Hardware Locality (hwloc) 1.6.2

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bitmap.h
1 /*
2 * Copyright © 2009 CNRS
3 * Copyright © 2009-2011 inria. All rights reserved.
4 * Copyright © 2009-2012 Université Bordeaux 1
5 * Copyright © 2009-2011 Cisco Systems, Inc. All rights reserved.
6 * See COPYING in top-level directory.
7 */
8
13 #ifndef HWLOC_BITMAP_H
14 #define HWLOC_BITMAP_H
15
16 #include <hwloc/autogen/config.h>
17 #include <assert.h>
18
19
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23
24
45 typedef struct hwloc_bitmap_s * hwloc_bitmap_t;
47 typedef const struct hwloc_bitmap_s * hwloc_const_bitmap_t;
48
49
50 /*
51 * Bitmap allocation, freeing and copying.
52 */
53
61 hwloc_bitmap_t hwloc_bitmap_alloc(void) ;
62
64 hwloc_bitmap_t hwloc_bitmap_alloc_full(void) ;
65
70 void hwloc_bitmap_free(hwloc_bitmap_t bitmap);
71
76 hwloc_bitmap_t hwloc_bitmap_dup(hwloc_const_bitmap_t bitmap) ;
77
79 void hwloc_bitmap_copy(hwloc_bitmap_t dst, hwloc_const_bitmap_t src);
80
81
82 /*
83 * Bitmap/String Conversion
84 */
85
95 int hwloc_bitmap_snprintf(char * restrict buf, size_t buflen, hwloc_const_bitmap_t bitmap);
96
99 int hwloc_bitmap_asprintf(char ** strp, hwloc_const_bitmap_t bitmap);
100
103 int hwloc_bitmap_sscanf(hwloc_bitmap_t bitmap, const char * restrict string);
104
118 int hwloc_bitmap_list_snprintf(char * restrict buf, size_t buflen, hwloc_const_bitmap_t bitmap);
119
122 int hwloc_bitmap_list_asprintf(char ** strp, hwloc_const_bitmap_t bitmap);
123
126 int hwloc_bitmap_list_sscanf(hwloc_bitmap_t bitmap, const char * restrict string);
127
140 int hwloc_bitmap_taskset_snprintf(char * restrict buf, size_t buflen, hwloc_const_bitmap_t bitmap);
141
144 int hwloc_bitmap_taskset_asprintf(char ** strp, hwloc_const_bitmap_t bitmap);
145
148 int hwloc_bitmap_taskset_sscanf(hwloc_bitmap_t bitmap, const char * restrict string);
149
150
151 /*
152 * Building bitmaps.
153 */
154
156 void hwloc_bitmap_zero(hwloc_bitmap_t bitmap);
157
159 void hwloc_bitmap_fill(hwloc_bitmap_t bitmap);
160
162 void hwloc_bitmap_only(hwloc_bitmap_t bitmap, unsigned id);
163
165 void hwloc_bitmap_allbut(hwloc_bitmap_t bitmap, unsigned id);
166
168 void hwloc_bitmap_from_ulong(hwloc_bitmap_t bitmap, unsigned long mask);
169
171 void hwloc_bitmap_from_ith_ulong(hwloc_bitmap_t bitmap, unsigned i, unsigned long mask);
172
173
174 /*
175 * Modifying bitmaps.
176 */
177
179 void hwloc_bitmap_set(hwloc_bitmap_t bitmap, unsigned id);
180
185 void hwloc_bitmap_set_range(hwloc_bitmap_t bitmap, unsigned begin, int end);
186
188 void hwloc_bitmap_set_ith_ulong(hwloc_bitmap_t bitmap, unsigned i, unsigned long mask);
189
191 void hwloc_bitmap_clr(hwloc_bitmap_t bitmap, unsigned id);
192
197 void hwloc_bitmap_clr_range(hwloc_bitmap_t bitmap, unsigned begin, int end);
198
205 void hwloc_bitmap_singlify(hwloc_bitmap_t bitmap);
206
207
208 /*
209 * Consulting bitmaps.
210 */
211
213 unsigned long hwloc_bitmap_to_ulong(hwloc_const_bitmap_t bitmap) ;
214
216 unsigned long hwloc_bitmap_to_ith_ulong(hwloc_const_bitmap_t bitmap, unsigned i) ;
217
219 int hwloc_bitmap_isset(hwloc_const_bitmap_t bitmap, unsigned id) ;
220
222 int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap) ;
223
225 int hwloc_bitmap_isfull(hwloc_const_bitmap_t bitmap) ;
226
231 int hwloc_bitmap_first(hwloc_const_bitmap_t bitmap) ;
232
239 int hwloc_bitmap_next(hwloc_const_bitmap_t bitmap, int prev) ;
240
245 int hwloc_bitmap_last(hwloc_const_bitmap_t bitmap) ;
246
252 int hwloc_bitmap_weight(hwloc_const_bitmap_t bitmap) ;
253
265 #define hwloc_bitmap_foreach_begin(id, bitmap) \
266 do { \
267 assert(hwloc_bitmap_weight(bitmap) != -1); \
268 for (id = hwloc_bitmap_first(bitmap); \
269 (unsigned) id != (unsigned) -1; \
270 id = hwloc_bitmap_next(bitmap, id)) { \
271
275 #define hwloc_bitmap_foreach_end() \
276 } \
277 } while (0)
278
279
280 /*
281 * Combining bitmaps.
282 */
283
288 void hwloc_bitmap_or (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2);
289
294 void hwloc_bitmap_and (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2);
295
300 void hwloc_bitmap_andnot (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2);
301
306 void hwloc_bitmap_xor (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2);
307
312 void hwloc_bitmap_not (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap);
313
314
315 /*
316 * Comparing bitmaps.
317 */
318
320 int hwloc_bitmap_intersects (hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2) ;
321
323 int hwloc_bitmap_isincluded (hwloc_const_bitmap_t sub_bitmap, hwloc_const_bitmap_t super_bitmap) ;
324
326 int hwloc_bitmap_isequal (hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2) ;
327
333 int hwloc_bitmap_compare_first(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2) ;
334
340 int hwloc_bitmap_compare(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2) ;
341
345 #ifdef __cplusplus
346 } /* extern "C" */
347 #endif
348
349
350 #endif /* HWLOC_BITMAP_H */