/*

** 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 OS/2.

*/

#ifndef _SQLITE_OS_OS2_H_

#define _SQLITE_OS_OS2_H_

/*

** standard include files.

*/

#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <unistd.h>

/*

** Macros used to determine whether or not to use threads.  The

** SQLITE_UNIX_THREADS macro is defined if we are synchronizing for

** Posix threads and SQLITE_W32_THREADS is defined if we are

** synchronizing using Win32 threads.

*/

/* this mutex implementation only available with EMX */

#if defined(THREADSAFE) && THREADSAFE

# include <sys/builtin.h>

# include <sys/smutex.h>

# define SQLITE_OS2_THREADS 1

#endif

/*

** 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 {

     int h;        /* The file descriptor (LHANDLE) */

     int locked;              /* True if this user holds the lock */

     int delOnClose;          /* True if file is to be deleted on close */

     char *pathToDel;         /* Name of file to delete on close */

     unsigned char locktype;   /* The type of lock held on this fd */

     unsigned char isOpen;   /* True if needs to be closed */

     unsigned char fullSync;

};

/*

** Maximum number of characters in a temporary file name

*/

#define SQLITE_TEMPNAME_SIZE 200

/*

** Minimum interval supported by sqlite3OsSleep().

*/

#define SQLITE_MIN_SLEEP_MS 1

#ifndef SQLITE_DEFAULT_FILE_PERMISSIONS

# define SQLITE_DEFAULT_FILE_PERMISSIONS 0600

#endif

#endif /* _SQLITE_OS_OS2_H_ */