1 | #include <thread.hfa>
|
---|
2 | #include <kernel.hfa> // processor
|
---|
3 | #include <stdlib.hfa> // *allocs
|
---|
4 | #include <malloc.h> // malloc_*
|
---|
5 |
|
---|
6 | // #include <time.hfa>
|
---|
7 | // #define __CFA_DEFAULT_PREEMPTION__ 1000`us
|
---|
8 | // //#define __CFA_DEFAULT_PREEMPTION__ 0
|
---|
9 |
|
---|
10 | // Duration default_preemption() {
|
---|
11 | // return __CFA_DEFAULT_PREEMPTION__;
|
---|
12 | // }
|
---|
13 |
|
---|
14 | #define __U_DEFAULT_MMAP_START__ (512 * 1024 + 1)
|
---|
15 | size_t default_mmap_start() __attribute__(( weak )) {
|
---|
16 | return __U_DEFAULT_MMAP_START__;
|
---|
17 | } // default_mmap_start
|
---|
18 |
|
---|
19 | thread Worker {
|
---|
20 | }; // Worker
|
---|
21 |
|
---|
22 | void main( Worker & ) {
|
---|
23 | enum { NoOfAllocs = 5000, NoOfMmaps = 10 };
|
---|
24 | char *locns[NoOfAllocs];
|
---|
25 | int i;
|
---|
26 |
|
---|
27 | // check alloc/free
|
---|
28 |
|
---|
29 | for ( int j = 0; j < 40; j += 1 ) {
|
---|
30 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
31 | locns[i] = alloc( i );
|
---|
32 | //sout | (void *)locns[i] | endl;
|
---|
33 | for ( int k = 0; k < i; k += 1 ) locns[i][k] = '\345';
|
---|
34 | } // for
|
---|
35 | //sout | (char *)sbrk(0) - start | " bytes" | endl;
|
---|
36 |
|
---|
37 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
38 | //sout | (void *)locns[i] | endl;
|
---|
39 | for ( int k = 0; k < i; k += 1 ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage1" );
|
---|
40 | free( locns[i] );
|
---|
41 | } // for
|
---|
42 | //sout | (char *)sbrk(0) - start | " bytes" | endl;
|
---|
43 |
|
---|
44 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
45 | locns[i] = alloc( i );
|
---|
46 | //sout | (void *)locns[i] | endl;
|
---|
47 | for ( int k = 0; k < i; k += 1 ) locns[i][k] = '\345';
|
---|
48 | } // for
|
---|
49 | for ( i = NoOfAllocs - 1; i >=0 ; i -= 1 ) {
|
---|
50 | //sout | (void *)locns[i] | endl;
|
---|
51 | for ( int k = 0; k < i; k += 1 ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage2" );
|
---|
52 | free( locns[i] );
|
---|
53 | } // for
|
---|
54 | } // for
|
---|
55 |
|
---|
56 | // check malloc/free (sbrk)
|
---|
57 |
|
---|
58 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
59 | size_t s = (i + 1) * 20;
|
---|
60 | char *area = (char *)malloc( s );
|
---|
61 | if ( area == 0 ) abort( "malloc/free out of memory" );
|
---|
62 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
|
---|
63 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
|
---|
64 | free( area );
|
---|
65 | } // for
|
---|
66 |
|
---|
67 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
68 | size_t s = i + 1; // +1 to make initialization simpler
|
---|
69 | locns[i] = (char *)malloc( s );
|
---|
70 | if ( locns[i] == 0 ) abort( "malloc/free out of memory" );
|
---|
71 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
|
---|
72 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
|
---|
73 | } // for
|
---|
74 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
75 | size_t s = i + 1;
|
---|
76 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
|
---|
77 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" );
|
---|
78 | free( locns[i] );
|
---|
79 | } // for
|
---|
80 |
|
---|
81 | // check malloc/free (mmap)
|
---|
82 |
|
---|
83 | for ( i = 0; i < NoOfMmaps; i += 1 ) {
|
---|
84 | size_t s = i + default_mmap_start(); // cross over point
|
---|
85 | char *area = (char *)malloc( s );
|
---|
86 | if ( area == 0 ) abort( "malloc/free out of memory" );
|
---|
87 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
|
---|
88 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
|
---|
89 | free( area );
|
---|
90 | } // for
|
---|
91 |
|
---|
92 | for ( i = 0; i < NoOfMmaps; i += 1 ) {
|
---|
93 | size_t s = i + default_mmap_start(); // cross over point
|
---|
94 | locns[i] = (char *)malloc( s );
|
---|
95 | if ( locns[i] == 0 ) abort( "malloc/free out of memory" );
|
---|
96 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
|
---|
97 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
|
---|
98 | } // for
|
---|
99 | for ( i = 0; i < NoOfMmaps; i += 1 ) {
|
---|
100 | size_t s = i + default_mmap_start(); // cross over point
|
---|
101 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
|
---|
102 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" );
|
---|
103 | free( locns[i] );
|
---|
104 | } // for
|
---|
105 |
|
---|
106 | // check calloc/free (sbrk)
|
---|
107 |
|
---|
108 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
109 | size_t s = (i + 1) * 20;
|
---|
110 | char *area = (char *)calloc( 5, s );
|
---|
111 | if ( area == 0 ) abort( "calloc/free out of memory" );
|
---|
112 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
|
---|
113 | area[malloc_usable_size( area ) - 1] != '\0' ||
|
---|
114 | ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage1" );
|
---|
115 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
|
---|
116 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
|
---|
117 | free( area );
|
---|
118 | } // for
|
---|
119 |
|
---|
120 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
121 | size_t s = i + 1;
|
---|
122 | locns[i] = (char *)calloc( 5, s );
|
---|
123 | if ( locns[i] == 0 ) abort( "calloc/free out of memory" );
|
---|
124 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' ||
|
---|
125 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\0' ||
|
---|
126 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage2" );
|
---|
127 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
|
---|
128 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
|
---|
129 | } // for
|
---|
130 | for ( i = 0; i < NoOfAllocs; i += 1 ) {
|
---|
131 | size_t s = i + 1;
|
---|
132 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
|
---|
133 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage3" );
|
---|
134 | free( locns[i] );
|
---|
135 | } // for
|
---|
136 |
|
---|
137 | // check calloc/free (mmap)
|
---|
138 |
|
---|
139 | for ( i = 0; i < NoOfMmaps; i += 1 ) {
|
---|
140 | size_t s = i + default_mmap_start(); // cross over point
|
---|
141 | char *area = (char *)calloc( 1, s );
|
---|
142 | if ( area == 0 ) abort( "calloc/free out of memory" );
|
---|
143 | if ( area[0] != '\0' || area[s - 1] != '\0' ) abort( "calloc/free corrupt storage4.1" );
|
---|
144 | if ( area[malloc_usable_size( area ) - 1] != '\0' ) abort( "calloc/free corrupt storage4.2" );
|
---|
145 | if ( ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage4.3" );
|
---|
146 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
|
---|
147 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
|
---|
148 | free( area );
|
---|
149 | } // for
|
---|
150 |
|
---|
151 | for ( i = 0; i < NoOfMmaps; i += 1 ) {
|
---|
152 | size_t s = i + default_mmap_start(); // cross over point
|
---|
153 | locns[i] = (char *)calloc( 1, s );
|
---|
154 | if ( locns[i] == 0 ) abort( "calloc/free out of memory" );
|
---|
155 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' ||
|
---|
156 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\0' ||
|
---|
157 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage5" );
|
---|
158 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
|
---|
159 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
|
---|
160 | } // for
|
---|
161 | for ( i = 0; i < NoOfMmaps; i += 1 ) {
|
---|
162 | size_t s = i + default_mmap_start(); // cross over point
|
---|
163 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
|
---|
164 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage6" );
|
---|
165 | free( locns[i] );
|
---|
166 | } // for
|
---|
167 |
|
---|
168 | // check memalign/free (sbrk)
|
---|
169 |
|
---|
170 | enum { limit = 64 * 1024 }; // check alignments up to here
|
---|
171 |
|
---|
172 | for ( size_t a = libAlign(); a <= limit; a += a ) { // generate powers of 2
|
---|
173 | //sout | alignments[a] | endl;
|
---|
174 | for ( int s = 1; s < NoOfAllocs; s += 1 ) { // allocation of size 0 can return null
|
---|
175 | char *area = (char *)memalign( a, s );
|
---|
176 | if ( area == 0 ) abort( "memalign/free out of memory" );
|
---|
177 | //sout | i | " " | area | endl;
|
---|
178 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
---|
179 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, s, area );
|
---|
180 | } // if
|
---|
181 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
|
---|
182 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
|
---|
183 | free( area );
|
---|
184 | } // for
|
---|
185 | } // for
|
---|
186 |
|
---|
187 | // check memalign/free (mmap)
|
---|
188 |
|
---|
189 | for ( size_t a = libAlign(); a <= limit; a += a ) { // generate powers of 2
|
---|
190 | //sout | alignments[a] | endl;
|
---|
191 | for ( i = 1; i < NoOfMmaps; i += 1 ) {
|
---|
192 | size_t s = i + default_mmap_start(); // cross over point
|
---|
193 | char *area = (char *)memalign( a, s );
|
---|
194 | if ( area == 0 ) abort( "memalign/free out of memory" );
|
---|
195 | //sout | i | " " | area | endl;
|
---|
196 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
---|
197 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)s, area );
|
---|
198 | } // if
|
---|
199 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
|
---|
200 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
|
---|
201 | free( area );
|
---|
202 | } // for
|
---|
203 | } // for
|
---|
204 |
|
---|
205 | // check calloc/realloc/free (sbrk)
|
---|
206 |
|
---|
207 | for ( i = 1; i < 10000; i += 12 ) {
|
---|
208 | // initial N byte allocation
|
---|
209 | char *area = (char *)calloc( 5, i );
|
---|
210 | if ( area == 0 ) abort( "calloc/realloc/free out of memory" );
|
---|
211 | if ( area[0] != '\0' || area[i - 1] != '\0' ||
|
---|
212 | area[malloc_usable_size( area ) - 1] != '\0' ||
|
---|
213 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage1" );
|
---|
214 |
|
---|
215 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
|
---|
216 | for ( int s = i; s < 256 * 1024; s += 26 ) { // start at initial memory request
|
---|
217 | area = (char *)realloc( area, s ); // attempt to reuse storage
|
---|
218 | if ( area == 0 ) abort( "calloc/realloc/free out of memory" );
|
---|
219 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
|
---|
220 | area[malloc_usable_size( area ) - 1] != '\0' ||
|
---|
221 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage2" );
|
---|
222 | } // for
|
---|
223 | free( area );
|
---|
224 | } // for
|
---|
225 |
|
---|
226 | // check calloc/realloc/free (mmap)
|
---|
227 |
|
---|
228 | for ( i = 1; i < 1000; i += 12 ) {
|
---|
229 | // initial N byte allocation
|
---|
230 | size_t s = i + default_mmap_start(); // cross over point
|
---|
231 | char *area = (char *)calloc( 1, s );
|
---|
232 | if ( area == 0 ) abort( "calloc/realloc/free out of memory" );
|
---|
233 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
|
---|
234 | area[malloc_usable_size( area ) - 1] != '\0' ||
|
---|
235 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage1" );
|
---|
236 |
|
---|
237 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
|
---|
238 | for ( int r = i; r < 256 * 1024; r += 26 ) { // start at initial memory request
|
---|
239 | area = (char *)realloc( area, r ); // attempt to reuse storage
|
---|
240 | if ( area == 0 ) abort( "calloc/realloc/free out of memory" );
|
---|
241 | if ( area[0] != '\0' || area[r - 1] != '\0' ||
|
---|
242 | area[malloc_usable_size( area ) - 1] != '\0' ||
|
---|
243 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage2" );
|
---|
244 | } // for
|
---|
245 | free( area );
|
---|
246 | } // for
|
---|
247 |
|
---|
248 | // check memalign/realloc/free
|
---|
249 |
|
---|
250 | size_t amount = 2;
|
---|
251 | for ( size_t a = libAlign(); a <= limit; a += a ) { // generate powers of 2
|
---|
252 | // initial N byte allocation
|
---|
253 | char *area = (char *)memalign( a, amount ); // aligned N-byte allocation
|
---|
254 | if ( area == 0 ) abort( "memalign/realloc/free out of memory" ); // no storage ?
|
---|
255 | //sout | alignments[a] | " " | area | endl;
|
---|
256 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
---|
257 | abort( "memalign/realloc/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area );
|
---|
258 | } // if
|
---|
259 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
|
---|
260 |
|
---|
261 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
|
---|
262 | for ( int s = amount; s < 256 * 1024; s += 1 ) { // start at initial memory request
|
---|
263 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "memalign/realloc/free corrupt storage" );
|
---|
264 | area = (char *)realloc( area, s ); // attempt to reuse storage
|
---|
265 | if ( area == 0 ) abort( "memalign/realloc/free out of memory" ); // no storage ?
|
---|
266 | //sout | i | " " | area | endl;
|
---|
267 | if ( (size_t)area % a != 0 ) { // check for initial alignment
|
---|
268 | abort( "memalign/realloc/free bad alignment %p", area );
|
---|
269 | } // if
|
---|
270 | area[s - 1] = '\345'; // fill last byte
|
---|
271 | } // for
|
---|
272 | free( area );
|
---|
273 | } // for
|
---|
274 |
|
---|
275 | // check cmemalign/free
|
---|
276 |
|
---|
277 | for ( size_t a = libAlign(); a <= limit; a += a ) { // generate powers of 2
|
---|
278 | //sout | alignments[a] | endl;
|
---|
279 | for ( int s = 1; s < limit; s += 1 ) { // allocation of size 0 can return null
|
---|
280 | char *area = (char *)cmemalign( a, 1, s );
|
---|
281 | if ( area == 0 ) abort( "cmemalign/free out of memory" );
|
---|
282 | //sout | i | " " | area | endl;
|
---|
283 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
---|
284 | abort( "cmemalign/free bad alignment : cmemalign(%d,%d) = %p", (int)a, s, area );
|
---|
285 | } // if
|
---|
286 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
|
---|
287 | area[malloc_usable_size( area ) - 1] != '\0' ||
|
---|
288 | ! malloc_zero_fill( area ) ) abort( "cmemalign/free corrupt storage" );
|
---|
289 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
|
---|
290 | free( area );
|
---|
291 | } // for
|
---|
292 | } // for
|
---|
293 |
|
---|
294 | // check cmemalign/realloc/free
|
---|
295 |
|
---|
296 | amount = 2;
|
---|
297 | for ( size_t a = libAlign() + libAlign(); a <= limit; a += a ) { // generate powers of 2
|
---|
298 | // initial N byte allocation
|
---|
299 | char *area = (char *)cmemalign( a, 1, amount ); // aligned N-byte allocation
|
---|
300 | if ( area == 0 ) abort( "cmemalign/realloc/free out of memory" ); // no storage ?
|
---|
301 | //sout | alignments[a] | " " | area | endl;
|
---|
302 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
---|
303 | abort( "cmemalign/realloc/free bad alignment : cmemalign(%d,%d) = %p", (int)a, (int)amount, area );
|
---|
304 | } // if
|
---|
305 | if ( area[0] != '\0' || area[amount - 1] != '\0' ||
|
---|
306 | area[malloc_usable_size( area ) - 1] != '\0' ||
|
---|
307 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage1" );
|
---|
308 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
|
---|
309 |
|
---|
310 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
|
---|
311 | for ( int s = amount; s < 256 * 1024; s += 1 ) { // start at initial memory request
|
---|
312 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "cmemalign/realloc/free corrupt storage2" );
|
---|
313 | area = (char *)realloc( area, s ); // attempt to reuse storage
|
---|
314 | if ( area == 0 ) abort( "cmemalign/realloc/free out of memory" ); // no storage ?
|
---|
315 | //sout | i | " " | area | endl;
|
---|
316 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
---|
317 | abort( "cmemalign/realloc/free bad alignment %p", area );
|
---|
318 | } // if
|
---|
319 | if ( area[s - 1] != '\0' || area[s - 1] != '\0' ||
|
---|
320 | area[malloc_usable_size( area ) - 1] != '\0' ||
|
---|
321 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage3" );
|
---|
322 | area[s - 1] = '\345'; // fill last byte
|
---|
323 | } // for
|
---|
324 | free( area );
|
---|
325 | } // for
|
---|
326 | //sout | "worker" | thisTask() | "successful completion" | endl;
|
---|
327 | } // Worker main
|
---|
328 |
|
---|
329 | int main() {
|
---|
330 | const unsigned int NoOfWorkers = 4;
|
---|
331 | {
|
---|
332 | processor processors[NoOfWorkers - 1] __attribute__(( unused )); // more than one processor
|
---|
333 | Worker workers[NoOfWorkers] __attribute__(( unused ));
|
---|
334 | }
|
---|
335 | // checkFreeOn();
|
---|
336 | // malloc_stats();
|
---|
337 | }
|
---|
338 |
|
---|
339 | // Local Variables: //
|
---|
340 | // tab-width: 4 //
|
---|
341 | // compile-command: "cfa -nodebug -O2 heap.c" //
|
---|
342 | // End: //
|
---|