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Overview
Comment: | Work in progress porting lsm1 to Win32. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | lsm-vtab |
Files: | files | file ages | folders |
SHA3-256: |
2017636e93cf810fe4d1247c18de9f31 |
User & Date: | mistachkin 2017-06-27 05:59:47.975 |
Context
2017-06-27
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06:28 | Minor corrections to the previous check-in. (check-in: e1cf8a78a0 user: mistachkin tags: lsm-vtab) | |
05:59 | Work in progress porting lsm1 to Win32. (check-in: 2017636e93 user: mistachkin tags: lsm-vtab) | |
2017-06-26
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11:46 | Remove an invalid assert() from lsm test code. (check-in: ca8a7e995c user: dan tags: lsm-vtab) | |
Changes
Changes to Makefile.msc.
︙ | ︙ | |||
2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 | dbselftest.exe: $(TOP)\test\dbselftest.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) $(DBSELFTEST_COMPILE_OPTS) $(TOP)\test\dbselftest.c $(SQLITE3C) rbu.exe: $(TOP)\ext\rbu\rbu.c $(TOP)\ext\rbu\sqlite3rbu.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_ENABLE_RBU \ $(TOP)\ext\rbu\rbu.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) moreclean: clean del /Q $(SQLITE3C) $(SQLITE3H) 2>NUL # <</mark>> clean: del /Q *.exp *.lo *.ilk *.lib *.obj *.ncb *.pdb *.sdf *.suo 2>NUL del /Q *.bsc *.def *.cod *.da *.bb *.bbg *.vc gmon.out 2>NUL | > > > | 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 | dbselftest.exe: $(TOP)\test\dbselftest.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) $(DBSELFTEST_COMPILE_OPTS) $(TOP)\test\dbselftest.c $(SQLITE3C) rbu.exe: $(TOP)\ext\rbu\rbu.c $(TOP)\ext\rbu\sqlite3rbu.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_ENABLE_RBU \ $(TOP)\ext\rbu\rbu.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) LSMDIR=$(TOP)\ext\lsm1 !INCLUDE $(LSMDIR)\Makefile.msc moreclean: clean del /Q $(SQLITE3C) $(SQLITE3H) 2>NUL # <</mark>> clean: del /Q *.exp *.lo *.ilk *.lib *.obj *.ncb *.pdb *.sdf *.suo 2>NUL del /Q *.bsc *.def *.cod *.da *.bb *.bbg *.vc gmon.out 2>NUL |
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Added ext/lsm1/Makefile.msc.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | # # This Makefile is designed for use with main.mk in the root directory of # this project. After including main.mk, the users makefile should contain: # # LSMDIR=$(TOP)\ext\lsm1\ # include $(LSMDIR)\Makefile.msc # # The most useful targets are [lsmtest.exe] and [lsm.dll]. # LSMOBJ = \ lsm_ckpt.lo \ lsm_file.lo \ lsm_log.lo \ lsm_main.lo \ lsm_mem.lo \ lsm_mutex.lo \ lsm_shared.lo \ lsm_sorted.lo \ lsm_str.lo \ lsm_tree.lo \ lsm_unix.lo \ lsm_win32.lo \ lsm_varint.lo \ lsm_vtab.lo LSMHDR = \ $(LSMDIR)\lsm.h \ $(LSMDIR)\lsmInt.h LSMTESTSRC = $(LSMDIR)\lsm-test\lsmtest1.c $(LSMDIR)\lsm-test\lsmtest2.c \ $(LSMDIR)\lsm-test\lsmtest3.c $(LSMDIR)\lsm-test\lsmtest4.c \ $(LSMDIR)\lsm-test\lsmtest5.c $(LSMDIR)\lsm-test\lsmtest6.c \ $(LSMDIR)\lsm-test\lsmtest7.c $(LSMDIR)\lsm-test\lsmtest8.c \ $(LSMDIR)\lsm-test\lsmtest9.c \ $(LSMDIR)\lsm-test\lsmtest_datasource.c \ $(LSMDIR)\lsm-test\lsmtest_func.c $(LSMDIR)\lsm-test\lsmtest_io.c \ $(LSMDIR)\lsm-test\lsmtest_main.c $(LSMDIR)\lsm-test\lsmtest_mem.c \ $(LSMDIR)\lsm-test\lsmtest_tdb.c $(LSMDIR)\lsm-test\lsmtest_tdb3.c \ $(LSMDIR)\lsm-test\lsmtest_util.c # all: lsm.dll LSMOPTS = -DLSM_MUTEX_WIN32=1 -I$(LSMDIR) lsm_ckpt.lo: $(LSMDIR)\lsm_ckpt.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_ckpt.c lsm_file.lo: $(LSMDIR)\lsm_file.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_file.c lsm_log.lo: $(LSMDIR)\lsm_log.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_log.c lsm_main.lo: $(LSMDIR)\lsm_main.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_main.c lsm_mem.lo: $(LSMDIR)\lsm_mem.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_mem.c lsm_mutex.lo: $(LSMDIR)\lsm_mutex.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_mutex.c lsm_shared.lo: $(LSMDIR)\lsm_shared.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_shared.c lsm_sorted.lo: $(LSMDIR)\lsm_sorted.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_sorted.c lsm_str.lo: $(LSMDIR)\lsm_str.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_str.c lsm_tree.lo: $(LSMDIR)\lsm_tree.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_tree.c lsm_unix.lo: $(LSMDIR)\lsm_unix.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_unix.c lsm_win32.lo: $(LSMDIR)\lsm_win32.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_win32.c lsm_varint.lo: $(LSMDIR)\lsm_varint.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_varint.c lsm_vtab.lo: $(LSMDIR)\lsm_vtab.c $(LSMHDR) $(SQLITE3H) $(LTCOMPILE) $(LSMOPTS) -c $(LSMDIR)\lsm_vtab.c lsm.dll: $(LSMOBJ) $(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /VERBOSE /DLL /OUT:$@ $(LSMOBJ) lsmtest.exe: $(LSMOBJ) $(LSMTESTSRC) $(LSMTESTHDR) $(LIBOBJS1) # $(LTCOMPILE) -c $(TOP)\lsm-test\lsmtest_tdb2.cc $(LTCOMPILE) $(LSMOPTS) $(LSMTESTSRC) $(LSMOBJ) $(LIBOBJS1) -Fe$@ |
Changes to ext/lsm1/lsmInt.h.
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19 20 21 22 23 24 25 | #include <string.h> #include <stdarg.h> #include <stdlib.h> #include <stdio.h> #include <ctype.h> | > > > | > | 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #include <string.h> #include <stdarg.h> #include <stdlib.h> #include <stdio.h> #include <ctype.h> #ifdef _WIN32 # define snprintf _snprintf #else # include <unistd.h> #endif #ifdef NDEBUG # ifdef LSM_DEBUG_EXPENSIVE # undef LSM_DEBUG_EXPENSIVE # endif # ifdef LSM_DEBUG # undef LSM_DEBUG |
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Changes to ext/lsm1/lsm_file.c.
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2081 2082 2083 2084 2085 2086 2087 | Snapshot *pSnapshot, Level *pLvl, int bDefer, Page **ppOut ){ int rc = LSM_OK; Page *pPg = 0; | < > | 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 | Snapshot *pSnapshot, Level *pLvl, int bDefer, Page **ppOut ){ int rc = LSM_OK; Page *pPg = 0; int iApp = 0; int iNext = 0; Segment *p = &pLvl->lhs; int iPrev = p->iLastPg; *ppOut = 0; assert( p->pRedirect==0 ); if( pFS->pCompress || bDefer ){ /* In compressed database mode the page is not assigned a page number ** or location in the database file at this point. This will be done ** by the lsmFsPagePersist() call. */ rc = fsPageBuffer(pFS, &pPg); |
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Changes to ext/lsm1/lsm_unix.c.
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9 10 11 12 13 14 15 | ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** Unix-specific run-time environment implementation for LSM. */ | | | 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** Unix-specific run-time environment implementation for LSM. */ #ifndef _WIN32 #if defined(__GNUC__) || defined(__TINYC__) /* workaround for ftruncate() visibility on gcc. */ # ifndef _XOPEN_SOURCE # define _XOPEN_SOURCE 500 # endif #endif |
︙ | ︙ |
Changes to ext/lsm1/lsm_win32.c.
1 2 3 4 5 6 7 8 9 10 11 12 | /* ** 2011-12-03 ** ** 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. ** ************************************************************************* ** | | | < < < < < < < < < < < < | < | | > | > > | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | | | | > > > > > > | > > | | > > | > > > > > > | | | | | | | | | | > | | > > | | | | | | | | | | | | | | | < | | > > > > | | < > > > > | < > > | > | > > > > > | > | | | | | < < | < | < > > > | | | | | | | < | | > > > | | < < | | > | < < | | > > < | | < | | > | < > > | > < | | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | | < > | | | > > | < < > | | > > > > | > | > < | < < < < | < < < < < | < < < < < < < < < < < < < | | < < < < < < < < < < < | < < < < < < < < < < < < | | < > | < < < < < < < < < < | < < < < | | | | < < | < < < < < < < | < < < | < | < < | | < < | < > | > | < < | < < | < | | < < < < < < < < | < < < | < > | < | | < < < < | | | | > | < < < < < | | | | | | | < < | | < < < < < < | < < | < | | | | | | | | > > > > | | > | | | > > > > > > | < | < < | < | | | | | | | | | | | | | | | | | | | | | | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 | /* ** 2011-12-03 ** ** 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. ** ************************************************************************* ** ** Win32-specific run-time environment implementation for LSM. */ #ifdef _WIN32 #include <assert.h> #include <string.h> #include <stdlib.h> #include <stdarg.h> #include <stdio.h> #include <ctype.h> #include "windows.h" #include "lsmInt.h" /* ** An open file is an instance of the following object */ typedef struct Win32File Win32File; struct Win32File { lsm_env *pEnv; /* The run-time environment */ const char *zName; /* Full path to file */ HANDLE hFile; /* Open file handle */ HANDLE hShmFile; /* File handle for *-shm file */ HANDLE hMap; /* File handle for mapping */ void *pMap; /* Pointer to mapping of file fd */ size_t nMap; /* Size of mapping at pMap in bytes */ int nShm; /* Number of entries in array apShm[] */ void **apShm; /* Array of 32K shared memory segments */ }; int lsmWin32OsSleep(lsm_env *pEnv, int us); static char *win32ShmFile(Win32File *p){ char *zShm; int nName = strlen(p->zName); zShm = (char *)lsmMallocZero(p->pEnv, nName+4+1); if( zShm ){ memcpy(zShm, p->zName, nName); memcpy(&zShm[nName], "-shm", 5); } return zShm; } /* ** The number of times that an I/O operation will be retried following a ** locking error - probably caused by antivirus software. Also the initial ** delay before the first retry. The delay increases linearly with each ** retry. */ #ifndef LSM_WIN32_IOERR_RETRY # define LSM_WIN32_IOERR_RETRY 10 #endif #ifndef LSM_WIN32_IOERR_RETRY_DELAY # define LSM_WIN32_IOERR_RETRY_DELAY 25000 #endif static int win32IoerrRetry = LSM_WIN32_IOERR_RETRY; static int win32IoerrRetryDelay = LSM_WIN32_IOERR_RETRY_DELAY; /* ** The "win32IoerrCanRetry1" macro is used to determine if a particular ** I/O error code obtained via GetLastError() is eligible to be retried. ** It must accept the error code DWORD as its only argument and should ** return non-zero if the error code is transient in nature and the ** operation responsible for generating the original error might succeed ** upon being retried. The argument to this macro should be a variable. ** ** Additionally, a macro named "win32IoerrCanRetry2" may be defined. If ** it is defined, it will be consulted only when the macro ** "win32IoerrCanRetry1" returns zero. The "win32IoerrCanRetry2" macro ** is completely optional and may be used to include additional error ** codes in the set that should result in the failing I/O operation being ** retried by the caller. If defined, the "win32IoerrCanRetry2" macro ** must exhibit external semantics identical to those of the ** "win32IoerrCanRetry1" macro. */ #if !defined(win32IoerrCanRetry1) #define win32IoerrCanRetry1(a) (((a)==ERROR_ACCESS_DENIED) || \ ((a)==ERROR_SHARING_VIOLATION) || \ ((a)==ERROR_LOCK_VIOLATION) || \ ((a)==ERROR_DEV_NOT_EXIST) || \ ((a)==ERROR_NETNAME_DELETED) || \ ((a)==ERROR_SEM_TIMEOUT) || \ ((a)==ERROR_NETWORK_UNREACHABLE)) #endif /* ** If an I/O error occurs, invoke this routine to see if it should be ** retried. Return TRUE to retry. Return FALSE to give up with an ** error. */ static int win32RetryIoerr( lsm_env *pEnv, int *pnRetry ){ DWORD lastErrno; if( *pnRetry>=win32IoerrRetry ){ return 0; } lastErrno = GetLastError(); if( win32IoerrCanRetry1(lastErrno) ){ lsmWin32OsSleep(pEnv, win32IoerrRetryDelay*(1+*pnRetry)); ++*pnRetry; return 1; } #if defined(win32IoerrCanRetry2) else if( win32IoerrCanRetry2(lastErrno) ){ lsmWin32OsSleep(pEnv, win32IoerrRetryDelay*(1+*pnRetry)); ++*pnRetry; return 1; } #endif return 0; } /* ** Convert a UTF-8 string to Microsoft Unicode. ** ** Space to hold the returned string is obtained from lsmMalloc(). */ static LPWSTR win32Utf8ToUnicode(lsm_env *pEnv, const char *zText){ int nChar; LPWSTR zWideText; nChar = MultiByteToWideChar(CP_UTF8, 0, zText, -1, NULL, 0); if( nChar==0 ){ return 0; } zWideText = lsmMallocZero(pEnv, nChar * sizeof(WCHAR)); if( zWideText==0 ){ return 0; } nChar = MultiByteToWideChar(CP_UTF8, 0, zText, -1, zWideText, nChar); if( nChar==0 ){ lsmFree(pEnv, zWideText); zWideText = 0; } return zWideText; } #if !defined(win32IsNotFound) #define win32IsNotFound(a) (((a)==ERROR_FILE_NOT_FOUND) || \ ((a)==ERROR_PATH_NOT_FOUND)) #endif static int lsmWin32OsOpen( lsm_env *pEnv, const char *zFile, int flags, lsm_file **ppFile ){ int rc = LSM_OK; Win32File *pWin32File; pWin32File = lsmMallocZero(pEnv, sizeof(Win32File)); if( pWin32File==0 ){ rc = LSM_NOMEM_BKPT; }else{ LPCWSTR zConverted; int bReadonly = (flags & LSM_OPEN_READONLY); DWORD dwDesiredAccess; DWORD dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE; DWORD dwCreationDisposition; DWORD dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL; HANDLE hFile; zConverted = win32Utf8ToUnicode(pEnv, zFile); if( zConverted==0 ){ lsmFree(pEnv, pWin32File); pWin32File = 0; rc = LSM_NOMEM_BKPT; }else{ int nRetry = 0; if( bReadonly ){ dwDesiredAccess = GENERIC_READ; dwCreationDisposition = OPEN_EXISTING; }else{ dwDesiredAccess = GENERIC_READ | GENERIC_WRITE; dwCreationDisposition = OPEN_ALWAYS; } while( (hFile = CreateFileW((LPCWSTR)zConverted, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL))==INVALID_HANDLE_VALUE && win32RetryIoerr(pEnv, &nRetry) ){ /* Noop */ } if( hFile!=INVALID_HANDLE_VALUE ){ pWin32File->pEnv = pEnv; pWin32File->zName = zFile; pWin32File->hFile = hFile; }else{ lsmFree(pEnv, pWin32File); pWin32File = 0; if( win32IsNotFound(GetLastError()) ){ rc = lsmErrorBkpt(LSM_IOERR_NOENT); }else{ rc = LSM_IOERR_BKPT; } } } } *ppFile = (lsm_file *)pWin32File; return rc; } static int lsmWin32OsWrite( lsm_file *pFile, /* File to write to */ lsm_i64 iOff, /* Offset to write to */ void *pData, /* Write data from this buffer */ int nData /* Bytes of data to write */ ){ Win32File *pWin32File = (Win32File *)pFile; OVERLAPPED overlapped; /* The offset for WriteFile. */ u8 *aRem = (u8 *)pData; /* Data yet to be written */ int nRem = nData; /* Number of bytes yet to be written */ int nRetry = 0; /* Number of retrys */ memset(&overlapped, 0, sizeof(OVERLAPPED)); overlapped.Offset = (LONG)(iOff & 0xffffffff); overlapped.OffsetHigh = (LONG)((iOff>>32) & 0x7fffffff); while( nRem>0 ){ DWORD nWrite = 0; /* Bytes written using WriteFile */ if( !WriteFile(pWin32File->hFile, aRem, nRem, &nWrite, &overlapped) ){ if( win32RetryIoerr(pWin32File->pEnv, &nRetry) ) continue; break; } assert( nWrite==0 || nWrite<=(DWORD)nRem ); if( nWrite==0 || nWrite>(DWORD)nRem ){ break; } iOff += nWrite; overlapped.Offset = (LONG)(iOff & 0xffffffff); overlapped.OffsetHigh = (LONG)((iOff>>32) & 0x7fffffff); aRem += nWrite; nRem -= nWrite; } if( nRem!=0 ) return LSM_IOERR_BKPT; return LSM_OK; } static int lsmWin32OsTruncate( lsm_file *pFile, /* File to write to */ lsm_i64 nSize /* Size to truncate file to */ ){ Win32File *pWin32File = (Win32File *)pFile; LARGE_INTEGER largeInteger; /* The new offset */ largeInteger.QuadPart = nSize; if( !SetFilePointerEx(pWin32File->hFile, largeInteger, 0, FILE_BEGIN) ){ return LSM_IOERR_BKPT; } if (!SetEndOfFile(pWin32File->hFile) ){ return LSM_IOERR_BKPT; } return LSM_OK; } static int lsmWin32OsRead( lsm_file *pFile, /* File to read from */ lsm_i64 iOff, /* Offset to read from */ void *pData, /* Read data into this buffer */ int nData /* Bytes of data to read */ ){ Win32File *pWin32File = (Win32File *)pFile; OVERLAPPED overlapped; /* The offset for ReadFile */ DWORD nRead = 0; /* Bytes read using ReadFile */ int nRetry = 0; /* Number of retrys */ memset(&overlapped, 0, sizeof(OVERLAPPED)); overlapped.Offset = (LONG)(iOff & 0xffffffff); overlapped.OffsetHigh = (LONG)((iOff>>32) & 0x7fffffff); while( !ReadFile(pWin32File->hFile, pData, nData, &nRead, &overlapped) && GetLastError()!=ERROR_HANDLE_EOF ){ if( win32RetryIoerr(pWin32File->pEnv, &nRetry) ) continue; return LSM_IOERR_BKPT; } if( nRead<(DWORD)nData ){ /* Unread parts of the buffer must be zero-filled */ memset(&((char*)pData)[nRead], 0, nData - nRead); } return LSM_OK; } static int lsmWin32OsSync(lsm_file *pFile){ int rc = LSM_OK; #ifndef LSM_NO_SYNC Win32File *pWin32File = (Win32File *)pFile; if( pWin32File->pMap ){ if( !FlushViewOfFile(pWin32File->pMap, 0) ){ rc = LSM_IOERR_BKPT; } } if( rc==LSM_OK && !FlushFileBuffers(pWin32File->hFile) ){ rc = LSM_IOERR_BKPT; } #else #endif return rc; } static int lsmWin32OsSectorSize(lsm_file *pFile){ return 512; } static int lsmWin32OsRemap( lsm_file *pFile, lsm_i64 iMin, void **ppOut, lsm_i64 *pnOut ){ return LSM_ERROR; } static int lsmWin32OsFullpath( lsm_env *pEnv, const char *zName, char *zOut, int *pnOut ){ return LSM_ERROR; } static int lsmWin32OsFileid( lsm_file *pFile, void *pBuf, int *pnBuf ){ int nBuf; int nReq; u8 *pBuf2 = (u8 *)pBuf; Win32File *pWin32File = (Win32File *)pFile; BY_HANDLE_FILE_INFORMATION fileInfo; nBuf = *pnBuf; nReq = (sizeof(fileInfo.dwVolumeSerialNumber) + sizeof(fileInfo.nFileIndexHigh) + sizeof(fileInfo.nFileIndexLow)); *pnBuf = nReq; if( nReq>nBuf ) return LSM_OK; memset(&fileInfo, 0, sizeof(BY_HANDLE_FILE_INFORMATION)); if( !GetFileInformationByHandle(pWin32File->hFile, &fileInfo) ){ return LSM_IOERR_BKPT; } nReq = sizeof(fileInfo.dwVolumeSerialNumber); memcpy(pBuf2, &fileInfo.dwVolumeSerialNumber, nReq); pBuf2 += nReq; nReq = sizeof(fileInfo.nFileIndexHigh); memcpy(pBuf, &fileInfo.nFileIndexHigh, nReq); pBuf2 += nReq; nReq = sizeof(fileInfo.nFileIndexLow); memcpy(pBuf2, &fileInfo.nFileIndexLow, nReq); return LSM_OK; } static int lsmWin32OsUnlink(lsm_env *pEnv, const char *zFile){ return LSM_ERROR; } int lsmWin32OsLock(lsm_file *pFile, int iLock, int eType){ return LSM_ERROR; } int lsmWin32OsTestLock(lsm_file *pFile, int iLock, int nLock, int eType){ return LSM_ERROR; } int lsmWin32OsShmMap(lsm_file *pFile, int iChunk, int sz, void **ppShm){ return LSM_ERROR; } void lsmWin32OsShmBarrier(void){ MemoryBarrier(); } int lsmWin32OsShmUnmap(lsm_file *pFile, int bDelete){ return LSM_ERROR; } #define MX_CLOSE_ATTEMPT 3 static int lsmWin32OsClose(lsm_file *pFile){ int rc; int nRetry = 0; Win32File *pWin32File = (Win32File *)pFile; lsmWin32OsShmUnmap(pFile, 0); if( pWin32File->pMap ){ UnmapViewOfFile(pWin32File->pMap); pWin32File->pMap = 0; } if( pWin32File->hMap!=NULL ){ CloseHandle(pWin32File->hMap); pWin32File->hMap = NULL; } do{ rc = CloseHandle(pWin32File->hFile); if( rc ){ rc = LSM_OK; break; } if( ++nRetry>=MX_CLOSE_ATTEMPT ){ rc = LSM_IOERR_BKPT; break; } }while( 1 ); lsmFree(pWin32File->pEnv, pWin32File->apShm); lsmFree(pWin32File->pEnv, pWin32File); return rc; } static int lsmWin32OsSleep(lsm_env *pEnv, int us){ unused_parameter(pEnv); Sleep((us + 999) / 1000); return LSM_OK; } /**************************************************************************** ** Memory allocation routines. */ static void *lsmWin32OsMalloc(lsm_env *pEnv, size_t N){ return HeapAlloc(GetProcessHeap(), 0, (SIZE_T)N); } static void lsmWin32OsFree(lsm_env *pEnv, void *p){ if( p ){ HeapFree(GetProcessHeap(), 0, p); } } static void *lsmWin32OsRealloc(lsm_env *pEnv, void *p, size_t N){ unsigned char *m = (unsigned char *)p; if( 1>N ){ lsmWin32OsFree(pEnv, p); return NULL; }else if( NULL==p ){ return lsmWin32OsMalloc(pEnv, N); }else{ #if 0 /* arguable: don't shrink */ SIZE_T sz = HeapSize(GetProcessHeap(), 0, m); if( sz>=(SIZE_T)N ){ return p; } #endif return HeapReAlloc(GetProcessHeap(), 0, m, N); } } static size_t lsmWin32OsMSize(lsm_env *pEnv, void *p){ return (size_t)HeapSize(GetProcessHeap(), 0, p); } #ifdef LSM_MUTEX_WIN32 /************************************************************************* ** Mutex methods for Win32 based systems. If LSM_MUTEX_WIN32 is ** missing then a no-op implementation of mutexes found below will be ** used instead. */ #include "windows.h" typedef struct Win32Mutex Win32Mutex; struct Win32Mutex { lsm_env *pEnv; CRITICAL_SECTION mutex; #ifdef LSM_DEBUG DWORD owner; #endif }; #ifndef WIN32_MUTEX_INITIALIZER # define WIN32_MUTEX_INITIALIZER { 0 } #endif #ifdef LSM_DEBUG # define LSM_WIN32_STATIC_MUTEX { 0, WIN32_MUTEX_INITIALIZER, 0 } #else # define LSM_WIN32_STATIC_MUTEX { 0, WIN32_MUTEX_INITIALIZER } #endif static int lsmWin32OsMutexStatic( lsm_env *pEnv, int iMutex, lsm_mutex **ppStatic ){ static volatile LONG initialized = 0; static Win32Mutex sMutex[2] = { LSM_WIN32_STATIC_MUTEX, LSM_WIN32_STATIC_MUTEX }; assert( iMutex==LSM_MUTEX_GLOBAL || iMutex==LSM_MUTEX_HEAP ); assert( LSM_MUTEX_GLOBAL==1 && LSM_MUTEX_HEAP==2 ); if( InterlockedCompareExchange(&initialized, 1, 0)==0 ){ int i; for(i=0; i<array_size(sMutex); i++){ InitializeCriticalSection(&sMutex[i].mutex); } } *ppStatic = (lsm_mutex *)&sMutex[iMutex-1]; return LSM_OK; } static int lsmWin32OsMutexNew(lsm_env *pEnv, lsm_mutex **ppNew){ Win32Mutex *pMutex; /* Pointer to new mutex */ pMutex = (Win32Mutex *)lsmMallocZero(pEnv, sizeof(Win32Mutex)); if( !pMutex ) return LSM_NOMEM_BKPT; pMutex->pEnv = pEnv; InitializeCriticalSection(&pMutex->mutex); *ppNew = (lsm_mutex *)pMutex; return LSM_OK; } static void lsmWin32OsMutexDel(lsm_mutex *p){ Win32Mutex *pMutex = (Win32Mutex *)p; DeleteCriticalSection(&pMutex->mutex); lsmFree(pMutex->pEnv, pMutex); } static void lsmWin32OsMutexEnter(lsm_mutex *p){ Win32Mutex *pMutex = (Win32Mutex *)p; EnterCriticalSection(&pMutex->mutex); #ifdef LSM_DEBUG assert( pMutex->owner!=GetCurrentThreadId() ); pMutex->owner = GetCurrentThreadId(); assert( pMutex->owner==GetCurrentThreadId() ); #endif } static int lsmWin32OsMutexTry(lsm_mutex *p){ BOOL bRet; Win32Mutex *pMutex = (Win32Mutex *)p; bRet = TryEnterCriticalSection(&pMutex->mutex); #ifdef LSM_DEBUG if( bRet ){ assert( pMutex->owner!=GetCurrentThreadId() ); pMutex->owner = GetCurrentThreadId(); assert( pMutex->owner==GetCurrentThreadId() ); } #endif return !bRet; } static void lsmWin32OsMutexLeave(lsm_mutex *p){ Win32Mutex *pMutex = (Win32Mutex *)p; #ifdef LSM_DEBUG assert( pMutex->owner==GetCurrentThreadId() ); pMutex->owner = 0; assert( pMutex->owner!=GetCurrentThreadId() ); #endif LeaveCriticalSection(&pMutex->mutex); } #ifdef LSM_DEBUG static int lsmWin32OsMutexHeld(lsm_mutex *p){ Win32Mutex *pMutex = (Win32Mutex *)p; return pMutex ? pMutex->owner==GetCurrentThreadId() : 1; } static int lsmWin32OsMutexNotHeld(lsm_mutex *p){ Win32Mutex *pMutex = (Win32Mutex *)p; return pMutex ? pMutex->owner!=GetCurrentThreadId() : 1; } #endif /* ** End of pthreads mutex implementation. *************************************************************************/ #else /************************************************************************* |
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657 658 659 660 661 662 663 | static int lsmWin32OsMutexNew(lsm_env *pEnv, lsm_mutex **ppNew){ NoopMutex *p; p = (NoopMutex *)lsmMallocZero(pEnv, sizeof(NoopMutex)); if( p ) p->pEnv = pEnv; *ppNew = (lsm_mutex *)p; return (p ? LSM_OK : LSM_NOMEM_BKPT); } | | | | | | | 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 | static int lsmWin32OsMutexNew(lsm_env *pEnv, lsm_mutex **ppNew){ NoopMutex *p; p = (NoopMutex *)lsmMallocZero(pEnv, sizeof(NoopMutex)); if( p ) p->pEnv = pEnv; *ppNew = (lsm_mutex *)p; return (p ? LSM_OK : LSM_NOMEM_BKPT); } static void lsmWin32OsMutexDel(lsm_mutex *pMutex) { NoopMutex *p = (NoopMutex *)pMutex; assert( p->bStatic==0 && p->pEnv ); lsmFree(p->pEnv, p); } static void lsmWin32OsMutexEnter(lsm_mutex *pMutex){ NoopMutex *p = (NoopMutex *)pMutex; assert( p->bHeld==0 ); p->bHeld = 1; } static int lsmWin32OsMutexTry(lsm_mutex *pMutex){ NoopMutex *p = (NoopMutex *)pMutex; assert( p->bHeld==0 ); p->bHeld = 1; return 0; } static void lsmWin32OsMutexLeave(lsm_mutex *pMutex){ NoopMutex *p = (NoopMutex *)pMutex; assert( p->bHeld==1 ); p->bHeld = 0; } #ifdef LSM_DEBUG static int lsmWin32OsMutexHeld(lsm_mutex *pMutex){ NoopMutex *p = (NoopMutex *)pMutex; return p ? p->bHeld : 1; } static int lsmWin32OsMutexNotHeld(lsm_mutex *pMutex){ NoopMutex *p = (NoopMutex *)pMutex; return p ? !p->bHeld : 1; } #endif /***************************************************************************/ #endif /* else LSM_MUTEX_NONE */ |
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