mirror of git://gcc.gnu.org/git/gcc.git
41 lines
992 B
C
41 lines
992 B
C
/* Test atomic_flag routines for existence and execution. Out-of-line
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function calls. */
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/* The test needs a lockless atomic implementation. */
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/* { dg-do run { xfail hppa*-*-hpux* } } */
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/* { dg-options "-std=c11 -pedantic-errors" } */
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#include <stdatomic.h>
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extern void abort (void);
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atomic_flag a = ATOMIC_FLAG_INIT;
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int
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main ()
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{
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int b;
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if (!atomic_is_lock_free (&a))
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abort ();
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if ((atomic_flag_test_and_set) (&a))
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abort ();
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(atomic_flag_clear_explicit) (&a, memory_order_relaxed);
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if ((atomic_flag_test_and_set) (&a))
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abort ();
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(atomic_flag_clear) (&a);
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b = (atomic_flag_test_and_set_explicit) (&a, memory_order_seq_cst);
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if (!(atomic_flag_test_and_set) (&a) || b != 0)
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abort ();
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b = (atomic_flag_test_and_set_explicit) (&a, memory_order_acq_rel);
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if (!(atomic_flag_test_and_set) (&a) || b != 1)
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abort ();
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(atomic_flag_clear_explicit) (&a, memory_order_seq_cst);
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if ((atomic_flag_test_and_set) (&a))
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abort ();
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return 0;
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}
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