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bsdkm: add atomic_fcmpset_ptr.

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jordan
2025-11-18 10:12:28 -06:00
parent 551f90414c
commit 0458fba394
2 changed files with 18 additions and 1 deletions
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10
wolfcrypt/src/wc_port.c
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@@ -1352,12 +1352,20 @@ int wolfSSL_Atomic_Int_CompareExchange(wolfSSL_Atomic_Int* c, int *expected_i,
int wolfSSL_Atomic_Uint_CompareExchange(
wolfSSL_Atomic_Uint* c, unsigned int *expected_i, unsigned int new_i)
{
u_int exp = (u_int) *expected_i;
u_int exp = (u_int)*expected_i;
int ret = atomic_fcmpset_int(c, &exp, new_i);
*expected_i = (unsigned int)exp;
return ret;
}
int wolfSSL_Atomic_Ptr_CompareExchange(
void **c, void **expected_ptr, void *new_ptr)
{
uintptr_t exp = (uintptr_t)*expected_ptr;
int ret = atomic_fcmpset_ptr((uintptr_t *)c, &exp, (uintptr_t)new_ptr);
*expected_ptr = (void *)exp;
return ret;
}
#elif defined(HAVE_C___ATOMIC) && defined(WOLFSSL_HAVE_ATOMIC_H) && \
!defined(__cplusplus)

9
wolfcrypt/test/test.c
View File

@@ -20061,6 +20061,8 @@ WOLFSSL_TEST_SUBROUTINE wc_test_ret_t memory_test(void)
#endif
int int_expected;
unsigned int uint_expected;
void * a_ptr = NULL;
void * ptr_expected = NULL;
if (WOLFSSL_ATOMIC_LOAD(a_int) != -2)
return WC_TEST_RET_ENC_NC;
@@ -20131,6 +20133,13 @@ WOLFSSL_TEST_SUBROUTINE wc_test_ret_t memory_test(void)
return WC_TEST_RET_ENC_NC;
if (WOLFSSL_ATOMIC_LOAD(a_uint) != 7)
return WC_TEST_RET_ENC_NC;
a_ptr = NULL;
ptr_expected = NULL;
if (! wolfSSL_Atomic_Ptr_CompareExchange(&a_ptr, &ptr_expected, &ret))
return WC_TEST_RET_ENC_NC;
if (a_ptr != &ret)
return WC_TEST_RET_ENC_NC;
}
return ret;