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authorTimothy Pearson <[email protected]>2011-11-08 12:31:36 -0600
committerTimothy Pearson <[email protected]>2011-11-08 12:31:36 -0600
commitd796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch)
tree6e3dcca4f77e20ec8966c666aac7c35bd4704053 /src/3rdparty/sqlite/os.h
downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
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+/*
+** 2001 September 16
+**
+** 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 (together with is companion C source-code file
+** "os.c") attempt to abstract the underlying operating system so that
+** the SQLite library will work on both POSIX and windows systems.
+*/
+#ifndef _SQLITE_OS_H_
+#define _SQLITE_OS_H_
+
+#include "config.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
+
+/*
+** Temporary files are named starting with this prefix followed by 16 random
+** alphanumeric characters, and no file extension. They are stored in the
+** OS's standard temporary file directory, and are deleted prior to exit.
+** If sqlite is being embedded in another program, you may wish to change the
+** prefix to reflect your program's name, so that if your program exits
+** prematurely, old temporary files can be easily identified. This can be done
+** using -DTEMP_FILE_PREFIX=myprefix_ on the compiler command line.
+*/
+#ifndef TEMP_FILE_PREFIX
+# define TEMP_FILE_PREFIX "sqlite_"
+#endif
+
+/*
+** Figure out if we are dealing with Unix, Windows or MacOS.
+**
+** N.B. MacOS means Mac Classic (or Carbon). Treat Darwin (OS X) as Unix.
+** The MacOS build is designed to use CodeWarrior (tested with v8)
+*/
+#ifndef OS_UNIX
+# ifndef OS_WIN
+# ifndef OS_MAC
+# if defined(__MACOS__)
+# define OS_MAC 1
+# define OS_WIN 0
+# define OS_UNIX 0
+# elif defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__BORLANDC__)
+# define OS_MAC 0
+# define OS_WIN 1
+# define OS_UNIX 0
+# else
+# define OS_MAC 0
+# define OS_WIN 0
+# define OS_UNIX 1
+# endif
+# else
+# define OS_WIN 0
+# define OS_UNIX 0
+# endif
+# else
+# define OS_MAC 0
+# define OS_UNIX 0
+# endif
+#else
+# define OS_MAC 0
+# ifndef OS_WIN
+# define OS_WIN 0
+# endif
+#endif
+
+/*
+** A handle for an open file is stored in an OsFile object.
+*/
+#if OS_UNIX
+# include <sys/types.h>
+# include <sys/stat.h>
+# include <fcntl.h>
+# include <unistd.h>
+ typedef struct OsFile OsFile;
+ struct OsFile {
+ struct openCnt *pOpen; /* Info about all open fd's on this inode */
+ struct lockInfo *pLock; /* Info about locks on this inode */
+ int fd; /* The file descriptor */
+ int locked; /* True if this instance holds the lock */
+ int dirfd; /* File descriptor for the directory */
+ };
+# define SQLITE_TEMPNAME_SIZE 200
+# if defined(HAVE_USLEEP) && HAVE_USLEEP
+# define SQLITE_MIN_SLEEP_MS 1
+# else
+# define SQLITE_MIN_SLEEP_MS 1000
+# endif
+#endif
+
+#if OS_WIN
+#include <windows.h>
+#include <winbase.h>
+ typedef struct OsFile OsFile;
+ struct OsFile {
+ HANDLE h; /* Handle for accessing the file */
+ int locked; /* 0: unlocked, <0: write lock, >0: read lock */
+ };
+# if defined(_MSC_VER) || defined(__BORLANDC__)
+ typedef __int64 off_t;
+# else
+# if !defined(_CYGWIN_TYPES_H)
+ typedef long long off_t;
+# if defined(__MINGW32__)
+# define _OFF_T_
+# endif
+# endif
+# endif
+# define SQLITE_TEMPNAME_SIZE (MAX_PATH+50)
+# define SQLITE_MIN_SLEEP_MS 1
+#endif
+
+#if OS_MAC
+# include <unistd.h>
+# include <Files.h>
+ typedef struct OsFile OsFile;
+ struct OsFile {
+ SInt16 refNum; /* Data fork/file reference number */
+ SInt16 refNumRF; /* Resource fork reference number (for locking) */
+ int locked; /* 0: unlocked, <0: write lock, >0: read lock */
+ int delOnClose; /* True if file is to be deleted on close */
+ char *pathToDel; /* Name of file to delete on close */
+ };
+# ifdef _LARGE_FILE
+ typedef SInt64 off_t;
+# else
+ typedef SInt32 off_t;
+# endif
+# define SQLITE_TEMPNAME_SIZE _MAX_PATH
+# define SQLITE_MIN_SLEEP_MS 17
+#endif
+
+int sqliteOsDelete(const char*);
+int sqliteOsFileExists(const char*);
+int sqliteOsFileRename(const char*, const char*);
+int sqliteOsOpenReadWrite(const char*, OsFile*, int*);
+int sqliteOsOpenExclusive(const char*, OsFile*, int);
+int sqliteOsOpenReadOnly(const char*, OsFile*);
+int sqliteOsOpenDirectory(const char*, OsFile*);
+int sqliteOsTempFileName(char*);
+int sqliteOsClose(OsFile*);
+int sqliteOsRead(OsFile*, void*, int amt);
+int sqliteOsWrite(OsFile*, const void*, int amt);
+int sqliteOsSeek(OsFile*, off_t offset);
+int sqliteOsSync(OsFile*);
+int sqliteOsTruncate(OsFile*, off_t size);
+int sqliteOsFileSize(OsFile*, off_t *pSize);
+int sqliteOsReadLock(OsFile*);
+int sqliteOsWriteLock(OsFile*);
+int sqliteOsUnlock(OsFile*);
+int sqliteOsRandomSeed(char*);
+int sqliteOsSleep(int ms);
+int sqliteOsCurrentTime(double*);
+void sqliteOsEnterMutex(void);
+void sqliteOsLeaveMutex(void);
+char *sqliteOsFullPathname(const char*);
+
+
+
+#endif /* _SQLITE_OS_H_ */