1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <assert.h> 4 5 #include "../smalloc.h" 6 #include "../flist.h" 7 #include "../arch/arch.h" 8 #include "debug.h" 9 10 #define MAGIC1 0xa9b1c8d2 11 #define MAGIC2 0xf0a1e9b3 12 13 #define LOOPS 32 14 15 struct elem { 16 unsigned int magic1; 17 struct flist_head list; 18 unsigned int magic2; 19 }; 20 21 FLIST_HEAD(list); 22 23 static int do_rand_allocs(void) 24 { 25 unsigned int size, nr, rounds = 0; 26 unsigned long total; 27 struct elem *e; 28 29 while (rounds++ < LOOPS) { 30 #ifdef STEST_SEED 31 srand(MAGIC1); 32 #endif 33 nr = total = 0; 34 while (total < 120*1024*1024UL) { 35 size = 8 * sizeof(struct elem) + (int) (999.0 * (rand() / (RAND_MAX + 1.0))); 36 e = smalloc(size); 37 if (!e) { 38 printf("fail at %lu, size %u\n", total, size); 39 break; 40 } 41 e->magic1 = MAGIC1; 42 e->magic2 = MAGIC2; 43 total += size; 44 flist_add_tail(&e->list, &list); 45 nr++; 46 } 47 48 printf("Got items: %u\n", nr); 49 50 while (!flist_empty(&list)) { 51 e = flist_entry(list.next, struct elem, list); 52 assert(e->magic1 == MAGIC1); 53 assert(e->magic2 == MAGIC2); 54 flist_del(&e->list); 55 sfree(e); 56 } 57 } 58 59 return 0; 60 } 61 62 int main(int argc, char *argv[]) 63 { 64 arch_init(argv); 65 sinit(); 66 debug_init(); 67 68 do_rand_allocs(); 69 70 scleanup(); 71 return 0; 72 } 73
