diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/doc/src/notes.xml | 44 | ||||
-rw-r--r-- | erts/emulator/beam/beam_bif_load.c | 46 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.c | 5 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.c | 3 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.h | 1 | ||||
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 11 | ||||
-rw-r--r-- | erts/emulator/sys/unix/sys.c | 6 | ||||
-rw-r--r-- | erts/emulator/test/code_SUITE.erl | 44 | ||||
-rw-r--r-- | erts/vsn.mk | 2 |
9 files changed, 140 insertions, 22 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 35d7381cf3..f0de301982 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -31,6 +31,34 @@ </header> <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 8.3.5</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>Active-mode TCP sockets are now cleaned up properly on + send/shutdown errors.</p> + <p> + Own Id: OTP-14441 Aux Id: ERL-430 </p> + </item> + <item> + <p> + A code purge operation could under certain circumstances + expand the size of hibernated processes.</p> + <p> + Own Id: OTP-14444 Aux Id: ERIERL-24 </p> + </item> + <item> + <p> + Fix so that the ERL_ZZ_SIGTERM_KILL introduced in + erts-8.3.4 works.</p> + <p> + Own Id: OTP-14451</p> + </item> + </list> + </section> + +</section> <section><title>Erts 8.3.4</title> @@ -533,6 +561,22 @@ </section> +<section><title>Erts 8.1.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + A code purge operation could under certain circumstances + expand the size of hibernated processes.</p> + <p> + Own Id: OTP-14444 Aux Id: ERIERL-24 </p> + </item> + </list> + </section> + +</section> + <section><title>Erts 8.1.1</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 27d6823d3c..b664532c1c 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -1051,23 +1051,32 @@ erts_proc_copy_literal_area(Process *c_p, int *redsp, int fcalls, int gc_allowed return am_ok; -literal_gc: +literal_gc: { + int hibernated = !!(c_p->flags & F_HIBERNATED); + int gc_cost; - if (!gc_allowed) - return am_need_gc; + if (!gc_allowed) + return am_need_gc; - if (c_p->flags & F_DISABLE_GC) - return THE_NON_VALUE; + if (c_p->flags & F_DISABLE_GC) + return THE_NON_VALUE; - FLAGS(c_p) |= F_NEED_FULLSWEEP; + FLAGS(c_p) |= F_NEED_FULLSWEEP; - *redsp += erts_garbage_collect_nobump(c_p, 0, c_p->arg_reg, c_p->arity, fcalls); + gc_cost = erts_garbage_collect_nobump(c_p, 0, c_p->arg_reg, c_p->arity, fcalls); + *redsp += gc_cost; - erts_garbage_collect_literals(c_p, (Eterm *) literals, lit_bsize, oh); + erts_garbage_collect_literals(c_p, (Eterm *) literals, lit_bsize, oh); - *redsp += lit_bsize / 64; /* Need, better value... */ + *redsp += lit_bsize / 64; /* Need, better value... */ - return am_ok; + if (hibernated) { + erts_garbage_collect_hibernate(c_p); + *redsp += gc_cost; + } + + return am_ok; + } } static Eterm @@ -1154,6 +1163,8 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls Eterm* sp; int done_gc = 0; int need_gc = 0; + int hibernated = !!(rp->flags & F_HIBERNATED); + int gc_cost = 0; ErtsMessage *msgp; ErlHeapFragment *hfrag; @@ -1288,8 +1299,13 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls while (1) { /* Check heap, stack etc... */ - if (check_mod_funs(rp, &rp->off_heap, mod_start, mod_size)) + if (check_mod_funs(rp, &rp->off_heap, mod_start, mod_size)) { + if (hibernated) { + /* GC wont help; everything on heap is live... */ + return am_true; + } goto try_gc; + } if (any_heap_ref_ptrs(&rp->fvalue, &rp->fvalue+1, literals, lit_bsize)) { rp->freason = EXC_NULL; rp->fvalue = NIL; @@ -1379,7 +1395,9 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls if (need_gc & ERTS_ORDINARY_GC__) { FLAGS(rp) |= F_NEED_FULLSWEEP; - *redsp += erts_garbage_collect_nobump(rp, 0, rp->arg_reg, rp->arity, fcalls); + gc_cost = erts_garbage_collect_nobump(rp, 0, rp->arg_reg, rp->arity, fcalls); + ASSERT(!hibernated || (need_gc & ERTS_LITERAL_GC__)); + *redsp += gc_cost; done_gc |= ERTS_ORDINARY_GC__; } if (need_gc & ERTS_LITERAL_GC__) { @@ -1388,6 +1406,10 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls *redsp += lit_bsize / 64; /* Need, better value... */ erts_garbage_collect_literals(rp, (Eterm*)literals, lit_bsize, oh); done_gc |= ERTS_LITERAL_GC__; + if (hibernated) { + erts_garbage_collect_hibernate(rp); + *redsp += gc_cost; + } } need_gc = 0; } diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index bb36be0848..d2560cfb49 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -764,7 +764,7 @@ do_major_collection: esdp->gc_info.reclaimed += reclaimed_now; } - FLAGS(p) &= ~F_FORCE_GC; + FLAGS(p) &= ~(F_FORCE_GC|F_HIBERNATED); p->live_hf_end = ERTS_INVALID_HFRAG_PTR; ERTS_MSACC_POP_STATE_M(); @@ -929,6 +929,8 @@ erts_garbage_collect_hibernate(Process* p) ErtsGcQuickSanityCheck(p); + p->flags |= F_HIBERNATED; + erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC); reds = gc_cost(actual_size, actual_size); @@ -1158,6 +1160,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, /* * Restore status. */ + p->flags &= ~F_HIBERNATED; erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC); } diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 5c0322a7f6..54724fd62d 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -10476,7 +10476,8 @@ execute_sys_tasks(Process *c_p, erts_aint32_t *statep, int in_reds) reds--; } else { - if (!garbage_collected) { + if (!garbage_collected + && !(c_p->flags & F_HIBERNATED)) { FLAGS(c_p) |= F_NEED_FULLSWEEP; reds -= scheduler_gc_proc(c_p, reds); garbage_collected = 1; diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 68fbb10602..b8755fe948 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1395,6 +1395,7 @@ extern int erts_system_profile_ts_type; #define F_HAVE_BLCKD_NMSCHED (1 << 18) /* Process has blocked normal multi-scheduling */ #define F_HIPE_MODE (1 << 19) #define F_DELAYED_DEL_PROC (1 << 20) /* Delay delete process (dirty proc exit case) */ +#define F_HIBERNATED (1 << 21) /* Hibernated */ /* * F_DISABLE_GC and F_DELAY_GC are similar. Both will prevent diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 1885338ce5..edea208857 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -4320,6 +4320,12 @@ 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; } } @@ -10386,6 +10392,9 @@ static int tcp_send_or_shutdown_error(tcp_descriptor* desc, int err) set_busy_port(desc->inet.port, 0); } + tcp_clear_output(desc); + tcp_clear_input(desc); + /* * We used to handle "expected errors" differently from unexpected ones. * Now we handle all errors in the same way (unless the show_econnreset @@ -10408,8 +10417,6 @@ static int tcp_send_or_shutdown_error(tcp_descriptor* desc, int err) else desc_close(INETP(desc)); } else { - tcp_clear_output(desc); - tcp_clear_input(desc); tcp_close_check(desc); erl_inet_close(INETP(desc)); diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index de8481b206..7f738751ff 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -838,11 +838,13 @@ void sys_init_suspend_handler(void) void erts_sys_unix_later_init(void) { - char env[4]; + char env[5]; size_t envsz = sizeof(env); + if (erts_sys_getenv_raw("ERL_ZZ_SIGTERM_KILL", env, &envsz) == 0) - if (envsz == 4 && sys_strncmp("true",env,4) == 0) + if (envsz == 4 && sys_strncmp("true", env, 4) == 0) return; + sys_signal(SIGTERM, request_stop); } diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl index 3ee14f2d1c..1065b56e19 100644 --- a/erts/emulator/test/code_SUITE.erl +++ b/erts/emulator/test/code_SUITE.erl @@ -645,9 +645,40 @@ constant_pools(Config) when is_list(Config) -> erlang:purge_module(literals), OldHeap ! done, receive - {'EXIT',OldHeap,{A,B,C,[1,2,3|_]=Seq}} when length(Seq) =:= 16 -> - ok - end. + {'EXIT',OldHeap,{A,B,C,[1,2,3|_]=Seq}} when length(Seq) =:= 16 -> + ok + end, + + {module,literals} = erlang:load_module(literals, Code), + %% Have a hibernated process that references the literals + %% in the 'literals' module. + {Hib, Mon} = spawn_monitor(fun() -> hibernated(Self) end), + receive go -> ok end, + [{heap_size,OldHeapSz}, + {total_heap_size,OldTotHeapSz}] = process_info(Hib, [heap_size, + total_heap_size]), + OldHeapSz = OldTotHeapSz, + io:format("OldHeapSz=~p OldTotHeapSz=~p~n", [OldHeapSz, OldTotHeapSz]), + true = erlang:delete_module(literals), + false = erlang:check_process_code(Hib, literals), + erlang:check_process_code(self(), literals), + erlang:purge_module(literals), + receive after 1000 -> ok end, + [{heap_size,HeapSz}, + {total_heap_size,TotHeapSz}] = process_info(Hib, [heap_size, + total_heap_size]), + io:format("HeapSz=~p TotHeapSz=~p~n", [HeapSz, TotHeapSz]), + Hib ! hej, + receive + {'DOWN', Mon, process, Hib, Reason} -> + {undef, [{no_module, + no_function, + [{A,B,C,[1,2,3|_]=Seq}], _}]} = Reason, + 16 = length(Seq) + end, + HeapSz = TotHeapSz, %% Ensure restored to hibernated state... + true = HeapSz > OldHeapSz, + ok. no_old_heap(Parent) -> A = literals:a(), @@ -670,6 +701,13 @@ old_heap(Parent) -> exit(Res) end. +hibernated(Parent) -> + A = literals:a(), + B = literals:b(), + Res = {A,B,literals:huge_bignum(),lists:seq(1, 16)}, + Parent ! go, + erlang:hibernate(no_module, no_function, [Res]). + create_old_heap() -> case process_info(self(), [heap_size,total_heap_size]) of [{heap_size,Sz},{total_heap_size,Total}] when Sz < Total -> diff --git a/erts/vsn.mk b/erts/vsn.mk index dc17ed8b3d..acc50dc188 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -18,7 +18,7 @@ # %CopyrightEnd% # -VSN = 8.3.4 +VSN = 8.3.5 # Port number 4365 in 4.2 # Port number 4366 in 4.3 |