Import SQLite 3.10.2.

third_party/sqlite/src/src/pcache.h

Index: third_party/sqlite/src/src/pcache.h
diff --git a/third_party/sqlite/src/src/pcache.h b/third_party/sqlite/src/src/pcache.h
index dd9bfc7451c308d3e2ced6f0aeb11b8633d196be..42c44cf7ba07297e35c53aedc30576a25636ce8b 100644
--- a/third_party/sqlite/src/src/pcache.h
+++ b/third_party/sqlite/src/src/pcache.h
@@ -46,14 +46,14 @@ struct PgHdr {
 };
 
 /* Bit values for PgHdr.flags */
-#define PGHDR_DIRTY             0x002  /* Page has changed */
-#define PGHDR_NEED_SYNC         0x004  /* Fsync the rollback journal before
-                                       ** writing this page to the database */
-#define PGHDR_NEED_READ         0x008  /* Content is unread */
-#define PGHDR_REUSE_UNLIKELY    0x010  /* A hint that reuse is unlikely */
-#define PGHDR_DONT_WRITE        0x020  /* Do not write content to disk */
-
-#define PGHDR_MMAP              0x040  /* This is an mmap page object */
+#define PGHDR_CLEAN           0x001  /* Page not on the PCache.pDirty list */
+#define PGHDR_DIRTY           0x002  /* Page is on the PCache.pDirty list */
+#define PGHDR_WRITEABLE       0x004  /* Journaled and ready to modify */
+#define PGHDR_NEED_SYNC       0x008  /* Fsync the rollback journal before
+                                     ** writing this page to the database */
+#define PGHDR_NEED_READ       0x010  /* Content is unread */
+#define PGHDR_DONT_WRITE      0x020  /* Do not write content to disk */
+#define PGHDR_MMAP            0x040  /* This is an mmap page object */
 
 /* Initialize and shutdown the page cache subsystem */
 int sqlite3PcacheInitialize(void);
@@ -146,6 +146,13 @@ void sqlite3PcacheSetCachesize(PCache *, int);
 int sqlite3PcacheGetCachesize(PCache *);
 #endif
 
+/* Set or get the suggested spill-size for the specified pager-cache.
+**
+** The spill-size is the minimum number of pages in cache before the cache
+** will attempt to spill dirty pages by calling xStress.
+*/
+int sqlite3PcacheSetSpillsize(PCache *, int);
+
 /* Free up as much memory as possible from the page cache */
 void sqlite3PcacheShrink(PCache*);
 
@@ -160,4 +167,8 @@ void sqlite3PcacheStats(int*,int*,int*,int*);
 
 void sqlite3PCacheSetDefault(void);
 
+/* Return the header size */
+int sqlite3HeaderSizePcache(void);
+int sqlite3HeaderSizePcache1(void);
+
 #endif /* _PCACHE_H_ */