#include "genesis/static-symbols.h"
#include "genesis/vector.h"
#include "thread.h"
+#include "monitor.h"
\f
/* the way that we shut down the system on a fatal error */
exit(1);
}
static void (*lossage_handler)(void) = default_lossage_handler;
-void
-set_lossage_handler(void handler(void))
+
+void enable_lossage_handler(void)
+{
+ lossage_handler = monitor_or_something;
+}
+void disable_lossage_handler(void)
{
- lossage_handler = handler;
+ lossage_handler = default_lossage_handler;
}
-never_returns
-lose(char *fmt, ...)
+static
+void print_message(char *fmt, va_list ap)
{
- va_list ap;
- fprintf(stderr, "fatal error encountered in SBCL pid %d",getpid());
+ fprintf(stderr, " in SBCL pid %d",getpid());
#if defined(LISP_FEATURE_SB_THREAD)
- fprintf(stderr, "(tid %ld)",thread_self());
+ fprintf(stderr, "(tid %lu)", (unsigned long) thread_self());
#endif
if (fmt) {
fprintf(stderr, ":\n");
- va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
- va_end(ap);
}
fprintf(stderr, "\n");
- fflush(stderr);
+}
+
+static inline void
+call_lossage_handler() never_returns;
+
+static inline void
+call_lossage_handler()
+{
lossage_handler();
fprintf(stderr, "Argh! lossage_handler() returned, total confusion..\n");
exit(1);
}
+
+void
+lose(char *fmt, ...)
+{
+ va_list ap;
+ /* Block signals to prevent other threads, timers and such from
+ * interfering. If only all threads could be stopped somehow. */
+ block_blockable_signals(0, 0);
+ fprintf(stderr, "fatal error encountered");
+ va_start(ap, fmt);
+ print_message(fmt, ap);
+ va_end(ap);
+ fprintf(stderr, "\n");
+ fflush(stderr);
+ call_lossage_handler();
+}
+
+boolean lose_on_corruption_p = 0;
+
+void
+corruption_warning_and_maybe_lose(char *fmt, ...)
+{
+ va_list ap;
+#ifndef LISP_FEATURE_WIN32
+ sigset_t oldset;
+ block_blockable_signals(0, &oldset);
+#endif
+ fprintf(stderr, "CORRUPTION WARNING");
+ va_start(ap, fmt);
+ print_message(fmt, ap);
+ va_end(ap);
+ fprintf(stderr, "The integrity of this image is possibly compromised.\n");
+ if (lose_on_corruption_p)
+ fprintf(stderr, "Exiting.\n");
+ else
+ fprintf(stderr, "Continuing with fingers crossed.\n");
+ fflush(stderr);
+ if (lose_on_corruption_p)
+ call_lossage_handler();
+#ifndef LISP_FEATURE_WIN32
+ else
+ thread_sigmask(SIG_SETMASK,&oldset,0);
+#endif
+}
\f
/* internal error handler for when the Lisp error system doesn't exist
*
fprintf(stderr, "%s\n",
(char *)(((struct vector *)native_pointer(string))->data));
/* shut GCC up about not using this, because that's the point.. */
- if (untouched);
+ (void)untouched;
return NIL;
}