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File: [Pegasus] / pegasus / src / Pegasus / Common / SpinLock.h
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Revision: 1.4, Mon Jan 30 16:17:08 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 1.3: +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, Inova Europe (mike-brasher@austin.rr.com) // //%///////////////////////////////////////////////////////////////////////////// #ifndef Pegasus_SpinLock_h #define Pegasus_SpinLock_h #include <Pegasus/Common/Config.h> #if defined (PEGASUS_PLATFORM_HPUX_PARISC_ACC) # include <Pegasus/Common/SpinLock_HPUX_PARISC_ACC.h> #elif defined (PEGASUS_PLATFORM_SOLARIS_SPARC_GNU) # include <Pegasus/Common/SpinLock_SOLARIS_SPARC_GNU.h> #elif defined (PEGASUS_PLATFORM_LINUX_IX86_GNU) # include <Pegasus/Common/SpinLock_LINUX_IX86_GNU.h> #elif defined (PEGASUS_PLATFORM_LINUX_IX86_64_GNU) # include <Pegasus/Common/SpinLock_LINUX_IX86_GNU.h> #else # include <Pegasus/Common/SpinLock_Generic.h> #endif #define PEGASUS_NUM_SHARED_SPIN_LOCKS 64 PEGASUS_NAMESPACE_BEGIN // This array defines spin locks shared across the system. These are // initialized by calling SpinLockCreatePool(). extern SpinLock spinLockPool[PEGASUS_NUM_SHARED_SPIN_LOCKS]; // This flag is 0 until SpinLockCreatePool() is called, which sets it // to 1. extern int spinLockPoolInitialized; // Initializes the global pool of mutexes. void SpinLockCreatePool(); // Maps an address into the spinLockPool[] array defined above. This is used // to assign objects (by their addresses) to a shared lock. Collisions are // okay. inline size_t SpinLockIndex(const void* x) { // Throw away the lower two bits since they are almost always zero // anyway due to alignment properties. return ((unsigned long)x >> 2) % PEGASUS_NUM_SHARED_SPIN_LOCKS; } // Call this function before forking to unlock the spinlocks in the global // spinlock pool (spinLockPool). void SpinLockInit(); PEGASUS_NAMESPACE_END #endif /* Pegasus_SpinLock_h */
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