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1 /* |
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2 ** 2004 May 22 |
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3 ** |
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4 ** The author disclaims copyright to this source code. In place of |
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5 ** a legal notice, here is a blessing: |
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6 ** |
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7 ** May you do good and not evil. |
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8 ** May you find forgiveness for yourself and forgive others. |
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9 ** May you share freely, never taking more than you give. |
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10 ** |
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11 ****************************************************************************** |
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12 ** |
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13 ** This header file defined OS-specific features for OS/2. |
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14 */ |
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15 #ifndef _SQLITE_OS_OS2_H_ |
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16 #define _SQLITE_OS_OS2_H_ |
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17 |
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18 /* |
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19 ** standard include files. |
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20 */ |
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21 #include <sys/types.h> |
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22 #include <sys/stat.h> |
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23 #include <fcntl.h> |
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24 #include <unistd.h> |
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25 |
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26 /* |
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27 ** Macros used to determine whether or not to use threads. The |
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28 ** SQLITE_UNIX_THREADS macro is defined if we are synchronizing for |
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29 ** Posix threads and SQLITE_W32_THREADS is defined if we are |
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30 ** synchronizing using Win32 threads. |
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31 */ |
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32 /* this mutex implementation only available with EMX */ |
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33 #if defined(THREADSAFE) && THREADSAFE |
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34 # include <sys/builtin.h> |
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35 # include <sys/smutex.h> |
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36 # define SQLITE_OS2_THREADS 1 |
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37 #endif |
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38 |
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39 /* |
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40 ** The OsFile structure is a operating-system independing representation |
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41 ** of an open file handle. It is defined differently for each architecture. |
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42 ** |
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43 ** This is the definition for Unix. |
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44 ** |
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45 ** OsFile.locktype takes one of the values SHARED_LOCK, RESERVED_LOCK, |
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46 ** PENDING_LOCK or EXCLUSIVE_LOCK. |
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47 */ |
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48 typedef struct OsFile OsFile; |
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49 struct OsFile { |
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50 int h; /* The file descriptor (LHANDLE) */ |
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51 int locked; /* True if this user holds the lock */ |
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52 int delOnClose; /* True if file is to be deleted on close */ |
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53 char *pathToDel; /* Name of file to delete on close */ |
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54 unsigned char locktype; /* The type of lock held on this fd */ |
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55 unsigned char isOpen; /* True if needs to be closed */ |
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56 unsigned char fullSync; |
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57 }; |
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58 |
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59 /* |
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60 ** Maximum number of characters in a temporary file name |
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61 */ |
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62 #define SQLITE_TEMPNAME_SIZE 200 |
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63 |
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64 /* |
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65 ** Minimum interval supported by sqlite3OsSleep(). |
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66 */ |
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67 #define SQLITE_MIN_SLEEP_MS 1 |
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68 |
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69 #ifndef SQLITE_DEFAULT_FILE_PERMISSIONS |
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70 # define SQLITE_DEFAULT_FILE_PERMISSIONS 0600 |
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71 #endif |
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72 |
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73 #endif /* _SQLITE_OS_OS2_H_ */ |