74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/*
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** 2004 May 22
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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******************************************************************************
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**
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** This header file defined OS-specific features for OS/2.
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*/
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#ifndef _SQLITE_OS_OS2_H_
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#define _SQLITE_OS_OS2_H_
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/*
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** standard include files.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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/*
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** Macros used to determine whether or not to use threads. The
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** SQLITE_UNIX_THREADS macro is defined if we are synchronizing for
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** Posix threads and SQLITE_W32_THREADS is defined if we are
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** synchronizing using Win32 threads.
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*/
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/* this mutex implementation only available with EMX */
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#if defined(THREADSAFE) && THREADSAFE
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# include <sys/builtin.h>
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# include <sys/smutex.h>
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# define SQLITE_OS2_THREADS 1
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#endif
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/*
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** The OsFile structure is a operating-system independing representation
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** of an open file handle. It is defined differently for each architecture.
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**
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** This is the definition for Unix.
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**
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** OsFile.locktype takes one of the values SHARED_LOCK, RESERVED_LOCK,
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** PENDING_LOCK or EXCLUSIVE_LOCK.
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*/
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typedef struct OsFile OsFile;
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struct OsFile {
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int h; /* The file descriptor (LHANDLE) */
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int locked; /* True if this user holds the lock */
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int delOnClose; /* True if file is to be deleted on close */
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char *pathToDel; /* Name of file to delete on close */
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unsigned char locktype; /* The type of lock held on this fd */
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unsigned char isOpen; /* True if needs to be closed */
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unsigned char fullSync;
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};
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/*
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** Maximum number of characters in a temporary file name
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*/
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#define SQLITE_TEMPNAME_SIZE 200
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/*
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** Minimum interval supported by sqlite3OsSleep().
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*/
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#define SQLITE_MIN_SLEEP_MS 1
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#ifndef SQLITE_DEFAULT_FILE_PERMISSIONS
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# define SQLITE_DEFAULT_FILE_PERMISSIONS 0600
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#endif
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#endif /* _SQLITE_OS_OS2_H_ */
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