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-rw-r--r--erts/emulator/Makefile.in4
-rw-r--r--erts/emulator/beam/erl_port_task.c3
-rwxr-xr-xerts/emulator/beam/global.h4
-rw-r--r--erts/emulator/beam/io.c26
-rw-r--r--erts/emulator/drivers/common/efile_drv.c4
-rw-r--r--erts/emulator/sys/common/erl_check_io.c16
-rw-r--r--erts/emulator/test/port_SUITE.erl13
-rw-r--r--erts/etc/unix/cerl.src33
-rw-r--r--erts/preloaded/ebin/prim_eval.beambin0 -> 1352 bytes
-rw-r--r--erts/preloaded/src/.gitignore1
-rw-r--r--erts/preloaded/src/Makefile26
-rw-r--r--erts/preloaded/src/add_abstract_code34
-rw-r--r--erts/preloaded/src/prim_eval.S70
-rw-r--r--erts/preloaded/src/prim_eval.erl28
-rw-r--r--erts/test/z_SUITE.erl9
15 files changed, 245 insertions, 26 deletions
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in
index fb4cde0e76..58e83540e1 100644
--- a/erts/emulator/Makefile.in
+++ b/erts/emulator/Makefile.in
@@ -559,13 +559,14 @@ GENERATE += $(TTF_DIR)/driver_tab.c
# Preloaded code.
#
# This list must be consistent with PRE_LOADED_MODULES in
-# lib/kernel/src/Makefile.
+# erts/preloaded/src/Makefile.
ifeq ($(TARGET),win32)
# On windows the preloaded objects are in a resource object.
PRELOAD_OBJ = $(OBJDIR)/beams.$(RES_EXT)
PRELOAD_SRC = $(TARGET)/beams.rc
$(PRELOAD_SRC): $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
$(ERL_TOP)/erts/preloaded/ebin/init.beam \
+ $(ERL_TOP)/erts/preloaded/ebin/prim_eval.beam \
$(ERL_TOP)/erts/preloaded/ebin/prim_inet.beam \
$(ERL_TOP)/erts/preloaded/ebin/prim_file.beam \
$(ERL_TOP)/erts/preloaded/ebin/zlib.beam \
@@ -579,6 +580,7 @@ PRELOAD_OBJ = $(OBJDIR)/preload.o
PRELOAD_SRC = $(TARGET)/preload.c
$(PRELOAD_SRC): $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
$(ERL_TOP)/erts/preloaded/ebin/init.beam \
+ $(ERL_TOP)/erts/preloaded/ebin/prim_eval.beam \
$(ERL_TOP)/erts/preloaded/ebin/prim_inet.beam \
$(ERL_TOP)/erts/preloaded/ebin/prim_file.beam \
$(ERL_TOP)/erts/preloaded/ebin/zlib.beam \
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index 53cb01a8c6..f753de8f52 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -1928,18 +1928,21 @@ begin_port_cleanup(Port *pp, ErtsPortTask **execqp, int *processing_busy_q_p)
break;
case ERTS_PORT_TASK_INPUT:
erts_stale_drv_select(pp->common.id,
+ ERTS_Port2ErlDrvPort(pp),
ptp->u.alive.td.io.event,
DO_READ,
1);
break;
case ERTS_PORT_TASK_OUTPUT:
erts_stale_drv_select(pp->common.id,
+ ERTS_Port2ErlDrvPort(pp),
ptp->u.alive.td.io.event,
DO_WRITE,
1);
break;
case ERTS_PORT_TASK_EVENT:
erts_stale_drv_select(pp->common.id,
+ ERTS_Port2ErlDrvPort(pp),
ptp->u.alive.td.io.event,
0,
1);
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 26ed5f82c1..d5e727bcba 100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -723,10 +723,10 @@ void erts_raw_port_command(Port*, byte*, Uint);
void driver_report_exit(ErlDrvPort, int);
LineBuf* allocate_linebuf(int);
int async_ready(Port *, void*);
-ErtsPortNames *erts_get_port_names(Eterm);
+ErtsPortNames *erts_get_port_names(Eterm, ErlDrvPort);
void erts_free_port_names(ErtsPortNames *);
Uint erts_port_ioq_size(Port *pp);
-void erts_stale_drv_select(Eterm, ErlDrvEvent, int, int);
+void erts_stale_drv_select(Eterm, ErlDrvPort, ErlDrvEvent, int, int);
Port *erts_get_heart_port(void);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 13cff24b95..01e130bd64 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -4814,7 +4814,8 @@ int async_ready(Port *p, void* data)
static void
report_missing_drv_callback(Port *p, char *drv_type, char *callback)
{
- ErtsPortNames *pnp = erts_get_port_names(p->common.id);
+ ErtsPortNames *pnp = erts_get_port_names(p->common.id,
+ ERTS_Port2ErlDrvPort(p));
char *unknown = "<unknown>";
char *drv_name = pnp->driver_name ? pnp->driver_name : unknown;
char *prt_name = pnp->name ? pnp->name : unknown;
@@ -4829,15 +4830,25 @@ report_missing_drv_callback(Port *p, char *drv_type, char *callback)
void
erts_stale_drv_select(Eterm port,
+ ErlDrvPort drv_port,
ErlDrvEvent hndl,
int mode,
int deselect)
{
char *type;
- ErlDrvPort drv_port = ERTS_Port2ErlDrvPort(erts_port_lookup_raw(port));
- ErtsPortNames *pnp = erts_get_port_names(port);
+ ErtsPortNames *pnp;
erts_dsprintf_buf_t *dsbufp;
+ if (drv_port == ERTS_INVALID_ERL_DRV_PORT) {
+ Port *prt = erts_port_lookup_raw(port);
+ if (prt)
+ drv_port = ERTS_Port2ErlDrvPort(port);
+ else
+ drv_port = ERTS_INVALID_ERL_DRV_PORT;
+ }
+
+ pnp = erts_get_port_names(port, drv_port);
+
switch (mode) {
case ERL_DRV_READ | ERL_DRV_WRITE:
type = "Input/Output";
@@ -4872,12 +4883,16 @@ erts_stale_drv_select(Eterm port,
}
ErtsPortNames *
-erts_get_port_names(Eterm id)
+erts_get_port_names(Eterm id, ErlDrvPort drv_port)
{
- Port *prt = erts_port_lookup_raw(id);
+ Port *prt;
ErtsPortNames *pnp;
ASSERT(is_nil(id) || is_internal_port(id));
+ prt = ERTS_ErlDrvPort2Port(drv_port);
+ if (prt == ERTS_INVALID_ERL_DRV_PORT)
+ prt = erts_port_lookup_raw(id);
+
if (!prt) {
pnp = erts_alloc(ERTS_ALC_T_PORT_NAMES, sizeof(ErtsPortNames));
pnp->name = NULL;
@@ -4889,6 +4904,7 @@ erts_get_port_names(Eterm id)
size_t pnp_len = sizeof(ErtsPortNames);
#ifndef DEBUG
pnp_len += 100; /* In most cases 100 characters will be enough... */
+ ASSERT(prt->common.id == id);
#endif
pnp = erts_alloc(ERTS_ALC_T_PORT_NAMES, pnp_len);
do {
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index 6cc1295973..595b0488a8 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -1679,10 +1679,10 @@ static void invoke_pwritev(void *data) {
d->again = 0;
}
} else
- ASSERT(written == FILE_SEGMENT_WRITE);
+ ASSERT(written >= FILE_SEGMENT_WRITE);
MUTEX_LOCK(d->c.writev.q_mtx);
- driver_deq(d->c.pwritev.port, size);
+ driver_deq(d->c.pwritev.port, written);
MUTEX_UNLOCK(d->c.writev.q_mtx);
done:
EF_FREE(iov); /* Free our copy of the vector, nothing to restore */
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index 853dd90c34..7035dc77df 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -874,7 +874,7 @@ need2steal(ErtsDrvEventState *state, int mode)
static void
print_driver_name(erts_dsprintf_buf_t *dsbufp, Eterm id)
{
- ErtsPortNames *pnp = erts_get_port_names(id);
+ ErtsPortNames *pnp = erts_get_port_names(id, ERTS_INVALID_ERL_DRV_PORT);
if (!pnp->name && !pnp->driver_name)
erts_dsprintf(dsbufp, "%s ", "<unknown>");
else {
@@ -1357,8 +1357,8 @@ bad_fd_in_pollset(ErtsDrvEventState *state, Eterm inport,
"Bad %s fd in erts_poll()! fd=%d, ",
io_str, (int) state->fd);
if (is_nil(port)) {
- ErtsPortNames *ipnp = erts_get_port_names(inport);
- ErtsPortNames *opnp = erts_get_port_names(outport);
+ ErtsPortNames *ipnp = erts_get_port_names(inport, ERTS_INVALID_ERL_DRV_PORT);
+ ErtsPortNames *opnp = erts_get_port_names(outport, ERTS_INVALID_ERL_DRV_PORT);
erts_dsprintf(dsbufp, "ports=%T/%T, drivers=%s/%s, names=%s/%s\n",
is_nil(inport) ? am_undefined : inport,
is_nil(outport) ? am_undefined : outport,
@@ -1370,7 +1370,7 @@ bad_fd_in_pollset(ErtsDrvEventState *state, Eterm inport,
erts_free_port_names(opnp);
}
else {
- ErtsPortNames *pnp = erts_get_port_names(port);
+ ErtsPortNames *pnp = erts_get_port_names(port, ERTS_INVALID_ERL_DRV_PORT);
erts_dsprintf(dsbufp, "port=%T, driver=%s, name=%s\n",
is_nil(port) ? am_undefined : port,
pnp->driver_name ? pnp->driver_name : "<unknown>",
@@ -1390,7 +1390,7 @@ bad_fd_in_pollset(ErtsDrvEventState *state, Eterm inport,
static void
stale_drv_select(Eterm id, ErtsDrvEventState *state, int mode)
{
- erts_stale_drv_select(id, (ErlDrvEvent) state->fd, mode, 0);
+ erts_stale_drv_select(id, ERTS_INVALID_ERL_DRV_PORT, (ErlDrvEvent) state->fd, mode, 0);
deselect(state, mode);
}
@@ -1774,7 +1774,7 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters)
err = 1;
}
else {
- ErtsPortNames *pnp = erts_get_port_names(id);
+ ErtsPortNames *pnp = erts_get_port_names(id, ERTS_INVALID_ERL_DRV_PORT);
erts_printf(" inport=%T inname=%s indrv=%s ",
id,
pnp->name ? pnp->name : "unknown",
@@ -1791,7 +1791,7 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters)
err = 1;
}
else {
- ErtsPortNames *pnp = erts_get_port_names(id);
+ ErtsPortNames *pnp = erts_get_port_names(id, ERTS_INVALID_ERL_DRV_PORT);
erts_printf(" outport=%T outname=%s outdrv=%s ",
id,
pnp->name ? pnp->name : "unknown",
@@ -1827,7 +1827,7 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters)
err = 1;
}
else {
- ErtsPortNames *pnp = erts_get_port_names(id);
+ ErtsPortNames *pnp = erts_get_port_names(id, ERTS_INVALID_ERL_DRV_PORT);
erts_printf(" port=%T name=%s drv=%s ",
id,
pnp->name ? pnp->name : "unknown",
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index 13aa0f4c00..e467e844b3 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -92,7 +92,7 @@
spawn_driver/1, spawn_executable/1, close_deaf_port/1,
unregister_name/1, parallelism_option/1]).
--export([]).
+-export([do_iter_max_ports/2]).
%% Internal exports.
-export([tps/3]).
@@ -635,9 +635,16 @@ iter_max_ports_test(Config) ->
{win32,_} -> 4;
_ -> 10
end,
- L = do_iter_max_ports(Iters, Command),
+ %% Run on a different node in order to limit the effect if this test fails.
+ Dir = filename:dirname(code:which(?MODULE)),
+ {ok,Node} = test_server:start_node(test_iter_max_socks,slave,
+ [{args,"+Q 2048 -pa " ++ Dir}]),
+ L = rpc:call(Node,?MODULE,do_iter_max_ports,[Iters, Command]),
+ test_server:stop_node(Node),
+
io:format("Result: ~p",[L]),
all_equal(L),
+ all_equal(L),
test_server:timetrap_cancel(Dog),
{comment, "Max ports: " ++ integer_to_list(hd(L))}.
@@ -670,7 +677,7 @@ close_ports([]) ->
ok.
open_ports(Name, Settings) ->
- test_server:sleep(50),
+ test_server:sleep(5),
case catch open_port(Name, Settings) of
P when is_port(P) ->
[P| open_ports(Name, Settings)];
diff --git a/erts/etc/unix/cerl.src b/erts/etc/unix/cerl.src
index f99059cb72..691b32e143 100644
--- a/erts/etc/unix/cerl.src
+++ b/erts/etc/unix/cerl.src
@@ -31,6 +31,8 @@
# -debug Run debug compiled emulator
# -gdb Run the debug compiled emulator in emacs and gdb.
# You have to start beam in gdb using "run".
+# -rgdb Run the debug compiled emulator in gdb.
+# You have to start beam in gdb using "run".
# -break F Run the debug compiled emulator in emacs and gdb and set break.
# The session is started, i.e. "run" is already don for you.
# -xxgdb FIXME currently disabled
@@ -178,6 +180,10 @@ while [ $# -gt 0 ]; do
;;
"-gdb")
shift
+ GDB=egdb
+ ;;
+ "-rgdb")
+ shift
GDB=gdb
;;
"-break")
@@ -188,6 +194,12 @@ while [ $# -gt 0 ]; do
;;
"-core")
shift
+ GDB=egdb
+ core="$1"
+ shift
+ ;;
+ "-rcore")
+ shift
GDB=gdb
core="$1"
shift
@@ -285,6 +297,27 @@ if [ "x$GDB" = "x" ]; then
else
exec $EXEC $eeargs $xargs ${1+"$@"}
fi
+elif [ "x$GDB" = "xgdb" ]; then
+ case "x$core" in
+ x)
+ # Get emu args to use from erlexec...
+ beam_args=`$EXEC -emu_args_exit ${1+"$@"}`
+ gdbcmd="--args $EMU_NAME $beam_args"
+ ;;
+ x/*)
+ gdbcmd="$EMU_NAME ${core}"
+ GDBBP=
+ ;;
+ *)
+ dir=`pwd`
+ gdbcmd="$EMU_NAME ${dir}/${core}"
+ GDBBP=
+ ;;
+ esac
+ cmdfile="/tmp/.cerlgdb.$$"
+ echo "source $ROOTDIR/erts/etc/unix/etp-commands" > $cmdfile
+ # Fire up gdb in emacs...
+ exec gdb $GDBBP -x $cmdfile $gdbcmd
else
if [ "x$EMACS" = "x" ]; then
EMACS=emacs
diff --git a/erts/preloaded/ebin/prim_eval.beam b/erts/preloaded/ebin/prim_eval.beam
new file mode 100644
index 0000000000..6c7b7e5262
--- /dev/null
+++ b/erts/preloaded/ebin/prim_eval.beam
Binary files differ
diff --git a/erts/preloaded/src/.gitignore b/erts/preloaded/src/.gitignore
new file mode 100644
index 0000000000..e4658fe142
--- /dev/null
+++ b/erts/preloaded/src/.gitignore
@@ -0,0 +1 @@
+prim_eval.abstr
diff --git a/erts/preloaded/src/Makefile b/erts/preloaded/src/Makefile
index a224b6a5d4..f53809e765 100644
--- a/erts/preloaded/src/Makefile
+++ b/erts/preloaded/src/Makefile
@@ -32,7 +32,7 @@ STATIC_EBIN=../ebin
include $(ERL_TOP)/erts/vsn.mk
include $(ERL_TOP)/lib/kernel/vsn.mk
-PRE_LOADED_MODULES = \
+PRE_LOADED_ERL_MODULES = \
erl_prim_loader \
init \
prim_file \
@@ -43,10 +43,17 @@ PRE_LOADED_MODULES = \
erlang \
erts_internal
+PRE_LOADED_BEAM_MODULES = \
+ prim_eval
+
+PRE_LOADED_MODULES = $(PRE_LOADED_ERL_MODULES) $(PRE_LOADED_BEAM_MODULES)
+
RELSYSDIR = $(RELEASE_PATH)/lib/erts-$(VSN)
# not $(RELEASE_PATH)/erts-$(VSN)/preloaded
-ERL_FILES= $(PRE_LOADED_MODULES:%=%.erl)
+ERL_FILES= $(PRE_LOADED_ERL_MODULES:%=%.erl)
+BEAM_FILES= $(PRE_LOADED_BEAM_MODULES:%=%.S)
+STUBS_FILES= $(PRE_LOADED_BEAM_MODULES:%=%.erl)
TARGET_FILES = $(PRE_LOADED_MODULES:%=$(EBIN)/%.$(EMULATOR))
STATIC_TARGET_FILES = $(PRE_LOADED_MODULES:%=$(STATIC_EBIN)/%.$(EMULATOR))
@@ -70,7 +77,7 @@ include $(ERL_TOP)/make/otp_release_targets.mk
release_spec:
$(INSTALL_DIR) "$(RELSYSDIR)/src"
- $(INSTALL_DATA) $(ERL_FILES) "$(RELSYSDIR)/src"
+ $(INSTALL_DATA) $(ERL_FILES) $(BEAM_FILES) $(STUBS_FILES) "$(RELSYSDIR)/src"
$(INSTALL_DIR) "$(RELSYSDIR)/ebin"
$(INSTALL_DATA) $(STATIC_TARGET_FILES) "$(RELSYSDIR)/ebin"
@@ -80,6 +87,19 @@ release_docs_spec:
list_preloaded:
@echo $(PRE_LOADED_MODULES)
+#
+# Combine a BEAM assembly script file a stub Erlang file into a BEAM file.
+# See add_abstract_chunk script.
+#
+
+prim_eval.abstr: prim_eval.erl
+ $(V_ERLC) $(ERL_COMPILE_FLAGS) -o$(dir $@) +dabstr $<
+
+prim_eval.beam: prim_eval.S prim_eval.abstr
+ $(gen_verbose)
+ $(V_at)$(ERLC) $(ERL_COMPILE_FLAGS) $<
+ $(V_at)escript add_abstract_code $@ prim_eval.abstr || (rm $@; exit 1)
+
# Include dependencies -- list below added by PaN
$(EBIN)/erl_prim_loader.beam: $(KERNEL_SRC)/inet_boot.hrl $(KERNEL_INCLUDE)/file.hrl
$(EBIN)/prim_file.beam: $(KERNEL_INCLUDE)/file.hrl
diff --git a/erts/preloaded/src/add_abstract_code b/erts/preloaded/src/add_abstract_code
new file mode 100644
index 0000000000..e670156d21
--- /dev/null
+++ b/erts/preloaded/src/add_abstract_code
@@ -0,0 +1,34 @@
+#!/usr/bin/env escript
+%% -*- erlang -*-
+
+%%
+%% %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%
+%%
+
+-mode(compile).
+
+-export([main/1]).
+
+main([BeamFile,AbstrFile]) ->
+ {ok,_,Chunks0} = beam_lib:all_chunks(BeamFile),
+ {ok,Abstr} = file:consult(AbstrFile),
+ Chunks = lists:keyreplace("Abst", 1, Chunks0,
+ {"Abst",term_to_binary({raw_abstract_v1,Abstr})}),
+ {ok,Module} = beam_lib:build_module(Chunks),
+ ok = file:write_file(BeamFile, Module),
+ init:stop().
diff --git a/erts/preloaded/src/prim_eval.S b/erts/preloaded/src/prim_eval.S
new file mode 100644
index 0000000000..958a79a1da
--- /dev/null
+++ b/erts/preloaded/src/prim_eval.S
@@ -0,0 +1,70 @@
+%%
+%% %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%
+%%
+{module, prim_eval}.
+
+%% This module uses low-level BEAM instructions for the message queue facility
+%% to allow erl_eval to evaluate receive expressions correctly.
+
+{exports, [{'receive',2},{module_info,0},{module_info,1}]}.
+
+{attributes, []}.
+
+{labels, 10}.
+
+
+{function, 'receive', 2, 2}.
+ {label,1}.
+ {func_info,{atom,prim_eval},{atom,'receive'},2}.
+ {label,2}.
+ {allocate,2,2}.
+ {move,{x,1},{y,0}}.
+ {move,{x,0},{y,1}}.
+ {label,3}.
+ {loop_rec,{f,5},{x,0}}.
+ {move,{y,1},{x,1}}.
+ {call_fun,1}.
+ {test,is_ne_exact,{f,4},[{x,0},{atom,nomatch}]}.
+ remove_message.
+ {deallocate,2}.
+ return.
+ {label,4}.
+ {loop_rec_end,{f,3}}.
+ {label,5}.
+ {wait_timeout,{f,3},{y,0}}.
+ timeout.
+ {move,{atom,timeout},{x,0}}.
+ {deallocate,2}.
+ return.
+
+
+{function, module_info, 0, 8}.
+ {label,6}.
+ {func_info,{atom,prim_eval},{atom,module_info},0}.
+ {label,7}.
+ {move,{atom,prim_eval},{x,0}}.
+ {call_ext_only,1,{extfunc,erlang,get_module_info,1}}.
+
+
+{function, module_info, 1, 10}.
+ {label,8}.
+ {func_info,{atom,prim_eval},{atom,module_info},1}.
+ {label,9}.
+ {move,{x,0},{x,1}}.
+ {move,{atom,prim_eval},{x,0}}.
+ {call_ext_only,2,{extfunc,erlang,get_module_info,2}}.
diff --git a/erts/preloaded/src/prim_eval.erl b/erts/preloaded/src/prim_eval.erl
new file mode 100644
index 0000000000..ec5af8c138
--- /dev/null
+++ b/erts/preloaded/src/prim_eval.erl
@@ -0,0 +1,28 @@
+%%
+%% %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%
+%%
+-module(prim_eval).
+
+%% This module is simply a stub which abstract code gets included in the result
+%% of compilation of prim_eval.S, to keep Dialyzer happy.
+
+-export(['receive'/2]).
+
+-spec 'receive'(fun((term()) -> nomatch | T), timeout()) -> T.
+'receive'(_, _) ->
+ erlang:nif_error(stub).
diff --git a/erts/test/z_SUITE.erl b/erts/test/z_SUITE.erl
index 78968ed405..9abc73c081 100644
--- a/erts/test/z_SUITE.erl
+++ b/erts/test/z_SUITE.erl
@@ -190,8 +190,13 @@ file_inspect(#core_search_conf{file = File}, Core) ->
probably_a_core
end.
-mk_readable(F) ->
- catch file:write_file_info(F, #file_info{mode = 8#00444}).
+mk_readable(F) ->
+ try
+ {ok, Old} = file:read_file_info(F),
+ file:write_file_info(F, Old#file_info{mode = 8#00444})
+ catch
+ _:_ -> io:format("Failed to \"chmod\" core file ~p\n", [F])
+ end.
ignore_core(C) ->
filelib:is_regular(filename:join([filename:dirname(C),
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-07 06:51:55 +0000