93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
|
#include "xlib.h"
|
||
|
|
|
||
|
|
static Object V_X_Error_Handler, V_X_Fatal_Error_Handler;
|
||
|
|
|
||
|
|
/* Default error handlers of the Xlib */
|
||
|
|
extern int _XDefaultIOError();
|
||
|
|
extern int _XDefaultError();
|
||
|
|
|
||
|
|
static X_Fatal_Error (d) Display *d; {
|
||
|
|
Object args, fun;
|
||
|
|
GC_Node;
|
||
|
|
|
||
|
|
Reset_IO (0);
|
||
|
|
args = Make_Display (0, d);
|
||
|
|
GC_Link (args);
|
||
|
|
args = Cons (args, Null);
|
||
|
|
GC_Unlink;
|
||
|
|
fun = Var_Get (V_X_Fatal_Error_Handler);
|
||
|
|
if (TYPE(fun) == T_Compound)
|
||
|
|
(void)Funcall (fun, args, 0);
|
||
|
|
_XDefaultIOError (d);
|
||
|
|
exit (1); /* In case the default handler doesn't exit() */
|
||
|
|
/*NOTREACHED*/
|
||
|
|
}
|
||
|
|
|
||
|
|
static X_Error (d, ep) Display *d; XErrorEvent *ep; {
|
||
|
|
Object args, a, fun;
|
||
|
|
GC_Node;
|
||
|
|
|
||
|
|
Reset_IO (0);
|
||
|
|
args = Make_Unsigned_Long ((unsigned long)ep->resourceid);
|
||
|
|
GC_Link (args);
|
||
|
|
args = Cons (args, Null);
|
||
|
|
a = Make_Unsigned (ep->minor_code);
|
||
|
|
args = Cons (a, args);
|
||
|
|
a = Make_Unsigned (ep->request_code);
|
||
|
|
args = Cons (a, args);
|
||
|
|
a = Bits_To_Symbols ((unsigned long)ep->error_code, 0, Error_Syms);
|
||
|
|
if (Nullp (a))
|
||
|
|
a = Make_Unsigned (ep->error_code);
|
||
|
|
args = Cons (a, args);
|
||
|
|
a = Make_Unsigned_Long (ep->serial);
|
||
|
|
args = Cons (a, args);
|
||
|
|
a = Make_Display (0, ep->display);
|
||
|
|
args = Cons (a, args);
|
||
|
|
GC_Unlink;
|
||
|
|
fun = Var_Get (V_X_Error_Handler);
|
||
|
|
if (TYPE(fun) == T_Compound)
|
||
|
|
(void)Funcall (fun, args, 0);
|
||
|
|
else
|
||
|
|
_XDefaultError (d, ep);
|
||
|
|
}
|
||
|
|
|
||
|
|
static X_After_Function (d) Display *d; {
|
||
|
|
Object args;
|
||
|
|
GC_Node;
|
||
|
|
|
||
|
|
args = Make_Display (0, d);
|
||
|
|
GC_Link (args);
|
||
|
|
args = Cons (args, Null);
|
||
|
|
GC_Unlink;
|
||
|
|
(void)Funcall (DISPLAY(Car (args))->after, args, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static Object P_Set_After_Function (d, f) Object d, f; {
|
||
|
|
Object old;
|
||
|
|
|
||
|
|
Check_Type (d, T_Display);
|
||
|
|
if (EQ(f, False)) {
|
||
|
|
(void)XSetAfterFunction (DISPLAY(d)->dpy, (int (*)())0);
|
||
|
|
} else {
|
||
|
|
Check_Procedure (f);
|
||
|
|
(void)XSetAfterFunction (DISPLAY(d)->dpy, X_After_Function);
|
||
|
|
}
|
||
|
|
old = DISPLAY(d)->after;
|
||
|
|
DISPLAY(d)->after = f;
|
||
|
|
return old;
|
||
|
|
}
|
||
|
|
|
||
|
|
static Object P_After_Function (d) Object d; {
|
||
|
|
Check_Type (d, T_Display);
|
||
|
|
return DISPLAY(d)->after;
|
||
|
|
}
|
||
|
|
|
||
|
|
elk_init_xlib_error () {
|
||
|
|
Define_Variable (&V_X_Fatal_Error_Handler, "x-fatal-error-handler", Null);
|
||
|
|
Define_Variable (&V_X_Error_Handler, "x-error-handler", Null);
|
||
|
|
(void)XSetIOErrorHandler (X_Fatal_Error);
|
||
|
|
(void)XSetErrorHandler (X_Error);
|
||
|
|
Define_Primitive (P_Set_After_Function, "set-after-function!", 2, 2, EVAL);
|
||
|
|
Define_Primitive (P_After_Function, "after-function", 1, 1, EVAL);
|
||
|
|
}
|