deps/jemalloc/test/rallocm.c

   1 #define JEMALLOC_MANGLE
   2 #include "jemalloc_test.h"
   3
   4 int
   5 main(void)
   6 {
   7         size_t pagesize;
   8         void *p, *q;
   9         size_t sz, tsz;
  10         int r;
  11
  12         malloc_printf("Test begin\n");
  13
  14         /* Get page size. */
  15         {
  16 #ifdef _WIN32
  17                 SYSTEM_INFO si;
  18                 GetSystemInfo(&si);
  19                 pagesize = (size_t)si.dwPageSize;
  20 #else
  21                 long result = sysconf(_SC_PAGESIZE);
  22                 assert(result != -1);
  23                 pagesize = (size_t)result;
  24 #endif
  25         }
  26
  27         r = allocm(&p, &sz, 42, 0);
  28         if (r != ALLOCM_SUCCESS) {
  29                 malloc_printf("Unexpected allocm() error\n");
  30                 abort();
  31         }
  32
  33         q = p;
  34         r = rallocm(&q, &tsz, sz, 0, ALLOCM_NO_MOVE);
  35         if (r != ALLOCM_SUCCESS)
  36                 malloc_printf("Unexpected rallocm() error\n");
  37         if (q != p)
  38                 malloc_printf("Unexpected object move\n");
  39         if (tsz != sz) {
  40                 malloc_printf("Unexpected size change: %zu --> %zu\n",
  41                     sz, tsz);
  42         }
  43
  44         q = p;
  45         r = rallocm(&q, &tsz, sz, 5, ALLOCM_NO_MOVE);
  46         if (r != ALLOCM_SUCCESS)
  47                 malloc_printf("Unexpected rallocm() error\n");
  48         if (q != p)
  49                 malloc_printf("Unexpected object move\n");
  50         if (tsz != sz) {
  51                 malloc_printf("Unexpected size change: %zu --> %zu\n",
  52                     sz, tsz);
  53         }
  54
  55         q = p;
  56         r = rallocm(&q, &tsz, sz + 5, 0, ALLOCM_NO_MOVE);
  57         if (r != ALLOCM_ERR_NOT_MOVED)
  58                 malloc_printf("Unexpected rallocm() result\n");
  59         if (q != p)
  60                 malloc_printf("Unexpected object move\n");
  61         if (tsz != sz) {
  62                 malloc_printf("Unexpected size change: %zu --> %zu\n",
  63                     sz, tsz);
  64         }
  65
  66         q = p;
  67         r = rallocm(&q, &tsz, sz + 5, 0, 0);
  68         if (r != ALLOCM_SUCCESS)
  69                 malloc_printf("Unexpected rallocm() error\n");
  70         if (q == p)
  71                 malloc_printf("Expected object move\n");
  72         if (tsz == sz) {
  73                 malloc_printf("Expected size change: %zu --> %zu\n",
  74                     sz, tsz);
  75         }
  76         p = q;
  77         sz = tsz;
  78
  79         r = rallocm(&q, &tsz, pagesize*2, 0, 0);
  80         if (r != ALLOCM_SUCCESS)
  81                 malloc_printf("Unexpected rallocm() error\n");
  82         if (q == p)
  83                 malloc_printf("Expected object move\n");
  84         if (tsz == sz) {
  85                 malloc_printf("Expected size change: %zu --> %zu\n",
  86                     sz, tsz);
  87         }
  88         p = q;
  89         sz = tsz;
  90
  91         r = rallocm(&q, &tsz, pagesize*4, 0, 0);
  92         if (r != ALLOCM_SUCCESS)
  93                 malloc_printf("Unexpected rallocm() error\n");
  94         if (tsz == sz) {
  95                 malloc_printf("Expected size change: %zu --> %zu\n",
  96                     sz, tsz);
  97         }
  98         p = q;
  99         sz = tsz;
 100
 101         r = rallocm(&q, &tsz, pagesize*2, 0, ALLOCM_NO_MOVE);
 102         if (r != ALLOCM_SUCCESS)
 103                 malloc_printf("Unexpected rallocm() error\n");
 104         if (q != p)
 105                 malloc_printf("Unexpected object move\n");
 106         if (tsz == sz) {
 107                 malloc_printf("Expected size change: %zu --> %zu\n",
 108                     sz, tsz);
 109         }
 110         sz = tsz;
 111
 112         r = rallocm(&q, &tsz, pagesize*4, 0, ALLOCM_NO_MOVE);
 113         if (r != ALLOCM_SUCCESS)
 114                 malloc_printf("Unexpected rallocm() error\n");
 115         if (q != p)
 116                 malloc_printf("Unexpected object move\n");
 117         if (tsz == sz) {
 118                 malloc_printf("Expected size change: %zu --> %zu\n",
 119                     sz, tsz);
 120         }
 121         sz = tsz;
 122
 123         dallocm(p, 0);
 124
 125         malloc_printf("Test end\n");
 126         return (0);
 127 }