________________________________________
From: Alan Coopersmith [alan.coopersm...@sun.com]
Sent: Saturday, February 06, 2010 3:37
To: mesa3d-dev@lists.sourceforge.net
Cc: Alan Coopersmith
Subject: [Mesa3d-dev] [PATCH] Gallium: Add Solaris atomic function
definitions to u_atomic.h
Signed-off-by: Alan Coopersmith <alan.coopersm...@sun.com>
---
src/gallium/auxiliary/util/u_atomic.h | 36 ++++++++++++++++++++++++++++++++-
1 files changed, 35 insertions(+), 1 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_atomic.h
b/src/gallium/auxiliary/util/u_atomic.h
index 540112f..e4750c0 100644
--- a/src/gallium/auxiliary/util/u_atomic.h
+++ b/src/gallium/auxiliary/util/u_atomic.h
@@ -20,7 +20,9 @@
*/
#if (defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || \
defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT))
-#define PIPE_ATOMIC_OS_UNLOCKED
+#define PIPE_ATOMIC_OS_UNLOCKED
+#elif defined(PIPE_OS_SOLARIS)
+#define PIPE_ATOMIC_OS_SOLARIS
#elif defined(PIPE_CC_MSVC)
#define PIPE_ATOMIC_MSVC_INTRINSIC
#elif (defined(PIPE_CC_MSVC) && defined(PIPE_ARCH_X86))
@@ -260,6 +262,38 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
#endif
+#if defined(PIPE_ATOMIC_OS_SOLARIS)
+
+#define PIPE_ATOMIC "Solaris OS atomic functions"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <atomic.h>
It's probably fine for Solaris, but putting OS includes inside extern "C"
sometimes causes problems -- it does with certain MS headers.
Other than that it looks fine.
Jose
+
+#define p_atomic_set(_v, _i) (*(_v) = (_i))
+#define p_atomic_read(_v) (*(_v))
+
+static INLINE boolean
+p_atomic_dec_zero(int32_t *v)
+{
+ uint32_t n = atomic_dec_32_nv((uint32_t *) v);
+
+ return n != 0;
+}
+
+#define p_atomic_inc(_v) atomic_inc_32((uint32_t *) _v)
+#define p_atomic_dec(_v) atomic_dec_32((uint32_t *) _v)
+
+#define p_atomic_cmpxchg(_v, _old, _new) \
+ atomic_cas_32( (uint32_t *) _v, (uint32_t) _old, (uint32_t) _new)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
#ifndef PIPE_ATOMIC
--
1.5.6.5
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