pegasus/src/Pegasus/Common/Threads.h - diff

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Diff for /pegasus/src/Pegasus/Common/Threads.h between version 1.15 and 1.22

version 1.15, 2008/05/21 10:44:48

version 1.22, 2013/02/13 18:21:14

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//%2006////////////////////////////////////////////////////////////////////////

//%LICENSE////////////////////////////////////////////////////////////////

// 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

// 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

// Source License; you may not use this file except in compliance with the

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// License.

// EMC Corporation; VERITAS Software 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"),

// 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

// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//==============================================================================

//////////////////////////////////////////////////////////////////////////

//%/////////////////////////////////////////////////////////////////////////////

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# error "<Pegasus/Common/Threads.h>: not implemented"

#endif

#if defined(PEGASUS_OS_SOLARIS)

# include <string.h>

# include <stdio.h>

#endif

PEGASUS_NAMESPACE_BEGIN

//==============================================================================

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static void exit(ThreadReturnType rc);

static void cancel(ThreadType th, ThreadReturnType rc);

static void yield();

static void sleep(int msec);

static void cleanup_push(void (*start)(void*), void* arg);

static void cleanup_pop(int execute);

static ThreadId id(const ThreadType& x = Threads::self());

static bool null(const ThreadType& x = Threads::self());

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pthread_exit(rc);

}

inline void Threads::cancel(ThreadType th, ThreadReturnType rc)

{

pthread_cancel(th.thread);

}

inline void Threads::yield()

{

#if defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX) || \

#ifdef PEGASUS_OS_LINUX

defined(PEGASUS_PLATFORM_PASE_ISERIES_IBMCXX) || \

defined(PEGASUS_PLATFORM_HPUX_ACC) || \

defined(PEGASUS_PLATFORM_TRU64_ALPHA_DECCXX) || \

defined(PEGASUS_OS_VMS) || \

defined(PEGASUS_OS_ZOS) || \

defined(PEGASUS_OS_DARWIN)

sched_yield();

#else

pthread_yield();

#else

sched_yield();

#endif

}

inline void Threads::cleanup_push(void (*func)(void*), void* arg)

{

// ATTN: it is doubtful whether cleanup handlers ever really worked.

// They are only used in two places and not used in many other

// places where mutexes are obtained. Further, they are only

// implemented correctly on one or two platforms. For now, we

// will defer their implementation until we can find a way to

// implement them on all platforms (using thread local storage).

}

inline void Threads::cleanup_pop(int execute)

{

// ATTN: not implemented.

}

inline ThreadId Threads::id(const ThreadType& x)

{

ThreadId tid;

ThreadId tid = { { 0 } };

#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)

#if defined(PEGASUS_OS_ZOS)

const char* s = x.thread.__;

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]);

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inline bool Threads::null(const ThreadType& x)

{

#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)

#if defined(PEGASUS_OS_ZOS)

Uint64 tmp;

memcpy(&tmp, x.thread.__, sizeof(Uint64));

return tmp == 0;

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_endthreadex(rc);

}

inline void Threads::cancel(ThreadType th, ThreadReturnType rc)

{

TerminateThread(th.handle, rc);

}

inline void Threads::yield()

{

Sleep(0);

}

inline void Threads::cleanup_push(void (*func)(void*), void* arg)

{

// ATTN: Not implemented on Windows.

}

inline void Threads::cleanup_pop(int execute)

{

// ATTN: Not implemented on Windows.

}

inline ThreadId Threads::id(const ThreadType& x)

{

ThreadId tmp;

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Removed from v.1.15
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	Added in v.1.22

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