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Overview
Comment: | Document the SQLiteMemory class. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | virtualTables |
Files: | files | file ages | folders |
SHA1: |
3b2c842774dd4d53448e7274d79d332c |
User & Date: | mistachkin 2013-06-25 06:58:42.428 |
Context
2013-06-25
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07:44 | Document the SQLiteString class. In the SQLiteString.ProbeForUtf8ByteLength method, make sure the limit is greater than zero. check-in: 3fbdd30433 user: mistachkin tags: virtualTables | |
06:58 | Document the SQLiteMemory class. check-in: 3b2c842774 user: mistachkin tags: virtualTables | |
06:40 | More work on docs. check-in: f31a811fbb user: mistachkin tags: virtualTables | |
Changes
Changes to Doc/buildChm.tcl.
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83 84 85 86 87 88 89 | set data [readFile $xmlDocFile] set count 0 set pattern { cref="([A-Z]):System\.Data\.SQLite\.} incr count [regsub -all -- $pattern $data { cref="\1:system.Data.SQLite.} data] | < < < | 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | set data [readFile $xmlDocFile] set count 0 set pattern { cref="([A-Z]):System\.Data\.SQLite\.} incr count [regsub -all -- $pattern $data { cref="\1:system.Data.SQLite.} data] if {$count > 0} then { writeFile $xmlDocFile $data } else { puts stdout "*WARNING* File \"$xmlDocFile\" does not match: $pattern" } # |
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Changes to System.Data.SQLite/SQLiteModule.cs.
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3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 | ); } #endregion /////////////////////////////////////////////////////////////////////////// #region SQLiteMemory Static Class internal static class SQLiteMemory { #region Private Data #if TRACK_MEMORY_BYTES private static object syncRoot = new object(); /////////////////////////////////////////////////////////////////////// private static int bytesAllocated; private static int maximumBytesAllocated; #endif #endregion /////////////////////////////////////////////////////////////////////// #region Memory Allocation Helper Methods public static IntPtr Allocate(int size) { IntPtr pMemory = UnsafeNativeMethods.sqlite3_malloc(size); #if TRACK_MEMORY_BYTES if (pMemory != IntPtr.Zero) { | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 | ); } #endregion /////////////////////////////////////////////////////////////////////////// #region SQLiteMemory Static Class /// <summary> /// This class contains static methods that are used to allocate, /// manipulate, and free native memory provided by the SQLite core library. /// </summary> internal static class SQLiteMemory { #region Private Data #if TRACK_MEMORY_BYTES /// <summary> /// This object instance is used to synchronize access to the other /// static fields of this class. /// </summary> private static object syncRoot = new object(); /////////////////////////////////////////////////////////////////////// /// <summary> /// The total number of outstanding memory bytes allocated by this /// class using the SQLite core library. /// </summary> private static int bytesAllocated; /////////////////////////////////////////////////////////////////////// /// <summary> /// The maximum number of outstanding memory bytes ever allocated by /// this class using the SQLite core library. /// </summary> private static int maximumBytesAllocated; #endif #endregion /////////////////////////////////////////////////////////////////////// #region Memory Allocation Helper Methods /// <summary> /// Allocates at least the specified number of bytes of native memory /// via the SQLite core library sqlite3_malloc() function and returns /// the resulting native pointer. /// </summary> /// <param name="size"> /// The number of bytes to allocate. /// </param> /// <returns> /// The native pointer that points to a block of memory of at least the /// specified size -OR- <see cref="IntPtr.Zero" /> if the memory could /// not be allocated. /// </returns> public static IntPtr Allocate(int size) { IntPtr pMemory = UnsafeNativeMethods.sqlite3_malloc(size); #if TRACK_MEMORY_BYTES if (pMemory != IntPtr.Zero) { |
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3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 | #endif return pMemory; } /////////////////////////////////////////////////////////////////////// public static int Size(IntPtr pMemory) { #if !SQLITE_STANDARD return UnsafeNativeMethods.sqlite3_malloc_size_interop(pMemory); #else return 0; #endif } /////////////////////////////////////////////////////////////////////// public static void Free(IntPtr pMemory) { #if TRACK_MEMORY_BYTES if (pMemory != IntPtr.Zero) { int blockSize = Size(pMemory); | > > > > > > > > > > > > > > > > > > > > | 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 | #endif return pMemory; } /////////////////////////////////////////////////////////////////////// /// <summary> /// Gets and returns the actual size of the specified memory block that /// was previously obtained from the <see cref="Allocate" /> method. /// </summary> /// <param name="pMemory"> /// The native pointer to the memory block previously obtained from the /// <see cref="Allocate" /> method. /// </param> /// <returns> /// The actual size, in bytes, of the memory block specified via the /// native pointer. /// </returns> public static int Size(IntPtr pMemory) { #if !SQLITE_STANDARD return UnsafeNativeMethods.sqlite3_malloc_size_interop(pMemory); #else return 0; #endif } /////////////////////////////////////////////////////////////////////// /// <summary> /// Frees a memory block previously obtained from the /// <see cref="Allocate" /> method. /// </summary> /// <param name="pMemory"> /// The native pointer to the memory block previously obtained from the /// <see cref="Allocate" /> method. /// </param> public static void Free(IntPtr pMemory) { #if TRACK_MEMORY_BYTES if (pMemory != IntPtr.Zero) { int blockSize = Size(pMemory); |
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