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wolfssl/wolfcrypt/wc_port.h and wolfcrypt/src/wc_port.c: implement wolfSSL_Atomic_Int_Exchange().

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This commit is contained in:
Daniel Pouzzner
2026-03-20 12:18:53 -05:00
parent 0f41e99c34
commit 84a4abfaa8
2 changed files with 30 additions and 0 deletions
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wolfcrypt/src/wc_port.c
+21
View File
@@ -1432,6 +1432,11 @@ unsigned int wolfSSL_Atomic_Uint_SubFetch(wolfSSL_Atomic_Uint* c,
return val - i;
}
int wolfSSL_Atomic_Int_Exchange(wolfSSL_Atomic_Int* c, int new_i)
{
return atomic_swap_int(c, new_i);
}
int wolfSSL_Atomic_Int_CompareExchange(wolfSSL_Atomic_Int* c, int *expected_i,
int new_i)
{
@@ -1495,6 +1500,11 @@ int wolfSSL_Atomic_Int_SubFetch(wolfSSL_Atomic_Int* c, int i)
return ret - i;
}
int wolfSSL_Atomic_Int_Exchange(wolfSSL_Atomic_Int* c, int new_i)
{
return atomic_exchange_explicit(c, new_i, memory_order_seq_cst);
}
int wolfSSL_Atomic_Int_CompareExchange(
wolfSSL_Atomic_Int* c, int *expected_i, int new_i)
{
@@ -1600,6 +1610,11 @@ int wolfSSL_Atomic_Int_SubFetch(wolfSSL_Atomic_Int* c, int i)
return __atomic_sub_fetch(c, i, __ATOMIC_RELAXED);
}
int wolfSSL_Atomic_Int_Exchange(wolfSSL_Atomic_Int* c, int new_i)
{
return __atomic_exchange_n(c, new_i, __ATOMIC_SEQ_CST);
}
int wolfSSL_Atomic_Int_CompareExchange(wolfSSL_Atomic_Int* c, int *expected_i,
int new_i)
{
@@ -1692,6 +1707,12 @@ int wolfSSL_Atomic_Int_SubFetch(wolfSSL_Atomic_Int* c, int i)
return ret - i;
}
int wolfSSL_Atomic_Int_Exchange(wolfSSL_Atomic_Int* c, int new_i)
{
long actual_i = InterlockedExchange(c, (long)new_i);
return (int)actual_i;
}
int wolfSSL_Atomic_Int_CompareExchange(wolfSSL_Atomic_Int* c, int *expected_i,
int new_i)
{
wolfssl/wolfcrypt/wc_port.h
+9
View File
@@ -613,6 +613,8 @@
WOLFSSL_API int wolfSSL_Atomic_Int_FetchSub(wolfSSL_Atomic_Int* c, int i);
WOLFSSL_API int wolfSSL_Atomic_Int_AddFetch(wolfSSL_Atomic_Int* c, int i);
WOLFSSL_API int wolfSSL_Atomic_Int_SubFetch(wolfSSL_Atomic_Int* c, int i);
WOLFSSL_API int wolfSSL_Atomic_Int_Exchange(
wolfSSL_Atomic_Int* c, int new_i);
WOLFSSL_API int wolfSSL_Atomic_Int_CompareExchange(
wolfSSL_Atomic_Int* c, int *expected_i, int new_i);
WOLFSSL_API unsigned int wolfSSL_Atomic_Uint_FetchAdd(
@@ -652,6 +654,13 @@
static WC_INLINE int wolfSSL_Atomic_Int_SubFetch(int *c, int i) {
return (*c -= i);
}
static WC_INLINE int wolfSSL_Atomic_Int_Exchange(
int *c, int new_i)
{
int ret = *c;
*c = new_i;
return ret;
}
static WC_INLINE int wolfSSL_Atomic_Int_CompareExchange(
int *c, int *expected_i, int new_i)
{