#include <stdbool.h>
#include <sys/stat.h>
+/* One context per object type, plus one of the header, plus one "additional" one */
+#define MMAP_CACHE_MAX_CONTEXTS 9
+
typedef struct MMapCache MMapCache;
MMapCache* mmap_cache_new(void);
MMapCache* mmap_cache_ref(MMapCache *m);
MMapCache* mmap_cache_unref(MMapCache *m);
-int mmap_cache_get(MMapCache *m, int fd, int prot, unsigned context, bool keep_always, uint64_t offset, uint64_t size, struct stat *st, void **ret);
+int mmap_cache_get(
+ MMapCache *m,
+ int fd,
+ int prot,
+ unsigned context,
+ bool keep_always,
+ uint64_t offset,
+ size_t size,
+ struct stat *st,
+ void **ret);
void mmap_cache_close_fd(MMapCache *m, int fd);
-void mmap_cache_close_context(MMapCache *m, unsigned context);
+
+unsigned mmap_cache_get_hit(MMapCache *m);
+unsigned mmap_cache_get_missed(MMapCache *m);
+
+bool mmap_cache_got_sigbus(MMapCache *m, int fd);