re PR fortran/30947 (intrinsic: ALARM)

2007-03-08  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/30947
	* check.c (gfc_check_alarm_sub): Added check for default integer 
	kind of status argument.
	* iresolve.c (gfc_resolve_alarm_sub): Removed conversion of 
	status argument.
	* intrinsic.texi (ALARM): Extended documentation.

From-SVN: r122715

gcc/fortran/ChangeLog

 2007-03-08  Daniel Franke  <franke.daniel@gmail.com>
 
+	PR fortran/30947
+	* check.c (gfc_check_alarm_sub): Added check for default integer 
+	kind of status argument.
+	* iresolve.c (gfc_resolve_alarm_sub): Removed conversion of 
+	status argument.
+	* intrinsic.texi (ALARM): Extended documentation.
+
+2007-03-08  Daniel Franke  <franke.daniel@gmail.com>
+
 	* intrinsic.texi (GERROR, ISATTY, TTYNAM): New.
 	(ABORT, FLUSH, FNUM, IRAND, MALLOC, SIGNAL, SRAND): Fixed typo.
 	* intrinsic.c (add_subroutines): Adjusted dummy argument names 

gcc/fortran/check.c

@@ -2999,6 +2999,9 @@ gfc_check_alarm_sub (gfc_expr *seconds, gfc_expr *handler, gfc_expr *status)
   if (type_check (status, 2, BT_INTEGER) == FAILURE)
     return FAILURE;
 
+  if (kind_value_check (status, 2, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
   return SUCCESS;
 }
 

gcc/fortran/intrinsic.texi

@@ -785,7 +785,7 @@ end program test_aint
 @table @asis
 @item @emph{Description}:
 @code{ALARM(SECONDS, HANDLER [, STATUS])} causes external subroutine @var{HANDLER}
-to be executed after a delay of @var{SECONDS} by using @code{alarm(1)} to
+to be executed after a delay of @var{SECONDS} by using @code{alarm(2)} to
 set up a signal and @code{signal(2)} to catch it. If @var{STATUS} is
 supplied, it will be returned with the number of seconds remaining until
 any previously scheduled alarm was due to be delivered, or zero if there
@@ -805,10 +805,11 @@ Subroutine
 @item @var{SECONDS} @tab The type of the argument shall be a scalar
 @code{INTEGER}. It is @code{INTENT(IN)}.
 @item @var{HANDLER} @tab Signal handler (@code{INTEGER FUNCTION} or
-@code{SUBROUTINE}) or dummy/global @code{INTEGER} scalar.
-@code{INTEGER}. It is @code{INTENT(IN)}.
+@code{SUBROUTINE}) or dummy/global @code{INTEGER} scalar. The scalar 
+values may be either @code{SIG_IGN=1} to ignore the alarm generated 
+or @code{SIG_DFL=0} to set the default action. It is @code{INTENT(IN)}.
 @item @var{STATUS}  @tab (Optional) @var{STATUS} shall be a scalar
-@code{INTEGER} variable. It is @code{INTENT(OUT)}.
+variable of the default @code{INTEGER} kind. It is @code{INTENT(OUT)}.
 @end multitable
 
 @item @emph{Example}:

gcc/fortran/iresolve.c

@@ -2386,8 +2386,6 @@ gfc_resolve_alarm_sub (gfc_code *c)
 
   if (seconds->ts.kind != gfc_c_int_kind)
     gfc_convert_type (seconds, &ts, 2);
-  if (status != NULL && status->ts.kind != gfc_c_int_kind)
-    gfc_convert_type (status, &ts, 2);
 
   c->resolved_sym = gfc_get_intrinsic_sub_symbol (name);
 }