/* Test generic atomic routines for proper function calling. */ /* { dg-do run } */ /* { dg-options "-std=c11 -pedantic-errors" } */ #include extern void abort (); extern int memcmp (const void *, const void *, __SIZE_TYPE__); 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 }; _Atomic test_struct a; test_struct 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_explicit (&a, zero, memory_order_relaxed); if (memcmp (&a, &zero, size)) abort (); c = atomic_exchange_explicit (&a, ones, memory_order_seq_cst); if (memcmp (&c, &zero, size)) abort (); if (memcmp (&a, &ones, size)) abort (); b = atomic_load_explicit (&a, memory_order_relaxed); if (memcmp (&b, &ones, size)) abort (); if (!atomic_compare_exchange_strong_explicit (&a, &b, zero, memory_order_seq_cst, memory_order_acquire)) abort (); if (memcmp (&a, &zero, size)) abort (); if (atomic_compare_exchange_weak_explicit (&a, &b, ones, memory_order_seq_cst, memory_order_acquire)) abort (); if (memcmp (&b, &zero, size)) abort (); return 0; }