memtrap: add new logic to trap and handle SIGBUS

src/pulsecore/memtrap.h

@@ -0,0 +1,38 @@
+#ifndef foopulsecorememtraphfoo
+#define foopulsecorememtraphfoo
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2009 Lennart Poettering
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#include <sys/types.h>
+
+#include <pulsecore/macro.h>
+
+typedef struct pa_memtrap pa_memtrap;
+
+pa_memtrap* pa_memtrap_add(const void *start, size_t size);
+pa_memtrap *pa_memtrap_update(pa_memtrap *m, const void *start, size_t size);
+
+void pa_memtrap_remove(pa_memtrap *m);
+
+pa_bool_t pa_memtrap_is_good(pa_memtrap *m);
+
+#endif