Import wiredtiger-wiredtiger-2.8.0-201-g7ea2631.tar.gz from wiredtiger branch mongodb-3.2

ref: 43e885a..7ea2631

SERVER-23504  Coverity analysis defect 98177: Resource leak
SERVER-23526  Replication relies on storage engines reporting a non-zero size for correctness
SERVER-23588  mongod with WiredTiger won't start on Windows when built with --dbg=on --opt=off
SERVER-23682  WiredTiger changes for MongoDB 3.2.6
WT-2330       in-memory configurations should not create on-disk collection files
WT-2507       Add upgrading documentation in preparation for 2.8 release.
WT-2512       wtperf: MSVC complains about float conversion in throttle code
WT-2513       conversion from 'int64_t' to 'uint32_t'
WT-2517       wtperf uses setvbuf in a way that isn't supported on Windows
WT-2522       Incorrect format code in message
WT-2525       in-memory configurations: miscellaneous cleanups
WT-2527       OS X compile error, missing POSIX_FADV_WILLNEED #define
WT-2528       style error in WiredTiger build
WT-2529       The readonly test case is crashing with a stack overflow
WT-2531       in-memory tables are allocating unnecessary memory
WT-2532       WT_STREAM_APPEND and WT_STREAM_LINE_BUFFER flag overlap
WT-2533       Ensure that in-memory tables don't report a zero size
WT-2534       Invalid transaction snapshots on PowerPC

1 files changed, 57 insertions, 30 deletions

diff --git a/src/third_party/wiredtiger/src/include/os.h b/src/third_party/wiredtiger/src/include/os.h
index fbba7f05f88..2ff41d39f46 100644
--- a/src/third_party/wiredtiger/src/include/os.h
+++ b/src/third_party/wiredtiger/src/include/os.h
@@ -7,29 +7,6 @@
  */
 
 /*
- * FILE handle close/open configuration.
- */
-typedef enum {
-	WT_FHANDLE_APPEND, WT_FHANDLE_READ, WT_FHANDLE_WRITE
-} WT_FHANDLE_MODE;
-
-#ifdef	_WIN32
-/*
- * Open in binary (untranslated) mode; translations involving carriage-return
- * and linefeed characters are suppressed.
- */
-#define	WT_FOPEN_APPEND		"ab"
-#define	WT_FOPEN_READ		"rb"
-#define	WT_FOPEN_WRITE		"wb"
-#else
-#define	WT_FOPEN_APPEND		"a"
-#define	WT_FOPEN_READ		"r"
-#define	WT_FOPEN_WRITE		"w"
-#endif
-
-#define	WT_FOPEN_FIXED		0x1	/* Path isn't relative to home */
-
-/*
  * Number of directory entries can grow dynamically.
  */
 #define	WT_DIR_ENTRY	32
@@ -81,24 +58,52 @@ typedef enum {
 	     (t1).tv_nsec < (t2).tv_nsec ? -1 :				\
 	     (t1).tv_nsec == (t2).tv_nsec ? 0 : 1 : 1)
 
+/*
+ * The underlying OS calls return ENOTSUP if posix_fadvise functionality isn't
+ * available, but WiredTiger uses the POSIX flag names in the API. Use distinct
+ * values so the underlying code can distinguish.
+ */
+#ifndef	POSIX_FADV_DONTNEED
+#define	POSIX_FADV_DONTNEED	0x01
+#endif
+#ifndef	POSIX_FADV_WILLNEED
+#define	POSIX_FADV_WILLNEED	0x02
+#endif
+
+#define	WT_OPEN_CREATE		0x001	/* Create is OK */
+#define	WT_OPEN_EXCLUSIVE	0x002	/* Exclusive open */
+#define	WT_OPEN_FIXED		0x004	/* Path isn't relative to home */
+#define	WT_OPEN_READONLY	0x008	/* Readonly open */
+#define	WT_STREAM_APPEND	0x010	/* Open a stream: append */
+#define	WT_STREAM_LINE_BUFFER	0x020	/* Line buffer the stream */
+#define	WT_STREAM_READ		0x040	/* Open a stream: read */
+#define	WT_STREAM_WRITE		0x080	/* Open a stream: write */
+
 struct __wt_fh {
-	char	*name;				/* File name */
+	const char *name;			/* File name */
 	uint64_t name_hash;			/* Hash of name */
 	TAILQ_ENTRY(__wt_fh) q;			/* List of open handles */
 	TAILQ_ENTRY(__wt_fh) hashq;		/* Hashed list of handles */
 
 	u_int	ref;				/* Reference count */
 
-#ifndef _WIN32
-	int	 fd;				/* POSIX file handle */
-#else
+	/*
+	 * Underlying file system handle support.
+	 */
+#ifdef _WIN32
 	HANDLE filehandle;			/* Windows file handle */
 	HANDLE filehandle_secondary;		/* Windows file handle
 						   for file size changes */
+#else
+	int	 fd;				/* POSIX file handle */
 #endif
-	wt_off_t size;				/* File size */
-	wt_off_t extend_size;			/* File extended size */
-	wt_off_t extend_len;			/* File extend chunk size */
+	FILE	*fp;				/* ANSI C stdio handle */
+
+	/*
+	 * Underlying in-memory handle support.
+	 */
+	size_t	 off;				/* Read/write offset */
+	WT_ITEM  buf;				/* Data */
 
 	bool	 direct_io;			/* O_DIRECT configured */
 
@@ -109,4 +114,26 @@ struct __wt_fh {
 	    WT_FALLOCATE_STD,
 	    WT_FALLOCATE_SYS } fallocate_available;
 	bool fallocate_requires_locking;
+
+#define	WT_FH_FLUSH_ON_CLOSE	0x01		/* Flush when closing */
+#define	WT_FH_IN_MEMORY		0x02		/* In-memory, don't remove */
+	uint32_t flags;
+
+	int (*fh_advise)(WT_SESSION_IMPL *, WT_FH *, wt_off_t, wt_off_t, int);
+	int (*fh_allocate)(WT_SESSION_IMPL *, WT_FH *, wt_off_t, wt_off_t);
+	int (*fh_close)(WT_SESSION_IMPL *, WT_FH *);
+	int (*fh_getc)(WT_SESSION_IMPL *, WT_FH *, int *);
+	int (*fh_lock)(WT_SESSION_IMPL *, WT_FH *, bool);
+	int (*fh_map)(WT_SESSION_IMPL *, WT_FH *, void *, size_t *, void **);
+	int (*fh_map_discard)(WT_SESSION_IMPL *, WT_FH *, void *, size_t);
+	int (*fh_map_preload)(WT_SESSION_IMPL *, WT_FH *, const void *, size_t);
+	int (*fh_map_unmap)(
+	    WT_SESSION_IMPL *, WT_FH *, void *, size_t, void **);
+	int (*fh_printf)(WT_SESSION_IMPL *, WT_FH *, const char *, va_list);
+	int (*fh_read)(WT_SESSION_IMPL *, WT_FH *, wt_off_t, size_t, void *);
+	int (*fh_size)(WT_SESSION_IMPL *, WT_FH *, wt_off_t *);
+	int (*fh_sync)(WT_SESSION_IMPL *, WT_FH *, bool);
+	int (*fh_truncate)(WT_SESSION_IMPL *, WT_FH *, wt_off_t);
+	int (*fh_write)(
+	    WT_SESSION_IMPL *, WT_FH *, wt_off_t, size_t, const void *);
 };