Line data Source code
1 : /*
2 : * SPDX-License-Identifier: MPL-2.0
3 : *
4 : * This Source Code Form is subject to the terms of the Mozilla Public
5 : * License, v. 2.0. If a copy of the MPL was not distributed with this
6 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
7 : *
8 : * Copyright 2024 MonetDB Foundation;
9 : * Copyright August 2008 - 2023 MonetDB B.V.;
10 : * Copyright 1997 - July 2008 CWI.
11 : */
12 :
13 : /* This file should not be included in any file outside of this directory */
14 :
15 : #ifndef LIBGDK
16 : #error this file should not be included outside its source directory
17 : #endif
18 :
19 : /* only check whether we exceed gdk_vm_maxsize when allocating heaps */
20 : #define SIZE_CHECK_IN_HEAPS_ONLY 1
21 :
22 : #include "gdk_system_private.h"
23 :
24 : enum heaptype {
25 : offheap,
26 : varheap,
27 : hashheap,
28 : orderidxheap,
29 : strimpheap,
30 : dataheap
31 : };
32 :
33 : enum range_comp_t {
34 : range_before, /* search range fully before bat range */
35 : range_after, /* search range fully after bat range */
36 : range_atstart, /* search range before + inside */
37 : range_atend, /* search range inside + after */
38 : range_contains, /* search range contains bat range */
39 : range_inside, /* search range inside bat range */
40 : };
41 :
42 : bool ATOMisdescendant(int id, int parentid)
43 : __attribute__((__visibility__("hidden")));
44 : int ATOMunknown_find(const char *nme)
45 : __attribute__((__warn_unused_result__))
46 : __attribute__((__visibility__("hidden")));
47 : const char *ATOMunknown_name(int a)
48 : __attribute__((__visibility__("hidden")));
49 : void ATOMunknown_clean(void)
50 : __attribute__((__visibility__("hidden")));
51 : bool BATcheckhash(BAT *b)
52 : __attribute__((__visibility__("hidden")));
53 : gdk_return BATcheckmodes(BAT *b, bool persistent)
54 : __attribute__((__warn_unused_result__))
55 : __attribute__((__visibility__("hidden")));
56 : BAT *BATcreatedesc(oid hseq, int tt, bool heapnames, role_t role, uint16_t width)
57 : __attribute__((__visibility__("hidden")));
58 : void BATdelete(BAT *b)
59 : __attribute__((__visibility__("hidden")));
60 : void BATdestroy(BAT *b)
61 : __attribute__((__visibility__("hidden")));
62 : void BATfree(BAT *b)
63 : __attribute__((__visibility__("hidden")));
64 : gdk_return BATgroup_internal(BAT **groups, BAT **extents, BAT **histo, BAT *b, BAT *s, BAT *g, BAT *e, BAT *h, bool subsorted)
65 : __attribute__((__warn_unused_result__))
66 : __attribute__((__visibility__("hidden")));
67 : Hash *BAThash_impl(BAT *restrict b, struct canditer *restrict ci, const char *restrict ext)
68 : __attribute__((__visibility__("hidden")));
69 : void BAThashsave(BAT *b, bool dosync)
70 : __attribute__((__visibility__("hidden")));
71 : bool BATiscand(BAT *b)
72 : __attribute__((__visibility__("hidden")));
73 : BAT *BATload_intern(bat bid, bool lock)
74 : __attribute__((__visibility__("hidden")));
75 : gdk_return BATmaterialize(BAT *b, BUN cap)
76 : __attribute__((__warn_unused_result__))
77 : __attribute__((__visibility__("hidden")));
78 : gdk_return BATsave_iter(BAT *bd, BATiter *bi, BUN size)
79 : __attribute__((__visibility__("hidden")));
80 : void BATsetdims(BAT *b, uint16_t width)
81 : __attribute__((__visibility__("hidden")));
82 : gdk_return BBPcacheit(BAT *bn, bool lock)
83 : __attribute__((__warn_unused_result__))
84 : __attribute__((__visibility__("hidden")));
85 : gdk_return BBPchkfarms(void)
86 : __attribute__((__warn_unused_result__))
87 : __attribute__((__visibility__("hidden")));
88 : void BBPclear(bat bid)
89 : __attribute__((__visibility__("hidden")));
90 : void BBPdump(void) /* never called: for debugging only */
91 : __attribute__((__cold__));
92 : void BBPexit(void)
93 : __attribute__((__visibility__("hidden")));
94 : gdk_return BBPinit(bool allow_hge_upgrade, bool no_manager)
95 : __attribute__((__visibility__("hidden")));
96 : bat BBPallocbat(int tt)
97 : __attribute__((__warn_unused_result__))
98 : __attribute__((__visibility__("hidden")));
99 : void BBPprintinfo(void)
100 : __attribute__((__visibility__("hidden")));
101 : int BBPselectfarm(role_t role, int type, enum heaptype hptype)
102 : __attribute__((__visibility__("hidden")));
103 : gdk_return BBPsync(int cnt, bat *restrict subcommit, BUN *restrict sizes, lng logno)
104 : __attribute__((__visibility__("hidden")));
105 : BUN binsearch(const oid *restrict indir, oid offset, int type, const void *restrict vals, const char * restrict vars, int width, BUN lo, BUN hi, const void *restrict v, int ordering, int last)
106 : __attribute__((__visibility__("hidden")));
107 : BUN binsearch_bte(const oid *restrict indir, oid offset, const bte *restrict vals, BUN lo, BUN hi, bte v, int ordering, int last)
108 : __attribute__((__visibility__("hidden")));
109 : BUN binsearch_sht(const oid *restrict indir, oid offset, const sht *restrict vals, BUN lo, BUN hi, sht v, int ordering, int last)
110 : __attribute__((__visibility__("hidden")));
111 : BUN binsearch_int(const oid *restrict indir, oid offset, const int *restrict vals, BUN lo, BUN hi, int v, int ordering, int last)
112 : __attribute__((__visibility__("hidden")));
113 : BUN binsearch_lng(const oid *restrict indir, oid offset, const lng *restrict vals, BUN lo, BUN hi, lng v, int ordering, int last)
114 : __attribute__((__visibility__("hidden")));
115 : #ifdef HAVE_HGE
116 : BUN binsearch_hge(const oid *restrict indir, oid offset, const hge *restrict vals, BUN lo, BUN hi, hge v, int ordering, int last)
117 : __attribute__((__visibility__("hidden")));
118 : #endif
119 : BUN binsearch_flt(const oid *restrict indir, oid offset, const flt *restrict vals, BUN lo, BUN hi, flt v, int ordering, int last)
120 : __attribute__((__visibility__("hidden")));
121 : BUN binsearch_dbl(const oid *restrict indir, oid offset, const dbl *restrict vals, BUN lo, BUN hi, dbl v, int ordering, int last)
122 : __attribute__((__visibility__("hidden")));
123 : Heap *createOIDXheap(BAT *b, bool stable)
124 : __attribute__((__visibility__("hidden")));
125 : void doHASHdestroy(BAT *b, Hash *hs)
126 : __attribute__((__visibility__("hidden")));
127 : void gdk_bbp_reset(void)
128 : __attribute__((__visibility__("hidden")));
129 : gdk_return GDKextend(const char *fn, size_t size)
130 : __attribute__((__warn_unused_result__))
131 : __attribute__((__visibility__("hidden")));
132 : gdk_return GDKextendf(int fd, size_t size, const char *fn)
133 : __attribute__((__warn_unused_result__))
134 : __attribute__((__visibility__("hidden")));
135 : int GDKfdlocate(int farmid, const char *nme, const char *mode, const char *ext)
136 : __attribute__((__visibility__("hidden")));
137 : FILE *GDKfilelocate(int farmid, const char *nme, const char *mode, const char *ext)
138 : __attribute__((__visibility__("hidden")))
139 : __attribute__((__malloc__))
140 : __attribute__((__malloc__(fclose, 1)));
141 : FILE *GDKfileopen(int farmid, const char *dir, const char *name, const char *extension, const char *mode)
142 : __attribute__((__visibility__("hidden")))
143 : __attribute__((__malloc__))
144 : __attribute__((__malloc__(fclose, 1)));
145 : char *GDKload(int farmid, const char *nme, const char *ext, size_t size, size_t *maxsize, storage_t mode)
146 : __attribute__((__visibility__("hidden")));
147 : gdk_return GDKmove(int farmid, const char *dir1, const char *nme1, const char *ext1, const char *dir2, const char *nme2, const char *ext2, bool report)
148 : __attribute__((__warn_unused_result__))
149 : __attribute__((__visibility__("hidden")));
150 : void *GDKmremap(const char *path, int mode, void *old_address, size_t old_size, size_t *new_size)
151 : __attribute__((__visibility__("hidden")));
152 : gdk_return GDKremovedir(int farmid, const char *nme)
153 : __attribute__((__warn_unused_result__))
154 : __attribute__((__visibility__("hidden")));
155 : gdk_return GDKsave(int farmid, const char *nme, const char *ext, void *buf, size_t size, storage_t mode, bool dosync)
156 : __attribute__((__warn_unused_result__))
157 : __attribute__((__visibility__("hidden")));
158 : gdk_return GDKrsort(void *restrict h, void *restrict t, size_t n, size_t hs, size_t ts, bool reverse, bool isuuid)
159 : __attribute__((__warn_unused_result__))
160 : __attribute__((__visibility__("hidden")));
161 : gdk_return GDKssort_rev(void *restrict h, void *restrict t, const void *restrict base, size_t n, int hs, int ts, int tpe)
162 : __attribute__((__warn_unused_result__))
163 : __attribute__((__visibility__("hidden")));
164 : gdk_return GDKssort(void *restrict h, void *restrict t, const void *restrict base, size_t n, int hs, int ts, int tpe)
165 : __attribute__((__warn_unused_result__))
166 : __attribute__((__visibility__("hidden")));
167 : gdk_return GDKtracer_init(const char *dbname, const char *dbtrace)
168 : __attribute__((__visibility__("hidden")));
169 : gdk_return GDKunlink(int farmid, const char *dir, const char *nme, const char *extension)
170 : __attribute__((__visibility__("hidden")));
171 : lng getBBPlogno(void)
172 : __attribute__((__visibility__("hidden")));
173 : BUN HASHappend(BAT *b, BUN i, const void *v)
174 : __attribute__((__visibility__("hidden")));
175 : void HASHappend_locked(BAT *b, BUN i, const void *v)
176 : __attribute__((__visibility__("hidden")));
177 : void HASHfree(BAT *b)
178 : __attribute__((__visibility__("hidden")));
179 : BUN HASHdelete(BATiter *bi, BUN p, const void *v)
180 : __attribute__((__visibility__("hidden")));
181 : void HASHdelete_locked(BATiter *bi, BUN p, const void *v)
182 : __attribute__((__visibility__("hidden")));
183 : BUN HASHinsert(BATiter *bi, BUN p, const void *v)
184 : __attribute__((__visibility__("hidden")));
185 : void HASHinsert_locked(BATiter *bi, BUN p, const void *v)
186 : __attribute__((__visibility__("hidden")));
187 : __attribute__((__const__))
188 : static inline BUN
189 856926 : HASHmask(BUN cnt)
190 : {
191 856926 : cnt = cnt * 8 / 7;
192 856926 : if (cnt < BATTINY)
193 37756 : cnt = BATTINY;
194 606074 : return cnt;
195 : }
196 : gdk_return HASHnew(Hash *h, int tpe, BUN size, BUN mask, BUN count, bool bcktonly)
197 : __attribute__((__visibility__("hidden")));
198 : gdk_return HEAPalloc(Heap *h, size_t nitems, size_t itemsize)
199 : __attribute__((__warn_unused_result__))
200 : __attribute__((__visibility__("hidden")));
201 : gdk_return HEAPcopy(Heap *dst, Heap *src, size_t offset)
202 : __attribute__((__warn_unused_result__))
203 : __attribute__((__visibility__("hidden")));
204 : void HEAPfree(Heap *h, bool remove)
205 : __attribute__((__visibility__("hidden")));
206 : gdk_return HEAPgrow(Heap **old, size_t size, bool mayshare)
207 : __attribute__((__visibility__("hidden")));
208 : gdk_return HEAPload(Heap *h, const char *nme, const char *ext, bool trunc)
209 : __attribute__((__warn_unused_result__))
210 : __attribute__((__visibility__("hidden")));
211 : void HEAP_recover(Heap *, const var_t *, BUN)
212 : __attribute__((__visibility__("hidden")));
213 : gdk_return HEAPsave(Heap *h, const char *nme, const char *ext, bool dosync, BUN free, MT_Lock *lock)
214 : __attribute__((__warn_unused_result__))
215 : __attribute__((__visibility__("hidden")));
216 : double joincost(BAT *r, BUN lcount, struct canditer *rci, bool *hash, bool *phash, bool *cand)
217 : __attribute__((__visibility__("hidden")));
218 : void STRMPincref(Strimps *strimps)
219 : __attribute__((__visibility__("hidden")));
220 : void STRMPdecref(Strimps *strimps, bool remove)
221 : __attribute__((__visibility__("hidden")));
222 : void STRMPfree(BAT *b)
223 : __attribute__((__visibility__("hidden")));
224 : void MT_init_posix(void)
225 : __attribute__((__visibility__("hidden")));
226 : void *MT_mmap(const char *path, int mode, size_t len)
227 : __attribute__((__visibility__("hidden")));
228 : void *MT_mremap(const char *path, int mode, void *old_address, size_t old_size, size_t *new_size)
229 : __attribute__((__visibility__("hidden")));
230 : int MT_msync(void *p, size_t len)
231 : __attribute__((__visibility__("hidden")));
232 : int MT_munmap(void *p, size_t len)
233 : __attribute__((__visibility__("hidden")));
234 : void OIDXfree(BAT *b)
235 : __attribute__((__visibility__("hidden")));
236 : void persistOIDX(BAT *b)
237 : __attribute__((__visibility__("hidden")));
238 : void PROPdestroy(BAT *b)
239 : __attribute__((__visibility__("hidden")));
240 : void PROPdestroy_nolock(BAT *b)
241 : __attribute__((__visibility__("hidden")));
242 : void settailname(Heap *restrict tail, const char *restrict physnme, int tt, int width)
243 : __attribute__((__visibility__("hidden")));
244 : void strCleanHash(Heap *hp, bool rebuild)
245 : __attribute__((__visibility__("hidden")));
246 : gdk_return strHeap(Heap *d, size_t cap)
247 : __attribute__((__visibility__("hidden")));
248 : var_t strLocate(Heap *h, const char *v)
249 : __attribute__((__visibility__("hidden")));
250 : var_t strPut(BAT *b, var_t *dst, const void *v)
251 : __attribute__((__visibility__("hidden")));
252 : char *strRead(str a, size_t *dstlen, stream *s, size_t cnt)
253 : __attribute__((__visibility__("hidden")));
254 : ssize_t strToStr(char **restrict dst, size_t *restrict len, const char *restrict src, bool external)
255 : __attribute__((__visibility__("hidden")));
256 : gdk_return strWrite(const char *a, stream *s, size_t cnt)
257 : __attribute__((__visibility__("hidden")));
258 : gdk_return TMcommit(void)
259 : __attribute__((__visibility__("hidden")));
260 : gdk_return unshare_varsized_heap(BAT *b)
261 : __attribute__((__warn_unused_result__))
262 : __attribute__((__visibility__("hidden")));
263 : void VIEWdestroy(BAT *b)
264 : __attribute__((__visibility__("hidden")));
265 : BAT *virtualize(BAT *bn)
266 : __attribute__((__visibility__("hidden")));
267 :
268 : /* calculate the integer 2 logarithm (i.e. position of highest set
269 : * bit) of the argument (with a slight twist: 0 gives 0, 1 gives 1,
270 : * 0x8 to 0xF give 4, etc.) */
271 : __attribute__((__const__))
272 : static inline unsigned
273 13625 : ilog2(BUN x)
274 : {
275 13625 : if (x == 0)
276 : return 0;
277 : #ifdef __has_builtin
278 : #if SIZEOF_BUN == 8 && __has_builtin(__builtin_clzll)
279 13617 : return (unsigned) (64 - __builtin_clzll((unsigned long long) x));
280 : #define BUILTIN_USED
281 : #elif __has_builtin(__builtin_clz)
282 : return (unsigned) (32 - __builtin_clz((unsigned) x));
283 : #define BUILTIN_USED
284 : #endif
285 : #endif
286 : #ifndef BUILTIN_USED
287 : #if defined(_MSC_VER)
288 : unsigned long n;
289 : if (
290 : #if SIZEOF_BUN == 8
291 : _BitScanReverse64(&n, (unsigned __int64) x)
292 : #else
293 : _BitScanReverse(&n, (unsigned long) x)
294 : #endif
295 : )
296 : return (unsigned) n + 1;
297 : else
298 : return 0;
299 : #else
300 : unsigned n = 0;
301 : BUN y;
302 :
303 : /* use a "binary search" method */
304 : #if SIZEOF_BUN == 8
305 : if ((y = x >> 32) != 0) {
306 : x = y;
307 : n += 32;
308 : }
309 : #endif
310 : if ((y = x >> 16) != 0) {
311 : x = y;
312 : n += 16;
313 : }
314 : if ((y = x >> 8) != 0) {
315 : x = y;
316 : n += 8;
317 : }
318 : if ((y = x >> 4) != 0) {
319 : x = y;
320 : n += 4;
321 : }
322 : if ((y = x >> 2) != 0) {
323 : x = y;
324 : n += 2;
325 : }
326 : if ((y = x >> 1) != 0) {
327 : x = y;
328 : n += 1;
329 : }
330 : return n + (x != 0);
331 : #endif
332 : #endif
333 : #undef BUILTIN_USED
334 : }
335 :
336 : /* some macros to help print info about BATs when using ALGODEBUG */
337 : #define ALGOBATFMT "%s#" BUNFMT "@" OIDFMT "[%s%s]%s%s%s%s%s%s%s%s%s"
338 : #define ALGOBATPAR(b) \
339 : BATgetId(b), \
340 : BATcount(b), \
341 : b->hseqbase, \
342 : ATOMname(b->ttype), \
343 : b->ttype==TYPE_str?b->twidth==1?"1":b->twidth==2?"2":b->twidth==4?"4":"8":"", \
344 : !b->batTransient ? "P" : b->theap && b->theap->parentid != b->batCacheid ? "V" : b->tvheap && b->tvheap->parentid != b->batCacheid ? "v" : "T", \
345 : BATtdense(b) ? "D" : b->ttype == TYPE_void && b->tvheap ? "X" : ATOMstorage(b->ttype) == TYPE_str && GDK_ELIMDOUBLES(b->tvheap) ? "E" : "", \
346 : b->tsorted ? "S" : b->tnosorted ? "!s" : "", \
347 : b->trevsorted ? "R" : b->tnorevsorted ? "!r" : "", \
348 : b->tkey ? "K" : b->tnokey[1] ? "!k" : "", \
349 : b->tnonil ? "N" : "", \
350 : b->thash ? "H" : "", \
351 : b->torderidx ? "O" : "", \
352 : b->tstrimps ? "I" : b->theap && b->theap->parentid && BBP_desc(b->theap->parentid) && BBP_desc(b->theap->parentid)->tstrimps ? "(I)" : ""
353 : /* use ALGOOPTBAT* when BAT is optional (can be NULL) */
354 : #define ALGOOPTBATFMT "%s%s" BUNFMT "%s" OIDFMT "%s%s%s%s%s%s%s%s%s%s%s%s%s"
355 : #define ALGOOPTBATPAR(b) \
356 : b ? BATgetId(b) : "", \
357 : b ? "#" : "", \
358 : b ? BATcount(b) : 0, \
359 : b ? "@" : "", \
360 : b ? b->hseqbase : 0, \
361 : b ? "[" : "", \
362 : b ? ATOMname(b->ttype) : "", \
363 : b ? b->ttype==TYPE_str?b->twidth==1?"1":b->twidth==2?"2":b->twidth==4?"4":"8":"" : "", \
364 : b ? "]" : "", \
365 : b ? !b->batTransient ? "P" : b->theap && b->theap->parentid != b->batCacheid ? "V" : b->tvheap && b->tvheap->parentid != b->batCacheid ? "v" : "T" : "", \
366 : b ? BATtdense(b) ? "D" : b->ttype == TYPE_void && b->tvheap ? "X" : ATOMstorage(b->ttype) == TYPE_str && b->tvheap && GDK_ELIMDOUBLES(b->tvheap) ? "E" : "" : "", \
367 : b ? b->tsorted ? "S" : b->tnosorted ? "!s" : "" : "", \
368 : b ? b->trevsorted ? "R" : b->tnorevsorted ? "!r" : "" : "", \
369 : b ? b->tkey ? "K" : b->tnokey[1] ? "!k" : "" : "", \
370 : b && b->tnonil ? "N" : "", \
371 : b && b->thash ? "H" : "", \
372 : b && b->torderidx ? "O" : "", \
373 : b ? b->tstrimps ? "I" : b->theap && b->theap->parentid && BBP_desc(b->theap->parentid) && BBP_desc(b->theap->parentid)->tstrimps ? "(I)" : "" : ""
374 :
375 : #ifdef __SANITIZE_THREAD__
376 : #define BBP_BATMASK 31
377 : #else
378 : #define BBP_BATMASK ((1 << (SIZEOF_SIZE_T + 5)) - 1)
379 : #endif
380 :
381 : struct PROPrec {
382 : enum prop_t id;
383 : ValRecord v;
384 : struct PROPrec *next; /* simple chain of properties */
385 : };
386 :
387 : typedef uint64_t strimp_masks_t; /* TODO: make this a sparse matrix */
388 :
389 : struct Strimps {
390 : Heap strimps;
391 : uint8_t *sizes_base; /* pointer into strimps heap (pair sizes) */
392 : uint8_t *pairs_base; /* pointer into strimps heap (pairs start) */
393 : void *bitstrings_base; /* pointer into strimps heap (bitstrings
394 : * start) bitstrings_base is a pointer
395 : * to uint64_t */
396 : size_t rec_cnt; /* reconstruction counter: how many
397 : * bitstrings were added after header
398 : * construction. Currently unused. */
399 : strimp_masks_t *masks; /* quick access to masks for
400 : * bitstring construction */
401 : };
402 :
403 : typedef struct {
404 : MT_Lock swap;
405 : } batlock_t;
406 :
407 : typedef char long_str[IDLENGTH]; /* standard GDK static string */
408 :
409 : #define MAXFARMS 32
410 :
411 : extern struct BBPfarm_t {
412 : uint32_t roles; /* bitmask of allowed roles */
413 : const char *dirname; /* farm directory */
414 : FILE *lock_file;
415 : } BBPfarms[MAXFARMS];
416 :
417 : extern batlock_t GDKbatLock[BBP_BATMASK + 1];
418 : extern size_t GDK_mmap_minsize_persistent; /* size after which we use memory mapped files for persistent heaps */
419 : extern size_t GDK_mmap_minsize_transient; /* size after which we use memory mapped files for transient heaps */
420 : extern size_t GDK_mmap_pagesize; /* mmap granularity */
421 :
422 : #define BATcheck(tst, err) \
423 : do { \
424 : if ((tst) == NULL) { \
425 : GDKerror("BAT required.\n"); \
426 : return (err); \
427 : } \
428 : } while (0)
429 : #define ERRORcheck(tst, msg, err) \
430 : do { \
431 : if (tst) { \
432 : GDKerror(msg); \
433 : return (err); \
434 : } \
435 : } while (0)
436 :
437 : #define GDKswapLock(x) GDKbatLock[(x)&BBP_BATMASK].swap
438 :
439 : #define HEAPREMOVE ((ATOMIC_BASE_TYPE) 1 << (sizeof(ATOMIC_BASE_TYPE) * 8 - 1))
440 : #define DELAYEDREMOVE ((ATOMIC_BASE_TYPE) 1 << (sizeof(ATOMIC_BASE_TYPE) * 8 - 2))
441 : #define HEAPREFS (((ATOMIC_BASE_TYPE) 1 << (sizeof(ATOMIC_BASE_TYPE) * 8 - 2)) - 1)
442 :
443 : /* when the number of updates to a BAT is less than 1 in this number, we
444 : * keep the unique_est property */
445 : #define GDK_UNIQUE_ESTIMATE_KEEP_FRACTION 1000
446 : extern BUN gdk_unique_estimate_keep_fraction; /* should become a define once */
447 : /* if the number of unique values is less than 1 in this number, we
448 : * destroy the hash rather than update it in HASH{append,insert,delete} */
449 : #define HASH_DESTROY_UNIQUES_FRACTION 1000
450 : extern BUN hash_destroy_uniques_fraction; /* likewise */
451 : /* if the estimated number of unique values is less than 1 in this
452 : * number, don't build a hash table to do a hashselect */
453 : #define NO_HASH_SELECT_FRACTION 1000
454 : extern dbl no_hash_select_fraction; /* same here */
455 : /* if the hash chain is longer than this number, we delete the hash
456 : * rather than maintaining it in HASHdelete */
457 : #define HASH_DESTROY_CHAIN_LENGTH 1000
458 : extern BUN hash_destroy_chain_length;
459 :
460 : #if !defined(NDEBUG) && !defined(__COVERITY__)
461 : /* see comment in gdk.h */
462 : #ifdef __GNUC__
463 : #define GDKmremap(p, m, oa, os, ns) \
464 : ({ \
465 : const char *_path = (p); \
466 : int _mode = (m); \
467 : void *_oa = (oa); \
468 : size_t _os = (os); \
469 : size_t *_ns = (ns); \
470 : size_t _ons = *_ns; \
471 : void *_res = GDKmremap(_path, _mode, _oa, _os, _ns); \
472 : TRC_DEBUG(ALLOC, \
473 : "GDKmremap(%s,0x%x,%p,%zu,%zu > %zu) -> %p\n", \
474 : _path ? _path : "NULL", (unsigned) _mode, \
475 : _oa, _os, _ons, *_ns, _res); \
476 : _res; \
477 : })
478 : #else
479 : static inline void *
480 : GDKmremap_debug(const char *path, int mode, void *old_address, size_t old_size, size_t *new_size)
481 : {
482 : size_t orig_new_size = *new_size;
483 : void *res = GDKmremap(path, mode, old_address, old_size, new_size);
484 : TRC_DEBUG(ALLOC, "GDKmremap(%s,0x%x,%p,%zu,%zu > %zu) -> %p\n",
485 : path ? path : "NULL", (unsigned) mode,
486 : old_address, old_size, orig_new_size, *new_size, res);
487 : return res;
488 : }
489 : #define GDKmremap(p, m, oa, os, ns) GDKmremap_debug(p, m, oa, os, ns)
490 :
491 : #endif
492 : #endif
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