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-rw-r--r--erts/doc/src/erlang.xml3
-rw-r--r--erts/emulator/beam/erl_bif_info.c26
-rw-r--r--erts/emulator/beam/erl_port_task.c37
-rw-r--r--erts/emulator/beam/erl_time_sup.c50
-rw-r--r--erts/emulator/beam/erl_utils.h1
-rw-r--r--erts/emulator/beam/io.c62
-rw-r--r--erts/emulator/beam/sys.h8
-rw-r--r--erts/emulator/drivers/common/inet_drv.c6
-rw-r--r--erts/emulator/test/port_SUITE.erl40
-rw-r--r--erts/emulator/test/port_SUITE_data/echo_drv.c31
-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl44
-rw-r--r--lib/stdlib/src/proc_lib.erl6
-rw-r--r--lib/stdlib/src/string.erl10
-rw-r--r--lib/stdlib/test/proc_lib_SUITE.erl41
14 files changed, 258 insertions, 107 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 687ff38cbf..105734d5b2 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -6483,6 +6483,9 @@ lists:map(
<p>This is the sum of the runtime for all threads
in the Erlang runtime system and can therefore be greater
than the wall clock time.</p>
+ <warning><p>This value might wrap due to limitations in the
+ underlying functionality provided by the operating system
+ that is used.</p></warning>
<p>Example:</p>
<pre>
> <input>statistics(runtime).</input>
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index e2773475b0..96f9b284b3 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -3544,24 +3544,32 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1)
res = TUPLE2(hp, b1, b2);
BIF_RET(res);
} else if (BIF_ARG_1 == am_runtime) {
- UWord u1, u2, dummy;
+ ErtsMonotonicTime u1, u2;
Eterm b1, b2;
- elapsed_time_both(&u1,&dummy,&u2,&dummy);
- b1 = erts_make_integer(u1,BIF_P);
- b2 = erts_make_integer(u2,BIF_P);
- hp = HAlloc(BIF_P,3);
+ Uint hsz;
+ elapsed_time_both(&u1, NULL, &u2, NULL);
+ hsz = 3; /* 2-tuple */
+ (void) erts_bld_monotonic_time(NULL, &hsz, u1);
+ (void) erts_bld_monotonic_time(NULL, &hsz, u2);
+ hp = HAlloc(BIF_P, hsz);
+ b1 = erts_bld_monotonic_time(&hp, NULL, u1);
+ b2 = erts_bld_monotonic_time(&hp, NULL, u2);
res = TUPLE2(hp, b1, b2);
BIF_RET(res);
} else if (BIF_ARG_1 == am_run_queue) {
res = erts_run_queues_len(NULL, 1, 0, 0);
BIF_RET(make_small(res));
} else if (BIF_ARG_1 == am_wall_clock) {
- UWord w1, w2;
+ ErtsMonotonicTime w1, w2;
Eterm b1, b2;
+ Uint hsz;
wall_clock_elapsed_time_both(&w1, &w2);
- b1 = erts_make_integer((Uint) w1,BIF_P);
- b2 = erts_make_integer((Uint) w2,BIF_P);
- hp = HAlloc(BIF_P,3);
+ hsz = 3; /* 2-tuple */
+ (void) erts_bld_monotonic_time(NULL, &hsz, w1);
+ (void) erts_bld_monotonic_time(NULL, &hsz, w2);
+ hp = HAlloc(BIF_P, hsz);
+ b1 = erts_bld_monotonic_time(&hp, NULL, w1);
+ b2 = erts_bld_monotonic_time(&hp, NULL, w2);
res = TUPLE2(hp, b1, b2);
BIF_RET(res);
} else if (BIF_ARG_1 == am_io) {
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index a044de3fee..1ab1e47254 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -852,10 +852,11 @@ schedule_port_task_handle_list_free(ErtsPortTaskHandleList *pthlp)
}
static ERTS_INLINE void
-abort_nosuspend_task(Port *pp,
- ErtsPortTaskType type,
- ErtsPortTaskTypeData *tdp,
- int bpq_data)
+abort_signal_task(Port *pp,
+ int abort_type,
+ ErtsPortTaskType type,
+ ErtsPortTaskTypeData *tdp,
+ int bpq_data)
{
ASSERT(type == ERTS_PORT_TASK_PROC_SIG);
@@ -863,18 +864,28 @@ abort_nosuspend_task(Port *pp,
if (!bpq_data)
tdp->psig.callback(NULL,
ERTS_PORT_SFLG_INVALID,
- ERTS_PROC2PORT_SIG_ABORT_NOSUSPEND,
+ abort_type,
&tdp->psig.data);
else {
ErlDrvSizeT size = erts_proc2port_sig_command_data_size(&tdp->psig.data);
tdp->psig.callback(NULL,
ERTS_PORT_SFLG_INVALID,
- ERTS_PROC2PORT_SIG_ABORT_NOSUSPEND,
+ abort_type,
&tdp->psig.data);
aborted_proc2port_data(pp, size);
}
}
+
+static ERTS_INLINE void
+abort_nosuspend_task(Port *pp,
+ ErtsPortTaskType type,
+ ErtsPortTaskTypeData *tdp,
+ int bpq_data)
+{
+ abort_signal_task(pp, ERTS_PROC2PORT_SIG_ABORT_NOSUSPEND, type, tdp, bpq_data);
+}
+
static ErtsPortTaskHandleList *
get_free_nosuspend_handles(Port *pp)
{
@@ -1613,8 +1624,9 @@ abort_nosuspend:
ASSERT(ns_pthlp);
erts_free(ERTS_ALC_T_PT_HNDL_LIST, ns_pthlp);
- if (ptp)
- port_task_free(ptp);
+
+ ASSERT(ptp);
+ port_task_free(ptp);
return 0;
@@ -1625,12 +1637,15 @@ fail:
erts_port_dec_refc(pp);
#endif
+ if (ptp) {
+ abort_signal_task(pp, ERTS_PROC2PORT_SIG_ABORT,
+ ptp->type, &ptp->u.alive.td, 0);
+ port_task_free(ptp);
+ }
+
if (ns_pthlp)
erts_free(ERTS_ALC_T_PT_HNDL_LIST, ns_pthlp);
- if (ptp)
- port_task_free(ptp);
-
return -1;
}
diff --git a/erts/emulator/beam/erl_time_sup.c b/erts/emulator/beam/erl_time_sup.c
index 3084a8db75..0421adb409 100644
--- a/erts/emulator/beam/erl_time_sup.c
+++ b/erts/emulator/beam/erl_time_sup.c
@@ -1286,56 +1286,62 @@ erts_finalize_time_offset(void)
/* info functions */
void
-elapsed_time_both(UWord *ms_user, UWord *ms_sys,
- UWord *ms_user_diff, UWord *ms_sys_diff)
+elapsed_time_both(ErtsMonotonicTime *ms_user, ErtsMonotonicTime *ms_sys,
+ ErtsMonotonicTime *ms_user_diff, ErtsMonotonicTime *ms_sys_diff)
{
- UWord prev_total_user, prev_total_sys;
- UWord total_user, total_sys;
+ ErtsMonotonicTime prev_total_user, prev_total_sys;
+ ErtsMonotonicTime total_user, total_sys;
SysTimes now;
sys_times(&now);
- total_user = (now.tms_utime * 1000) / SYS_CLK_TCK;
- total_sys = (now.tms_stime * 1000) / SYS_CLK_TCK;
+ total_user = (ErtsMonotonicTime) ((now.tms_utime * 1000) / SYS_CLK_TCK);
+ total_sys = (ErtsMonotonicTime) ((now.tms_stime * 1000) / SYS_CLK_TCK);
if (ms_user != NULL)
*ms_user = total_user;
if (ms_sys != NULL)
*ms_sys = total_sys;
- erts_smp_mtx_lock(&erts_timeofday_mtx);
+ if (ms_user_diff || ms_sys_diff) {
+ erts_smp_mtx_lock(&erts_timeofday_mtx);
- prev_total_user = (t_start.tms_utime * 1000) / SYS_CLK_TCK;
- prev_total_sys = (t_start.tms_stime * 1000) / SYS_CLK_TCK;
- t_start = now;
+ prev_total_user = (ErtsMonotonicTime) ((t_start.tms_utime * 1000) / SYS_CLK_TCK);
+ prev_total_sys = (ErtsMonotonicTime) ((t_start.tms_stime * 1000) / SYS_CLK_TCK);
+ t_start = now;
- erts_smp_mtx_unlock(&erts_timeofday_mtx);
+ erts_smp_mtx_unlock(&erts_timeofday_mtx);
- if (ms_user_diff != NULL)
- *ms_user_diff = total_user - prev_total_user;
+ if (ms_user_diff != NULL)
+ *ms_user_diff = total_user - prev_total_user;
- if (ms_sys_diff != NULL)
- *ms_sys_diff = total_sys - prev_total_sys;
+ if (ms_sys_diff != NULL)
+ *ms_sys_diff = total_sys - prev_total_sys;
+ }
}
/* wall clock routines */
void
-wall_clock_elapsed_time_both(UWord *ms_total, UWord *ms_diff)
+wall_clock_elapsed_time_both(ErtsMonotonicTime *ms_total, ErtsMonotonicTime *ms_diff)
{
ErtsMonotonicTime now, elapsed;
- erts_smp_mtx_lock(&erts_timeofday_mtx);
-
now = time_sup.r.o.get_time();
update_last_mtime(NULL, now);
elapsed = ERTS_MONOTONIC_TO_MSEC(now);
- *ms_total = (UWord) elapsed;
- *ms_diff = (UWord) (elapsed - prev_wall_clock_elapsed);
- prev_wall_clock_elapsed = elapsed;
- erts_smp_mtx_unlock(&erts_timeofday_mtx);
+ *ms_total = elapsed;
+
+ if (ms_diff) {
+ erts_smp_mtx_lock(&erts_timeofday_mtx);
+
+ *ms_diff = elapsed - prev_wall_clock_elapsed;
+ prev_wall_clock_elapsed = elapsed;
+
+ erts_smp_mtx_unlock(&erts_timeofday_mtx);
+ }
}
/* get current time */
diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h
index 07cf4f6903..3d28b05752 100644
--- a/erts/emulator/beam/erl_utils.h
+++ b/erts/emulator/beam/erl_utils.h
@@ -131,6 +131,7 @@ Eterm erts_bld_uint(Uint **hpp, Uint *szp, Uint ui);
Eterm erts_bld_uword(Uint **hpp, Uint *szp, UWord uw);
Eterm erts_bld_uint64(Uint **hpp, Uint *szp, Uint64 ui64);
Eterm erts_bld_sint64(Uint **hpp, Uint *szp, Sint64 si64);
+#define erts_bld_monotonic_time erts_bld_sint64
Eterm erts_bld_cons(Uint **hpp, Uint *szp, Eterm car, Eterm cdr);
Eterm erts_bld_tuple(Uint **hpp, Uint *szp, Uint arity, ...);
#define erts_bld_tuple2(H,S,E1,E2) erts_bld_tuple(H,S,2,E1,E2)
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index d25e53ada0..75545df80a 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -1968,7 +1968,6 @@ int
erts_port_output_async(Port *prt, Eterm from, Eterm list)
{
- ErtsPortOpResult res;
ErtsProc2PortSigData *sigdp;
erts_driver_t *drv = prt->drv_ptr;
size_t size;
@@ -2102,26 +2101,18 @@ erts_port_output_async(Port *prt, Eterm from, Eterm list)
sigdp->u.output.size = size;
port_sig_callback = port_sig_output;
}
- sigdp->flags = 0;
ns_pthp = NULL;
task_flags = 0;
- res = erts_schedule_proc2port_signal(NULL,
- prt,
- ERTS_INVALID_PID,
- NULL,
- sigdp,
- task_flags,
- ns_pthp,
- port_sig_callback);
+ erts_schedule_proc2port_signal(NULL,
+ prt,
+ ERTS_INVALID_PID,
+ NULL,
+ sigdp,
+ task_flags,
+ ns_pthp,
+ port_sig_callback);
- if (res != ERTS_PORT_OP_SCHEDULED) {
- if (drv->outputv)
- cleanup_scheduled_outputv(evp, cbin);
- else
- cleanup_scheduled_output(buf);
- return 1;
- }
return 1;
bad_value:
@@ -2554,10 +2545,6 @@ erts_port_output(Process *c_p,
port_sig_callback);
if (res != ERTS_PORT_OP_SCHEDULED) {
- if (drv->outputv)
- cleanup_scheduled_outputv(evp, cbin);
- else
- cleanup_scheduled_output(buf);
return res;
}
@@ -2736,21 +2723,14 @@ erts_port_exit(Process *c_p,
&bp->off_heap);
}
- res = erts_schedule_proc2port_signal(c_p,
- prt,
- c_p ? c_p->common.id : from,
- refp,
- sigdp,
- 0,
- NULL,
- port_sig_exit);
-
- if (res == ERTS_PORT_OP_DROPPED) {
- if (bp)
- free_message_buffer(bp);
- }
-
- return res;
+ return erts_schedule_proc2port_signal(c_p,
+ prt,
+ c_p ? c_p->common.id : from,
+ refp,
+ sigdp,
+ 0,
+ NULL,
+ port_sig_exit);
}
static ErtsPortOpResult
@@ -4930,10 +4910,9 @@ erts_port_control(Process* c_p,
0,
NULL,
port_sig_control);
- if (res != ERTS_PORT_OP_SCHEDULED) {
- cleanup_scheduled_control(binp, bufp);
+ if (res != ERTS_PORT_OP_SCHEDULED)
return ERTS_PORT_OP_BADARG;
- }
+
return res;
}
@@ -5223,10 +5202,9 @@ erts_port_call(Process* c_p,
0,
NULL,
port_sig_call);
- if (res != ERTS_PORT_OP_SCHEDULED) {
- cleanup_scheduled_call(bufp);
+ if (res != ERTS_PORT_OP_SCHEDULED)
return ERTS_PORT_OP_BADARG;
- }
+
return res;
}
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index d752ea4330..b6c77794d2 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -784,10 +784,10 @@ Preload* sys_preloaded(void);
unsigned char* sys_preload_begin(Preload*);
void sys_preload_end(Preload*);
int sys_get_key(int);
-void elapsed_time_both(UWord *ms_user, UWord *ms_sys,
- UWord *ms_user_diff, UWord *ms_sys_diff);
-void wall_clock_elapsed_time_both(UWord *ms_total,
- UWord *ms_diff);
+void elapsed_time_both(ErtsMonotonicTime *ms_user, ErtsMonotonicTime *ms_sys,
+ ErtsMonotonicTime *ms_user_diff, ErtsMonotonicTime *ms_sys_diff);
+void wall_clock_elapsed_time_both(ErtsMonotonicTime *ms_total,
+ ErtsMonotonicTime *ms_diff);
void get_time(int *hour, int *minute, int *second);
void get_date(int *year, int *month, int *day);
void get_localtime(int *year, int *month, int *day,
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 13ee935e45..fe421bfe12 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -4334,6 +4334,12 @@ static void desc_close(inet_descriptor* desc)
desc->event = INVALID_EVENT; /* closed by stop_select callback */
desc->s = INVALID_SOCKET;
desc->event_mask = 0;
+
+ /* mark as disconnected in case when socket is left lingering due to
+ * {exit_on_close, false} option in gen_tcp socket creation. Next
+ * write to socket should produce {error, enotconn} and send a
+ * message {tcp_error,#Port<>,econnreset} */
+ desc->state &= ~INET_STATE_CONNECTED;
}
}
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index f512fa3a57..ab0b1a82bd 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -86,6 +86,7 @@
cd_relative/1,
close_deaf_port/1,
count_fds/1,
+ dropped_commands/1,
dying_port/1,
env/1,
eof/1,
@@ -548,6 +549,45 @@ make_dying_port(Config) when is_list(Config) ->
Command = lists:concat([PortTest, " -h0 -d -q"]),
open_port({spawn, Command}, [stream]).
+%% Test that dropped port_commands work correctly.
+%% This used to cause a segfault.
+%%
+%% This testcase creates a port and then lets many processes
+%% do parallel commands to it. After a while it closes the
+%% port and we are trying to catch the race when doing a
+%% command while the port is closing.
+dropped_commands(Config) ->
+ %% Test with output callback
+ dropped_commands(Config, false, {self(), {command, "1"}}),
+ %% Test with outputv callback
+ dropped_commands(Config, true, {self(), {command, "1"}}).
+
+dropped_commands(Config, Outputv, Cmd) ->
+ Path = proplists:get_value(data_dir, Config),
+ os:putenv("ECHO_DRV_USE_OUTPUTV", atom_to_list(Outputv)),
+ ok = load_driver(Path, "echo_drv"),
+ [dropped_commands_test(Cmd) || _ <- lists:seq(1, 100)],
+ timer:sleep(100),
+ erl_ddll:unload_driver("echo_drv"),
+ ok.
+
+dropped_commands_test(Cmd) ->
+ Port = erlang:open_port({spawn_driver, "echo_drv"}, [{parallelism, true}]),
+ spawn_monitor(
+ fun() ->
+ [spawn_link(fun() -> spin(Port, Cmd) end) || _ <- lists:seq(1,8)],
+ timer:sleep(5),
+ port_close(Port),
+ timer:sleep(5),
+ exit(nok)
+ end),
+ receive _M -> timer:sleep(5) end.
+
+spin(P, Cmd) ->
+ P ! Cmd,
+ spin(P, Cmd).
+
+
%% Tests that port program with complete path (but without any
%% .exe extension) can be started, even if there is a file with
%% the same name but without the extension in the same directory.
diff --git a/erts/emulator/test/port_SUITE_data/echo_drv.c b/erts/emulator/test/port_SUITE_data/echo_drv.c
index 1d39c6a00c..b4370f6455 100644
--- a/erts/emulator/test/port_SUITE_data/echo_drv.c
+++ b/erts/emulator/test/port_SUITE_data/echo_drv.c
@@ -18,8 +18,11 @@ typedef struct _erl_drv_data EchoDrvData;
static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command);
static void echo_drv_stop(EchoDrvData *data_p);
-static void echo_drv_output(ErlDrvData drv_data, char *buf,
- ErlDrvSizeT len);
+static void echo_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len);
+static ErlDrvSSizeT echo_control(ErlDrvData drv_data,
+ unsigned int command, char *buf,
+ ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen);
+static void echo_outputv(ErlDrvData drv_data, ErlIOVec *ev);
static void echo_drv_finish(void);
static ErlDrvEntry echo_drv_entry = {
@@ -32,9 +35,9 @@ static ErlDrvEntry echo_drv_entry = {
"echo_drv",
echo_drv_finish,
NULL, /* handle */
- NULL, /* control */
+ echo_control, /* control */
NULL, /* timeout */
- NULL, /* outputv */
+ echo_outputv, /* outputv */
NULL, /* ready_async */
NULL,
NULL,
@@ -56,6 +59,14 @@ static ErlDrvEntry echo_drv_entry = {
DRIVER_INIT(echo_drv)
{
+ char buf[10];
+ size_t bufsz = sizeof(buf);
+ char *use_outputv;
+ use_outputv = (erl_drv_getenv("ECHO_DRV_USE_OUTPUTV", buf, &bufsz) == 0
+ ? buf
+ : "false");
+ if (strcmp(use_outputv, "true") != 0)
+ echo_drv_entry.outputv = NULL;
return &echo_drv_entry;
}
@@ -87,3 +98,15 @@ static void echo_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len) {
static void echo_drv_finish() {
}
+
+static ErlDrvSSizeT echo_control(ErlDrvData drv_data,
+ unsigned int command, char *buf,
+ ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen)
+{
+ return 0;
+}
+
+static void echo_outputv(ErlDrvData drv_data, ErlIOVec *ev)
+{
+ return;
+}
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index 929f66d400..331864b5de 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -50,9 +50,8 @@
killing_acceptor/1,killing_multi_acceptors/1,killing_multi_acceptors2/1,
several_accepts_in_one_go/1, accept_system_limit/1,
active_once_closed/1, send_timeout/1, send_timeout_active/1,
- otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1,
- wrapping_oct/0, wrapping_oct/1,
- otp_9389/1]).
+ otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1,
+ wrapping_oct/0, wrapping_oct/1, otp_9389/1, otp_13939/1]).
%% Internal exports.
-export([sender/3, not_owner/1, passive_sockets_server/2, priority_server/1,
@@ -3014,3 +3013,42 @@ ok({ok,V}) -> V.
get_hostname(Name) ->
"@"++Host = lists:dropwhile(fun(C) -> C =/= $@ end, atom_to_list(Name)),
Host.
+
+otp_13939(doc) ->
+ ["Check that writing to a remotely closed socket doesn't block forever "
+ "when exit_on_close is false."];
+otp_13939(suite) ->
+ [];
+otp_13939(Config) when is_list(Config) ->
+ {Pid, Ref} = spawn_opt(
+ fun() ->
+ {ok, Listener} = gen_tcp:listen(0, [{exit_on_close, false}]),
+ {ok, Port} = inet:port(Listener),
+
+ spawn_link(
+ fun() ->
+ {ok, Client} = gen_tcp:connect("localhost", Port,
+ [{active, false}]),
+ ok = gen_tcp:close(Client)
+ end),
+
+ {ok, Accepted} = gen_tcp:accept(Listener),
+
+ ok = gen_tcp:send(Accepted, <<0:(10*1024*1024*8)>>),
+
+ %% The bug surfaces when there's a delay between the send
+ %% operations; inet:getstat is a red herring.
+ timer:sleep(100),
+
+ {error, Code} = gen_tcp:send(Accepted, <<0:(10*1024*1024*8)>>),
+ ct:pal("gen_tcp:send returned ~p~n", [Code])
+ end, [link, monitor]),
+
+ receive
+ {'DOWN', Ref, process, Pid, normal} ->
+ ok
+ after 1000 ->
+ demonitor(Ref, [flush]),
+ exit(Pid, normal),
+ ct:fail("Server process blocked on send.")
+ end.
diff --git a/lib/stdlib/src/proc_lib.erl b/lib/stdlib/src/proc_lib.erl
index 9ce8e7d60e..d4d1bdccec 100644
--- a/lib/stdlib/src/proc_lib.erl
+++ b/lib/stdlib/src/proc_lib.erl
@@ -779,11 +779,13 @@ format_link_report([Link|Reps], Indent, Extra) ->
LinkIndent = [" ",Indent],
[Indent,"neighbour:\n",format_report(Rep, LinkIndent, Extra)|
format_link_report(Reps, Indent, Extra)];
-format_link_report([], _, _) ->
- [].
+format_link_report(Rep, Indent, Extra) ->
+ format_report(Rep, Indent, Extra).
format_report(Rep, Indent, Extra) when is_list(Rep) ->
format_rep(Rep, Indent, Extra);
+format_report(Rep, Indent, {Enc,unlimited}) ->
+ io_lib:format("~s~"++modifier(Enc)++"p~n", [Indent, Rep]);
format_report(Rep, Indent, {Enc,Depth}) ->
io_lib:format("~s~"++modifier(Enc)++"P~n", [Indent, Rep, Depth]).
diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl
index 6f7009b5d9..4972da297d 100644
--- a/lib/stdlib/src/string.erl
+++ b/lib/stdlib/src/string.erl
@@ -384,7 +384,7 @@ to_float(String) ->
end.
to_number(String, Number, Rest, List, _Tail) when is_binary(String) ->
- BSz = length(List)-length(Rest),
+ BSz = erlang:length(List)-erlang:length(Rest),
<<_:BSz/binary, Cont/binary>> = String,
{Number, Cont};
to_number(_, Number, Rest, _, Tail) ->
@@ -1344,7 +1344,7 @@ bin_search_str(Bin0, Start, Cont, [CP|_]=SearchCPs) ->
String :: string(),
Length :: non_neg_integer().
-len(S) -> length(S).
+len(S) -> erlang:length(S).
%% equal(String1, String2)
%% Test if 2 strings are equal.
@@ -1689,7 +1689,7 @@ left(String, Len) when is_integer(Len) -> left(String, Len, $\s).
Character :: char().
left(String, Len, Char) when is_integer(Char) ->
- Slen = length(String),
+ Slen = erlang:length(String),
if
Slen > Len -> substr(String, 1, Len);
Slen < Len -> l_pad(String, Len-Slen, Char);
@@ -1714,7 +1714,7 @@ right(String, Len) when is_integer(Len) -> right(String, Len, $\s).
Character :: char().
right(String, Len, Char) when is_integer(Char) ->
- Slen = length(String),
+ Slen = erlang:length(String),
if
Slen > Len -> substr(String, Slen-Len+1);
Slen < Len -> r_pad(String, Len-Slen, Char);
@@ -1741,7 +1741,7 @@ centre(String, Len) when is_integer(Len) -> centre(String, Len, $\s).
centre(String, 0, Char) when is_list(String), is_integer(Char) ->
[]; % Strange cases to centre string
centre(String, Len, Char) when is_integer(Char) ->
- Slen = length(String),
+ Slen = erlang:length(String),
if
Slen > Len -> substr(String, (Slen-Len) div 2 + 1, Len);
Slen < Len ->
diff --git a/lib/stdlib/test/proc_lib_SUITE.erl b/lib/stdlib/test/proc_lib_SUITE.erl
index 029e6286e4..c4fafe82a4 100644
--- a/lib/stdlib/test/proc_lib_SUITE.erl
+++ b/lib/stdlib/test/proc_lib_SUITE.erl
@@ -28,7 +28,7 @@
init_per_group/2,end_per_group/2,
crash/1, stacktrace/1, sync_start_nolink/1, sync_start_link/1,
spawn_opt/1, sp1/0, sp2/0, sp3/1, sp4/2, sp5/1, '\x{447}'/0,
- hibernate/1, stop/1, t_format/1]).
+ hibernate/1, stop/1, t_format/1, t_format_arbitrary/1]).
-export([ otp_6345/1, init_dont_hang/1]).
-export([hib_loop/1, awaken/1]).
@@ -51,7 +51,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[crash, stacktrace, {group, sync_start}, spawn_opt, hibernate,
- {group, tickets}, stop, t_format].
+ {group, tickets}, stop, t_format, t_format_arbitrary].
groups() ->
[{tickets, [], [otp_6345, init_dont_hang]},
@@ -78,6 +78,14 @@ end_per_group(_GroupName, Config) ->
%% synchronous, and we want to test that the crash report is ok.
%%-----------------------------------------------------------------
crash(Config) when is_list(Config) ->
+ ok = application:unset_env(kernel, error_logger_format_depth),
+ crash_1(Config),
+ ok = application:set_env(kernel, error_logger_format_depth, 30),
+ crash_1(Config),
+ ok = application:unset_env(kernel, error_logger_format_depth),
+ ok.
+
+crash_1(_Config) ->
error_logger:add_report_handler(?MODULE, self()),
%% Make sure that we don't get a crash report if a process
@@ -562,9 +570,32 @@ t_format() ->
ok.
+t_format_arbitrary(_Config) ->
+ error_logger:tty(false),
+ try
+ t_format_arbitrary()
+ after
+ error_logger:tty(true)
+ end,
+ ok.
+
+t_format_arbitrary() ->
+ A = list_to_atom([1024]),
+ do_test_format([fake_report, A], unlimited),
+ do_test_format([fake_report, A], 20),
+
+ do_test_format([fake_report, foo], unlimited),
+ do_test_format([fake_report, foo], 20),
+ do_test_format([fake_report, []], unlimited),
+ do_test_format([fake_report, []], 20).
+
do_test_format(Report, Depth) ->
- io:format("*** Depth = ~p", [Depth]),
- S0 = proc_lib:format(Report, latin1, Depth),
+ do_test_format(Report, latin1, Depth),
+ do_test_format(Report, unicode, Depth).
+
+do_test_format(Report, Encoding, Depth) ->
+ io:format("*** Depth = ~p, Encoding = ~p", [Depth, Encoding]),
+ S0 = proc_lib:format(Report, Encoding, Depth),
S = lists:flatten(S0),
io:put_chars(S),
length(S).
@@ -584,7 +615,7 @@ init(Tester) ->
{ok, Tester}.
handle_event({error_report, _GL, {Pid, crash_report, Report}}, Tester) ->
- io:format("~s\n", [proc_lib:format(Report)]),
+ io:format("~ts\n", [proc_lib:format(Report)]),
Tester ! {crash_report, Pid, Report},
{ok, Tester};
handle_event(_Event, State) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 19:36:27 +0000