diff options
Diffstat (limited to 'erts/emulator')
-rw-r--r-- | erts/emulator/beam/bif.c | 13 | ||||
-rw-r--r-- | erts/emulator/beam/dist.c | 6 | ||||
-rw-r--r-- | erts/emulator/beam/dist.h | 1 | ||||
-rw-r--r-- | erts/emulator/beam/erl_proc_sig_queue.c | 2 | ||||
-rw-r--r-- | erts/emulator/test/trace_SUITE.erl | 19 |
5 files changed, 38 insertions, 3 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index f18af8bcd7..56ac072449 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -1803,6 +1803,7 @@ ebif_bang_2(BIF_ALIST_2) #define SEND_INTERNAL_ERROR (-6) #define SEND_AWAIT_RESULT (-7) #define SEND_YIELD_CONTINUE (-8) +#define SEND_SYSTEM_LIMIT (-9) static Sint remote_send(Process *p, DistEntry *dep, @@ -1842,6 +1843,8 @@ static Sint remote_send(Process *p, DistEntry *dep, res = SEND_YIELD_RETURN; else if (code == ERTS_DSIG_SEND_CONTINUE) res = SEND_YIELD_CONTINUE; + else if (code == ERTS_DSIG_SEND_TOO_LRG) + res = SEND_SYSTEM_LIMIT; else res = 0; break; @@ -2162,6 +2165,9 @@ BIF_RETTYPE send_3(BIF_ALIST_3) case SEND_BADARG: ERTS_BIF_PREP_ERROR(retval, p, BADARG); break; + case SEND_SYSTEM_LIMIT: + ERTS_BIF_PREP_ERROR(retval, p, SYSTEM_LIMIT); + break; case SEND_USER_ERROR: ERTS_BIF_PREP_ERROR(retval, p, EXC_ERROR); break; @@ -2218,6 +2224,10 @@ static BIF_RETTYPE dsend_continue_trap_1(BIF_ALIST_1) BUMP_ALL_REDS(BIF_P); BIF_TRAP1(&dsend_continue_trap_export, BIF_P, BIF_ARG_1); } + case ERTS_DSIG_SEND_TOO_LRG: { /*SEND_SYSTEM_LIMIT*/ + erts_set_gc_state(BIF_P, 1); + BIF_ERROR(BIF_P, SYSTEM_LIMIT); + } default: erts_exit(ERTS_ABORT_EXIT, "dsend_continue_trap invalid result %d\n", (int)result); break; @@ -2275,6 +2285,9 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) case SEND_BADARG: ERTS_BIF_PREP_ERROR(retval, p, BADARG); break; + case SEND_SYSTEM_LIMIT: + ERTS_BIF_PREP_ERROR(retval, p, SYSTEM_LIMIT); + break; case SEND_USER_ERROR: ERTS_BIF_PREP_ERROR(retval, p, EXC_ERROR); break; diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index 146c00b07d..db594a23a0 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -1924,6 +1924,12 @@ erts_dsig_send(ErtsDSigData *dsdp, struct erts_dsig_send_context* ctx) ASSERT(ctx->obuf->ext_endp <= &ctx->obuf->data[0] + ctx->data_size); ctx->data_size = ctx->obuf->ext_endp - ctx->obuf->extp; + if (ctx->data_size > (Uint) INT_MAX) { + free_dist_obuf(ctx->obuf); + ctx->obuf = NULL; + retval = ERTS_DSIG_SEND_TOO_LRG; + goto done; + } ctx->obuf->hopefull_flags = ctx->u.ec.hopefull_flags; /* diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h index dda2029a4c..55204eb83d 100644 --- a/erts/emulator/beam/dist.h +++ b/erts/emulator/beam/dist.h @@ -376,6 +376,7 @@ typedef struct { #define ERTS_DSIG_SEND_OK 0 #define ERTS_DSIG_SEND_YIELD 1 #define ERTS_DSIG_SEND_CONTINUE 2 +#define ERTS_DSIG_SEND_TOO_LRG 3 extern int erts_dsig_send_link(ErtsDSigData *, Eterm, Eterm); extern int erts_dsig_send_msg(Eterm, Eterm, ErtsSendContext*); diff --git a/erts/emulator/beam/erl_proc_sig_queue.c b/erts/emulator/beam/erl_proc_sig_queue.c index f90501cbf7..f343e984f7 100644 --- a/erts/emulator/beam/erl_proc_sig_queue.c +++ b/erts/emulator/beam/erl_proc_sig_queue.c @@ -3126,8 +3126,8 @@ erts_proc_sig_handle_incoming(Process *c_p, erts_aint32_t *statep, erts_monitor_tree_delete(&ERTS_P_MONITORS(c_p), &mdp->origin); omon = &mdp->origin; + remove_nm_sig(c_p, sig, next_nm_sig); } - remove_nm_sig(c_p, sig, next_nm_sig); break; default: ERTS_INTERNAL_ERROR("invalid monitor type"); diff --git a/erts/emulator/test/trace_SUITE.erl b/erts/emulator/test/trace_SUITE.erl index 979b3185a5..c2d5cd7023 100644 --- a/erts/emulator/test/trace_SUITE.erl +++ b/erts/emulator/test/trace_SUITE.erl @@ -39,7 +39,7 @@ system_monitor_large_heap_1/1, system_monitor_large_heap_2/1, system_monitor_long_schedule/1, bad_flag/1, trace_delivered/1, trap_exit_self_receive/1, - trace_info_badarg/1]). + trace_info_badarg/1, erl_704/1]). -include_lib("common_test/include/ct.hrl"). @@ -63,7 +63,7 @@ all() -> system_monitor_long_gc_2, system_monitor_large_heap_1, system_monitor_long_schedule, system_monitor_large_heap_2, bad_flag, trace_delivered, - trap_exit_self_receive, trace_info_badarg]. + trap_exit_self_receive, trace_info_badarg, erl_704]. init_per_testcase(_Case, Config) -> [{receiver,spawn(fun receiver/0)}|Config]. @@ -1739,6 +1739,21 @@ trace_info_badarg(Config) when is_list(Config) -> catch erlang:trace_info({a,b,c},d), ok. +%% An incoming suspend monitor down wasn't handled +%% correct when the local monitor half had been +%% removed with an emulator crash as result. +erl_704(Config) -> + erl_704_test(100). + +erl_704_test(0) -> + ok; +erl_704_test(N) -> + P = spawn(fun () -> receive infinity -> ok end end), + erlang:suspend_process(P), + exit(P, kill), + (catch erlang:resume_process(P)), + erl_704_test(N-1). + drop_trace_until_down(Proc, Mon) -> drop_trace_until_down(Proc, Mon, false, 0, 0). |