diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/doc/src/epmd.xml | 11 | ||||
-rw-r--r-- | erts/doc/src/notes.xml | 17 | ||||
-rw-r--r-- | erts/emulator/beam/beam_bif_load.c | 5 | ||||
-rw-r--r-- | erts/emulator/beam/beam_load.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.c | 49 | ||||
-rw-r--r-- | erts/emulator/beam/erl_nif.c | 26 | ||||
-rw-r--r-- | erts/emulator/beam/erl_thr_progress.c | 1 | ||||
-rw-r--r-- | erts/emulator/beam/erl_trace.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/io.c | 26 | ||||
-rw-r--r-- | erts/emulator/sys/unix/erl_child_setup.c | 14 | ||||
-rw-r--r-- | erts/emulator/sys/unix/sys.c | 12 | ||||
-rw-r--r-- | erts/emulator/test/hipe_SUITE.erl | 3 | ||||
-rw-r--r-- | erts/etc/unix/format_man_pages | 2 | ||||
-rw-r--r-- | erts/start_scripts/Makefile | 2 | ||||
-rw-r--r-- | erts/vsn.mk | 2 |
15 files changed, 108 insertions, 68 deletions
diff --git a/erts/doc/src/epmd.xml b/erts/doc/src/epmd.xml index 120ffb6860..311483022d 100644 --- a/erts/doc/src/epmd.xml +++ b/erts/doc/src/epmd.xml @@ -34,24 +34,23 @@ </header> <com>epmd</com> - <comsummary> - <p>Erlang Port Mapper Daemon</p> + <comsummary>Erlang Port Mapper Daemon</comsummary> + + <description> <taglist> <tag><c><![CDATA[epmd [-d|-debug] [DbgExtra...] [-address Addresses] - [-port No] [-daemon] [-relaxed_command_check]]]></c></tag> + [-port No] [-daemon] [-relaxed_command_check]]]></c></tag> <item> <p>Starts the port mapper daemon.</p> </item> <tag><c><![CDATA[epmd [-d|-debug] [-port No] - [-names|-kill|-stop Name]]]></c></tag> + [-names|-kill|-stop Name]]]></c></tag> <item> <p>Communicates with a running port mapper daemon.</p> </item> </taglist> - </comsummary> - <description> <p>This daemon acts as a name server on all hosts involved in distributed Erlang computations. When an Erlang node starts, the node has a name and it obtains an address from the host diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 2a36e5568c..323df38ed3 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -32,6 +32,23 @@ <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 8.0.4</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fixed a VM crash that occured in garbage collection of a + process when it had received maps over the distribution. + This bug was introduced in ERTS version 8.0 (OTP 19.0).</p> + <p> + Own Id: OTP-13889</p> + </item> + </list> + </section> + +</section> + <section><title>Erts 8.0.3</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index ba79068859..dddcfbb77d 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -976,8 +976,13 @@ erts_proc_copy_literal_area(Process *c_p, int *redsp, int fcalls, int gc_allowed } if (any_heap_ref_ptrs(c_p->stop, c_p->hend, literals, lit_bsize)) + goto literal_gc; + *redsp += 1; +#ifdef HIPE + if (nstack_any_heap_ref_ptrs(c_p, literals, lit_bsize)) goto literal_gc; *redsp += 1; +#endif if (any_heap_refs(c_p->heap, c_p->htop, literals, lit_bsize)) goto literal_gc; *redsp += 1; diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index b7e802775d..f63addb309 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -2635,6 +2635,10 @@ load_code(LoaderState* stp) * End of code found. */ case op_int_code_end: + if (function_number != stp->num_functions) { + LoadError2(stp, "too few functions (%u) in module (header said %u)", + function_number, stp->num_functions); + } stp->codev_size = codev_size; stp->ci = ci; stp->function = THE_NON_VALUE; diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 75f8ebefbd..1495d06459 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -535,9 +535,19 @@ young_gen_usage(Process *p) if (p->flags & F_ON_HEAP_MSGQ) { ErtsMessage *mp; - for (mp = p->msg.first; mp; mp = mp->next) + for (mp = p->msg.first; mp; mp = mp->next) { + /* + * We leave not yet decoded distribution messages + * as they are in the queue since it is not + * possible to determine a maximum size until + * actual decoding. However, we use their estimated + * size when calculating need, and by this making + * it more likely that they will fit on the heap + * when actually decoded. + */ if (mp->data.attached) hsz += erts_msg_attached_data_size(mp); + } } aheap = p->abandoned_heap; @@ -2258,37 +2268,22 @@ move_msgq_to_heap(Process *p) if (mp->data.attached) { ErlHeapFragment *bp; - ErtsHeapFactory factory; - - erts_factory_proc_prealloc_init(&factory, p, - erts_msg_attached_data_size(mp)); - - if (is_non_value(ERL_MESSAGE_TERM(mp))) { - if (mp->data.dist_ext) { - ASSERT(mp->data.dist_ext->heap_size >= 0); - if (is_not_nil(ERL_MESSAGE_TOKEN(mp))) { - bp = erts_dist_ext_trailer(mp->data.dist_ext); - ERL_MESSAGE_TOKEN(mp) = copy_struct(ERL_MESSAGE_TOKEN(mp), - bp->used_size, - &factory.hp, - factory.off_heap); - erts_cleanup_offheap(&bp->off_heap); - } - ERL_MESSAGE_TERM(mp) = erts_decode_dist_ext(&factory, - mp->data.dist_ext); - erts_free_dist_ext_copy(mp->data.dist_ext); - mp->data.dist_ext = NULL; - } - } - else { + + /* + * We leave not yet decoded distribution messages + * as they are in the queue since it is not + * possible to determine a maximum size until + * actual decoding... + */ + if (is_value(ERL_MESSAGE_TERM(mp))) { bp = erts_message_to_heap_frag(mp); if (bp->next) - erts_move_multi_frags(&factory.hp, factory.off_heap, bp, + erts_move_multi_frags(&p->htop, &p->off_heap, bp, mp->m, ERL_MESSAGE_REF_ARRAY_SZ, 0); else - copy_one_frag(&factory.hp, factory.off_heap, bp, + copy_one_frag(&p->htop, &p->off_heap, bp, mp->m, ERL_MESSAGE_REF_ARRAY_SZ); if (mp->data.attached != ERTS_MSG_COMBINED_HFRAG) { @@ -2305,8 +2300,6 @@ move_msgq_to_heap(Process *p) mp = new_mp; } } - - erts_factory_close(&factory); } mpp = &(*mpp)->next; diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 27392a5996..559b4017e7 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -2268,7 +2268,7 @@ int enif_consume_timeslice(ErlNifEnv* env, int percent) * NIF exports need a few more items than the Export struct provides, * including the erl_module_nif* and a NIF function pointer, so the * NifExport below adds those. The Export member must be first in the - * struct. The saved_mfa, exception_thrown, saved_argc, rootset_extra, and + * struct. The saved_current, exception_thrown, saved_argc, rootset_extra, and * rootset members are used to track the MFA, any pending exception, and * arguments of the top NIF in case a chain of one or more * enif_schedule_nif() calls results in an exception, since in that case @@ -2282,7 +2282,7 @@ typedef struct { Export exp; struct erl_module_nif* m; NativeFunPtr fp; - Eterm saved_mfa[3]; + BeamInstr *saved_current; int exception_thrown; int saved_argc; int rootset_extra; @@ -2393,9 +2393,8 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec reg[i] = (Eterm) argv[i]; } if (need_save) { - ep->saved_mfa[0] = proc->current[0]; - ep->saved_mfa[1] = proc->current[1]; - ep->saved_mfa[2] = proc->current[2]; + ASSERT(proc->current); + ep->saved_current = proc->current; ep->saved_argc = argc; } proc->i = (BeamInstr*) ep->exp.addressv[0]; @@ -2418,21 +2417,21 @@ static void restore_nif_mfa(Process* proc, NifExport* ep, int exception) { int i; - Eterm* reg = erts_proc_sched_data(proc)->x_reg_array; ERTS_SMP_LC_ASSERT(!(proc->static_flags & ERTS_STC_FLG_SHADOW_PROC)); ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(proc) & ERTS_PROC_LOCK_MAIN); - proc->current[0] = ep->saved_mfa[0]; - proc->current[1] = ep->saved_mfa[1]; - proc->current[2] = ep->saved_mfa[2]; - if (exception) + ASSERT(ep->saved_current != &ep->exp.code[0]); + proc->current = ep->saved_current; + ep->saved_current = NULL; + if (exception) { + Eterm* reg = erts_proc_sched_data(proc)->x_reg_array; for (i = 0; i < ep->saved_argc; i++) reg[i] = ep->rootset[i+1]; + } ep->saved_argc = 0; - ep->saved_mfa[0] = THE_NON_VALUE; } #ifdef ERTS_DIRTY_SCHEDULERS @@ -2507,6 +2506,7 @@ execute_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) */ ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); ASSERT(ep && fp); + ep->fp = NULL; erts_smp_atomic32_read_band_mb(&proc->state, ~(ERTS_PSFLG_DIRTY_CPU_PROC | ERTS_PSFLG_DIRTY_IO_PROC)); @@ -2591,7 +2591,7 @@ schedule_dirty_nif(ErlNifEnv* env, int flags, int argc, const ERL_NIF_TERM argv[ } ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); - need_save = (ep == NULL || is_non_value(ep->saved_mfa[0])); + need_save = (ep == NULL || !ep->saved_current); result = init_nif_sched_data(env, execute_dirty_nif, fp, need_save, argc, argv); if (scheduler <= 0) erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_MAIN); @@ -2669,7 +2669,7 @@ enif_schedule_nif(ErlNifEnv* env, const char* fun_name, int flags, } ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); - need_save = (ep == NULL || is_non_value(ep->saved_mfa[0])); + need_save = (ep == NULL || !ep->saved_current); if (flags) { #ifdef ERTS_DIRTY_SCHEDULERS diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c index 26d71f573f..700ed90def 100644 --- a/erts/emulator/beam/erl_thr_progress.c +++ b/erts/emulator/beam/erl_thr_progress.c @@ -700,6 +700,7 @@ leader_update(ErtsThrPrgrData *tpd) tpd->leader_state.chk_next_ix = no_managed; erts_atomic32_set_nob(&intrnl->misc.data.umrefc_ix.current, (erts_aint32_t) new_umrefc_ix); + tpd->leader_state.umrefc_ix.current = new_umrefc_ix; ETHR_MEMBAR(ETHR_StoreLoad); refc = erts_atomic_read_nob(&intrnl->umrefc[umrefc_ix].refc); ASSERT(refc >= 0); diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index f4d92564c1..8c84303997 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -3157,7 +3157,7 @@ erts_tracer_update(ErtsTracer *tracer, const ErtsTracer new_tracer) Not sure if it is worth it, we save 4 words (sizeof(ErlHeapFragment)) per tracer. */ Eterm *hp = erts_alloc(ERTS_ALC_T_HEAP_FRAG, - 2*sizeof(Eterm) + sizeof(ErtsThrPrgrLaterOp)); + 3*sizeof(Eterm) + sizeof(ErtsThrPrgrLaterOp)); *tracer = CONS(hp, ERTS_TRACER_MODULE(new_tracer), ERTS_TRACER_STATE(new_tracer)); } else { diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index cb8792dffa..77dbe92241 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -6591,16 +6591,20 @@ deliver_term_check_port(ErlDrvTermData port_id, Eterm *connected_p, ErtsThrPrgrDelayHandle dhndl = erts_thr_progress_unmanaged_delay(); #endif erts_aint32_t state; + int res = 1; Port *prt = erts_port_lookup_raw((Eterm) port_id); - if (!prt) - return -1; + if (!prt) { + res = -1; + goto done; + } 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; + res = -1; else - return 0; + res = 0; + goto done; } if (connected_p) { #ifdef ERTS_SMP @@ -6609,25 +6613,27 @@ deliver_term_check_port(ErlDrvTermData port_id, Eterm *connected_p, #endif *connected_p = ERTS_PORT_GET_CONNECTED(prt); } + +done: + #ifdef ERTS_SMP if (dhndl != ERTS_THR_PRGR_DHANDLE_MANAGED) { + ERTS_SMP_LC_ASSERT(!prt || !erts_lc_is_port_locked(prt)); erts_thr_progress_unmanaged_continue(dhndl); ETHR_MEMBAR(ETHR_LoadLoad|ETHR_LoadStore); } else #endif - { + if (res == 1) { + ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt)); *trace_prt = prt; } - ERTS_SMP_LC_ASSERT(dhndl == ERTS_THR_PRGR_DHANDLE_MANAGED - ? erts_lc_is_port_locked(prt) - : !erts_lc_is_port_locked(prt)); - return 1; + return res; } int erl_drv_output_term(ErlDrvTermData port_id, ErlDrvTermData* data, int len) { /* May be called from arbitrary thread */ - Eterm connected; + Eterm connected = NIL; /* Shut up faulty warning... */ Port *prt = NULL; int res = deliver_term_check_port(port_id, &connected, &prt); if (res <= 0) diff --git a/erts/emulator/sys/unix/erl_child_setup.c b/erts/emulator/sys/unix/erl_child_setup.c index 6b9ddd8da4..69fc6c2879 100644 --- a/erts/emulator/sys/unix/erl_child_setup.c +++ b/erts/emulator/sys/unix/erl_child_setup.c @@ -348,7 +348,7 @@ child_error: * for posterity. */ static void handle_sigchld(int sig) { - int buff[2], res; + int buff[2], res, __preverrno = errno; sys_sigblock(SIGCHLD); @@ -362,6 +362,16 @@ static void handle_sigchld(int sig) { } sys_sigrelease(SIGCHLD); + + /* We save and restore the original errno as otherwise + the thread we are running in may end up with an + unexpected errno. An example of when this happened + was when the select in main had gotten an EINTR but + before the errno was checked the signal handler + was called and set errno to ECHILD from waitpid + which caused erl_child_setup to abort as it does + not expect ECHILD to be set after select */ + errno = __preverrno; } #if defined(__ANDROID__) @@ -423,7 +433,7 @@ main(int argc, char *argv[]) sigemptyset(&sa.sa_mask); sa.sa_flags = SA_RESTART | SA_NOCLDSTOP; if (sigaction(SIGCHLD, &sa, 0) == -1) { - perror(0); + perror(NULL); exit(1); } diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 6fb86f6dda..089efec3e8 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -715,11 +715,13 @@ static RETSIGTYPE suspend_signal(void) static RETSIGTYPE suspend_signal(int signum) #endif { - int res; - int buf[1]; - do { - res = read(sig_suspend_fds[0], buf, sizeof(int)); - } while (res < 0 && errno == EINTR); + int res, buf[1], __errno = errno; + do { + res = read(sig_suspend_fds[0], buf, sizeof(int)); + } while (res < 0 && errno == EINTR); + + /* restore previous errno in case read changed it */ + errno = __errno; } #endif /* #ifdef ERTS_SYS_SUSPEND_SIGNAL */ diff --git a/erts/emulator/test/hipe_SUITE.erl b/erts/emulator/test/hipe_SUITE.erl index 3e682b8d88..a556b4ddc0 100644 --- a/erts/emulator/test/hipe_SUITE.erl +++ b/erts/emulator/test/hipe_SUITE.erl @@ -51,6 +51,9 @@ t_copy_literals(Config) when is_list(Config) -> true = erlang:delete_module(literals), true = erlang:purge_module(literals), + %% Give the literal collector some time to work... + receive after 2000 -> ok end, + %% check that the ex-literals are ok [a,b,c] = ref_cell:call(PA, get), {a,b,c} = ref_cell:call(PB, get), diff --git a/erts/etc/unix/format_man_pages b/erts/etc/unix/format_man_pages index 54f2d90c28..0afff13571 100644 --- a/erts/etc/unix/format_man_pages +++ b/erts/etc/unix/format_man_pages @@ -107,7 +107,7 @@ case :"$TARGET" in if [ -f $file ]; then name=`echo $file | sed 's/\.[^.]*$//'` sec=`echo $file | sed 's/.*\.//'` - /usr/bin/groff -Tascii -mandoc $ERL_ROOT/man/man$sec/$file \ + /usr/bin/groff -Tutf8 -mandoc $ERL_ROOT/man/man$sec/$file \ > $ERL_ROOT/man/cat$sec/$file fi done diff --git a/erts/start_scripts/Makefile b/erts/start_scripts/Makefile index dfd8153f32..dd7e2ea530 100644 --- a/erts/start_scripts/Makefile +++ b/erts/start_scripts/Makefile @@ -69,7 +69,7 @@ debug opt script: rel $(INSTALL_SCRIPTS) $(RELEASES_SRC) rel: $(REL_SCRIPTS) -RELEASES.src: +RELEASES.src: $(SS_ROOT)/start_sasl.rel $(gen_verbose)$(INSTALL_DIR) $(SS_TMP) $(V_at)( cd $(SS_TMP) && \ $(ERL) -noinput +B -eval 'release_handler:create_RELEASES("%ERL_ROOT%", "$(SS_ROOT)", "$(SS_ROOT)/start_sasl.rel", []), halt()') diff --git a/erts/vsn.mk b/erts/vsn.mk index acd4509304..d9c441e887 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -18,7 +18,7 @@ # %CopyrightEnd% # -VSN = 8.0.3 +VSN = 8.0.4 # Port number 4365 in 4.2 # Port number 4366 in 4.3 |