X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fmmap-cache.h;h=a85c2b6063b4f0887501389eb026d1eaef30dfbe;hb=56e6c2abb8f18bba2bb9d96d66ac7e633349ddfb;hp=0c42fb88e6ebbbfcd97f4fb57dd073c524e58b38;hpb=f274ece0f76b5709408821e317e87aef76123db6;p=elogind.git

diff --git a/src/journal/mmap-cache.h b/src/journal/mmap-cache.h
index 0c42fb88e..a85c2b606 100644
--- a/src/journal/mmap-cache.h
+++ b/src/journal/mmap-cache.h
@@ -25,12 +25,28 @@
 #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, size_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);