport2port(ix, NULL)));
+ ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS
if ((unsigned)fd >= (unsigned)erts_smp_atomic_read_nob(&drv_ev_state_len)) {
@@ -949,7 +955,7 @@ static void
print_select_op(erts_dsprintf_buf_t *dsbufp,
ErlDrvPort ix, ErtsSysFdType fd, int mode, int on)
{
- Port *pp = erts_drvport2port(ix, NULL);
+ Port *pp = erts_drvport2port(ix);
erts_dsprintf(dsbufp,
"driver_select(%p, %d,%s%s%s%s, %d) "
"by ",
@@ -960,8 +966,8 @@ print_select_op(erts_dsprintf_buf_t *dsbufp,
mode & ERL_DRV_USE ? " ERL_DRV_USE" : "",
mode & (ERL_DRV_USE_NO_CALLBACK & ~ERL_DRV_USE) ? "_NO_CALLBACK" : "",
on);
- print_driver_name(dsbufp, pp->common.id);
- erts_dsprintf(dsbufp, "driver %T ", pp ? pp->common.id : NIL);
+ print_driver_name(dsbufp, pp != ERTS_INVALID_ERL_DRV_PORT ? pp->common.id : NIL);
+ erts_dsprintf(dsbufp, "driver %T ", pp != ERTS_INVALID_ERL_DRV_PORT ? pp->common.id : NIL);
}
static void
@@ -1020,8 +1026,9 @@ steal_pending_stop_select(erts_dsprintf_buf_t *dsbufp, ErlDrvPort ix,
state->driver.drv_ptr = NULL;
}
else if ((mode & ERL_DRV_USE_NO_CALLBACK) == ERL_DRV_USE) {
- erts_driver_t* drv_ptr = erts_drvport2port(ix, NULL)->drv_ptr;
- if (drv_ptr != state->driver.drv_ptr) {
+ Port *prt = erts_drvport2port(ix);
+ erts_driver_t* drv_ptr = prt != ERTS_INVALID_ERL_DRV_PORT ? prt->drv_ptr : NULL;
+ if (drv_ptr && drv_ptr != state->driver.drv_ptr) {
/* Some other driver wants the stop_select callback */
if (state->driver.drv_ptr->handle) {
erts_ddll_dereference_driver(state->driver.drv_ptr->handle);
@@ -1042,7 +1049,7 @@ static void
print_event_op(erts_dsprintf_buf_t *dsbufp,
ErlDrvPort ix, ErtsSysFdType fd, ErlDrvEventData event_data)
{
- Port *pp = erts_drvport2port(ix, NULL);
+ Port *pp = erts_drvport2port(ix);
erts_dsprintf(dsbufp, "driver_event(%p, %d, ", ix, (int) fd);
if (!event_data)
erts_dsprintf(dsbufp, "NULL");
@@ -1051,8 +1058,9 @@ print_event_op(erts_dsprintf_buf_t *dsbufp,
(unsigned int) event_data->events,
(unsigned int) event_data->revents);
erts_dsprintf(dsbufp, ") by ");
- print_driver_name(dsbufp, pp->common.id);
- erts_dsprintf(dsbufp, "driver %T ", pp ? pp->common.id : NIL);
+ if (pp != ERTS_INVALID_ERL_DRV_PORT)
+ print_driver_name(dsbufp, pp->common.id);
+ erts_dsprintf(dsbufp, "driver %T ", pp != ERTS_INVALID_ERL_DRV_PORT ? pp->common.id : NIL);
}
static void
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index 538eea88d1..bd8ba82a5f 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -39,6 +39,7 @@
#include "erl_alloc.h"
#include "big.h"
#include "erl_thr_progress.h"
+#include "erl_util_queue.h"
#if HAVE_ERTS_MSEG
@@ -175,6 +176,7 @@ struct cache_t_ {
Uint size;
void *seg;
cache_t *next;
+ cache_t *prev;
};
@@ -183,9 +185,9 @@ typedef struct ErtsMsegAllctr_t_ ErtsMsegAllctr_t;
struct mem_kind_t {
cache_t cache[MAX_CACHE_SIZE];
- cache_t *cache_unpowered;
- cache_t *cache_area[CACHE_AREAS];
- cache_t *cache_free;
+ cache_t cache_unpowered_node;
+ cache_t cache_powered_node[CACHE_AREAS];
+ cache_t cache_free;
Sint cache_size;
Uint cache_hits;
@@ -516,67 +518,94 @@ do { \
#define ERTS_DBG_MK_CHK_THR_ACCESS(MK)
#endif
-/* NEW CACHE interface */
+/* Cache interface */
-static ERTS_INLINE cache_t *mseg_cache_alloc_descriptor(MemKind *mk) {
- cache_t *c = mk->cache_free;
- ERTS_DBG_MK_CHK_THR_ACCESS(mk);
- if (c)
- mk->cache_free = c->next;
-
- return c;
-}
-
-static ERTS_INLINE void mseg_cache_free_descriptor(MemKind *mk, cache_t *c) {
- ERTS_DBG_MK_CHK_THR_ACCESS(mk);
- ASSERT(c);
-
- c->seg = NULL;
+static ERTS_INLINE void mseg_cache_clear_node(cache_t *c) {
+ c->seg = NULL;
c->size = 0;
- c->next = mk->cache_free;
- mk->cache_free = c;
+ c->next = c;
+ c->prev = c;
}
-static ERTS_INLINE int cache_bless_segment(MemKind *mk, void *seg, Uint size) {
+static ERTS_INLINE int cache_bless_segment(MemKind *mk, void *seg, Uint size, Uint flags) {
cache_t *c;
ERTS_DBG_MK_CHK_THR_ACCESS(mk);
- if (mk->cache_free && MAP_IS_ALIGNED(seg)) {
- if (IS_2POW(size)) {
+ ASSERT(!MSEG_FLG_IS_2POW(flags) || (MSEG_FLG_IS_2POW(flags) && MAP_IS_ALIGNED(seg) && IS_2POW(size)));
+
+ /* The idea is that sbc caching is prefered over mbc caching.
+ * Blocks are normally allocated in mb carriers and thus cached there.
+ * Large blocks has no such cache and it is up to mseg to cache them to speed things up.
+ */
+
+ if (!erts_circleq_is_empty(&(mk->cache_free))) {
+
+ /* We have free slots, use one to cache the segment */
+
+ c = erts_circleq_head(&(mk->cache_free));
+ erts_circleq_remove(c);
+
+ c->seg = seg;
+ c->size = size;
+
+ if (MSEG_FLG_IS_2POW(flags)) {
int ix = SIZE_TO_CACHE_AREA_IDX(size);
ASSERT(ix < CACHE_AREAS);
ASSERT((1 << (ix + MSEG_ALIGN_BITS)) == size);
- /* unlink from free cache list */
- c = mseg_cache_alloc_descriptor(mk);
+ erts_circleq_push_head(&(mk->cache_powered_node[ix]), c);
- /* link to cache area */
- c->seg = seg;
- c->size = size;
- c->next = mk->cache_area[ix];
+ } else
+ erts_circleq_push_head(&(mk->cache_unpowered_node), c);
- mk->cache_area[ix] = c;
- mk->cache_size++;
+ mk->cache_size++;
+ ASSERT(mk->cache_size <= mk->ma->max_cache_size);
- ASSERT(mk->cache_size <= mk->ma->max_cache_size);
+ return 1;
+ } else if (!MSEG_FLG_IS_2POW(flags) && !erts_circleq_is_empty(&(mk->cache_unpowered_node))) {
- return 1;
- } else {
- /* unlink from free cache list */
- c = mseg_cache_alloc_descriptor(mk);
+ /* No free slots.
+ * Evict oldest slot from unpowered cache so we can cache an unpowered (sbc) segment */
+
+ c = erts_circleq_tail(&(mk->cache_unpowered_node));
+ erts_circleq_remove(c);
+
+ mseg_destroy(mk->ma, mk, c->seg, c->size);
+ mseg_cache_clear_node(c);
+
+ c->seg = seg;
+ c->size = size;
+
+ erts_circleq_push_head(&(mk->cache_unpowered_node), c);
+
+ return 1;
+ } else if (!MSEG_FLG_IS_2POW(flags)) {
+
+ /* No free slots and no unpowered (sbc) slots.
+ * Evict smallest slot from powered cache so we can cache an unpowered (sbc) segment.
+ * Note: Though this is the wanted policy I don't think it is used significantly.
+ * This branch could probably be removed without serious impact.
+ */
+
+ int i;
+
+ for( i = 0; i < CACHE_AREAS; i++) {
+ if (erts_circleq_is_empty(&(mk->cache_powered_node[i])))
+ continue;
+
+ c = erts_circleq_tail(&(mk->cache_powered_node[i]));
+ erts_circleq_remove(c);
+
+ mseg_destroy(mk->ma, mk, c->seg, c->size);
+ mseg_cache_clear_node(c);
- /* link to cache area */
c->seg = seg;
c->size = size;
- c->next = mk->cache_unpowered;
-
- mk->cache_unpowered = c;
- mk->cache_size++;
- ASSERT(mk->cache_size <= mk->ma->max_cache_size);
+ erts_circleq_push_head(&(mk->cache_unpowered_node), c);
return 1;
}
@@ -585,90 +614,110 @@ static ERTS_INLINE int cache_bless_segment(MemKind *mk, void *seg, Uint size) {
return 0;
}
-static ERTS_INLINE void *cache_get_segment(MemKind *mk, Uint *size_p) {
+static ERTS_INLINE void *cache_get_segment(MemKind *mk, Uint *size_p, Uint flags) {
Uint size = *size_p;
ERTS_DBG_MK_CHK_THR_ACCESS(mk);
- if (IS_2POW(size)) {
+
+ if (MSEG_FLG_IS_2POW(flags)) {
int i, ix = SIZE_TO_CACHE_AREA_IDX(size);
void *seg;
cache_t *c;
Uint csize;
+ ASSERT(IS_2POW(size));
+
for( i = ix; i < CACHE_AREAS; i++) {
- if ((c = mk->cache_area[i]) == NULL)
+ if (erts_circleq_is_empty(&(mk->cache_powered_node[i])))
continue;
+ c = erts_circleq_head(&(mk->cache_powered_node[i]));
+ erts_circleq_remove(c);
+
ASSERT(IS_2POW(c->size));
+ ASSERT(MAP_IS_ALIGNED(c->seg));
+
+ csize = c->size;
+ seg = c->seg;
- /* unlink from cache area */
- csize = c->size;
- seg = c->seg;
- mk->cache_area[i] = c->next;
- c->next = NULL;
mk->cache_size--;
mk->cache_hits++;
/* link to free cache list */
- mseg_cache_free_descriptor(mk, c);
+ mseg_cache_clear_node(c);
+ erts_circleq_push_head(&(mk->cache_free), c);
ASSERT(!(mk->cache_size < 0));
- /* divvy up the cache - if needed */
- while( i > ix) {
- csize = csize >> 1;
- /* try to cache half of it */
- if (!cache_bless_segment(mk, (char *)seg + csize, csize)) {
- /* wouldn't cache .. destroy it instead */
- mseg_destroy(mk->ma, mk, (char *)seg + csize, csize);
- }
- i--;
+ if (csize != size) {
+ mseg_destroy(mk->ma, mk, (char *)seg + size, csize - size);
}
- ASSERT(csize == size);
+
return seg;
}
}
- else if (mk->cache_unpowered) {
+ else if (!erts_circleq_is_empty(&(mk->cache_unpowered_node))) {
void *seg;
- cache_t *c, *pc;
+ cache_t *c;
+ cache_t *best = NULL;
+ Uint bdiff = 0;
Uint csize;
Uint bad_max_abs = mk->ma->abs_max_cache_bad_fit;
Uint bad_max_rel = mk->ma->rel_max_cache_bad_fit;
- c = mk->cache_unpowered;
- pc = c;
-
- while (c) {
+ erts_circleq_foreach(c, &(mk->cache_unpowered_node)) {
csize = c->size;
- if (csize >= size &&
- ((csize - size)*100 < bad_max_rel*size) &&
- (csize - size) < bad_max_abs ) {
+ if (csize >= size) {
+ if (((csize - size)*100 < bad_max_rel*size) && (csize - size) < bad_max_abs ) {
- /* unlink from cache area */
- seg = c->seg;
+ seg = c->seg;
- if (pc == c) {
- mk->cache_unpowered = c->next;
- } else {
- pc->next = c->next;
- }
+ erts_circleq_remove(c);
+
+ mk->cache_size--;
+ mk->cache_hits++;
- c->next = NULL;
- mk->cache_size--;
- mk->cache_hits++;
+ mseg_cache_clear_node(c);
+ erts_circleq_push_head(&(mk->cache_free), c);
- /* link to free cache list */
- mseg_cache_free_descriptor(mk, c);
- *size_p = csize;
+ *size_p = csize;
- return seg;
+ return seg;
+
+ } else if (!best || (csize - size) < bdiff) {
+ best = c;
+ bdiff = csize - size;
+ }
}
+ }
+
+ /* No cached segment met our criteria, use the best one found and trim it */
+
+ if (best) {
+
+ seg = best->seg;
+ csize = best->size;
+
+ ASSERT(best->seg);
+ ASSERT(best->size > 0);
+
+ mk->cache_hits++;
+
+ /* Use current cache placement for remaining segment space */
+
+ best->seg = seg + size;
+ best->size = csize - size;
+
+ ASSERT((size % GET_PAGE_SIZE) == 0);
+ ASSERT((best->size % GET_PAGE_SIZE) == 0);
+
+ *size_p = size;
+
+ return seg;
- pc = c;
- c = c->next;
}
}
return NULL;
@@ -679,20 +728,18 @@ static ERTS_INLINE void *cache_get_segment(MemKind *mk, Uint *size_p) {
* using callbacks from aux-work in the scheduler.
*/
-static ERTS_INLINE Uint mseg_drop_one_memkind_cache_size(MemKind *mk, cache_t **head) {
+static ERTS_INLINE Uint mseg_drop_one_memkind_cache_size(MemKind *mk, cache_t *head) {
cache_t *c = NULL;
- c = *head;
-
- ASSERT( c != NULL );
-
- *head = c->next;
+ c = erts_circleq_tail(head);
+ erts_circleq_remove(c);
if (erts_mtrace_enabled)
erts_mtrace_crr_free(SEGTYPE, SEGTYPE, c->seg);
mseg_destroy(mk->ma, mk, c->seg, c->size);
- mseg_cache_free_descriptor(mk, c);
+ mseg_cache_clear_node(c);
+ erts_circleq_push_head(&(mk->cache_free), c);
mk->segments.current.watermark--;
mk->cache_size--;
@@ -702,30 +749,27 @@ static ERTS_INLINE Uint mseg_drop_one_memkind_cache_size(MemKind *mk, cache_t **
return mk->cache_size;
}
-static ERTS_INLINE Uint mseg_drop_memkind_cache_size(MemKind *mk, cache_t **head) {
- cache_t *c = NULL, *next = NULL;
-
- c = *head;
- ASSERT( c != NULL );
+static ERTS_INLINE Uint mseg_drop_memkind_cache_size(MemKind *mk, cache_t *head) {
+ cache_t *c = NULL;
- while (c) {
+ while (!erts_circleq_is_empty(head)) {
- next = c->next;
+ c = erts_circleq_tail(head);
+ erts_circleq_remove(c);
if (erts_mtrace_enabled)
erts_mtrace_crr_free(SEGTYPE, SEGTYPE, c->seg);
mseg_destroy(mk->ma, mk, c->seg, c->size);
- mseg_cache_free_descriptor(mk, c);
+
+ mseg_cache_clear_node(c);
+ erts_circleq_push_head(&(mk->cache_free), c);
mk->segments.current.watermark--;
mk->cache_size--;
- c = next;
}
- *head = NULL;
-
ASSERT( mk->cache_size >= 0 );
return mk->cache_size;
@@ -743,12 +787,12 @@ static Uint mseg_check_memkind_cache(MemKind *mk) {
ERTS_DBG_MK_CHK_THR_ACCESS(mk);
for (i = 0; i < CACHE_AREAS; i++) {
- if (mk->cache_area[i] != NULL)
- return mseg_drop_one_memkind_cache_size(mk, &(mk->cache_area[i]));
+ if (!erts_circleq_is_empty(&(mk->cache_powered_node[i])))
+ return mseg_drop_one_memkind_cache_size(mk, &(mk->cache_powered_node[i]));
}
- if (mk->cache_unpowered)
- return mseg_drop_one_memkind_cache_size(mk, &(mk->cache_unpowered));
+ if (!erts_circleq_is_empty(&(mk->cache_unpowered_node)))
+ return mseg_drop_one_memkind_cache_size(mk, &(mk->cache_unpowered_node));
return 0;
}
@@ -804,17 +848,17 @@ static void mseg_clear_memkind_cache(MemKind *mk) {
/* drop pow2 caches */
for (i = 0; i < CACHE_AREAS; i++) {
- if (mk->cache_area[i] == NULL)
+ if (erts_circleq_is_empty(&(mk->cache_powered_node[i])))
continue;
- mseg_drop_memkind_cache_size(mk, &(mk->cache_area[i]));
- ASSERT(mk->cache_area[i] == NULL);
+ mseg_drop_memkind_cache_size(mk, &(mk->cache_powered_node[i]));
+ ASSERT(erts_circleq_is_empty(&(mk->cache_powered_node[i])));
}
/* drop varied caches */
- if(mk->cache_unpowered)
- mseg_drop_memkind_cache_size(mk, &(mk->cache_unpowered));
+ if (!erts_circleq_is_empty(&(mk->cache_unpowered_node)))
+ mseg_drop_memkind_cache_size(mk, &(mk->cache_unpowered_node));
- ASSERT(mk->cache_unpowered == NULL);
+ ASSERT(erts_circleq_is_empty(&(mk->cache_unpowered_node)));
ASSERT(mk->cache_size == 0);
}
@@ -873,7 +917,7 @@ mseg_alloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, Uint *size_p,
ma->min_seg_size = size;
#endif
- if (opt->cache && mk->cache_size > 0 && (seg = cache_get_segment(mk, &size)) != NULL)
+ if (opt->cache && mk->cache_size > 0 && (seg = cache_get_segment(mk, &size, flags)) != NULL)
goto done;
if ((seg = mseg_create(ma, mk, size)) == NULL)
@@ -894,14 +938,13 @@ done:
static void
mseg_dealloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg, Uint size,
- const ErtsMsegOpt_t *opt)
+ Uint flags, const ErtsMsegOpt_t *opt)
{
MemKind* mk = memkind(ma, opt);
-
ERTS_MSEG_DEALLOC_STAT(mk,size);
- if (opt->cache && cache_bless_segment(mk, seg, size)) {
+ if (opt->cache && cache_bless_segment(mk, seg, size, flags)) {
schedule_cache_check(ma);
goto done;
}
@@ -934,7 +977,7 @@ mseg_realloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg,
/* Dealloc old segment if new segment is of size 0 */
if (!(*new_size_p)) {
- mseg_dealloc(ma, atype, seg, old_size, opt);
+ mseg_dealloc(ma, atype, seg, old_size, flags, opt);
DEC_CC(ma, dealloc);
return NULL;
}
@@ -993,7 +1036,7 @@ mseg_realloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg,
else {
if (!opt->preserv) {
- mseg_dealloc(ma, atype, seg, old_size, opt);
+ mseg_dealloc(ma, atype, seg, old_size, flags, opt);
new_seg = mseg_alloc(ma, atype, &new_size, flags, opt);
ASSERT(MAP_IS_ALIGNED(new_seg) || !new_seg);
}
@@ -1020,7 +1063,7 @@ mseg_realloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg,
new_size = old_size;
else {
sys_memcpy(((char *) new_seg), ((char *) seg), MIN(new_size, old_size));
- mseg_dealloc(ma, atype, seg, old_size, opt);
+ mseg_dealloc(ma, atype, seg, old_size, flags, opt);
}
#endif
}
@@ -1497,19 +1540,19 @@ erts_mseg_alloc(ErtsAlcType_t atype, Uint *size_p, Uint flags)
void
erts_mseg_dealloc_opt(ErtsAlcType_t atype, void *seg,
- Uint size, const ErtsMsegOpt_t *opt)
+ Uint size, Uint flags, const ErtsMsegOpt_t *opt)
{
ErtsMsegAllctr_t *ma = ERTS_MSEG_ALLCTR_OPT(opt);
ERTS_MSEG_LOCK(ma);
ERTS_DBG_MA_CHK_THR_ACCESS(ma);
- mseg_dealloc(ma, atype, seg, size, opt);
+ mseg_dealloc(ma, atype, seg, size, flags, opt);
ERTS_MSEG_UNLOCK(ma);
}
void
-erts_mseg_dealloc(ErtsAlcType_t atype, void *seg, Uint size)
+erts_mseg_dealloc(ErtsAlcType_t atype, void *seg, Uint size, Uint flags)
{
- erts_mseg_dealloc_opt(atype, seg, size, &erts_mseg_default_opt);
+ erts_mseg_dealloc_opt(atype, seg, size, flags, &erts_mseg_default_opt);
}
void *
@@ -1556,27 +1599,28 @@ erts_mseg_unit_size(void)
return MSEG_ALIGNED_SIZE;
}
+
static void mem_kind_init(ErtsMsegAllctr_t *ma, MemKind* mk, const char* name)
{
int i;
+ /* Clear all cache headers */
+ mseg_cache_clear_node(&(mk->cache_free));
+ mseg_cache_clear_node(&(mk->cache_unpowered_node));
+
for (i = 0; i < CACHE_AREAS; i++) {
- mk->cache_area[i] = NULL;
+ mseg_cache_clear_node(&(mk->cache_powered_node[i]));
}
- mk->cache_free = NULL;
+ /* Populate cache free list */
ASSERT(ma->max_cache_size <= MAX_CACHE_SIZE);
for (i = 0; i < ma->max_cache_size; i++) {
- mk->cache[i].seg = NULL;
- mk->cache[i].size = 0;
- mk->cache[i].next = mk->cache_free;
- mk->cache_free = &(mk->cache[i]);
+ mseg_cache_clear_node(&(mk->cache[i]));
+ erts_circleq_push_head(&(mk->cache_free), &(mk->cache[i]));
}
- mk->cache_unpowered = NULL;
-
mk->cache_size = 0;
mk->cache_hits = 0;
@@ -1594,9 +1638,6 @@ static void mem_kind_init(ErtsMsegAllctr_t *ma, MemKind* mk, const char* name)
ma->mk_list = mk;
}
-
-
-
void
erts_mseg_init(ErtsMsegInit_t *init)
{
@@ -1721,7 +1762,7 @@ erts_mseg_test(unsigned long op,
case 0x401:
return (unsigned long) erts_mseg_alloc(ERTS_ALC_A_INVALID, (Uint *) a1, (Uint) 0);
case 0x402:
- erts_mseg_dealloc(ERTS_ALC_A_INVALID, (void *) a1, (Uint) a2);
+ erts_mseg_dealloc(ERTS_ALC_A_INVALID, (void *) a1, (Uint) a2, (Uint) 0);
return (unsigned long) 0;
case 0x403:
return (unsigned long) erts_mseg_realloc(ERTS_ALC_A_INVALID,
diff --git a/erts/emulator/sys/common/erl_mseg.h b/erts/emulator/sys/common/erl_mseg.h
index 3d0b0f0355..3cab9e18da 100644
--- a/erts/emulator/sys/common/erl_mseg.h
+++ b/erts/emulator/sys/common/erl_mseg.h
@@ -74,7 +74,7 @@ typedef struct {
{ \
4*1024*1024, /* amcbf: Absolute max cache bad fit */ \
20, /* rmcbf: Relative max cache bad fit */ \
- 5, /* mcs: Max cache size */ \
+ 10, /* mcs: Max cache size */ \
1000 /* cci: Cache check interval */ \
}
@@ -93,11 +93,10 @@ extern const ErtsMsegOpt_t erts_mseg_default_opt;
void *erts_mseg_alloc(ErtsAlcType_t, Uint *, Uint);
void *erts_mseg_alloc_opt(ErtsAlcType_t, Uint *, Uint, const ErtsMsegOpt_t *);
-void erts_mseg_dealloc(ErtsAlcType_t, void *, Uint);
-void erts_mseg_dealloc_opt(ErtsAlcType_t, void *, Uint, const ErtsMsegOpt_t *);
+void erts_mseg_dealloc(ErtsAlcType_t, void *, Uint, Uint);
+void erts_mseg_dealloc_opt(ErtsAlcType_t, void *, Uint, Uint, const ErtsMsegOpt_t *);
void *erts_mseg_realloc(ErtsAlcType_t, void *, Uint, Uint *, Uint);
-void *erts_mseg_realloc_opt(ErtsAlcType_t, void *, Uint, Uint *,
- Uint, const ErtsMsegOpt_t *);
+void *erts_mseg_realloc_opt(ErtsAlcType_t, void *, Uint, Uint *, Uint, const ErtsMsegOpt_t *);
void erts_mseg_clear_cache(void);
void erts_mseg_cache_check(void);
Uint erts_mseg_no( const ErtsMsegOpt_t *);
diff --git a/erts/emulator/sys/common/erl_sys_common_misc.c b/erts/emulator/sys/common/erl_sys_common_misc.c
index 1bf5fa89f4..0b31c125e5 100644
--- a/erts/emulator/sys/common/erl_sys_common_misc.c
+++ b/erts/emulator/sys/common/erl_sys_common_misc.c
@@ -47,14 +47,16 @@
/* Written once and only once */
static int filename_encoding = ERL_FILENAME_UNKNOWN;
+static int filename_warning = ERL_FILENAME_WARNING_WARNING;
#if defined(__WIN32__) || defined(__DARWIN__)
static int user_filename_encoding = ERL_FILENAME_UTF8; /* Default unicode on windows */
#else
static int user_filename_encoding = ERL_FILENAME_LATIN1;
#endif
-void erts_set_user_requested_filename_encoding(int encoding)
+void erts_set_user_requested_filename_encoding(int encoding, int warning)
{
user_filename_encoding = encoding;
+ filename_warning = warning;
}
int erts_get_user_requested_filename_encoding(void)
@@ -62,6 +64,11 @@ int erts_get_user_requested_filename_encoding(void)
return user_filename_encoding;
}
+int erts_get_filename_warning_type(void)
+{
+ return filename_warning;
+}
+
void erts_init_sys_common_misc(void)
{
#if defined(__WIN32__)
@@ -107,9 +114,9 @@ int erts_get_native_filename_encoding(void)
}
/* For internal use by sys_double_to_chars_fast() */
-static char* float_first_trailing_zero(char* p)
+static char* find_first_trailing_zero(char* p)
{
- for (--p; *p == '0' && *(p-1) == '0'; --p);
+ for (; *(p-1) == '0'; --p);
if (*(p-1) == '.') ++p;
return p;
}
@@ -120,34 +127,83 @@ sys_double_to_chars(double fp, char *buffer, size_t buffer_size)
return sys_double_to_chars_ext(fp, buffer, buffer_size, SYS_DEFAULT_FLOAT_DECIMALS);
}
+/* Convert float to string using fixed point notation.
+ * decimals must be >= 0
+ * if compact != 0, the trailing 0's will be truncated
+ */
int
-sys_double_to_chars_fast(double f, char *outbuf, int maxlen, int decimals, int compact)
+sys_double_to_chars_fast(double f, char *buffer, int buffer_size, int decimals,
+ int compact)
{
- enum {
- FRAC_SIZE = 52
- , EXP_SIZE = 11
- , EXP_MASK = (1ll << EXP_SIZE) - 1
- , FRAC_MASK = (1ll << FRAC_SIZE) - 1
- , FRAC_MASK2 = (1ll << (FRAC_SIZE + 1)) - 1
- , MAX_FLOAT = 1ll << (FRAC_SIZE+1)
+ /* Note that some C compilers don't support "static const" propagation
+ * so we use a defines */
+ #define SYS_DOUBLE_RND_CONST 0.55555555555555555
+ #define FRAC_SIZE 52
+ #define EXP_SIZE 11
+ #define EXP_MASK ((1ll << EXP_SIZE) - 1)
+ #define MAX_DECIMALS (sizeof(cs_sys_double_pow10) \
+ / sizeof(cs_sys_double_pow10[0]))
+ #define FRAC_MASK ((1ll << FRAC_SIZE) - 1)
+ #define FRAC_MASK2 ((1ll << (FRAC_SIZE + 1)) - 1)
+ #define MAX_FLOAT (1ll << (FRAC_SIZE+1))
+
+ static const double cs_sys_double_pow10[] = {
+ SYS_DOUBLE_RND_CONST / 1ll,
+ SYS_DOUBLE_RND_CONST / 10ll,
+ SYS_DOUBLE_RND_CONST / 100ll,
+ SYS_DOUBLE_RND_CONST / 1000ll,
+ SYS_DOUBLE_RND_CONST / 10000ll,
+ SYS_DOUBLE_RND_CONST / 100000ll,
+ SYS_DOUBLE_RND_CONST / 1000000ll,
+ SYS_DOUBLE_RND_CONST / 10000000ll,
+ SYS_DOUBLE_RND_CONST / 100000000ll,
+ SYS_DOUBLE_RND_CONST / 1000000000ll,
+ SYS_DOUBLE_RND_CONST / 10000000000ll,
+ SYS_DOUBLE_RND_CONST / 100000000000ll,
+ SYS_DOUBLE_RND_CONST / 1000000000000ll,
+ SYS_DOUBLE_RND_CONST / 10000000000000ll,
+ SYS_DOUBLE_RND_CONST / 100000000000000ll,
+ SYS_DOUBLE_RND_CONST / 1000000000000000ll,
+ SYS_DOUBLE_RND_CONST / 10000000000000000ll,
+ SYS_DOUBLE_RND_CONST / 100000000000000000ll,
+ SYS_DOUBLE_RND_CONST / 1000000000000000000ll
};
- long long mantissa, int_part, int_part2, frac_part;
+ long long mantissa, int_part = 0, frac_part = 0;
short exp;
- int sign, i, n, m, max;
- double absf;
+ int max;
+ int neg;
+ double fr;
union { long long L; double F; } x;
- char c, *p = outbuf;
- int digit, roundup;
+ char *p = buffer;
+
+ if (decimals < 0)
+ return -1;
- x.F = f;
+ /* Round the number to given decimal places. The number of 5's in the
+ * SYS_DOUBLE_RND_CONST constant is chosen such that adding any more 5's doesn't
+ * change the double precision of the number, i.e.:
+ * 1> term_to_binary(0.55555555555555555, [{minor_version, 1}]).
+ * <<131,70,63,225,199,28,113,199,28,114>>
+ * 2> term_to_binary(0.5555555555555555555, [{minor_version, 1}]).
+ * <<131,70,63,225,199,28,113,199,28,114>>
+ */
+ if (f >= 0) {
+ neg = 0;
+ fr = decimals < MAX_DECIMALS ? (f + cs_sys_double_pow10[decimals]) : f;
+ x.F = fr;
+ } else {
+ neg = 1;
+ fr = decimals < MAX_DECIMALS ? (f - cs_sys_double_pow10[decimals]) : f;
+ x.F = -fr;
+ }
exp = (x.L >> FRAC_SIZE) & EXP_MASK;
mantissa = x.L & FRAC_MASK;
- sign = x.L >= 0 ? 1 : -1;
+
if (exp == EXP_MASK) {
if (mantissa == 0) {
- if (sign == -1)
+ if (neg)
*p++ = '-';
*p++ = 'i';
*p++ = 'n';
@@ -158,101 +214,79 @@ sys_double_to_chars_fast(double f, char *outbuf, int maxlen, int decimals, int c
*p++ = 'n';
}
*p = '\0';
- return p - outbuf;
+ return p - buffer;
}
exp -= EXP_MASK >> 1;
mantissa |= (1ll << FRAC_SIZE);
- frac_part = 0;
- int_part = 0;
- absf = f * sign;
-
- /* Don't bother with optimizing too large numbers and decimals */
- if (absf > MAX_FLOAT || decimals > maxlen-17) {
- int len = erts_snprintf(outbuf, maxlen, "%.*f", decimals, f);
- if (len >= maxlen)
+
+ /* Don't bother with optimizing too large numbers or too large precision */
+ if (x.F > MAX_FLOAT || decimals >= MAX_DECIMALS) {
+ int len = erts_snprintf(buffer, buffer_size, "%.*f", decimals, f);
+ char* p = buffer + len;
+ if (len >= buffer_size)
return -1;
- p = outbuf + len;
/* Delete trailing zeroes */
if (compact)
- p = float_first_trailing_zero(outbuf + len);
+ p = find_first_trailing_zero(p);
*p = '\0';
- return p - outbuf;
- }
-
- if (exp >= FRAC_SIZE)
+ return p - buffer;
+ } else if (exp >= FRAC_SIZE) {
int_part = mantissa << (exp - FRAC_SIZE);
- else if (exp >= 0) {
+ } else if (exp >= 0) {
int_part = mantissa >> (FRAC_SIZE - exp);
frac_part = (mantissa << (exp + 1)) & FRAC_MASK2;
- }
- else /* if (exp < 0) */
+ } else /* if (exp < 0) */ {
frac_part = (mantissa & FRAC_MASK2) >> -(exp + 1);
+ }
- if (int_part == 0) {
- if (sign == -1)
+ if (!int_part) {
+ if (neg)
*p++ = '-';
*p++ = '0';
} else {
- int ret;
+ int ret, i, n;
while (int_part != 0) {
- int_part2 = int_part / 10;
- *p++ = (char)(int_part - ((int_part2 << 3) + (int_part2 << 1)) + '0');
- int_part = int_part2;
+ long long j = int_part / 10;
+ *p++ = (char)(int_part - ((j << 3) + (j << 1)) + '0');
+ int_part = j;
}
- if (sign == -1)
+ if (neg)
*p++ = '-';
/* Reverse string */
- ret = p - outbuf;
+ ret = p - buffer;
for (i = 0, n = ret/2; i < n; i++) {
- int j = ret - i - 1;
- c = outbuf[i];
- outbuf[i] = outbuf[j];
- outbuf[j] = c;
+ int j = ret - i - 1;
+ char c = buffer[i];
+ buffer[i] = buffer[j];
+ buffer[j] = c;
}
}
- if (decimals != 0)
+
+ if (decimals > 0) {
+ int i;
*p++ = '.';
- max = maxlen - (p - outbuf) - 1 /* leave room for trailing '\0' */;
- if (max > decimals)
+ max = buffer_size - (p - buffer) - 1 /* leave room for trailing '\0' */;
+
+ if (decimals > max)
+ return -1; /* the number is not large enough to fit in the buffer */
+
max = decimals;
- for (m = 0; m < max; m++) {
- /* frac_part *= 10; */
- frac_part = (frac_part << 3) + (frac_part << 1);
- *p++ = (char)((frac_part >> (FRAC_SIZE + 1)) + '0');
- frac_part &= FRAC_MASK2;
- }
+ for (i = 0; i < max; i++) {
+ /* frac_part *= 10; */
+ frac_part = (frac_part << 3) + (frac_part << 1);
- roundup = 0;
- /* Rounding - look at the next digit */
- frac_part = (frac_part << 3) + (frac_part << 1);
- digit = (frac_part >> (FRAC_SIZE + 1));
- if (digit > 5)
- roundup = 1;
- else if (digit == 5) {
- frac_part &= FRAC_MASK2;
- if (frac_part != 0) roundup = 1;
- }
- if (roundup) {
- char d;
- int pos = p - outbuf - 1;
- do {
- d = outbuf[pos];
- if (d == '-') break;
- if (d == '.') continue;
- if (++d != ':') {
- outbuf[pos] = d;
- break;
- }
- outbuf[pos] = '0';
- } while (--pos);
+ *p++ = (char)((frac_part >> (FRAC_SIZE + 1)) + '0');
+ frac_part &= FRAC_MASK2;
+ }
+
+ /* Delete trailing zeroes */
+ if (compact)
+ p = find_first_trailing_zero(p);
}
- /* Delete trailing zeroes */
- if (compact && *(p - 1) == '0')
- p = float_first_trailing_zero(--p);
*p = '\0';
- return p - outbuf;
+ return p - buffer;
}
diff --git a/erts/emulator/sys/common/erl_util_queue.h b/erts/emulator/sys/common/erl_util_queue.h
new file mode 100644
index 0000000000..47925e2264
--- /dev/null
+++ b/erts/emulator/sys/common/erl_util_queue.h
@@ -0,0 +1,77 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2013. 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
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#ifndef ERL_UTIL_QUEUE_H_
+#define ERL_UTIL_QUEUE_H_
+
+#define erts_circleq_head(Q) ((Q)->next)
+#define erts_circleq_tail(Q) ((Q)->prev)
+#define erts_circleq_next(Q) ((Q)->next)
+#define erts_circleq_prev(Q) ((Q)->prev)
+#define erts_circleq_is_empty(Q) ((Q)->next == (void *)(Q))
+
+#define erts_circleq_remove(N) \
+ do { \
+ (N)->next->prev = (N)->prev; \
+ (N)->prev->next = (N)->next; \
+ (N)->next = (N); \
+ (N)->prev = (N); \
+ } while(0)
+
+#define erts_circleq_pop_head(Q, N) \
+ do { \
+ (N) = (Q)->next; \
+ (N)->next->prev = (N)->prev; \
+ (N)->prev->next = (N)->next; \
+ (N)->next = (N); \
+ (N)->prev = (N); \
+ } while(0)
+
+#define erts_circleq_pop_tail(Q, N) \
+ do { \
+ (N) = (Q)->prev; \
+ (N)->next->prev = (N)->prev; \
+ (N)->prev->next = (N)->next; \
+ (N)->next = (N); \
+ (N)->prev = (N); \
+ } while(0)
+
+#define erts_circleq_push_head(Q, N) \
+ do { \
+ (N)->next = (Q)->next; \
+ (N)->prev = (void *)(Q); \
+ (Q)->next->prev = (N); \
+ (Q)->next = (N); \
+ } while(0)
+
+#define erts_circleq_push_tail(Q, N) \
+ do { \
+ (N)->prev = (Q)->prev; \
+ (N)->next = (void *)(Q); \
+ (Q)->prev->next = (N); \
+ (Q)->prev = (N); \
+ } while(0)
+
+#define erts_circleq_foreach(V, Q) \
+ for ((V) = (Q)->next; (V) != (const void *)(Q); (V) = (V)->next)
+
+#define erts_circleq_foreach_reverse(V, Q) \
+ for ((V) = (Q)->prev; (V) != (const void *)(Q); (V) = (V)->prev)
+
+#endif
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 0b96eded76..dbc163bac1 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -1211,8 +1211,8 @@ static int set_driver_data(ErlDrvPort port_num,
report_exit_list = report_exit;
}
- prt = erts_drvport2port(port_num, NULL);
- if (prt)
+ prt = erts_drvport2port(port_num);
+ if (prt != ERTS_INVALID_ERL_DRV_PORT)
prt->os_pid = pid;
if (read_write & DO_READ) {
@@ -2650,7 +2650,7 @@ report_exit_status(ErtsSysReportExit *rep, int status)
if (rep->ifd >= 0) {
driver_data[rep->ifd].alive = 0;
driver_data[rep->ifd].status = status;
- (void) driver_select((ErlDrvPort) pp,
+ (void) driver_select(ERTS_Port2ErlDrvPort(pp),
rep->ifd,
(ERL_DRV_READ|ERL_DRV_USE),
1);
@@ -2658,7 +2658,7 @@ report_exit_status(ErtsSysReportExit *rep, int status)
if (rep->ofd >= 0) {
driver_data[rep->ofd].alive = 0;
driver_data[rep->ofd].status = status;
- (void) driver_select((ErlDrvPort) pp,
+ (void) driver_select(ERTS_Port2ErlDrvPort(pp),
rep->ofd,
(ERL_DRV_WRITE|ERL_DRV_USE),
1);
diff --git a/erts/emulator/sys/win32/erl_win_dyn_driver.h b/erts/emulator/sys/win32/erl_win_dyn_driver.h
index ae3228ff28..a7c53c904d 100644
--- a/erts/emulator/sys/win32/erl_win_dyn_driver.h
+++ b/erts/emulator/sys/win32/erl_win_dyn_driver.h
@@ -37,6 +37,7 @@ WDD_TYPEDEF(int, driver_failure_posix,(ErlDrvPort, int));
WDD_TYPEDEF(int, driver_failure,(ErlDrvPort, int));
WDD_TYPEDEF(int, driver_exit, (ErlDrvPort, int));
WDD_TYPEDEF(int, driver_failure_eof, (ErlDrvPort));
+WDD_TYPEDEF(void, erl_drv_busy_msgq_limits, (ErlDrvPort, ErlDrvSizeT *, ErlDrvSizeT *));
WDD_TYPEDEF(int, driver_select, (ErlDrvPort, ErlDrvEvent, int, int));
WDD_TYPEDEF(int, driver_event, (ErlDrvPort, ErlDrvEvent,ErlDrvEventData));
WDD_TYPEDEF(int, driver_output, (ErlDrvPort, char *, ErlDrvSizeT));
@@ -47,6 +48,7 @@ WDD_TYPEDEF(ErlDrvSizeT, driver_vec_to_buf, (ErlIOVec *, char *, ErlDrvSizeT));
WDD_TYPEDEF(int, driver_set_timer, (ErlDrvPort, unsigned long));
WDD_TYPEDEF(int, driver_cancel_timer, (ErlDrvPort));
WDD_TYPEDEF(int, driver_read_timer, (ErlDrvPort, unsigned long *));
+WDD_TYPEDEF(int, erl_drv_consume_timeslice, (ErlDrvPort, int));
WDD_TYPEDEF(char *, erl_errno_id, (int));
WDD_TYPEDEF(void, set_busy_port, (ErlDrvPort, int));
WDD_TYPEDEF(void, set_port_control_flags, (ErlDrvPort, int));
@@ -152,6 +154,7 @@ typedef struct {
WDD_FTYPE(driver_failure) *driver_failure;
WDD_FTYPE(driver_exit) *driver_exit;
WDD_FTYPE(driver_failure_eof) *driver_failure_eof;
+ WDD_FTYPE(erl_drv_busy_msgq_limits) *erl_drv_busy_msgq_limits;
WDD_FTYPE(driver_select) *driver_select;
WDD_FTYPE(driver_event) *driver_event;
WDD_FTYPE(driver_output) *driver_output;
@@ -162,6 +165,7 @@ typedef struct {
WDD_FTYPE(driver_set_timer) *driver_set_timer;
WDD_FTYPE(driver_cancel_timer) *driver_cancel_timer;
WDD_FTYPE(driver_read_timer) *driver_read_timer;
+ WDD_FTYPE(erl_drv_consume_timeslice) *erl_drv_consume_timeslice;
WDD_FTYPE(erl_errno_id) *erl_errno_id;
WDD_FTYPE(set_busy_port)* set_busy_port;
WDD_FTYPE(set_port_control_flags) *set_port_control_flags;
@@ -261,6 +265,7 @@ extern TWinDynDriverCallbacks WinDynDriverCallbacks;
#define driver_failure (WinDynDriverCallbacks.driver_failure)
#define driver_exit (WinDynDriverCallbacks.driver_exit)
#define driver_failure_eof (WinDynDriverCallbacks.driver_failure_eof)
+#define erl_drv_busy_msgq_limits (WinDynDriverCallbacks.erl_drv_busy_msgq_limits)
#define driver_select (WinDynDriverCallbacks.driver_select)
#define driver_event (WinDynDriverCallbacks.driver_event)
#define driver_output (WinDynDriverCallbacks.driver_output)
@@ -271,6 +276,7 @@ extern TWinDynDriverCallbacks WinDynDriverCallbacks;
#define driver_set_timer (WinDynDriverCallbacks.driver_set_timer)
#define driver_cancel_timer (WinDynDriverCallbacks.driver_cancel_timer)
#define driver_read_timer (WinDynDriverCallbacks.driver_read_timer)
+#define erl_drv_consume_timeslice (WinDynDriverCallbacks.erl_drv_consume_timeslice)
#define erl_errno_id (WinDynDriverCallbacks.erl_errno_id)
#define set_busy_port (WinDynDriverCallbacks.set_busy_port)
#define set_port_control_flags (WinDynDriverCallbacks.set_port_control_flags)
@@ -394,6 +400,7 @@ do { \
((W).driver_failure) = driver_failure; \
((W).driver_exit) = driver_exit; \
((W).driver_failure_eof) = driver_failure_eof; \
+((W).erl_drv_busy_msgq_limits) = erl_drv_busy_msgq_limits;\
((W).driver_select) = driver_select; \
((W).driver_event) = driver_event; \
((W).driver_output) = driver_output; \
@@ -404,6 +411,7 @@ do { \
((W).driver_set_timer) = driver_set_timer; \
((W).driver_cancel_timer) = driver_cancel_timer; \
((W).driver_read_timer) = driver_read_timer; \
+((W).erl_drv_consume_timeslice) = erl_drv_consume_timeslice;\
((W).erl_errno_id) = erl_errno_id; \
((W).set_busy_port) = set_busy_port; \
((W).set_port_control_flags) = set_port_control_flags; \
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index 1cd9072cea..19dffd0ea4 100755
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.c
@@ -57,11 +57,13 @@ extern void _dosmaperr(DWORD);
#define __argv e_argv
#endif
+typedef struct driver_data DriverData;
+
static void init_console();
static int get_and_remove_option(int* argc, char** argv, const char* option);
static char *get_and_remove_option2(int *argc, char **argv,
const char *option);
-static int init_async_io(struct async_io* aio, int use_threads);
+static int init_async_io(DriverData *dp, struct async_io* aio, int use_threads);
static void release_async_io(struct async_io* aio, ErlDrvPort);
static void async_read_file(struct async_io* aio, LPVOID buf, DWORD numToRead);
static int async_write_file(struct async_io* aio, LPVOID buf, DWORD numToWrite);
@@ -96,7 +98,7 @@ static erts_smp_atomic_t pipe_creation_counter;
static int driver_write(long, HANDLE, byte*, int);
static int create_file_thread(struct async_io* aio, int mode);
#ifdef ERTS_SMP
-static void close_active_handle(ErlDrvPort, HANDLE handle);
+static void close_active_handle(DriverData *, HANDLE handle);
static DWORD WINAPI threaded_handle_closer(LPVOID param);
#endif
static DWORD WINAPI threaded_reader(LPVOID param);
@@ -440,6 +442,8 @@ typedef struct async_io {
DWORD bytesTransferred; /* Bytes read or write in the last operation.
* Valid only when DF_OVR_READY is set.
*/
+ DriverData *dp; /* Pointer to driver data struct which
+ this struct is part of */
} AsyncIo;
@@ -458,7 +462,7 @@ static BOOL (WINAPI *fpSetHandleInformation)(HANDLE,DWORD,DWORD);
* none of the file handles.
*/
-typedef struct driver_data {
+struct driver_data {
int totalNeeded; /* Total number of bytes needed to fill
* up the packet header or packet. */
int bytesInBuffer; /* Number of bytes read so far in
@@ -476,7 +480,8 @@ typedef struct driver_data {
AsyncIo in; /* Control block for overlapped reading. */
AsyncIo out; /* Control block for overlapped writing. */
int report_exit; /* Do report exit status for the port */
-} DriverData;
+ erts_atomic32_t refc; /* References to this struct */
+};
/* Driver interfaces */
static ErlDrvData spawn_start(ErlDrvPort, char*, SysDriverOpts*);
@@ -581,6 +586,26 @@ struct erl_drv_entry vanilla_driver_entry = {
stop_select
};
+static ERTS_INLINE void
+refer_driver_data(DriverData *dp)
+{
+#ifdef DEBUG
+ erts_aint32_t refc = erts_atomic32_inc_read_nob(&dp->refc);
+ ASSERT(refc > 1);
+#else
+ erts_atomic32_inc_nob(&dp->refc);
+#endif
+}
+
+static ERTS_INLINE void
+unrefer_driver_data(DriverData *dp)
+{
+ erts_aint32_t refc = erts_atomic32_dec_read_mb(&dp->refc);
+ ASSERT(refc >= 0);
+ if (refc == 0)
+ driver_free(dp);
+}
+
/*
* Initialises a DriverData structure.
*
@@ -604,6 +629,7 @@ new_driver_data(ErlDrvPort port_num, int packet_bytes, int wait_objs_required, i
* any more, since driver_select() can't fail.
*/
+ erts_atomic32_init_nob(&dp->refc, 1);
dp->bytesInBuffer = 0;
dp->totalNeeded = packet_bytes;
dp->inBufSize = PORT_BUFSIZ;
@@ -616,9 +642,9 @@ new_driver_data(ErlDrvPort port_num, int packet_bytes, int wait_objs_required, i
dp->port_num = port_num;
dp->packet_bytes = packet_bytes;
dp->port_pid = INVALID_HANDLE_VALUE;
- if (init_async_io(&dp->in, use_threads) == -1)
+ if (init_async_io(dp, &dp->in, use_threads) == -1)
goto async_io_error1;
- if (init_async_io(&dp->out, use_threads) == -1)
+ if (init_async_io(dp, &dp->out, use_threads) == -1)
goto async_io_error2;
return dp;
@@ -662,7 +688,7 @@ release_driver_data(DriverData* dp)
dp->in.fd = INVALID_HANDLE_VALUE;
DEBUGF(("Waiting for the in event thingie"));
if (WaitForSingleObject(dp->in.ov.hEvent,timeout) == WAIT_TIMEOUT) {
- close_active_handle(dp->port_num, dp->in.ov.hEvent);
+ close_active_handle(dp, dp->in.ov.hEvent);
dp->in.ov.hEvent = NULL;
timeout = 0;
}
@@ -673,7 +699,7 @@ release_driver_data(DriverData* dp)
dp->out.fd = INVALID_HANDLE_VALUE;
DEBUGF(("Waiting for the out event thingie"));
if (WaitForSingleObject(dp->out.ov.hEvent,timeout) == WAIT_TIMEOUT) {
- close_active_handle(dp->port_num, dp->out.ov.hEvent);
+ close_active_handle(dp, dp->out.ov.hEvent);
dp->out.ov.hEvent = NULL;
}
DEBUGF(("...done\n"));
@@ -719,7 +745,7 @@ release_driver_data(DriverData* dp)
* the exit thread.
*/
- driver_free(dp);
+ unrefer_driver_data(dp);
}
#ifdef ERTS_SMP
@@ -727,11 +753,12 @@ release_driver_data(DriverData* dp)
struct handles_to_be_closed {
HANDLE handles[MAXIMUM_WAIT_OBJECTS];
unsigned cnt;
+ DriverData *dp;
};
static struct handles_to_be_closed* htbc_curr = NULL;
CRITICAL_SECTION htbc_lock;
-static void close_active_handle(ErlDrvPort port_num, HANDLE handle)
+static void close_active_handle(DriverData *dp, HANDLE handle)
{
struct handles_to_be_closed* htbc;
int i;
@@ -745,11 +772,14 @@ static void close_active_handle(ErlDrvPort port_num, HANDLE handle)
sizeof(*htbc));
htbc->handles[0] = CreateAutoEvent(FALSE);
htbc->cnt = 1;
+ htbc->dp = dp;
+ refer_driver_data(dp); /* Need to keep driver data until we have
+ closed the event; outstanding operation
+ might write into it.. */
thread = (HANDLE *) _beginthreadex(NULL, 0, threaded_handle_closer, htbc, 0, &tid);
CloseHandle(thread);
}
htbc->handles[htbc->cnt++] = handle;
- driver_select(port_num, (ErlDrvEvent)handle, ERL_DRV_USE_NO_CALLBACK, 0);
SetEvent(htbc->handles[0]);
htbc_curr = htbc;
LeaveCriticalSection(&htbc_lock);
@@ -798,6 +828,7 @@ threaded_handle_closer(LPVOID param)
}
LeaveCriticalSection(&htbc_lock);
CloseHandle(htbc->handles[0]);
+ unrefer_driver_data(htbc->dp);
erts_free(ERTS_ALC_T_DRV_TAB, htbc);
DEBUGF(("threaded_handle_closer %p terminating\r\n", htbc));
return 0;
@@ -864,8 +895,9 @@ reuse_driver_data(DriverData *dp, HANDLE ifd, HANDLE ofd, int read_write, ErlDrv
*/
static int
-init_async_io(AsyncIo* aio, int use_threads)
+init_async_io(DriverData *dp, AsyncIo* aio, int use_threads)
{
+ aio->dp = dp;
aio->flags = 0;
aio->thread = (HANDLE) -1;
aio->fd = INVALID_HANDLE_VALUE;
@@ -884,6 +916,8 @@ init_async_io(AsyncIo* aio, int use_threads)
if (aio->ov.hEvent == NULL)
return -1;
if (use_threads) {
+ OV_BUFFER_PTR(aio) = NULL;
+ OV_NUM_TO_READ(aio) = 0;
aio->ioAllowed = CreateAutoEvent(FALSE);
if (aio->ioAllowed == NULL)
return -1;
@@ -914,12 +948,8 @@ release_async_io(AsyncIo* aio, ErlDrvPort port_num)
CloseHandle(aio->fd);
aio->fd = INVALID_HANDLE_VALUE;
- if (aio->ov.hEvent != NULL) {
- (void) driver_select(port_num,
- (ErlDrvEvent)aio->ov.hEvent,
- ERL_DRV_USE, 0);
- /* was CloseHandle(aio->ov.hEvent); */
- }
+ if (aio->ov.hEvent != NULL)
+ CloseHandle(aio->ov.hEvent);
aio->ov.hEvent = NULL;
@@ -1260,9 +1290,9 @@ spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* opts)
retval = set_driver_data(dp, hFromChild, hToChild, opts->read_write,
opts->exit_status);
if (retval != ERL_DRV_ERROR_GENERAL && retval != ERL_DRV_ERROR_ERRNO) {
- Port *prt = erts_drvport2port_raw(port_num);
+ Port *prt = erts_drvport2port(port_num);
/* We assume that this cannot generate a negative number */
- ASSERT(prt);
+ ASSERT(prt != ERTS_INVALID_ERL_DRV_PORT);
prt->os_pid = (SWord) pid;
}
}
@@ -1287,12 +1317,15 @@ create_file_thread(AsyncIo* aio, int mode)
{
DWORD tid; /* Id for thread. */
+ refer_driver_data(aio->dp);
aio->thread = (HANDLE)
_beginthreadex(NULL, 0,
(mode & DO_WRITE) ? threaded_writer : threaded_reader,
aio, 0, &tid);
-
- return aio->thread != (HANDLE) -1;
+ if (aio->thread != (HANDLE) -1)
+ return 1;
+ unrefer_driver_data(aio->dp);
+ return 0;
}
/*
@@ -2078,6 +2111,7 @@ threaded_reader(LPVOID param)
if (aio->flags & DF_EXIT_THREAD)
break;
}
+ unrefer_driver_data(aio->dp);
return 0;
}
@@ -2157,6 +2191,7 @@ threaded_writer(LPVOID param)
}
CloseHandle(aio->fd);
aio->fd = INVALID_HANDLE_VALUE;
+ unrefer_driver_data(aio->dp);
return 0;
}
@@ -2297,6 +2332,7 @@ static void fd_stop(ErlDrvData data)
(void) driver_select(dp->port_num,
(ErlDrvEvent)dp->out.ov.hEvent,
ERL_DRV_WRITE, 0);
+ ASSERT(dp->out.flushEvent);
SetEvent(dp->out.flushEvent);
WaitForSingleObject(dp->out.flushReplyEvent, INFINITE);
}
@@ -2349,12 +2385,12 @@ stop(ErlDrvData data)
if (dp->in.ov.hEvent != NULL) {
(void) driver_select(dp->port_num,
(ErlDrvEvent)dp->in.ov.hEvent,
- ERL_DRV_READ, 0);
+ ERL_DRV_READ|ERL_DRV_USE_NO_CALLBACK, 0);
}
if (dp->out.ov.hEvent != NULL) {
(void) driver_select(dp->port_num,
(ErlDrvEvent)dp->out.ov.hEvent,
- ERL_DRV_WRITE, 0);
+ ERL_DRV_WRITE|ERL_DRV_USE_NO_CALLBACK, 0);
}
if (dp->out.thread == (HANDLE) -1 && dp->in.thread == (HANDLE) -1) {
@@ -2366,6 +2402,8 @@ stop(ErlDrvData data)
*/
HANDLE thread;
DWORD tid;
+
+ /* threaded_exiter implicitly takes over refc from us... */
thread = (HANDLE *) _beginthreadex(NULL, 0, threaded_exiter, dp, 0, &tid);
CloseHandle(thread);
}
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index dae36fed8f..dfba7d098f 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -78,7 +78,8 @@
otp_9302/1,
thr_free_drv/1,
async_blast/1,
- thr_msg_blast/1]).
+ thr_msg_blast/1,
+ consume_timeslice/1]).
-export([bin_prefix/2]).
@@ -149,7 +150,8 @@ all() ->
otp_9302,
thr_free_drv,
async_blast,
- thr_msg_blast].
+ thr_msg_blast,
+ consume_timeslice].
groups() ->
[{timer, [],
@@ -2073,10 +2075,329 @@ thr_msg_blast(Config) when is_list(Config) ->
Res
end.
+consume_timeslice(Config) when is_list(Config) ->
+ %%
+ %% Verify that erl_drv_consume_timeslice() works.
+ %%
+ %% The first four cases expect that the command signal is
+ %% delivered immediately, i.e., isn't scheduled. Since there
+ %% are no conflicts these signals should normally be delivered
+ %% immediately. However some builds and configurations may
+ %% schedule these ops anyway, in these cases we do not verify
+ %% scheduling counts.
+ %%
+ %% When signal is delivered immediately we must take into account
+ %% that process and port are "virtualy" scheduled out and in
+ %% in the trace generated.
+ %%
+ %% Port ! {_, {command, _}, and port_command() differs. The send
+ %% instruction needs to check if the caller is out of reductions
+ %% at the end of the instruction, since no erlang function call
+ %% is involved. Otherwise, a sequence of send instructions would
+ %% not be scheduled out even when out of reductions. port_commond()
+ %% doesn't do that since it will always (since R16A) be called via
+ %% the erlang wrappers in the erlang module.
+ %%
+ %% The last two cases tests scheduled operations. We create
+ %% a conflict by executing at the same time on different
+ %% schedulers. When only one scheduler we enable parallelism on
+ %% the port instead.
+ %%
+
+ Path = ?config(data_dir, Config),
+ erl_ddll:start(),
+ ok = load_driver(Path, consume_timeslice_drv),
+ Port = open_port({spawn, consume_timeslice_drv}, [{parallelism, false}]),
+
+ Parent = self(),
+ Go = make_ref(),
+
+ "enabled" = port_control(Port, $E, ""),
+ Proc1 = spawn_link(fun () ->
+ receive Go -> ok end,
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}}
+ end),
+ receive after 100 -> ok end,
+ count_pp_sched_start(),
+ Proc1 ! Go,
+ wait_command_msgs(Port, 10),
+ [{Port, Sprt1}, {Proc1, Sproc1}] = count_pp_sched_stop([Port, Proc1]),
+ case Sprt1 of
+ 10 ->
+ true = in_range(5, Sproc1-10, 7);
+ _ ->
+ case erlang:system_info(lock_checking) of
+ true -> ?t:format("Ignore bad sched count due to lock checking", []);
+ false -> ?t:fail({unexpected_sched_counts, Sprt1, Sproc1})
+ end
+ end,
+
+ "disabled" = port_control(Port, $D, ""),
+ Proc2 = spawn_link(fun () ->
+ receive Go -> ok end,
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}},
+ Port ! {Parent, {command, ""}}
+ end),
+ receive after 100 -> ok end,
+ count_pp_sched_start(),
+ Proc2 ! Go,
+ wait_command_msgs(Port, 10),
+ [{Port, Sprt2}, {Proc2, Sproc2}] = count_pp_sched_stop([Port, Proc2]),
+ case Sprt2 of
+ 10 ->
+ true = in_range(1, Sproc2-10, 2);
+ _ ->
+ case erlang:system_info(lock_checking) of
+ true -> ?t:format("Ignore bad sched count due to lock checking", []);
+ false -> ?t:fail({unexpected_sched_counts, Sprt2, Sproc2})
+ end
+ end,
+
+ "enabled" = port_control(Port, $E, ""),
+ Proc3 = spawn_link(fun () ->
+ receive Go -> ok end,
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, "")
+ end),
+ count_pp_sched_start(),
+ Proc3 ! Go,
+ wait_command_msgs(Port, 10),
+ [{Port, Sprt3}, {Proc3, Sproc3}] = count_pp_sched_stop([Port, Proc3]),
+ case Sprt3 of
+ 10 ->
+ true = in_range(5, Sproc3-10, 7);
+ _ ->
+ case erlang:system_info(lock_checking) of
+ true -> ?t:format("Ignore bad sched count due to lock checking", []);
+ false -> ?t:fail({unexpected_sched_counts, Sprt3, Sproc3})
+ end
+ end,
+
+ "disabled" = port_control(Port, $D, ""),
+ Proc4 = spawn_link(fun () ->
+ receive Go -> ok end,
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, ""),
+ port_command(Port, "")
+ end),
+ count_pp_sched_start(),
+ Proc4 ! Go,
+ wait_command_msgs(Port, 10),
+ [{Port, Sprt4}, {Proc4, Sproc4}] = count_pp_sched_stop([Port, Proc4]),
+ case Sprt4 of
+ 10 ->
+ true = in_range(1, Sproc4-10, 2);
+ _ ->
+ case erlang:system_info(lock_checking) of
+ true -> ?t:format("Ignore bad sched count due to lock checking", []);
+ false -> ?t:fail({unexpected_sched_counts, Sprt4, Sproc4})
+ end
+ end,
+
+ SOnl = erlang:system_info(schedulers_online),
+ %% If only one scheduler use port with parallelism set to true,
+ %% in order to trigger scheduling of command signals
+ Port2 = case SOnl of
+ 1 ->
+ Port ! {self(), close},
+ receive {Port, closed} -> ok end,
+ open_port({spawn, consume_timeslice_drv},
+ [{parallelism, true}]);
+ _ ->
+ process_flag(scheduler, 1),
+ 1 = erlang:system_info(scheduler_id),
+ Port
+ end,
+ count_pp_sched_start(),
+ "enabled" = port_control(Port2, $E, ""),
+ W5 = case SOnl of
+ 1 ->
+ false;
+ _ ->
+ W1= spawn_opt(fun () ->
+ 2 = erlang:system_info(scheduler_id),
+ "sleeped" = port_control(Port2, $S, "")
+ end, [link,{scheduler,2}]),
+ receive after 100 -> ok end,
+ W1
+ end,
+ Proc5 = spawn_opt(fun () ->
+ receive Go -> ok end,
+ 1 = erlang:system_info(scheduler_id),
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}}
+ end, [link,{scheduler,1}]),
+ receive after 100 -> ok end,
+ Proc5 ! Go,
+ wait_procs_exit([W5, Proc5]),
+ wait_command_msgs(Port2, 10),
+ [{Port2, Sprt5}, {Proc5, Sproc5}] = count_pp_sched_stop([Port2, Proc5]),
+ true = in_range(2, Sproc5, 3),
+ true = in_range(7, Sprt5, 20),
+
+ count_pp_sched_start(),
+ "disabled" = port_control(Port2, $D, ""),
+ W6 = case SOnl of
+ 1 ->
+ false;
+ _ ->
+ W2= spawn_opt(fun () ->
+ 2 = erlang:system_info(scheduler_id),
+ "sleeped" = port_control(Port2, $S, "")
+ end, [link,{scheduler,2}]),
+ receive after 100 -> ok end,
+ W2
+ end,
+ Proc6 = spawn_opt(fun () ->
+ receive Go -> ok end,
+ 1 = erlang:system_info(scheduler_id),
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}},
+ Port2 ! {Parent, {command, ""}}
+ end, [link,{scheduler,1}]),
+ receive after 100 -> ok end,
+ Proc6 ! Go,
+ wait_procs_exit([W6, Proc6]),
+ wait_command_msgs(Port2, 10),
+ [{Port2, Sprt6}, {Proc6, Sproc6}] = count_pp_sched_stop([Port2, Proc6]),
+ true = in_range(2, Sproc6, 3),
+ true = in_range(3, Sprt6, 6),
+
+ process_flag(scheduler, 0),
+
+ Port2 ! {self(), close},
+ receive {Port2, closed} -> ok end,
+ ok.
+
+wait_command_msgs(_, 0) ->
+ ok;
+wait_command_msgs(Port, N) ->
+ receive
+ {Port, command} ->
+ wait_command_msgs(Port, N-1)
+ end.
+
+in_range(Low, Val, High) when is_integer(Low),
+ is_integer(Val),
+ is_integer(High),
+ Low =< Val,
+ Val =< High ->
+ true;
+in_range(Low, Val, High) when is_integer(Low),
+ is_integer(Val),
+ is_integer(High) ->
+ false.
+
+count_pp_sched_start() ->
+ erlang:trace(all, true, [running_procs, running_ports, {tracer, self()}]),
+ ok.
+
+count_pp_sched_stop(Ps) ->
+ Td = erlang:trace_delivered(all),
+ erlang:trace(all, false, [running_procs, running_ports, {tracer, self()}]),
+ PNs = lists:map(fun (P) -> {P, 0} end, Ps),
+ receive {trace_delivered, all, Td} -> ok end,
+ Res = count_proc_sched(Ps, PNs),
+ ?t:format("Scheduling counts: ~p~n", [Res]),
+ erlang:display({scheduling_counts, Res}),
+ Res.
+
+do_inc_pn(_P, []) ->
+ throw(undefined);
+do_inc_pn(P, [{P,N}|PNs]) ->
+ [{P,N+1}|PNs];
+do_inc_pn(P, [PN|PNs]) ->
+ [PN|do_inc_pn(P, PNs)].
+
+inc_pn(P, PNs) ->
+ try
+ do_inc_pn(P, PNs)
+ catch
+ throw:undefined -> PNs
+ end.
+
+count_proc_sched(Ps, PNs) ->
+ receive
+ TT when element(1, TT) == trace, element(3, TT) == in ->
+% erlang:display(TT),
+ count_proc_sched(Ps, inc_pn(element(2, TT), PNs));
+ TT when element(1, TT) == trace, element(3, TT) == out ->
+ count_proc_sched(Ps, PNs)
+ after 0 ->
+ PNs
+ end.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Utilities
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%flush_msgs() ->
+% receive
+% M ->
+% erlang:display(M),
+% flush_msgs()
+% after 0 ->
+% ok
+% end.
+
+wait_procs_exit([]) ->
+ ok;
+wait_procs_exit([P|Ps]) when is_pid(P) ->
+ Mon = erlang:monitor(process, P),
+ receive
+ {'DOWN', Mon, process, P, _} ->
+ wait_procs_exit(Ps)
+ end;
+wait_procs_exit([_|Ps]) ->
+ wait_procs_exit(Ps).
+
get_port_msg(Port, Timeout) ->
receive
{Port, What} ->
diff --git a/erts/emulator/test/driver_SUITE_data/Makefile.src b/erts/emulator/test/driver_SUITE_data/Makefile.src
index b667dff6b6..1fedd72200 100644
--- a/erts/emulator/test/driver_SUITE_data/Makefile.src
+++ b/erts/emulator/test/driver_SUITE_data/Makefile.src
@@ -15,7 +15,8 @@ MISC_DRVS = outputv_drv@dll@ \
otp_9302_drv@dll@ \
thr_free_drv@dll@ \
async_blast_drv@dll@ \
- thr_msg_blast_drv@dll@
+ thr_msg_blast_drv@dll@ \
+ consume_timeslice_drv@dll@
SYS_INFO_DRVS = sys_info_base_drv@dll@ \
sys_info_prev_drv@dll@ \
diff --git a/erts/emulator/test/driver_SUITE_data/consume_timeslice_drv.c b/erts/emulator/test/driver_SUITE_data/consume_timeslice_drv.c
new file mode 100644
index 0000000000..6b0c4cf37d
--- /dev/null
+++ b/erts/emulator/test/driver_SUITE_data/consume_timeslice_drv.c
@@ -0,0 +1,172 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2012. 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
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#include "erl_driver.h"
+#ifdef __WIN32__
+#include <windows.h>
+#else
+#include <unistd.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+
+static void stop(ErlDrvData drv_data);
+static ErlDrvData start(ErlDrvPort port,
+ char *command);
+static void output(ErlDrvData drv_data,
+ char *buf, ErlDrvSizeT len);
+static ErlDrvSSizeT control(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen);
+
+static ErlDrvEntry consume_timeslice_drv_entry = {
+ NULL /* init */,
+ start,
+ stop,
+ output,
+ NULL /* ready_input */,
+ NULL /* ready_output */,
+ "consume_timeslice_drv",
+ NULL /* finish */,
+ NULL /* handle */,
+ control,
+ NULL /* timeout */,
+ NULL /* outputv */,
+ NULL /* ready_async */,
+ NULL /* flush */,
+ NULL /* call */,
+ NULL /* event */,
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ ERL_DRV_FLAG_USE_PORT_LOCKING,
+ NULL /* handle2 */,
+ NULL /* handle_monitor */
+};
+
+typedef struct {
+ ErlDrvPort port;
+ ErlDrvTermData tport;
+ ErlDrvTermData cmd_msg[6];
+ int consume_timeslice;
+} consume_timeslice_data_t;
+
+
+DRIVER_INIT(consume_timeslice_drv)
+{
+ return &consume_timeslice_drv_entry;
+}
+
+static void stop(ErlDrvData drv_data)
+{
+ driver_free((void *) drv_data);
+}
+
+static ErlDrvData start(ErlDrvPort port,
+ char *command)
+{
+ consume_timeslice_data_t *ctsd;
+
+ ctsd = driver_alloc(sizeof(consume_timeslice_data_t));
+ if (!ctsd)
+ return ERL_DRV_ERROR_GENERAL;
+
+ ctsd->port = port;
+ ctsd->tport = driver_mk_port(port);
+ ctsd->consume_timeslice = 0;
+
+ ctsd->cmd_msg[0] = ERL_DRV_PORT;
+ ctsd->cmd_msg[1] = ctsd->tport;
+ ctsd->cmd_msg[2] = ERL_DRV_ATOM;
+ ctsd->cmd_msg[3] = driver_mk_atom("command");
+ ctsd->cmd_msg[4] = ERL_DRV_TUPLE;
+ ctsd->cmd_msg[5] = (ErlDrvTermData) 2;
+
+ return (ErlDrvData) ctsd;
+}
+
+static void output(ErlDrvData drv_data,
+ char *buf, ErlDrvSizeT len)
+{
+ consume_timeslice_data_t *ctsd = (consume_timeslice_data_t *) drv_data;
+ int res;
+
+ if (ctsd->consume_timeslice) {
+ int res = erl_drv_consume_timeslice(ctsd->port, 50);
+ if (res < 0) {
+ driver_failure_atom(ctsd->port, "erl_drv_consume_timeslice() failed");
+ return;
+ }
+ }
+
+ res = erl_drv_output_term(ctsd->tport,
+ ctsd->cmd_msg,
+ sizeof(ctsd->cmd_msg)/sizeof(ErlDrvTermData));
+ if (res <= 0) {
+ driver_failure_atom(ctsd->port, "erl_drv_output_term() failed");
+ return;
+ }
+}
+static ErlDrvSSizeT control(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen)
+{
+ consume_timeslice_data_t *ctsd = (consume_timeslice_data_t *) drv_data;
+ int res;
+ char *res_str;
+ ErlDrvSSizeT res_len;
+
+ switch (command) {
+ case 'E':
+ ctsd->consume_timeslice = 1;
+ res_str = "enabled";
+ break;
+ case 'D':
+ ctsd->consume_timeslice = 0;
+ res_str = "disabled";
+ break;
+ case 'S':
+#ifdef __WIN32__
+ Sleep((DWORD) 1000);
+#else
+ sleep(1);
+#endif
+ res_str = "sleeped";
+ break;
+ default:
+ res_str = "what?";
+ break;
+ }
+
+ res_len = strlen(res_str);
+ if (res_len > rlen) {
+ char *abuf = driver_alloc(sizeof(char)*res_len);
+ if (!abuf) {
+ driver_failure_atom(ctsd->port, "driver_alloc() failed");
+ return 0;
+ }
+ *rbuf = abuf;
+ }
+
+ memcpy((void *) *rbuf, (void *) res_str, res_len);
+
+ return res_len;
+}
diff --git a/erts/emulator/test/hash_SUITE.erl b/erts/emulator/test/hash_SUITE.erl
index 830ed91da9..898eae8c15 100644
--- a/erts/emulator/test/hash_SUITE.erl
+++ b/erts/emulator/test/hash_SUITE.erl
@@ -75,7 +75,7 @@ config(priv_dir,_) ->
test_phash2/1,otp_5292/1,bit_level_binaries/1,otp_7127/1,
end_per_testcase/2,init_per_testcase/2]).
init_per_testcase(_Case, Config) ->
- ?line Dog=test_server:timetrap(test_server:minutes(10)),
+ Dog=test_server:timetrap(test_server:minutes(10)),
[{watchdog, Dog}|Config].
end_per_testcase(_Case, Config) ->
@@ -169,24 +169,24 @@ otp_7127(Config) when is_list(Config) ->
%% define -DSTANDALONE when compiling.
%%
basic_test() ->
- ?line 685556714 = erlang:phash({a,b,c},16#FFFFFFFF),
- ?line 14468079 = erlang:hash({a,b,c},16#7FFFFFF),
- ?line 37442646 = erlang:phash([a,b,c,{1,2,3},c:pid(0,2,3),
+ 685556714 = erlang:phash({a,b,c},16#FFFFFFFF),
+ 14468079 = erlang:hash({a,b,c},16#7FFFFFF),
+ 37442646 = erlang:phash([a,b,c,{1,2,3},c:pid(0,2,3),
16#77777777777777],16#FFFFFFFF),
- ?line Comment = case erlang:hash([a,b,c,{1,2,3},c:pid(0,2,3),
+ Comment = case erlang:hash([a,b,c,{1,2,3},c:pid(0,2,3),
16#77777777777777],16#7FFFFFF) of
102727602 ->
- ?line big = erlang:system_info(endian),
+ big = erlang:system_info(endian),
"Big endian machine";
105818829 ->
- ?line little = erlang:system_info(endian),
+ little = erlang:system_info(endian),
"Little endian machine"
end,
ExternalReference = <<131,114,0,3,100,0,13,110,111,110,111,100,101,64,
110,111,104,111,115,116,0,0,0,0,122,0,0,0,0,0,0,0,0>>,
- ?line 1113403635 = erlang:phash(binary_to_term(ExternalReference),
+ 1113403635 = erlang:phash(binary_to_term(ExternalReference),
16#FFFFFFFF),
- ?line 123 = erlang:hash(binary_to_term(ExternalReference),
+ 123 = erlang:hash(binary_to_term(ExternalReference),
16#7FFFFFF),
ExternalFun = <<131,117,0,0,0,3,103,100,0,13,110,111,110,111,100,101,64,
110,111,104,111,115,116,0,0,0,38,0,0,0,0,0,100,0,8,101,
@@ -204,9 +204,9 @@ basic_test() ->
104,101,108,108,100,0,10,108,111,99,97,108,95,102,117,
110,99,108,0,0,0,1,103,100,0,13,110,111,110,111,100,101,
64,110,111,104,111,115,116,0,0,0,22,0,0,0,0,0,106>>,
- ?line 170987488 = erlang:phash(binary_to_term(ExternalFun),
+ 170987488 = erlang:phash(binary_to_term(ExternalFun),
16#FFFFFFFF),
- ?line 124460689 = erlang:hash(binary_to_term(ExternalFun),
+ 124460689 = erlang:hash(binary_to_term(ExternalFun),
16#7FFFFFF),
case (catch erlang:phash(1,0)) of
{'EXIT',{badarg, _}} ->
@@ -237,23 +237,23 @@ range_test() ->
spread_test(N) ->
- ?line test_fun(N,{erlang,phash},16#50000000000,fun(X) ->
+ test_fun(N,{erlang,phash},16#50000000000,fun(X) ->
X
end),
- ?line test_fun(N,{erlang,phash},0,fun(X) ->
+ test_fun(N,{erlang,phash},0,fun(X) ->
X
end),
- ?line test_fun(N,{erlang,phash},16#123456789ABCDEF123456789ABCDEF,fun(X) ->
+ test_fun(N,{erlang,phash},16#123456789ABCDEF123456789ABCDEF,fun(X) ->
X
end),
- ?line test_fun(N,{erlang,phash},16#50000000000,fun(X) ->
+ test_fun(N,{erlang,phash},16#50000000000,fun(X) ->
integer_to_list(X)
end),
- ?line test_fun(N,{erlang,phash},16#50000000000,fun(X) ->
+ test_fun(N,{erlang,phash},16#50000000000,fun(X) ->
integer_to_bytelist(X,[])
end),
- ?line test_fun(N,{erlang,phash},16#50000000000,fun(X) ->
- integer_to_binary(X)
+ test_fun(N,{erlang,phash},16#50000000000,fun(X) ->
+ integer_to_binary_value(X)
end).
@@ -265,14 +265,14 @@ cmp_test(N) ->
do_cmp_hashes(0,_) ->
ok;
do_cmp_hashes(N,Steps) ->
- ?line R0 = random:uniform(1 bsl Steps - 1) + random:uniform(16#FFFFFFFF),
- ?line R = case random:uniform(2) of
+ R0 = random:uniform(1 bsl Steps - 1) + random:uniform(16#FFFFFFFF),
+ R = case random:uniform(2) of
1 ->
R0;
_ ->
-R0
end,
- ?line NSteps = case N rem 10 of
+ NSteps = case N rem 10 of
0 ->
case (Steps + 8) rem 1024 of
0 ->
@@ -283,9 +283,9 @@ do_cmp_hashes(N,Steps) ->
_ ->
Steps
end,
- ?line X = erlang:phash(R,16#FFFFFFFF),
- ?line Y = make_hash(R,16#FFFFFFFF),
- ?line case X =:= Y of
+ X = erlang:phash(R,16#FFFFFFFF),
+ Y = make_hash(R,16#FFFFFFFF),
+ case X =:= Y of
true ->
do_cmp_hashes(N - 1, NSteps);
_ ->
@@ -469,8 +469,8 @@ phash2_test() ->
SpecFun = fun(S) -> sofs:no_elements(S) > 1 end,
F = sofs:relation_to_family(sofs:converse(sofs:relation(L))),
D = sofs:to_external(sofs:family_specification(SpecFun, F)),
- ?line [] = D,
- ?line [] = [{E,H,H2} || {E,H} <- L, (H2 = erlang:phash2(E, Max)) =/= H],
+ [] = D,
+ [] = [{E,H,H2} || {E,H} <- L, (H2 = erlang:phash2(E, Max)) =/= H],
ok.
-ifdef(FALSE).
@@ -497,17 +497,17 @@ otp_5292_test() ->
end,
S2 = md5([md5(hash_int(S, E, PH)) || {Start, N, Sz} <- d(),
{S, E} <- int(Start, N, Sz)]),
- ?line Comment = case S1 of
+ Comment = case S1 of
<<4,248,208,156,200,131,7,1,173,13,239,173,112,81,16,174>> ->
- ?line big = erlang:system_info(endian),
+ big = erlang:system_info(endian),
"Big endian machine";
<<180,28,33,231,239,184,71,125,76,47,227,241,78,184,176,233>> ->
- ?line little = erlang:system_info(endian),
+ little = erlang:system_info(endian),
"Little endian machine"
end,
- ?line <<124,81,198,121,174,233,19,137,10,83,33,80,226,111,238,99>> = S2,
- ?line 2 = erlang:hash(1, (1 bsl 27) -1),
- ?line {'EXIT', _} = (catch erlang:hash(1, (1 bsl 27))),
+ <<124,81,198,121,174,233,19,137,10,83,33,80,226,111,238,99>> = S2,
+ 2 = erlang:hash(1, (1 bsl 27) -1),
+ {'EXIT', _} = (catch erlang:hash(1, (1 bsl 27))),
{comment, Comment}.
d() ->
@@ -528,21 +528,21 @@ md5(T) ->
erlang:md5(term_to_binary(T)).
bit_level_binaries() ->
- ?line [3511317,7022633,14044578,28087749,56173436,112344123,90467083|_] =
+ [3511317,7022633,14044578,28087749,56173436,112344123,90467083|_] =
bit_level_all_different(fun erlang:hash/2),
- ?line [3511317,7022633,14044578,28087749,56173436,112344123,90467083|_] =
+ [3511317,7022633,14044578,28087749,56173436,112344123,90467083|_] =
bit_level_all_different(fun erlang:phash/2),
- ?line [102233154,19716,102133857,4532024,123369135,24565730,109558721|_] =
+ [102233154,19716,102133857,4532024,123369135,24565730,109558721|_] =
bit_level_all_different(fun erlang:phash2/2),
- ?line 13233341 = test_hash_phash(<<42:7>>, 16#7FFFFFF),
- ?line 79121243 = test_hash_phash(<<99:7>>, 16#7FFFFFF),
- ?line 95517726 = test_hash_phash(<<16#378ABF73:31>>, 16#7FFFFFF),
+ 13233341 = test_hash_phash(<<42:7>>, 16#7FFFFFF),
+ 79121243 = test_hash_phash(<<99:7>>, 16#7FFFFFF),
+ 95517726 = test_hash_phash(<<16#378ABF73:31>>, 16#7FFFFFF),
- ?line 64409098 = test_phash2(<<99:7>>, 16#7FFFFFF),
- ?line 55555814 = test_phash2(<<123,19:2>>, 16#7FFFFFF),
- ?line 83868582 = test_phash2(<<123,45,6:3>>, 16#7FFFFFF),
- ?line 2123204 = test_phash2(<<123,45,7:3>>, 16#7FFFFFF),
+ 64409098 = test_phash2(<<99:7>>, 16#7FFFFFF),
+ 55555814 = test_phash2(<<123,19:2>>, 16#7FFFFFF),
+ 83868582 = test_phash2(<<123,45,6:3>>, 16#7FFFFFF),
+ 2123204 = test_phash2(<<123,45,7:3>>, 16#7FFFFFF),
ok.
@@ -579,7 +579,7 @@ test_phash2(Bitstr, Rem) ->
otp_7127_test() ->
%% Used to return 2589127136.
- ?line 38990304 = erlang:phash2(<<"Scott9">>),
+ 38990304 = erlang:phash2(<<"Scott9">>),
ok.
%%
@@ -711,7 +711,7 @@ collect_hits() ->
init_table(),
N.
-integer_to_binary(N) ->
+integer_to_binary_value(N) ->
list_to_binary(lists:reverse(integer_to_bytelist(N,[]))).
integer_to_bytelist(0,Acc) ->
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 6bd7361612..0a9d997c3b 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -36,7 +36,7 @@
threading/1, send/1, send2/1, send3/1, send_threaded/1, neg/1,
is_checks/1,
get_length/1, make_atom/1, make_string/1, reverse_list_test/1,
- otp_9668/1
+ otp_9668/1, consume_timeslice/1
]).
-export([many_args_100/100]).
@@ -63,7 +63,7 @@ all() ->
resource_takeover, threading, send, send2, send3,
send_threaded, neg, is_checks, get_length, make_atom,
make_string,reverse_list_test,
- otp_9668
+ otp_9668, consume_timeslice
].
groups() ->
@@ -1259,6 +1259,108 @@ otp_9668(Config) ->
?line verify_tmpmem(TmpMem),
ok.
+consume_timeslice(Config) when is_list(Config) ->
+ CONTEXT_REDS = 2000,
+ Me = self(),
+ Go = make_ref(),
+ RedDiff = make_ref(),
+ Done = make_ref(),
+ DummyMFA = {?MODULE,dummy_call,1},
+ P = spawn(fun () ->
+ receive Go -> ok end,
+ {reductions, R1} = process_info(self(), reductions),
+ 1 = consume_timeslice_nif(100, false),
+ dummy_call(111),
+ 0 = consume_timeslice_nif(90, false),
+ dummy_call(222),
+ 1 = consume_timeslice_nif(10, false),
+ dummy_call(333),
+ 0 = consume_timeslice_nif(25, false),
+ 0 = consume_timeslice_nif(25, false),
+ 0 = consume_timeslice_nif(25, false),
+ 1 = consume_timeslice_nif(25, false),
+ 0 = consume_timeslice_nif(25, false),
+
+ ok = case consume_timeslice_nif(1, true) of
+ Cnt when Cnt > 70, Cnt < 80 -> ok;
+ Other -> Other
+ end,
+ dummy_call(444),
+
+ {reductions, R2} = process_info(self(), reductions),
+ Me ! {RedDiff, R2 - R1},
+ exit(Done)
+ end),
+ erlang:yield(),
+
+ erlang:trace_pattern(DummyMFA, [], [local]),
+ ?line 1 = erlang:trace(P, true, [call, running, procs, {tracer, self()}]),
+
+ P ! Go,
+
+ %% receive Go -> ok end,
+ ?line {trace, P, in, _} = next_tmsg(P),
+
+ %% consume_timeslice_nif(100),
+ %% dummy_call(111)
+ ?line {trace, P, out, _} = next_tmsg(P),
+ ?line {trace, P, in, _} = next_tmsg(P),
+ ?line {trace, P, call, {?MODULE,dummy_call,[111]}} = next_tmsg(P),
+
+ %% consume_timeslice_nif(90),
+ %% dummy_call(222)
+ ?line {trace, P, call, {?MODULE,dummy_call,[222]}} = next_tmsg(P),
+
+ %% consume_timeslice_nif(10),
+ %% dummy_call(333)
+ ?line {trace, P, out, _} = next_tmsg(P),
+ ?line {trace, P, in, _} = next_tmsg(P),
+ ?line {trace, P, call, {?MODULE,dummy_call,[333]}} = next_tmsg(P),
+
+ %% 25,25,25,25, 25
+ ?line {trace, P, out, {?MODULE,consume_timeslice_nif,2}} = next_tmsg(P),
+ ?line {trace, P, in, {?MODULE,consume_timeslice_nif,2}} = next_tmsg(P),
+
+ %% consume_timeslice(1,true)
+ %% dummy_call(444)
+ ?line {trace, P, out, DummyMFA} = next_tmsg(P),
+ ?line {trace, P, in, DummyMFA} = next_tmsg(P),
+ ?line {trace, P, call, {?MODULE,dummy_call,[444]}} = next_tmsg(P),
+
+ %% exit(Done)
+ ?line {trace, P, exit, Done} = next_tmsg(P),
+
+ ExpReds = (100 + 90 + 10 + 25*5 + 75) * CONTEXT_REDS div 100,
+ receive
+ {RedDiff, Reductions} when Reductions < (ExpReds + 10), Reductions > (ExpReds - 10) ->
+ io:format("Reductions = ~p~n", [Reductions]),
+ ok;
+ {RedDiff, Reductions} ->
+ ?t:fail({unexpected_reduction_count, Reductions})
+ end,
+
+ none = next_msg(P),
+
+ ok.
+
+next_msg(Pid) ->
+ receive
+ M -> M
+ after 100 ->
+ none
+ end.
+
+next_tmsg(Pid) ->
+ receive TMsg when is_tuple(TMsg),
+ element(1, TMsg) == trace,
+ element(2, TMsg) == Pid ->
+ TMsg
+ after 100 ->
+ none
+ end.
+
+dummy_call(_) ->
+ ok.
tmpmem() ->
case erlang:system_info({allocator,temp_alloc}) of
@@ -1370,6 +1472,7 @@ reverse_list(_) -> ?nif_stub.
echo_int(_) -> ?nif_stub.
type_sizes() -> ?nif_stub.
otp_9668_nif(_) -> ?nif_stub.
+consume_timeslice_nif(_,_) -> ?nif_stub.
nif_stub_error(Line) ->
exit({nif_not_loaded,module,?MODULE,line,Line}).
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index 03092fef5e..2504d24b51 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -1456,6 +1456,27 @@ static ERL_NIF_TERM otp_9668_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar
return atom_ok;
}
+static ERL_NIF_TERM consume_timeslice_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ int percent;
+ char atom[10];
+ int do_repeat;
+
+ if (!enif_get_int(env, argv[0], &percent) ||
+ !enif_get_atom(env, argv[1], atom, sizeof(atom), ERL_NIF_LATIN1)) {
+ return enif_make_badarg(env);
+ }
+ if (strcmp(atom , "true") == 0) {
+ int cnt = 1;
+ while (enif_consume_timeslice(env, percent) == 0 && cnt < 200)
+ cnt++;
+ return enif_make_int(env, cnt);
+ }
+ else {
+ return enif_make_int(env, enif_consume_timeslice(env, percent));
+ }
+}
+
static ErlNifFunc nif_funcs[] =
{
{"lib_version", 0, lib_version},
@@ -1504,7 +1525,8 @@ static ErlNifFunc nif_funcs[] =
{"reverse_list",1, reverse_list},
{"echo_int", 1, echo_int},
{"type_sizes", 0, type_sizes},
- {"otp_9668_nif", 1, otp_9668_nif}
+ {"otp_9668_nif", 1, otp_9668_nif},
+ {"consume_timeslice_nif", 2, consume_timeslice_nif}
};
ERL_NIF_INIT(nif_SUITE,nif_funcs,load,reload,upgrade,unload)
diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl
index bf33c337ee..b92a0e2059 100644
--- a/erts/emulator/test/num_bif_SUITE.erl
+++ b/erts/emulator/test/num_bif_SUITE.erl
@@ -31,24 +31,28 @@
%% list_to_integer/1
%% round/1
%% trunc/1
-
--export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
- init_per_group/2,end_per_group/2, t_abs/1, t_float/1,
- t_float_to_list/1, t_integer_to_list/1,
- t_list_to_integer/1,
- t_list_to_float_safe/1, t_list_to_float_risky/1,
- t_round/1, t_trunc/1]).
+%% integer_to_binary/1
+%% integer_to_binary/2
+%% binary_to_integer/1
+
+-export([all/0, suite/0, groups/0, init_per_suite/1, end_per_suite/1,
+ init_per_group/2, end_per_group/2, t_abs/1, t_float/1,
+ t_float_to_string/1, t_integer_to_string/1,
+ t_string_to_integer/1,
+ t_string_to_float_safe/1, t_string_to_float_risky/1,
+ t_round/1, t_trunc/1
+ ]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [t_abs, t_float, t_float_to_list, t_integer_to_list,
- {group, t_list_to_float}, t_list_to_integer, t_round,
+ [t_abs, t_float, t_float_to_string, t_integer_to_string,
+ {group, t_string_to_float}, t_string_to_integer, t_round,
t_trunc].
groups() ->
- [{t_list_to_float, [],
- [t_list_to_float_safe, t_list_to_float_risky]}].
+ [{t_string_to_float, [],
+ [t_string_to_float_safe, t_string_to_float_risky]}].
init_per_suite(Config) ->
Config.
@@ -65,257 +69,382 @@ end_per_group(_GroupName, Config) ->
t_abs(Config) when is_list(Config) ->
%% Floats.
- ?line 5.5 = abs(id(5.5)),
- ?line 0.0 = abs(id(0.0)),
- ?line 100.0 = abs(id(-100.0)),
+ 5.5 = abs(id(5.5)),
+ 0.0 = abs(id(0.0)),
+ 100.0 = abs(id(-100.0)),
%% Integers.
- ?line 5 = abs(id(5)),
- ?line 0 = abs(id(0)),
- ?line 100 = abs(id(-100)),
+ 5 = abs(id(5)),
+ 0 = abs(id(0)),
+ 100 = abs(id(-100)),
%% The largest smallnum. OTP-3190.
- ?line X = id((1 bsl 27) - 1),
- ?line X = abs(X),
- ?line X = abs(X-1)+1,
- ?line X = abs(X+1)-1,
- ?line X = abs(-X),
- ?line X = abs(-X-1)-1,
- ?line X = abs(-X+1)+1,
+ X = id((1 bsl 27) - 1),
+ X = abs(X),
+ X = abs(X-1)+1,
+ X = abs(X+1)-1,
+ X = abs(-X),
+ X = abs(-X-1)-1,
+ X = abs(-X+1)+1,
%% Bignums.
BigNum = id(13984792374983749),
- ?line BigNum = abs(BigNum),
- ?line BigNum = abs(-BigNum),
+ BigNum = abs(BigNum),
+ BigNum = abs(-BigNum),
ok.
t_float(Config) when is_list(Config) ->
- ?line 0.0 = float(id(0)),
- ?line 2.5 = float(id(2.5)),
- ?line 0.0 = float(id(0.0)),
- ?line -100.55 = float(id(-100.55)),
- ?line 42.0 = float(id(42)),
- ?line -100.0 = float(id(-100)),
+ 0.0 = float(id(0)),
+ 2.5 = float(id(2.5)),
+ 0.0 = float(id(0.0)),
+ -100.55 = float(id(-100.55)),
+ 42.0 = float(id(42)),
+ -100.0 = float(id(-100)),
%% Bignums.
- ?line 4294967305.0 = float(id(4294967305)),
- ?line -4294967305.0 = float(id(-4294967305)),
+ 4294967305.0 = float(id(4294967305)),
+ -4294967305.0 = float(id(-4294967305)),
%% Extremly big bignums.
- ?line Big = id(list_to_integer(id(lists:duplicate(2000, $1)))),
- ?line {'EXIT', {badarg, _}} = (catch float(Big)),
-
- %% Invalid types and lists.
- ?line {'EXIT', {badarg, _}} = (catch list_to_integer(id(atom))),
- ?line {'EXIT', {badarg, _}} = (catch list_to_integer(id(123))),
- ?line {'EXIT', {badarg, _}} = (catch list_to_integer(id([$1,[$2]]))),
- ?line {'EXIT', {badarg, _}} = (catch list_to_integer(id("1.2"))),
- ?line {'EXIT', {badarg, _}} = (catch list_to_integer(id("a"))),
- ?line {'EXIT', {badarg, _}} = (catch list_to_integer(id(""))),
+ Big = id(list_to_integer(id(lists:duplicate(2000, $1)))),
+ {'EXIT', {badarg, _}} = (catch float(Big)),
+
ok.
-%% Tests float_to_list/1, float_to_list/2.
-
-t_float_to_list(Config) when is_list(Config) ->
- test_ftl("0.0e+0", 0.0),
- test_ftl("2.5e+1", 25.0),
- test_ftl("2.5e+0", 2.5),
- test_ftl("2.5e-1", 0.25),
- test_ftl("-3.5e+17", -350.0e15),
- "1.00000000000000000000e+00" = float_to_list(1.0),
- "1.00000000000000000000e+00" = float_to_list(1.0, []),
- "-1.00000000000000000000e+00" = float_to_list(-1.0, []),
- "-1.00000000000000000000" = float_to_list(-1.0, [{decimals, 20}]),
- {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{decimals, -1}])),
- {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{decimals, 250}])),
- {'EXIT', {badarg, _}} = (catch float_to_list(1.0e+300, [{decimals, 1}])),
- "1.0e+300" = float_to_list(1.0e+300, [{scientific, 1}]),
- "1.0" = float_to_list(1.0, [{decimals, 249}, compact]),
- Expected = "1." ++ string:copies("0", 249) ++ "e+00",
- Expected = float_to_list(1.0, [{scientific, 249}, compact]),
+%% Tests float_to_list/1, float_to_list/2, float_to_binary/1, float_to_binary/2
+
+t_float_to_string(Config) when is_list(Config) ->
+ test_fts("0.00000000000000000000e+00", 0.0),
+ test_fts("2.50000000000000000000e+01", 25.0),
+ test_fts("2.50000000000000000000e+00", 2.5),
+ test_fts("2.50000000000000000000e-01", 0.25),
+ test_fts("-3.50000000000000000000e+17", -350.0e15),
+ test_fts("1.00000000000000000000e+00",1.0),
+ test_fts("1.00000000000000000000e+00",1.0, []),
+ test_fts("-1.00000000000000000000e+00",-1.0, []),
+ test_fts("-1.00000000000000000000",-1.0, [{decimals, 20}]),
+ {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{decimals, -1}])),
+ {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{decimals, 254}])),
+ {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{scientific, 250}])),
+ {'EXIT', {badarg, _}} = (catch float_to_list(1.0e+300, [{decimals, 1}])),
+ {'EXIT', {badarg, _}} = (catch float_to_binary(1.0, [{decimals, -1}])),
+ {'EXIT', {badarg, _}} = (catch float_to_binary(1.0, [{decimals, 254}])),
+ {'EXIT', {badarg, _}} = (catch float_to_binary(1.0, [{scientific, 250}])),
+ {'EXIT', {badarg, _}} = (catch float_to_binary(1.0e+300, [{decimals, 1}])),
+ test_fts("1.0e+300",1.0e+300, [{scientific, 1}]),
+ test_fts("1.0",1.0, [{decimals, 249}, compact]),
+ test_fts("1",1.0,[{decimals,0}]),
+ test_fts("2",1.9,[{decimals,0}]),
+ test_fts("123456789012345680.0",123456789012345678.0,
+ [{decimals, 236}, compact]),
+ {'EXIT', {badarg, _}} = (catch float_to_list(
+ 123456789012345678.0, [{decimals, 237}])),
+ {'EXIT', {badarg, _}} = (catch float_to_binary(
+ 123456789012345678.0, [{decimals, 237}])),
+ test_fts("1." ++ string:copies("0", 249) ++ "e+00",
+ 1.0, [{scientific, 249}, compact]),
X1 = float_to_list(1.0),
X2 = float_to_list(1.0, [{scientific, 20}]),
X1 = X2,
- "1.000e+00" = float_to_list(1.0, [{scientific, 3}]),
- "1.000" = float_to_list(1.0, [{decimals, 3}]),
- "1.0" = float_to_list(1.0, [{decimals, 3}, compact]),
- "1.12" = float_to_list(1.123, [{decimals, 2}]),
- "1.123" = float_to_list(1.123, [{decimals, 3}]),
- "1.123" = float_to_list(1.123, [{decimals, 3}, compact]),
- "1.1230" = float_to_list(1.123, [{decimals, 4}]),
- "1.12300" = float_to_list(1.123, [{decimals, 5}]),
- "1.123" = float_to_list(1.123, [{decimals, 5}, compact]),
- "1.1234" = float_to_list(1.1234,[{decimals, 6}, compact]),
+
+ Y1 = float_to_binary(1.0),
+ Y2 = float_to_binary(1.0, [{scientific, 20}]),
+ Y1 = Y2,
+
+ test_fts("1.000e+00",1.0, [{scientific, 3}]),
+ test_fts("1.000",1.0, [{decimals, 3}]),
+ test_fts("1.0",1.0, [{decimals, 1}]),
+ test_fts("1.0",1.0, [{decimals, 3}, compact]),
+ test_fts("1.12",1.123, [{decimals, 2}]),
+ test_fts("1.123",1.123, [{decimals, 3}]),
+ test_fts("1.123",1.123, [{decimals, 3}, compact]),
+ test_fts("1.1230",1.123, [{decimals, 4}]),
+ test_fts("1.12300",1.123, [{decimals, 5}]),
+ test_fts("1.123",1.123, [{decimals, 5}, compact]),
+ test_fts("1.1234",1.1234,[{decimals, 6}, compact]),
+ test_fts("1.01",1.005, [{decimals, 2}]),
+ test_fts("-1.01",-1.005,[{decimals, 2}]),
+ test_fts("0.999",0.999, [{decimals, 3}]),
+ test_fts("-0.999",-0.999,[{decimals, 3}]),
+ test_fts("1.0",0.999, [{decimals, 2}, compact]),
+ test_fts("-1.0",-0.999,[{decimals, 2}, compact]),
+ test_fts("0.5",0.5, [{decimals, 1}]),
+ test_fts("-0.5",-0.5, [{decimals, 1}]),
"2.333333" = erlang:float_to_list(7/3, [{decimals, 6}, compact]),
"2.333333" = erlang:float_to_list(7/3, [{decimals, 6}]),
- "0.00000000000000000000e+00" = float_to_list(0.0, [compact]),
- "0.0" = float_to_list(0.0, [{decimals, 10}, compact]),
- "123000000000000000000.0" = float_to_list(1.23e20, [{decimals, 10}, compact]),
- "1.2300000000e+20" = float_to_list(1.23e20, [{scientific, 10}, compact]),
- "1.23000000000000000000e+20" = float_to_list(1.23e20, []),
+ <<"2.333333">> = erlang:float_to_binary(7/3, [{decimals, 6}, compact]),
+ <<"2.333333">> = erlang:float_to_binary(7/3, [{decimals, 6}]),
+ test_fts("0.00000000000000000000e+00",0.0, [compact]),
+ test_fts("0.0",0.0, [{decimals, 10}, compact]),
+ test_fts("123000000000000000000.0",1.23e20, [{decimals, 10}, compact]),
+ test_fts("1.2300000000e+20",1.23e20, [{scientific, 10}, compact]),
+ test_fts("1.23000000000000000000e+20",1.23e20, []),
ok.
-test_ftl(Expect, Float) ->
- %% No ?line on the next line -- we want the line number from t_float_to_list.
- Expect = remove_zeros(lists:reverse(float_to_list(Float)), []).
-
-%% Removes any non-significant zeros in a floating point number.
-%% Example: 2.500000e+01 -> 2.5e+1
-
-remove_zeros([$+, $e|Rest], [$0, X|Result]) ->
- remove_zeros([$+, $e|Rest], [X|Result]);
-remove_zeros([$-, $e|Rest], [$0, X|Result]) ->
- remove_zeros([$-, $e|Rest], [X|Result]);
-remove_zeros([$0, $.|Rest], [$e|Result]) ->
- remove_zeros(Rest, [$., $0, $e|Result]);
-remove_zeros([$0|Rest], [$e|Result]) ->
- remove_zeros(Rest, [$e|Result]);
-remove_zeros([Char|Rest], Result) ->
- remove_zeros(Rest, [Char|Result]);
-remove_zeros([], Result) ->
- Result.
-
-%% Tests integer_to_list/1.
-
-t_integer_to_list(Config) when is_list(Config) ->
- ?line "0" = integer_to_list(id(0)),
- ?line "42" = integer_to_list(id(42)),
- ?line "-42" = integer_to_list(id(-42)),
- ?line "32768" = integer_to_list(id(32768)),
- ?line "268435455" = integer_to_list(id(268435455)),
- ?line "-268435455" = integer_to_list(id(-268435455)),
- ?line "123456932798748738738" = integer_to_list(id(123456932798748738738)),
- ?line Big_List = id(lists:duplicate(2000, id($1))),
- ?line Big = list_to_integer(Big_List),
- ?line Big_List = integer_to_list(Big),
- ok.
+test_fts(Expect, Float) ->
+ Expect = float_to_list(Float),
+ BinExpect = list_to_binary(Expect),
+ BinExpect = float_to_binary(Float).
-%% Tests list_to_float/1.
+test_fts(Expect, Float, Args) ->
+ Expect = float_to_list(Float,Args),
+ BinExpect = list_to_binary(Expect),
+ BinExpect = float_to_binary(Float,Args).
-t_list_to_float_safe(Config) when is_list(Config) ->
- ?line 0.0 = list_to_float(id("0.0")),
- ?line 0.0 = list_to_float(id("-0.0")),
- ?line 0.5 = list_to_float(id("0.5")),
- ?line -0.5 = list_to_float(id("-0.5")),
- ?line 100.0 = list_to_float(id("1.0e2")),
- ?line 127.5 = list_to_float(id("127.5")),
- ?line -199.5 = list_to_float(id("-199.5")),
+%% Tests list_to_float/1.
- ?line {'EXIT',{badarg,_}} = (catch list_to_float(id("0"))),
- ?line {'EXIT',{badarg,_}} = (catch list_to_float(id("0..0"))),
- ?line {'EXIT',{badarg,_}} = (catch list_to_float(id("0e12"))),
- ?line {'EXIT',{badarg,_}} = (catch list_to_float(id("--0.0"))),
+t_string_to_float_safe(Config) when is_list(Config) ->
+ test_stf(0.0,"0.0"),
+ test_stf(0.0,"-0.0"),
+ test_stf(0.5,"0.5"),
+ test_stf(-0.5,"-0.5"),
+ test_stf(100.0,"1.0e2"),
+ test_stf(127.5,"127.5"),
+ test_stf(-199.5,"-199.5"),
+
+ {'EXIT',{badarg,_}} = (catch list_to_float(id("0"))),
+ {'EXIT',{badarg,_}} = (catch list_to_float(id("0..0"))),
+ {'EXIT',{badarg,_}} = (catch list_to_float(id("0e12"))),
+ {'EXIT',{badarg,_}} = (catch list_to_float(id("--0.0"))),
+ {'EXIT',{badarg,_}} = (catch binary_to_float(id(<<"0">>))),
+ {'EXIT',{badarg,_}} = (catch binary_to_float(id(<<"0..0">>))),
+ {'EXIT',{badarg,_}} = (catch binary_to_float(id(<<"0e12">>))),
+ {'EXIT',{badarg,_}} = (catch binary_to_float(id(<<"--0.0">>))),
+
+ UBin = <<0:3,(id(<<"0.0">>))/binary,0:5>>,
+ <<_:3,UnAlignedBin:3/binary,0:5>> = id(UBin),
+ 0.0 = binary_to_float(UnAlignedBin),
+
+ ABin = <<0:8,(id(<<"1.0">>))/binary,0:8>>,
+ <<_:8,AlignedBin:3/binary,0:8>> = id(ABin),
+ 1.0 = binary_to_float(AlignedBin),
ok.
%% This might crash the emulator...
%% (Known to crash the Unix version of Erlang 4.4.1)
-t_list_to_float_risky(Config) when is_list(Config) ->
- ?line Many_Ones = lists:duplicate(25000, id($1)),
- ?line id(list_to_float("2."++Many_Ones)),
- ?line {'EXIT', {badarg, _}} = (catch list_to_float("2"++Many_Ones)),
- ok.
-
-%% Tests list_to_integer/1.
+t_string_to_float_risky(Config) when is_list(Config) ->
+ Many_Ones = lists:duplicate(25000, id($1)),
+ id(list_to_float("2."++Many_Ones)),
+ {'EXIT', {badarg, _}} = (catch list_to_float("2"++Many_Ones)),
-t_list_to_integer(Config) when is_list(Config) ->
- ?line 0 = list_to_integer(id("0")),
- ?line 0 = list_to_integer(id("00")),
- ?line 0 = list_to_integer(id("-0")),
- ?line 1 = list_to_integer(id("1")),
- ?line -1 = list_to_integer(id("-1")),
- ?line 42 = list_to_integer(id("42")),
- ?line -12 = list_to_integer(id("-12")),
- ?line 32768 = list_to_integer(id("32768")),
- ?line 268435455 = list_to_integer(id("268435455")),
- ?line -268435455 = list_to_integer(id("-268435455")),
-
- %% Bignums.
- ?line 123456932798748738738 = list_to_integer(id("123456932798748738738")),
- ?line id(list_to_integer(lists:duplicate(2000, id($1)))),
+ id(binary_to_float(list_to_binary("2."++Many_Ones))),
+ {'EXIT', {badarg, _}} = (catch binary_to_float(
+ list_to_binary("2"++Many_Ones))),
ok.
+test_stf(Expect,List) ->
+ Expect = list_to_float(List),
+ Bin = list_to_binary(List),
+ Expect = binary_to_float(Bin).
+
%% Tests round/1.
t_round(Config) when is_list(Config) ->
- ?line 0 = round(id(0.0)),
- ?line 0 = round(id(0.4)),
- ?line 1 = round(id(0.5)),
- ?line 0 = round(id(-0.4)),
- ?line -1 = round(id(-0.5)),
- ?line 255 = round(id(255.3)),
- ?line 256 = round(id(255.6)),
- ?line -1033 = round(id(-1033.3)),
- ?line -1034 = round(id(-1033.6)),
+ 0 = round(id(0.0)),
+ 0 = round(id(0.4)),
+ 1 = round(id(0.5)),
+ 0 = round(id(-0.4)),
+ -1 = round(id(-0.5)),
+ 255 = round(id(255.3)),
+ 256 = round(id(255.6)),
+ -1033 = round(id(-1033.3)),
+ -1034 = round(id(-1033.6)),
% OTP-3722:
- ?line X = id((1 bsl 27) - 1),
- ?line MX = -X,
- ?line MXm1 = -X-1,
- ?line MXp1 = -X+1,
- ?line F = id(X + 0.0),
- ?line X = round(F),
- ?line X = round(F+1)-1,
- ?line X = round(F-1)+1,
- ?line MX = round(-F),
- ?line MXm1 = round(-F-1),
- ?line MXp1 = round(-F+1),
-
- ?line X = round(F+0.1),
- ?line X = round(F+1+0.1)-1,
- ?line X = round(F-1+0.1)+1,
- ?line MX = round(-F+0.1),
- ?line MXm1 = round(-F-1+0.1),
- ?line MXp1 = round(-F+1+0.1),
-
- ?line X = round(F-0.1),
- ?line X = round(F+1-0.1)-1,
- ?line X = round(F-1-0.1)+1,
- ?line MX = round(-F-0.1),
- ?line MXm1 = round(-F-1-0.1),
- ?line MXp1 = round(-F+1-0.1),
-
- ?line 0.5 = abs(round(F+0.5)-(F+0.5)),
- ?line 0.5 = abs(round(F-0.5)-(F-0.5)),
- ?line 0.5 = abs(round(-F-0.5)-(-F-0.5)),
- ?line 0.5 = abs(round(-F+0.5)-(-F+0.5)),
+ X = id((1 bsl 27) - 1),
+ MX = -X,
+ MXm1 = -X-1,
+ MXp1 = -X+1,
+ F = id(X + 0.0),
+ X = round(F),
+ X = round(F+1)-1,
+ X = round(F-1)+1,
+ MX = round(-F),
+ MXm1 = round(-F-1),
+ MXp1 = round(-F+1),
+
+ X = round(F+0.1),
+ X = round(F+1+0.1)-1,
+ X = round(F-1+0.1)+1,
+ MX = round(-F+0.1),
+ MXm1 = round(-F-1+0.1),
+ MXp1 = round(-F+1+0.1),
+
+ X = round(F-0.1),
+ X = round(F+1-0.1)-1,
+ X = round(F-1-0.1)+1,
+ MX = round(-F-0.1),
+ MXm1 = round(-F-1-0.1),
+ MXp1 = round(-F+1-0.1),
+
+ 0.5 = abs(round(F+0.5)-(F+0.5)),
+ 0.5 = abs(round(F-0.5)-(F-0.5)),
+ 0.5 = abs(round(-F-0.5)-(-F-0.5)),
+ 0.5 = abs(round(-F+0.5)-(-F+0.5)),
%% Bignums.
- ?line 4294967296 = round(id(4294967296.1)),
- ?line 4294967297 = round(id(4294967296.9)),
- ?line -4294967296 = -round(id(4294967296.1)),
- ?line -4294967297 = -round(id(4294967296.9)),
+ 4294967296 = round(id(4294967296.1)),
+ 4294967297 = round(id(4294967296.9)),
+ -4294967296 = -round(id(4294967296.1)),
+ -4294967297 = -round(id(4294967296.9)),
ok.
t_trunc(Config) when is_list(Config) ->
- ?line 0 = trunc(id(0.0)),
- ?line 5 = trunc(id(5.3333)),
- ?line -10 = trunc(id(-10.978987)),
+ 0 = trunc(id(0.0)),
+ 5 = trunc(id(5.3333)),
+ -10 = trunc(id(-10.978987)),
% The largest smallnum, converted to float (OTP-3722):
- ?line X = id((1 bsl 27) - 1),
- ?line F = id(X + 0.0),
+ X = id((1 bsl 27) - 1),
+ F = id(X + 0.0),
io:format("X = ~p/~w/~w, F = ~p/~w/~w, trunc(F) = ~p/~w/~w~n",
[X, X, binary_to_list(term_to_binary(X)),
F, F, binary_to_list(term_to_binary(F)),
trunc(F), trunc(F), binary_to_list(term_to_binary(trunc(F)))]),
- ?line X = trunc(F),
- ?line X = trunc(F+1)-1,
- ?line X = trunc(F-1)+1,
- ?line X = -trunc(-F),
- ?line X = -trunc(-F-1)-1,
- ?line X = -trunc(-F+1)+1,
+ X = trunc(F),
+ X = trunc(F+1)-1,
+ X = trunc(F-1)+1,
+ X = -trunc(-F),
+ X = -trunc(-F-1)-1,
+ X = -trunc(-F+1)+1,
%% Bignums.
- ?line 4294967305 = trunc(id(4294967305.7)),
- ?line -4294967305 = trunc(id(-4294967305.7)),
+ 4294967305 = trunc(id(4294967305.7)),
+ -4294967305 = trunc(id(-4294967305.7)),
ok.
+
+%% Tests integer_to_binary/1.
+
+t_integer_to_string(Config) when is_list(Config) ->
+ test_its("0",0),
+ test_its("42",42),
+ test_its("-42",-42),
+ test_its("32768",32768),
+ test_its("268435455",268435455),
+ test_its("-268435455",-268435455),
+ test_its("123456932798748738738",123456932798748738738),
+
+ %% 1 bsl 33, just beyond 32 bit
+ test_its("8589934592",8589934592),
+ test_its("-8589934592",-8589934592),
+ %% 1 bsl 65, just beyond 64 bit
+ test_its("36893488147419103232",36893488147419103232),
+ test_its("-36893488147419103232",-36893488147419103232),
+
+ %% Bignums.
+ BigBin = id(list_to_binary(lists:duplicate(2000, id($1)))),
+ Big = erlang:binary_to_integer(BigBin),
+ BigBin = erlang:integer_to_binary(Big),
+
+ %% Invalid types
+ lists:foreach(fun(Value) ->
+ {'EXIT', {badarg, _}} =
+ (catch erlang:integer_to_binary(Value)),
+ {'EXIT', {badarg, _}} =
+ (catch erlang:integer_to_list(Value))
+ end,[atom,1.2,0.0,[$1,[$2]]]),
+
+ ok.
+
+test_its(List,Int) ->
+ Int = list_to_integer(List),
+ Int = binary_to_integer(list_to_binary(List)).
+
+%% Tests binary_to_integer/1.
+
+t_string_to_integer(Config) when is_list(Config) ->
+ 0 = erlang:binary_to_integer(id(<<"00">>)),
+ 0 = erlang:binary_to_integer(id(<<"-0">>)),
+ 0 = erlang:binary_to_integer(id(<<"+0">>)),
+
+ test_sti(0),
+ test_sti(1),
+ test_sti(-1),
+ test_sti(42),
+ test_sti(-12),
+ test_sti(32768),
+ test_sti(268435455),
+ test_sti(-268435455),
+
+ %% 1 bsl 28 - 1, just before 32 bit bignum
+ test_sti(1 bsl 28 - 1),
+ %% 1 bsl 28, just beyond 32 bit small
+ test_sti(1 bsl 28),
+ %% 1 bsl 33, just beyond 32 bit
+ test_sti(1 bsl 33),
+ %% 1 bsl 60 - 1, just before 64 bit bignum
+ test_sti(1 bsl 60 - 1),
+ %% 1 bsl 60, just beyond 64 bit small
+ test_sti(1 bsl 60),
+ %% 1 bsl 65, just beyond 64 bit
+ test_sti(1 bsl 65),
+ %% Bignums.
+ test_sti(123456932798748738738,16),
+ test_sti(list_to_integer(lists:duplicate(2000, $1))),
+
+ %% unalign string
+ Str = <<"10">>,
+ UnalignStr = <<0:3, (id(Str))/binary, 0:5>>,
+ <<_:3, SomeStr:2/binary, _:5>> = id(UnalignStr),
+ 10 = erlang:binary_to_integer(SomeStr),
+
+ %% Invalid types
+ lists:foreach(fun(Value) ->
+ {'EXIT', {badarg, _}} =
+ (catch binary_to_integer(Value)),
+ {'EXIT', {badarg, _}} =
+ (catch erlang:list_to_integer(Value))
+ end,[atom,1.2,0.0,[$1,[$2]]]),
+
+ % Default base error cases
+ lists:foreach(fun(Value) ->
+ {'EXIT', {badarg, _}} =
+ (catch erlang:binary_to_integer(
+ list_to_binary(Value))),
+ {'EXIT', {badarg, _}} =
+ (catch erlang:list_to_integer(Value))
+ end,["1.0"," 1"," -1",""]),
+
+ % Custom base error cases
+ lists:foreach(fun({Value,Base}) ->
+ {'EXIT', {badarg, _}} =
+ (catch binary_to_integer(
+ list_to_binary(Value),Base)),
+ {'EXIT', {badarg, _}} =
+ (catch erlang:list_to_integer(Value,Base))
+ end,[{" 1",1},{" 1",37},{"2",2},{"C",11},
+ {"1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111z",16},
+ {"1z111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111",16},
+ {"111z11111111",16}]),
+
+ ok.
+
+test_sti(Num) ->
+ [begin
+ io:format("Testing ~p:~p",[Num,Base]),
+ test_sti(Num,Base)
+ end|| Base <- lists:seq(2,36)].
+
+test_sti(Num,Base) ->
+ Num = list_to_integer(int2list(Num,Base),Base),
+ Num = -1*list_to_integer(int2list(Num*-1,Base),Base),
+ Num = binary_to_integer(int2bin(Num,Base),Base),
+ Num = -1*binary_to_integer(int2bin(Num*-1,Base),Base).
+
% Calling this function (which is not supposed to be inlined) prevents
% the compiler from calculating the answer, so we don't test the compiler
% instead of the newest runtime system.
id(X) -> X.
+
+%% Uses the printing library to to integer_to_binary conversions.
+int2bin(Int,Base) when Base < 37 ->
+ iolist_to_binary(int2list(Int,Base)).
+
+int2list(Int,Base) when Base < 37 ->
+ lists:flatten(io_lib:format("~."++integer_to_list(Base)++"B",[Int])).
diff --git a/erts/emulator/utils/gen_git_version b/erts/emulator/utils/gen_git_version
new file mode 100755
index 0000000000..ef06a4b8e2
--- /dev/null
+++ b/erts/emulator/utils/gen_git_version
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+OUTPUT_FILE=$1
+
+if command -v git 2>&1 >/dev/null &&
+ test -d $ERL_TOP/.git -o -f $ERL_TOP/.git
+then
+ VSN=`git describe --match "OTP_R[0-9][0-9][A-B]*" HEAD`
+ case "$VSN" in
+ OTP_R*-g*)
+ VSN=`echo $VSN | sed -e 's/.*-g\\(.*\\)/\\1/g'` ;;
+ *) VSN="na" ;;
+ esac
+else
+ VSN="na"
+fi
+
+
+# Only update the file if there has been a change to
+# the version number.
+if test -r $OUTPUT_FILE
+then
+ VC=`sed -n -e 's/^.*"\\\\"\\(.*\\)\\\\"".*/\\1/p' < $OUTPUT_FILE`
+else
+ VC=unset
+fi
+
+if test "$VSN" != "$VC"
+then
+ echo "# Automatically generated by $0 - DO NOT EDIT." > $OUTPUT_FILE
+ if test "$VSN" = "na"
+ then
+ echo "# GIT_VSN=-DERLANG_GIT_VERSION=\"\\\"$VSN\\\"\"" >> $OUTPUT_FILE
+ else
+ echo "GIT_VSN=-DERLANG_GIT_VERSION=\"\\\"$VSN\\\"\"" >> $OUTPUT_FILE
+ fi
+ exit 0
+fi
+exit 1 \ No newline at end of file