Initial import

third_party/dlmalloc/malloc_footprint.c

@@ -0,0 +1,12 @@
+#include "third_party/dlmalloc/dlmalloc.h"
+#include "libc/mem/mem.h"
+
+/**
+ * Returns the number of bytes obtained from the system. The total
+ * number of bytes allocated by malloc, realloc etc., is less than this
+ * value. Unlike mallinfo, this function returns only a precomputed
+ * result, so can be called frequently to monitor memory consumption.
+ * Even if locks are otherwise defined, this function does not use them,
+ * so results might not be up to date.
+ */
+size_t malloc_footprint(void) { return gm->footprint; }