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142 lines
5.1 KiB
C++
142 lines
5.1 KiB
C++
/* bug.h -*-C++-*-
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*
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*************************************************************************
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*
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* @copyright
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* Copyright (C) 2009-2013, Intel Corporation
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* All rights reserved.
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*
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* @copyright
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* @copyright
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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**************************************************************************/
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/**
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* @file bug.h
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*
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* @brief Support for reporting bugs and debugging.
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*/
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#ifndef INCLUDED_BUG_DOT_H
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#define INCLUDED_BUG_DOT_H
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#include "rts-common.h"
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#include <cilk/common.h>
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__CILKRTS_BEGIN_EXTERN_C
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/**
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* Flush all output, write error message to stderr and abort the execution.
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* On Windows the error is also written to the debugger.
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*
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* @param fmt printf-style format string. Any remaining parameters will be
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* be interpreted based on the format string text.
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*/
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COMMON_PORTABLE NORETURN __cilkrts_bug(const char *fmt,...) cilk_nothrow;
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#ifndef CILK_ASSERT
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/** Standard text for failed assertion */
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COMMON_PORTABLE extern const char *const __cilkrts_assertion_failed;
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/**
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* Macro to assert an invariant that must be true. If the statement evalutes
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* to false, __cilkrts_bug will be called to report the failure and terminate
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* the application.
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*/
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#define CILK_ASSERT(ex) \
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(__builtin_expect((ex) != 0, 1) ? (void)0 : \
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__cilkrts_bug(__cilkrts_assertion_failed, __FILE__, __LINE__, #ex))
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#define CILK_ASSERT_MSG(ex, msg) \
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(__builtin_expect((ex) != 0, 1) ? (void)0 : \
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__cilkrts_bug(__cilkrts_assertion_failed, __FILE__, __LINE__, \
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#ex "\n " msg))
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#endif // CILK_ASSERT
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/**
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* Assert that there is no uncaught exception.
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*
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* Not valid on Windows or Android.
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*
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* On Android, calling std::uncaught_exception with the stlport library causes
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* a seg fault. Since we're not supporting exceptions there at this point,
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* just don't do the check. It works with the GNU STL library, but that's
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* GPL V3 licensed.
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*/
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COMMON_PORTABLE void cilkbug_assert_no_uncaught_exception(void);
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#if defined(_WIN32) || defined(__ANDROID__)
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# define CILKBUG_ASSERT_NO_UNCAUGHT_EXCEPTION()
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#else
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# define CILKBUG_ASSERT_NO_UNCAUGHT_EXCEPTION() \
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cilkbug_assert_no_uncaught_exception()
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#endif
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/**
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* Call __cilkrts_bug with a standard message that the runtime state is
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* corrupted and the application is being terminated.
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*/
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COMMON_SYSDEP void abort_because_rts_is_corrupted(void);
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// Debugging aids
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#ifndef _DEBUG
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# define DBGPRINTF(_fmt, ...)
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#elif defined(_WIN32)
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/**
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* Write debugging output. On windows this is written to the debugger.
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*
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* @param fmt printf-style format string. Any remaining parameters will be
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* be interpreted based on the format string text.
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*/
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COMMON_SYSDEP void __cilkrts_dbgprintf(const char *fmt,...) cilk_nothrow;
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/**
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* Macro to write debugging output which will be elided if this is not a
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* debug build. The macro is currently always elided on non-Windows builds.
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*
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* @param _fmt printf-style format string. Any remaining parameters will be
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* be interpreted based on the format string text.
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*/
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# define DBGPRINTF(_fmt, ...) __cilkrts_dbgprintf(_fmt, __VA_ARGS__)
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#else /* if _DEBUG && !_WIN32 */
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/* Non-Windows debug logging. Someday we should make GetCurrentFiber()
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* and GetWorkerFiber() do something.
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*/
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# include <stdio.h>
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__CILKRTS_INLINE void* GetCurrentFiber() { return 0; }
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__CILKRTS_INLINE void* GetWorkerFiber(__cilkrts_worker* w) { return 0; }
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# define DBGPRINTF(_fmt, ...) fprintf(stderr, _fmt, __VA_ARGS__)
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#endif // _DEBUG
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__CILKRTS_END_EXTERN_C
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#endif // ! defined(INCLUDED_BUG_DOT_H)
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