Initial Commit - Lesson 31 (Commit #1)

Plugins/GameLiftServerSDK/ThirdParty/concurrentqueue/benchmarks/tbb/ibm_aix51/atomic_support.c

@@ -0,0 +1,55 @@
+/*
+    Copyright 2005-2014 Intel Corporation.  All Rights Reserved.
+
+    This file is part of Threading Building Blocks. Threading Building Blocks is free software;
+    you can redistribute it and/or modify it under the terms of the GNU General Public License
+    version 2  as  published  by  the  Free Software Foundation.  Threading Building Blocks is
+    distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
+    implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+    See  the GNU General Public License for more details.   You should have received a copy of
+    the  GNU General Public License along with Threading Building Blocks; if not, write to the
+    Free Software Foundation, Inc.,  51 Franklin St,  Fifth Floor,  Boston,  MA 02110-1301 USA
+
+    As a special exception,  you may use this file  as part of a free software library without
+    restriction.  Specifically,  if other files instantiate templates  or use macros or inline
+    functions from this file, or you compile this file and link it with other files to produce
+    an executable,  this file does not by itself cause the resulting executable to be covered
+    by the GNU General Public License. This exception does not however invalidate any other
+    reasons why the executable file might be covered by the GNU General Public License.
+*/
+
+#include <stdint.h>
+#include <sys/atomic_op.h>
+
+/* This file must be compiled with gcc.  The IBM compiler doesn't seem to
+   support inline assembly statements (October 2007). */
+
+#ifdef __GNUC__
+
+int32_t __TBB_machine_cas_32 (volatile void* ptr, int32_t value, int32_t comparand) { 
+    __asm__ __volatile__ ("sync\n");  /* memory release operation */
+    compare_and_swap ((atomic_p) ptr, &comparand, value);
+    __asm__ __volatile__ ("isync\n");  /* memory acquire operation */
+    return comparand;
+}
+
+int64_t __TBB_machine_cas_64 (volatile void* ptr, int64_t value, int64_t comparand) { 
+    __asm__ __volatile__ ("sync\n");  /* memory release operation */
+    compare_and_swaplp ((atomic_l) ptr, &comparand, value);
+    __asm__ __volatile__ ("isync\n");  /* memory acquire operation */
+    return comparand;
+}
+
+void __TBB_machine_flush () { 
+    __asm__ __volatile__ ("sync\n");
+}
+
+void __TBB_machine_lwsync () { 
+    __asm__ __volatile__ ("lwsync\n");
+}
+
+void __TBB_machine_isync () { 
+    __asm__ __volatile__ ("isync\n");
+}
+
+#endif /* __GNUC__ */