File: atomic-generic.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (58 lines) | stat: -rw-r--r-- 1,399 bytes parent folder | download | duplicates (6)
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
/* Test generic __atomic routines for proper function calling.
   memory model.  */
/* { dg-options "-w" } */
/* { dg-do run } */
/* { dg-additional-sources "atomic-generic-aux.c" } */

/* Test that the generioc atomic builtins execute as expected..
   sync-mem-generic-aux.c supplies a functional external entry point for 
   the 4 generic functions.  */

#include <stdlib.h>
#include <stdbool.h>
#include <string.h>

extern void abort();

typedef struct test {
  int array[10];
} test_struct;

test_struct zero = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
test_struct ones = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
test_struct a,b;

int size = sizeof (test_struct);
/* Test for consistency on sizes 1, 2, 4, 8, 16 and 32.  */
int
main ()
{
  test_struct c;

  __atomic_store (&a, &zero, __ATOMIC_RELAXED);
  if (memcmp (&a, &zero, size))
    abort ();

  __atomic_exchange (&a, &ones, &c, __ATOMIC_SEQ_CST);
  if (memcmp (&c, &zero, size))
    abort ();
  if (memcmp (&a, &ones, size))
    abort ();

  __atomic_load (&a, &b, __ATOMIC_RELAXED);
  if (memcmp (&b, &ones, size))
    abort ();

  if (!__atomic_compare_exchange (&a, &b, &zero, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
    abort();
  if (memcmp (&a, &zero, size))
    abort ();

  if (__atomic_compare_exchange (&a, &b, &ones, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
    abort();
  if (memcmp (&b, &zero, size))
    abort ();

  return 0;
}