From c9d4422cb4f54363096d4efb6d667071450fa50b Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 19 Jan 2012 12:12:30 +0100 Subject: erts: Fix code_ix handling and locking for some more bifs --- erts/emulator/beam/beam_bif_load.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index 458e4794bd..7b17790d3a 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -86,6 +86,7 @@ load_module_2(BIF_ALIST_2) erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); erts_smp_thr_progress_block(); + erts_lock_code_ix(); erts_start_loader_code_ix(); reason = erts_finish_loading(stp, BIF_P, 0, &BIF_ARG_1); @@ -103,6 +104,8 @@ load_module_2(BIF_ALIST_2) res = TUPLE2(hp, am_module, BIF_ARG_1); } + erts_unlock_code_ix(); + erts_smp_thr_progress_unblock(); erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); BIF_RET(res); @@ -160,8 +163,20 @@ BIF_RETTYPE code_make_stub_module_3(BIF_ALIST_3) erts_smp_thr_progress_block(); erts_export_consolidate(erts_active_code_ix()); + + erts_lock_code_ix(); + erts_start_loader_code_ix(); + res = erts_make_stub_module(BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3); + if (res == BIF_ARG_1) { + erts_commit_loader_code_ix(); + } + else { + erts_abort_loader_code_ix(); + } + erts_unlock_code_ix(); + erts_smp_thr_progress_unblock(); erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); return res; @@ -259,7 +274,9 @@ BIF_RETTYPE delete_module_1(BIF_ALIST_1) erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); erts_smp_thr_progress_block(); - code_ix = erts_active_code_ix(); + erts_lock_code_ix(); + erts_start_loader_code_ix(); + code_ix = erts_loader_code_ix(); { Module *modp = erts_get_module(BIF_ARG_1, code_ix); if (!modp) { @@ -279,6 +296,14 @@ BIF_RETTYPE delete_module_1(BIF_ALIST_1) } } + if (res == am_true) { + erts_commit_loader_code_ix(); + } + else { + erts_abort_loader_code_ix(); + } + erts_unlock_code_ix(); + erts_smp_thr_progress_unblock(); erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); @@ -368,6 +393,7 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2) ErtsCodeIndex code_ix; Module* modp; Eterm on_load; + code_ix = erts_active_code_ix(); modp = erts_get_module(BIF_ARG_1, code_ix); @@ -385,6 +411,8 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2) erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); erts_smp_thr_progress_block(); + /*SVERK What if code_ix is not active any more */ + if (BIF_ARG_2 == am_true) { int i; @@ -828,6 +856,7 @@ delete_export_references(Eterm module) continue; } ep->addressv[code_ix] = ep->code+3; + ASSERT(ep->code[3] != (BeamInstr) em_call_traced_function); /*SVERK What to do now? */ ep->code[3] = (BeamInstr) em_call_error_handler; ep->code[4] = 0; MatchSetUnref(ep->match_prog_set); -- cgit v1.2.3