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diff --git a/ext/pdo_sqlite/sqlite/src/os_unix.h b/ext/pdo_sqlite/sqlite/src/os_unix.h
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-/*
-** 2004 May 22
-**
-** The author disclaims copyright to this source code. In place of
-** a legal notice, here is a blessing:
-**
-** May you do good and not evil.
-** May you find forgiveness for yourself and forgive others.
-** May you share freely, never taking more than you give.
-**
-******************************************************************************
-**
-** This header file defined OS-specific features for Unix.
-*/
-#ifndef _SQLITE_OS_UNIX_H_
-#define _SQLITE_OS_UNIX_H_
-
-/*
-** Helpful hint: To get this to compile on HP/UX, add -D_INCLUDE_POSIX_SOURCE
-** to the compiler command line.
-*/
-
-/*
-** These #defines should enable >2GB file support on Posix if the
-** underlying operating system supports it. If the OS lacks
-** large file support, or if the OS is windows, these should be no-ops.
-**
-** Large file support can be disabled using the -DSQLITE_DISABLE_LFS switch
-** on the compiler command line. This is necessary if you are compiling
-** on a recent machine (ex: RedHat 7.2) but you want your code to work
-** on an older machine (ex: RedHat 6.0). If you compile on RedHat 7.2
-** without this option, LFS is enable. But LFS does not exist in the kernel
-** in RedHat 6.0, so the code won't work. Hence, for maximum binary
-** portability you should omit LFS.
-**
-** Similar is true for MacOS. LFS is only supported on MacOS 9 and later.
-*/
-#ifndef SQLITE_DISABLE_LFS
-# define _LARGE_FILE 1
-# ifndef _FILE_OFFSET_BITS
-# define _FILE_OFFSET_BITS 64
-# endif
-# define _LARGEFILE_SOURCE 1
-#endif
-
-/*
-** standard include files.
-*/
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-/*
-** The OsFile structure is a operating-system independing representation
-** of an open file handle. It is defined differently for each architecture.
-**
-** This is the definition for Unix.
-**
-** OsFile.locktype takes one of the values SHARED_LOCK, RESERVED_LOCK,
-** PENDING_LOCK or EXCLUSIVE_LOCK.
-*/
-typedef struct OsFile OsFile;
-struct OsFile {
- struct Pager *pPager; /* The pager that owns this OsFile. Might be 0 */
- struct openCnt *pOpen; /* Info about all open fd's on this inode */
- struct lockInfo *pLock; /* Info about locks on this inode */
- int h; /* The file descriptor */
- unsigned char locktype; /* The type of lock held on this fd */
- unsigned char isOpen; /* True if needs to be closed */
- unsigned char fullSync; /* Use F_FULLSYNC if available */
- int dirfd; /* File descriptor for the directory */
-};
-
-/*
-** A macro to set the OsFile.fullSync flag, if it exists.
-*/
-#define SET_FULLSYNC(x,y) ((x).fullSync = (y))
-
-/*
-** Maximum number of characters in a temporary file name
-*/
-#define SQLITE_TEMPNAME_SIZE 200
-
-/*
-** Minimum interval supported by sqlite3OsSleep().
-*/
-#if defined(HAVE_USLEEP) && HAVE_USLEEP
-# define SQLITE_MIN_SLEEP_MS 1
-#else
-# define SQLITE_MIN_SLEEP_MS 1000
-#endif
-
-/*
-** Default permissions when creating a new file
-*/
-#ifndef SQLITE_DEFAULT_FILE_PERMISSIONS
-# define SQLITE_DEFAULT_FILE_PERMISSIONS 0644
-#endif
-
-
-#endif /* _SQLITE_OS_UNIX_H_ */