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-rw-r--r--src/debug/sysv-heap.cpp84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/debug/sysv-heap.cpp b/src/debug/sysv-heap.cpp
new file mode 100644
index 0000000..7d21c02
--- /dev/null
+++ b/src/debug/sysv-heap.cpp
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Inkscape::Debug::SysVHeap - malloc() statistics via System V interface
+ *
+ * Authors:
+ * MenTaLguY <mental@rydia.net>
+ *
+ * Copyright (C) 2005 MenTaLguY
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h" // only include where actually required!
+#endif
+
+#ifdef HAVE_MALLOC_H
+# include <malloc.h>
+#endif
+
+#include "debug/sysv-heap.h"
+
+namespace Inkscape {
+namespace Debug {
+
+int SysVHeap::features() const {
+#ifdef HAVE_MALLINFO
+ return SIZE_AVAILABLE | USED_AVAILABLE;
+#else
+ return 0;
+#endif
+}
+
+Heap::Stats SysVHeap::stats() const {
+ Stats stats = { 0, 0 };
+
+#ifdef HAVE_MALLINFO
+#ifdef HAVE_MALLINFO2
+ struct mallinfo2 info=mallinfo2();
+#else
+ struct mallinfo info=mallinfo();
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_USMBLKS
+ stats.size += info.usmblks;
+ stats.bytes_used += info.usmblks;
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_FSMBLKS
+ stats.size += info.fsmblks;
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_UORDBLKS
+ stats.size += info.uordblks;
+ stats.bytes_used += info.uordblks;
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_FORDBLKS
+ stats.size += info.fordblks;
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_HBLKHD
+ stats.size += info.hblkhd;
+ stats.bytes_used += info.hblkhd;
+#endif
+
+#endif
+
+ return stats;
+}
+
+}
+}
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :