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体验新版 GitCode,发现更多精彩内容 >>
提交
e0a3ced7
编写于
11月 15, 2013
作者:
xpxyr
提交者:
geniusgogo
11月 30, 2013
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差异文件
add rtt complie macro SQLITE_OS_RTT
上级
a186d329
变更
1
隐藏空白更改
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1 changed file
with
16 addition
and
14 deletion
+16
-14
components/external/SQLite-3.8.1/src/os.h
components/external/SQLite-3.8.1/src/os.h
+16
-14
未找到文件。
components/external/SQLite-3.8.1/src/os.h
浏览文件 @
e0a3ced7
...
...
@@ -23,8 +23,8 @@
/*
** Figure out if we are dealing with Unix, Windows, or some other
** operating system. After the following block of preprocess macros,
** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, and SQLITE_OS_OTHER
** will defined to either 1 or 0. One of the four will be 1. The other
** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, and SQLITE_OS_OTHER
** will defined to either 1 or 0. One of the four will be 1. The other
** three will be 0.
*/
#if defined(SQLITE_OS_OTHER)
...
...
@@ -33,6 +33,8 @@
# define SQLITE_OS_UNIX 0
# undef SQLITE_OS_WIN
# define SQLITE_OS_WIN 0
# undef SQLITE_OS_RTT
# define SQLITE_OS_RTT 1
# else
# undef SQLITE_OS_OTHER
# endif
...
...
@@ -125,10 +127,10 @@
** 2006-10-31: The default prefix used to be "sqlite_". But then
** Mcafee started using SQLite in their anti-virus product and it
** started putting files with the "sqlite" name in the c:/temp folder.
** This annoyed many windows users. Those users would then do a
** This annoyed many windows users. Those users would then do a
** Google search for "sqlite", find the telephone numbers of the
** developers and call to wake them up at night and complain.
** For this reason, the default name prefix is changed to be "sqlite"
** For this reason, the default name prefix is changed to be "sqlite"
** spelled backwards. So the temp files are still identified, but
** anybody smart enough to figure out the code is also likely smart
** enough to know that calling the developer will not help get rid
...
...
@@ -169,9 +171,9 @@
** UnlockFile().
**
** LockFile() prevents not just writing but also reading by other processes.
** A SHARED_LOCK is obtained by locking a single randomly-chosen
** byte out of a specific range of bytes. The lock byte is obtained at
** random so two separate readers can probably access the file at the
** A SHARED_LOCK is obtained by locking a single randomly-chosen
** byte out of a specific range of bytes. The lock byte is obtained at
** random so two separate readers can probably access the file at the
** same time, unless they are unlucky and choose the same lock byte.
** An EXCLUSIVE_LOCK is obtained by locking all bytes in the range.
** There can only be one writer. A RESERVED_LOCK is obtained by locking
...
...
@@ -190,7 +192,7 @@
** The following #defines specify the range of bytes used for locking.
** SHARED_SIZE is the number of bytes available in the pool from which
** a random byte is selected for a shared lock. The pool of bytes for
** shared locks begins at SHARED_FIRST.
** shared locks begins at SHARED_FIRST.
**
** The same locking strategy and
** byte ranges are used for Unix. This leaves open the possiblity of having
...
...
@@ -206,7 +208,7 @@
** that all locks will fit on a single page even at the minimum page size.
** PENDING_BYTE defines the beginning of the locks. By default PENDING_BYTE
** is set high so that we don't have to allocate an unused page except
** for very large databases. But one should test the page skipping logic
** for very large databases. But one should test the page skipping logic
** by setting PENDING_BYTE low and running the entire regression suite.
**
** Changing the value of PENDING_BYTE results in a subtly incompatible
...
...
@@ -230,8 +232,8 @@
*/
int
sqlite3OsInit
(
void
);
/*
** Functions for accessing sqlite3_file methods
/*
** Functions for accessing sqlite3_file methods
*/
int
sqlite3OsClose
(
sqlite3_file
*
);
int
sqlite3OsRead
(
sqlite3_file
*
,
void
*
,
int
amt
,
i64
offset
);
...
...
@@ -255,8 +257,8 @@ int sqlite3OsFetch(sqlite3_file *id, i64, int, void **);
int
sqlite3OsUnfetch
(
sqlite3_file
*
,
i64
,
void
*
);
/*
** Functions for accessing sqlite3_vfs methods
/*
** Functions for accessing sqlite3_vfs methods
*/
int
sqlite3OsOpen
(
sqlite3_vfs
*
,
const
char
*
,
sqlite3_file
*
,
int
,
int
*
);
int
sqlite3OsDelete
(
sqlite3_vfs
*
,
const
char
*
,
int
);
...
...
@@ -273,7 +275,7 @@ int sqlite3OsSleep(sqlite3_vfs *, int);
int
sqlite3OsCurrentTimeInt64
(
sqlite3_vfs
*
,
sqlite3_int64
*
);
/*
** Convenience functions for opening and closing files using
** Convenience functions for opening and closing files using
** sqlite3_malloc() to obtain space for the file-handle structure.
*/
int
sqlite3OsOpenMalloc
(
sqlite3_vfs
*
,
const
char
*
,
sqlite3_file
**
,
int
,
int
*
);
...
...
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