Update sqlite to 3.7.3.

third_party/sqlite/src/src/os.h

Index: third_party/sqlite/src/src/os.h
diff --git a/third_party/sqlite/src/src/os.h b/third_party/sqlite/src/src/os.h
index 58941cee5f334c38c6b44d77a7719d2afe16a269..6d6486fd3a6d510391364745129786774d7cda5d 100644
--- a/third_party/sqlite/src/src/os.h
+++ b/third_party/sqlite/src/src/os.h
@@ -16,8 +16,6 @@
 **
 ** This header file is #include-ed by sqliteInt.h and thus ends up
 ** being included by every source file.
-**
-** $Id: os.h,v 1.108 2009/02/05 16:31:46 drh Exp $
 */
 #ifndef _SQLITE_OS_H_
 #define _SQLITE_OS_H_
@@ -223,7 +221,11 @@
 ** 1GB boundary.
 **
 */
-#define PENDING_BYTE      sqlite3PendingByte
+#ifdef SQLITE_OMIT_WSD
+# define PENDING_BYTE     (0x40000000)
+#else
+# define PENDING_BYTE      sqlite3PendingByte
+#endif
 #define RESERVED_BYTE     (PENDING_BYTE+1)
 #define SHARED_FIRST      (PENDING_BYTE+2)
 #define SHARED_SIZE       510
@@ -249,6 +251,10 @@ int sqlite3OsFileControl(sqlite3_file*,int,void*);
 #define SQLITE_FCNTL_DB_UNCHANGED 0xca093fa0
 int sqlite3OsSectorSize(sqlite3_file *id);
 int sqlite3OsDeviceCharacteristics(sqlite3_file *id);
+int sqlite3OsShmMap(sqlite3_file *,int,int,int,void volatile **);
+int sqlite3OsShmLock(sqlite3_file *id, int, int, int);
+void sqlite3OsShmBarrier(sqlite3_file *id);
+int sqlite3OsShmUnmap(sqlite3_file *id, int);
 
 /* 
 ** Functions for accessing sqlite3_vfs methods 
@@ -265,7 +271,7 @@ void sqlite3OsDlClose(sqlite3_vfs *, void *);
 #endif /* SQLITE_OMIT_LOAD_EXTENSION */
 int sqlite3OsRandomness(sqlite3_vfs *, int, char *);
 int sqlite3OsSleep(sqlite3_vfs *, int);
-int sqlite3OsCurrentTime(sqlite3_vfs *, double*);
+int sqlite3OsCurrentTimeInt64(sqlite3_vfs *, sqlite3_int64*);
 
 /*
 ** Convenience functions for opening and closing files using