![]() ![]() |
![]() |
File: [Pegasus] / pegasus / src / Pegasus / Common / Attic / AtomicInt_HPUX_PARISC_ACC.h
(download)
Revision: 1.3, Mon Jan 30 16:16:46 2006 UTC (18 years, 5 months ago) by karl Branch: MAIN CVS Tags: TASK_PEP233_EmbeddedInstSupport-merge_out_trunk, TASK_BUG_5314_IPC_REFACTORING_ROOT, TASK_BUG_5191_QUEUE_CONSOLIDATION_ROOT, TASK_BUG_5191_QUEUE_CONSOLIDATION_BRANCH, TASK-PEP250_RPMProvider-root, TASK-PEP250_RPMProvider-merged_out_to_branch, TASK-PEP250_RPMProvider-merged_out_from_trunk, TASK-PEP250_RPMProvider-merged_in_to_trunk, TASK-PEP250_RPMProvider-merged_in_from_branch, TASK-PEP250_RPMProvider-branch, TASK-PEP245_CimErrorInfrastructure-root, TASK-PEP245_CimErrorInfrastructure-merged_out_to_branch, TASK-PEP245_CimErrorInfrastructure-merged_out_from_trunk, TASK-PEP245_CimErrorInfrastructure-merged_in_to_trunk, TASK-PEP245_CimErrorInfrastructure-merged_in_from_branch, TASK-PEP245_CimErrorInfrastructure-branch, TASK-PEP241_OpenPegasusStressTests-root, TASK-PEP241_OpenPegasusStressTests-merged_out_to_branch, TASK-PEP241_OpenPegasusStressTests-merged_out_from_trunk, TASK-PEP241_OpenPegasusStressTests-merged_in_to_trunk, TASK-PEP241_OpenPegasusStressTests-merged_in_from_branch, TASK-PEP241_OpenPegasusStressTests-branch, TASK-BUG4011_WinLocalConnect-root, TASK-BUG4011_WinLocalConnect-merged_out_to_branch, TASK-BUG4011_WinLocalConnect-merged_out_from_trunk, TASK-BUG4011_WinLocalConnect-merged_in_to_trunk, TASK-BUG4011_WinLocalConnect-merged_in_from_branch, TASK-BUG4011_WinLocalConnect-branch, RELEASE_2_5_5-RC2, RELEASE_2_5_5-RC1, RELEASE_2_5_5, RELEASE_2_5_4-RC2, RELEASE_2_5_4-RC1, RELEASE_2_5_4, RELEASE_2_5_3-RC1, RELEASE_2_5_3, RELEASE_2_5_2-RC1, RELEASE_2_5_2, RELEASE_2_5_1-RC1, RELEASE_2_5_1, RELEASE_2_5-root, RELEASE_2_5-branch Branch point for: TASK_BUG_5314_IPC_REFACTORING_BRANCH Changes since 1.2: +4 -2 lines BUG#: 4691 TITLE: Update Licenses to 2006 DESCRIPTION: Updates most of the licenses to 2006. The slp_client directories are excluded for the moment pending discussion. This change has passed unit and system tests. Note that this changes just about EVERY file in Pegasus. |
//%2006//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; Symantec Corporation; The Open Group. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // //============================================================================== // // Author: Mike Brasher (mike-brasher@austin.rr.com) - Inova Europe // //%///////////////////////////////////////////////////////////////////////////// #ifndef _Pegasus_Common_AtomicInt_HPUX_PARISC_ACC_h #define _Pegasus_Common_AtomicInt_HPUX_PARISC_ACC_h #include <Pegasus/Common/Config.h> #include <machine/sys/inline.h> PEGASUS_NAMESPACE_BEGIN #define PEGASUS_ATOMIC_UNLOCKED_MASK 0x80000000 inline Uint32 AtomicLoadAndClear(volatile Uint32* x) { #if 1 // Warning: x must be aligned on a 16-byte boundary on older PA-RISC chips. register Uint32 volatile* addr = (Uint32 volatile*)x; register Uint32 t = 0; // This memory access speeds up LDCWS according to HP documentation. ((volatile char*)(x + 1))[0] = 0; _asm("LDCWS,CO",0,0,addr,t); return t; #else // Non-thread-safe version for testing with single thread. Uint32 t = *x; *x = 0; return t; #endif } inline Uint32 AtomicObtainSpinlock(volatile Uint32* x) { Uint32 t; // Spin here while not available. while (*x == 0 || (t = AtomicLoadAndClear(x)) == 0) ; return t; } struct AtomicType { // This is the only data type that is aligned on a 16 byte boundary // (a requirement of the LDCWS instruction used in this module). #if 1 volatile __float80 rep; #else char rep[16]; #endif }; inline volatile Uint32* AtomicCounter(AtomicType* a) { return (volatile Uint32*)a; } PEGASUS_TEMPLATE_SPECIALIZATION inline AtomicIntTemplate<AtomicType>::AtomicIntTemplate(Uint32 n) { *AtomicCounter(&_rep) = PEGASUS_ATOMIC_UNLOCKED_MASK | n; } PEGASUS_TEMPLATE_SPECIALIZATION inline AtomicIntTemplate<AtomicType>::~AtomicIntTemplate() { // Nothing to do! } PEGASUS_TEMPLATE_SPECIALIZATION inline Uint32 AtomicIntTemplate<AtomicType>::get() const { Uint32 t; // Spin here until available. volatile Uint32* c = AtomicCounter((AtomicType*)&_rep); while ((t = *c) == 0) ; return ~PEGASUS_ATOMIC_UNLOCKED_MASK & t; } PEGASUS_TEMPLATE_SPECIALIZATION inline void AtomicIntTemplate<AtomicType>::set(Uint32 n) { volatile Uint32* c = AtomicCounter(&_rep); AtomicObtainSpinlock(c); *c = PEGASUS_ATOMIC_UNLOCKED_MASK | n; } PEGASUS_TEMPLATE_SPECIALIZATION inline void AtomicIntTemplate<AtomicType>::inc() { volatile Uint32* c = AtomicCounter(&_rep); Uint32 t = AtomicObtainSpinlock(c); *c = t + 1; } PEGASUS_TEMPLATE_SPECIALIZATION inline void AtomicIntTemplate<AtomicType>::dec() { volatile Uint32* c = AtomicCounter(&_rep); Uint32 t = AtomicObtainSpinlock(c); *c = t - 1; } PEGASUS_TEMPLATE_SPECIALIZATION inline bool AtomicIntTemplate<AtomicType>::decAndTestIfZero() { volatile Uint32* c = AtomicCounter(&_rep); Uint32 t = AtomicObtainSpinlock(c); t -= 1; *c = t; return (~PEGASUS_ATOMIC_UNLOCKED_MASK & t) == 0; } PEGASUS_NAMESPACE_END #endif /* _Pegasus_Common_AtomicInt_HPUX_PARISC_ACC_h */
No CVS admin address has been configured |
Powered by ViewCVS 0.9.2 |