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authorPauli <pauli@openssl.org>2021-06-17 12:36:33 +1000
committerPauli <ppzgs1@gmail.com>2021-09-25 10:39:20 +1000
commitb0b456f8c8b628c3d7e212339e31cbfd06ac4ec8 (patch)
treee40caa91c6da30d3f917e17e8d8717863d563cd3 /include
parent75cce8ddee8c108039d0329c4f84466aad0f9c3c (diff)
tsan: add an addition macro
Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/15713)
Diffstat (limited to 'include')
-rw-r--r--include/internal/tsan_assist.h22
1 files changed, 10 insertions, 12 deletions
diff --git a/include/internal/tsan_assist.h b/include/internal/tsan_assist.h
index f8285b1d85..c67c591e0e 100644
--- a/include/internal/tsan_assist.h
+++ b/include/internal/tsan_assist.h
@@ -56,8 +56,7 @@
# define TSAN_QUALIFIER _Atomic
# define tsan_load(ptr) atomic_load_explicit((ptr), memory_order_relaxed)
# define tsan_store(ptr, val) atomic_store_explicit((ptr), (val), memory_order_relaxed)
-# define tsan_counter(ptr) atomic_fetch_add_explicit((ptr), 1, memory_order_relaxed)
-# define tsan_decr(ptr) atomic_fetch_add_explicit((ptr), -1, memory_order_relaxed)
+# define tsan_add(ptr, n) atomic_fetch_add_explicit((ptr), (n), memory_order_relaxed)
# define tsan_ld_acq(ptr) atomic_load_explicit((ptr), memory_order_acquire)
# define tsan_st_rel(ptr, val) atomic_store_explicit((ptr), (val), memory_order_release)
# endif
@@ -69,8 +68,7 @@
# define TSAN_QUALIFIER volatile
# define tsan_load(ptr) __atomic_load_n((ptr), __ATOMIC_RELAXED)
# define tsan_store(ptr, val) __atomic_store_n((ptr), (val), __ATOMIC_RELAXED)
-# define tsan_counter(ptr) __atomic_fetch_add((ptr), 1, __ATOMIC_RELAXED)
-# define tsan_decr(ptr) __atomic_fetch_add((ptr), -1, __ATOMIC_RELAXED)
+# define tsan_add(ptr, n) __atomic_fetch_add((ptr), (n), __ATOMIC_RELAXED)
# define tsan_ld_acq(ptr) __atomic_load_n((ptr), __ATOMIC_ACQUIRE)
# define tsan_st_rel(ptr, val) __atomic_store_n((ptr), (val), __ATOMIC_RELEASE)
# endif
@@ -113,13 +111,10 @@
# pragma intrinsic(_InterlockedExchangeAdd)
# ifdef _WIN64
# pragma intrinsic(_InterlockedExchangeAdd64)
-# define tsan_counter(ptr) (sizeof(*(ptr)) == 8 ? _InterlockedExchangeAdd64((ptr), 1) \
- : _InterlockedExchangeAdd((ptr), 1))
-# define tsan_decr(ptr) (sizeof(*(ptr)) == 8 ? _InterlockedExchangeAdd64((ptr), -1) \
- : _InterlockedExchangeAdd((ptr), -1))
+# define tsan_add(ptr, n) (sizeof(*(ptr)) == 8 ? _InterlockedExchangeAdd64((ptr), (n)) \
+ : _InterlockedExchangeAdd((ptr), (n)))
# else
-# define tsan_counter(ptr) _InterlockedExchangeAdd((ptr), 1)
-# define tsan_decr(ptr) _InterlockedExchangeAdd((ptr), -1)
+# define tsan_add(ptr, n) _InterlockedExchangeAdd((ptr), (n))
# endif
# if !defined(_ISO_VOLATILE)
# define tsan_ld_acq(ptr) (*(ptr))
@@ -133,8 +128,7 @@
# define TSAN_QUALIFIER volatile
# define tsan_load(ptr) (*(ptr))
# define tsan_store(ptr, val) (*(ptr) = (val))
-# define tsan_counter(ptr) ((*(ptr))++)
-# define tsan_decr(ptr) ((*(ptr))--)
+# define tsan_add(ptr, n) (*(ptr) += (n))
/*
* Lack of tsan_ld_acq and tsan_ld_rel means that compiler support is not
* sophisticated enough to support them. Code that relies on them should be
@@ -142,3 +136,7 @@
*/
#endif
+
+#define tsan_counter(ptr) tsan_add((ptr), 1)
+#define tsan_decr(ptr) tsan_add((ptr), -1)
+