4 ** The author disclaims copyright to this source code. In place of
5 ** a legal notice, here is a blessing:
7 ** May you do good and not evil.
8 ** May you find forgiveness for yourself and forgive others.
9 ** May you share freely, never taking more than you give.
11 ******************************************************************************
13 ** This header file defined OS-specific features for OS/2.
15 #ifndef _SQLITE_OS_OS2_H_
16 #define _SQLITE_OS_OS2_H_
19 ** standard include files.
21 #include <sys/types.h>
27 ** Macros used to determine whether or not to use threads. The
28 ** SQLITE_UNIX_THREADS macro is defined if we are synchronizing for
29 ** Posix threads and SQLITE_W32_THREADS is defined if we are
30 ** synchronizing using Win32 threads.
32 /* this mutex implementation only available with EMX */
33 #if defined(THREADSAFE) && THREADSAFE
34 # include <sys/builtin.h>
35 # include <sys/smutex.h>
36 # define SQLITE_OS2_THREADS 1
40 ** The OsFile structure is a operating-system independing representation
41 ** of an open file handle. It is defined differently for each architecture.
43 ** This is the definition for Unix.
45 ** OsFile.locktype takes one of the values SHARED_LOCK, RESERVED_LOCK,
46 ** PENDING_LOCK or EXCLUSIVE_LOCK.
48 typedef struct OsFile OsFile;
50 int h; /* The file descriptor (LHANDLE) */
51 int locked; /* True if this user holds the lock */
52 int delOnClose; /* True if file is to be deleted on close */
53 char *pathToDel; /* Name of file to delete on close */
54 unsigned char locktype; /* The type of lock held on this fd */
55 unsigned char isOpen; /* True if needs to be closed */
56 unsigned char fullSync;
60 ** Maximum number of characters in a temporary file name
62 #define SQLITE_TEMPNAME_SIZE 200
65 ** Minimum interval supported by sqlite3OsSleep().
67 #define SQLITE_MIN_SLEEP_MS 1
69 #ifndef SQLITE_DEFAULT_FILE_PERMISSIONS
70 # define SQLITE_DEFAULT_FILE_PERMISSIONS 0600
73 #endif /* _SQLITE_OS_OS2_H_ */