diff options
Diffstat (limited to 'erts/emulator/beam/erl_nif.c')
-rw-r--r-- | erts/emulator/beam/erl_nif.c | 53 |
1 files changed, 33 insertions, 20 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 3a547982da..479a2f4809 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2009-2016. All Rights Reserved. + * Copyright Ericsson AB 2009-2017. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -690,7 +690,7 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, Uint sz = size_object(msg); ErlOffHeap *ohp; Eterm *hp; - if (env && !env->tracee) { + if (c_p && !env->tracee) { full_flush_env(env); mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp); full_cache_env(env); @@ -2309,6 +2309,17 @@ erts_setup_nif_gc(Process* proc, Eterm** objv, int* nobj) return gc; } +int +erts_check_nif_export_in_area(Process *p, char *start, Uint size) +{ + NifExport *nep = ERTS_PROC_GET_NIF_TRAP_EXPORT(p); + if (!nep || !nep->saved_current) + return 0; + if (ErtsInArea(nep->saved_current, start, size)) + return 1; + return 0; +} + /* * Allocate a NifExport and set it in proc specific data */ @@ -2360,6 +2371,7 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec Eterm* reg; NifExport* ep; int i, scheduler; + int orig_argc; execution_state(env, &proc, &scheduler); @@ -2370,11 +2382,14 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec reg = erts_proc_sched_data(proc)->x_reg_array; + ASSERT(!need_save || proc->current); + orig_argc = need_save ? (int) proc->current[2] : 0; + ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); if (!ep) - ep = allocate_nif_sched_data(proc, argc); - else if (need_save && ep->rootset_extra < argc) { - NifExport* new_ep = allocate_nif_sched_data(proc, argc); + ep = allocate_nif_sched_data(proc, orig_argc); + else if (need_save && ep->rootset_extra < orig_argc) { + NifExport* new_ep = allocate_nif_sched_data(proc, orig_argc); destroy_nif_export(ep); ep = new_ep; } @@ -2387,16 +2402,14 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec } if (scheduler > 0) ERTS_VBUMP_ALL_REDS(proc); - for (i = 0; i < argc; i++) { - if (need_save) - ep->rootset[i+1] = reg[i]; - reg[i] = (Eterm) argv[i]; - } if (need_save) { - ASSERT(proc->current); ep->saved_current = proc->current; - ep->saved_argc = argc; + ep->saved_argc = orig_argc; + for (i = 0; i < orig_argc; i++) + ep->rootset[i+1] = reg[i]; } + for (i = 0; i < argc; i++) + reg[i] = (Eterm) argv[i]; proc->i = (BeamInstr*) ep->exp.addressv[0]; ep->exp.code[0] = (BeamInstr) proc->current[0]; ep->exp.code[1] = (BeamInstr) proc->current[1]; @@ -3068,16 +3081,16 @@ Eterm erts_nif_taints(Process* p) return list; } -void erts_print_nif_taints(int to, void* to_arg) +void erts_print_nif_taints(fmtfn_t to, void* to_arg) { struct tainted_module_t* t; const char* delim = ""; for (t=first_tainted_module ; t!=NULL; t=t->next) { const Atom* atom = atom_tab(atom_val(t->module_atom)); - erts_print(to,to_arg,"%s%.*s", delim, atom->len, atom->name); + erts_cbprintf(to,to_arg,"%s%.*s", delim, atom->len, atom->name); delim = ","; } - erts_print(to,to_arg,"\n"); + erts_cbprintf(to,to_arg,"\n"); } @@ -3360,7 +3373,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) veto = entry->reload(&env, &lib->priv_data, BIF_ARG_2); erts_post_nif(&env); if (veto) { - ret = load_nif_error(BIF_P, reload, "Library reload-call unsuccessful."); + ret = load_nif_error(BIF_P, reload, "Library reload-call unsuccessful (%d).", veto); } else { commit_opened_resource_types(lib); @@ -3382,7 +3395,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) erts_post_nif(&env); if (veto) { prev_mi->nif->priv_data = prev_old_data; - ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful."); + ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful (%d).", veto); } else commit_opened_resource_types(lib); @@ -3392,7 +3405,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) veto = entry->load(&env, &lib->priv_data, BIF_ARG_2); erts_post_nif(&env); if (veto) { - ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful."); + ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful (%d).", veto); } else commit_opened_resource_types(lib); @@ -3548,8 +3561,8 @@ Eterm erts_nif_call_function(Process *p, Process *tracee, #endif if (p) { /* This is almost a normal nif call like in beam_emu, - except that any heap fragment created in the nif will be - discarded without checking if anything in it is live. + except that any heap consumed by the nif will be + released without checking if anything in it is live. This is because we cannot do a GC here as we don't know the number of live registers that have to be preserved. This means that any heap part of the returned term may |