File: memalign_test.c

package info (click to toggle)
valgrind 1%3A3.10.0-4
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 97,452 kB
  • ctags: 62,380
  • sloc: ansic: 589,429; xml: 21,096; exp: 8,751; cpp: 7,366; asm: 6,526; perl: 5,656; sh: 5,334; makefile: 4,946; haskell: 195
file content (27 lines) | stat: -rw-r--r-- 616 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <assert.h>

int main ( void )
{
  void* a[10];
  int i;
  unsigned long pszB = sysconf(_SC_PAGE_SIZE);
  assert(sizeof(long) == sizeof(void*));
  assert(pszB == 4096 || pszB == 16384 || pszB == 65536);

  for (i = 0; i < 10; i++) {
    a[i] = valloc(11111 * (i+1));
    /* check valloc really is returning page-aligned memory */
    assert( (((unsigned long)(a[i])) % pszB) == 0 );
    //    printf("I acquire %p\n", a[i]);
  }
  for (i = 0; i < 10; i++) {
    //    printf("I release %p\n", a[i]);
    free(a[i]);
  }
  free(a[9]);
  return 0;
}