version 1.14, 2007/08/03 01:07:54
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version 1.22, 2013/02/13 18:21:14
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//%2006//////////////////////////////////////////////////////////////////////// |
//%LICENSE//////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
// Licensed to The Open Group (TOG) under one or more contributor license |
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with |
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; |
// this work for additional information regarding copyright ownership. |
// IBM Corp.; EMC Corporation, The Open Group. |
// Each contributor licenses this file to you under the OpenPegasus Open |
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; |
// Source License; you may not use this file except in compliance with the |
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
// License. |
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
// |
// EMC Corporation; VERITAS Software Corporation; The Open Group. |
// Permission is hereby granted, free of charge, to any person obtaining a |
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
// copy of this software and associated documentation files (the "Software"), |
// EMC Corporation; Symantec Corporation; The Open Group. |
// to deal in the Software without restriction, including without limitation |
// |
// the rights to use, copy, modify, merge, publish, distribute, sublicense, |
// Permission is hereby granted, free of charge, to any person obtaining a copy |
// and/or sell copies of the Software, and to permit persons to whom the |
// of this software and associated documentation files (the "Software"), to |
// Software is furnished to do so, subject to the following conditions: |
// deal in the Software without restriction, including without limitation the |
// |
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
// The above copyright notice and this permission notice shall be included |
// sell copies of the Software, and to permit persons to whom the Software is |
// in all copies or substantial portions of the Software. |
// furnished to do so, subject to the following conditions: |
// |
// |
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN |
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED |
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT |
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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// | // |
//============================================================================== |
////////////////////////////////////////////////////////////////////////// |
// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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// ATTN: can we consolidate these someplace? | // ATTN: can we consolidate these someplace? |
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#ifdef PEGASUS_OS_ZOS |
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# include <sched.h> |
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#endif |
#if defined(PEGASUS_HAVE_PTHREADS) | #if defined(PEGASUS_HAVE_PTHREADS) |
# include <pthread.h> | # include <pthread.h> |
# include <errno.h> | # include <errno.h> |
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# error "<Pegasus/Common/Threads.h>: not implemented" | # error "<Pegasus/Common/Threads.h>: not implemented" |
#endif | #endif |
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#if defined(PEGASUS_OS_SOLARIS) |
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# include <string.h> |
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# include <stdio.h> |
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#endif |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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//============================================================================== | //============================================================================== |
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static void exit(ThreadReturnType rc); | static void exit(ThreadReturnType rc); |
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static void cancel(ThreadType th, ThreadReturnType rc); |
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static void yield(); | static void yield(); |
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static void sleep(int msec); | static void sleep(int msec); |
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static void cleanup_push(void (*start)(void*), void* arg); |
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static void cleanup_pop(int execute); |
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static ThreadId id(const ThreadType& x = Threads::self()); | static ThreadId id(const ThreadType& x = Threads::self()); |
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static bool null(const ThreadType& x = Threads::self()); | static bool null(const ThreadType& x = Threads::self()); |
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pthread_exit(rc); | pthread_exit(rc); |
} | } |
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inline void Threads::cancel(ThreadType th, ThreadReturnType rc) |
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{ |
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pthread_cancel(th.thread); |
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} |
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inline void Threads::yield() | inline void Threads::yield() |
{ | { |
#if defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX) || \ |
#ifdef PEGASUS_OS_LINUX |
defined(PEGASUS_PLATFORM_PASE_ISERIES_IBMCXX) || \ |
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defined(PEGASUS_PLATFORM_HPUX_ACC) || \ |
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defined(PEGASUS_PLATFORM_TRU64_ALPHA_DECCXX) || \ |
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defined(PEGASUS_OS_VMS) || \ |
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defined(PEGASUS_OS_ZOS) || \ |
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defined(PEGASUS_OS_DARWIN) |
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sched_yield(); |
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#else |
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pthread_yield(); | pthread_yield(); |
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#else |
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sched_yield(); |
#endif | #endif |
} | } |
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inline void Threads::cleanup_push(void (*func)(void*), void* arg) |
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{ |
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// ATTN: it is doubtful whether cleanup handlers ever really worked. |
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// They are only used in two places and not used in many other |
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// places where mutexes are obtained. Further, they are only |
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// implemented correctly on one or two platforms. For now, we |
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// will defer their implementation until we can find a way to |
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// implement them on all platforms (using thread local storage). |
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} |
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inline void Threads::cleanup_pop(int execute) |
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{ |
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// ATTN: not implemented. |
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} |
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inline ThreadId Threads::id(const ThreadType& x) | inline ThreadId Threads::id(const ThreadType& x) |
{ | { |
ThreadId tid; |
ThreadId tid = { { 0 } }; |
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#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
#if defined(PEGASUS_OS_ZOS) |
const char* s = x.thread.__; | const char* s = x.thread.__; |
sprintf(tid.buffer, "%X%X%X%X%X%X%X%X", | sprintf(tid.buffer, "%X%X%X%X%X%X%X%X", |
s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7]); | s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7]); |
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inline bool Threads::null(const ThreadType& x) | inline bool Threads::null(const ThreadType& x) |
{ | { |
#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
#if defined(PEGASUS_OS_ZOS) |
Uint64 tmp; | Uint64 tmp; |
memcpy(&tmp, x.thread.__, sizeof(Uint64)); | memcpy(&tmp, x.thread.__, sizeof(Uint64)); |
return tmp == 0; | return tmp == 0; |
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_endthreadex(rc); | _endthreadex(rc); |
} | } |
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inline void Threads::cancel(ThreadType th, ThreadReturnType rc) |
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{ |
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TerminateThread(th.handle, rc); |
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} |
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inline void Threads::yield() | inline void Threads::yield() |
{ | { |
Sleep(0); | Sleep(0); |
} | } |
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inline void Threads::cleanup_push(void (*func)(void*), void* arg) |
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{ |
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// ATTN: Not implemented on Windows. |
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} |
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inline void Threads::cleanup_pop(int execute) |
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{ |
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// ATTN: Not implemented on Windows. |
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} |
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inline ThreadId Threads::id(const ThreadType& x) | inline ThreadId Threads::id(const ThreadType& x) |
{ | { |
ThreadId tmp; | ThreadId tmp; |