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Diffstat (limited to 'erts/emulator/beam/bif.c')
-rw-r--r--erts/emulator/beam/bif.c113
1 files changed, 96 insertions, 17 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index f8305944a4..ebdca87f4a 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2011. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2012. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -3665,43 +3665,122 @@ BIF_RETTYPE display_nl_0(BIF_ALIST_0)
/* ARGSUSED */
BIF_RETTYPE halt_0(BIF_ALIST_0)
{
- VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt/0\n"));
- erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erl_exit(0, "");
- return NIL; /* Pedantic (lint does not know about erl_exit) */
+ VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt()\n"));
+ erl_halt(0);
+ ERTS_BIF_YIELD1(bif_export[BIF_halt_1], BIF_P, am_undefined);
}
/**********************************************************************/
-#define MSG_SIZE 200
+#define HALT_MSG_SIZE 200
+static char halt_msg[HALT_MSG_SIZE];
/* stop the system with exit code */
/* ARGSUSED */
BIF_RETTYPE halt_1(BIF_ALIST_1)
{
Sint code;
- static char msg[MSG_SIZE];
- int i;
if (is_small(BIF_ARG_1) && (code = signed_val(BIF_ARG_1)) >= 0) {
- VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt(%d)\n", code));
+ VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt(%T)\n", BIF_ARG_1));
+ erl_halt((int)(- code));
+ ERTS_BIF_YIELD1(bif_export[BIF_halt_1], BIF_P, am_undefined);
+ }
+ else if (ERTS_IS_ATOM_STR("abort", BIF_ARG_1)) {
+ VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt(%T)\n", BIF_ARG_1));
erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erl_exit(-code, "");
- } else if (is_string(BIF_ARG_1) || BIF_ARG_1 == NIL) {
- if ((i = intlist_to_buf(BIF_ARG_1, msg, MSG_SIZE-1)) < 0) {
+ erl_exit(ERTS_ABORT_EXIT, "");
+ }
+ else if (is_string(BIF_ARG_1) || BIF_ARG_1 == NIL) {
+ int i;
+
+ if ((i = intlist_to_buf(BIF_ARG_1, halt_msg, HALT_MSG_SIZE-1)) < 0) {
goto error;
}
- msg[i] = '\0';
- VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt(%s)\n", msg));
+ halt_msg[i] = '\0';
+ VERBOSE(DEBUG_SYSTEM,("System halted by BIF halt(%T)\n", BIF_ARG_1));
erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erl_exit(ERTS_DUMP_EXIT, "%s\n", msg);
- } else {
- error:
+ erl_exit(ERTS_DUMP_EXIT, "%s\n", halt_msg);
+ }
+ else
+ goto error;
+ return NIL; /* Pedantic (lint does not know about erl_exit) */
+ error:
BIF_ERROR(BIF_P, BADARG);
+}
+
+/**********************************************************************/
+
+/* stop the system with exit code and flags */
+/* ARGSUSED */
+BIF_RETTYPE halt_2(BIF_ALIST_2)
+{
+ Sint code;
+ Eterm optlist = BIF_ARG_2;
+ int flush = 0;
+
+ for (optlist = BIF_ARG_2;
+ is_list(optlist);
+ optlist = CDR(list_val(optlist))) {
+ Eterm *tp, opt = CAR(list_val(optlist));
+ if (is_not_tuple(opt))
+ goto error;
+ tp = tuple_val(opt);
+ if (tp[0] != make_arityval(2))
+ goto error;
+ if (tp[1] == am_flush) {
+ if (tp[2] == am_true)
+ flush = 1;
+ else if (tp[2] == am_false)
+ flush = 0;
+ else
+ goto error;
+ }
+ else
+ goto error;
+ }
+ if (is_not_nil(optlist))
+ goto error;
+
+ if (is_small(BIF_ARG_1) && (code = signed_val(BIF_ARG_1)) >= 0) {
+ VERBOSE(DEBUG_SYSTEM,
+ ("System halted by BIF halt(%T, %T)\n", BIF_ARG_1, BIF_ARG_2));
+ if (flush) {
+ erl_halt((int)(- code));
+ ERTS_BIF_YIELD1(bif_export[BIF_halt_1], BIF_P, am_undefined);
+ }
+ else {
+ erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
+ erl_exit((int)(- code), "");
+ }
+ }
+ else if (ERTS_IS_ATOM_STR("abort", BIF_ARG_1)) {
+ VERBOSE(DEBUG_SYSTEM,
+ ("System halted by BIF halt(%T, %T)\n", BIF_ARG_1, BIF_ARG_2));
+ erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
+ erl_exit(ERTS_ABORT_EXIT, "");
}
+ else if (is_string(BIF_ARG_1) || BIF_ARG_1 == NIL) {
+ int i;
+
+ if ((i = intlist_to_buf(BIF_ARG_1, halt_msg, HALT_MSG_SIZE-1)) < 0) {
+ goto error;
+ }
+ halt_msg[i] = '\0';
+ VERBOSE(DEBUG_SYSTEM,
+ ("System halted by BIF halt(%T, %T)\n", BIF_ARG_1, BIF_ARG_2));
+ erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
+ erl_exit(ERTS_DUMP_EXIT, "%s\n", halt_msg);
+ }
+ else
+ goto error;
return NIL; /* Pedantic (lint does not know about erl_exit) */
+ error:
+ BIF_ERROR(BIF_P, BADARG);
}
+/**********************************************************************/
+
BIF_RETTYPE function_exported_3(BIF_ALIST_3)
{
if (is_not_atom(BIF_ARG_1) ||