1 mike  1.2 //%2005////////////////////////////////////////////////////////////////////////
  2           //
  3           // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
  4           // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
  5           // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
  6           // IBM Corp.; EMC Corporation, The Open Group.
  7           // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
  8           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
  9           // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 10           // EMC Corporation; VERITAS Software Corporation; The Open Group.
 11           //
 12           // Permission is hereby granted, free of charge, to any person obtaining a copy
 13           // of this software and associated documentation files (the "Software"), to
 14           // deal in the Software without restriction, including without limitation the
 15           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 16           // sell copies of the Software, and to permit persons to whom the Software is
 17           // furnished to do so, subject to the following conditions:
 18           //
 19           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 20           // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 21           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 22 mike  1.2 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 23           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 24           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 25           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 26           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 27           //
 28           //==============================================================================
 29           //
 30           // Author: Mike Brasher (mike-brasher@austin.rr.com) - Inova Europe
 31           //
 32           //%/////////////////////////////////////////////////////////////////////////////
 33           
 34           #ifndef _Pegasus_Common_AtomicInt_HPUX_IA64_ACC_h
 35           #define _Pegasus_Common_AtomicInt_HPUX_IA64_ACC_h
 36           
 37           #include <Pegasus/Common/Config.h>
 38           #include <machine/sys/inline.h>
 39           
 40           PEGASUS_NAMESPACE_BEGIN
 41           
 42           struct AtomicType
 43 mike  1.2 {
 44               volatile Uint32 n;
 45           };
 46           
 47           PEGASUS_TEMPLATE_SPECIALIZATION
 48           inline AtomicIntTemplate<AtomicType>::AtomicIntTemplate(Uint32 n)
 49           {
 50               _rep.n = n;
 51           }
 52           
 53           PEGASUS_TEMPLATE_SPECIALIZATION
 54           inline AtomicIntTemplate<AtomicType>::~AtomicIntTemplate()
 55           {
 56               // Nothing to do!
 57           }
 58           
 59           PEGASUS_TEMPLATE_SPECIALIZATION
 60           inline Uint32 AtomicIntTemplate<AtomicType>::get() const
 61           {
 62               return _rep.n;
 63           }
 64 mike  1.2 
 65           PEGASUS_TEMPLATE_SPECIALIZATION
 66           inline void AtomicIntTemplate<AtomicType>::set(Uint32 n)
 67           {
 68               _rep.n = n;
 69           }
 70           
 71           PEGASUS_TEMPLATE_SPECIALIZATION
 72           inline void AtomicIntTemplate<AtomicType>::inc()
 73           {
 74               _Asm_fetchadd(
 75           	(_Asm_fasz)_FASZ_W,
 76           	(_Asm_sem)_SEM_ACQ,

 77 mike  1.3 	(volatile Uint32*)&_rep.n,

 78 mike  1.2 	(int)1,

 79 mike  1.3 	(_Asm_ldhint)_LDHINT_NONE);

 80 mike  1.2 }
 81           
 82           PEGASUS_TEMPLATE_SPECIALIZATION
 83           inline void AtomicIntTemplate<AtomicType>::dec()
 84           {
 85               _Asm_fetchadd(
 86           	(_Asm_fasz)_FASZ_W,
 87           	(_Asm_sem)_SEM_ACQ,

 88 mike  1.3 	(volatile Uint32*)&_rep.n,

 89 mike  1.2 	(int)-1,

 90 mike  1.3 	(_Asm_ldhint)_LDHINT_NONE);

 91 mike  1.2 }
 92           
 93           PEGASUS_TEMPLATE_SPECIALIZATION
 94           inline bool AtomicIntTemplate<AtomicType>::decAndTestIfZero()
 95           {

 96 mike  1.3     Uint32 x = _Asm_fetchadd(

 97 mike  1.2 	(_Asm_fasz)_FASZ_W,
 98           	(_Asm_sem)_SEM_ACQ,

 99 mike  1.3 	(volatile Uint32*)&_rep.n,

100 mike  1.2 	(int)-1,

101 mike  1.3 	(_Asm_ldhint)_LDHINT_NONE);

102 mike  1.2 
103               return x == 1;
104           }
105           
106           PEGASUS_NAMESPACE_END
107           
108           #endif /* _Pegasus_Common_AtomicInt_HPUX_IA64_ACC_h */