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111
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1 /* bug.cpp -*-C++-*-
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2 *
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3 *************************************************************************
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4 *
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5 * Copyright (C) 2009-2016, Intel Corporation
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6 * All rights reserved.
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions
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10 * are met:
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11 *
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12 * * Redistributions of source code must retain the above copyright
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13 * notice, this list of conditions and the following disclaimer.
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14 * * Redistributions in binary form must reproduce the above copyright
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15 * notice, this list of conditions and the following disclaimer in
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16 * the documentation and/or other materials provided with the
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17 * distribution.
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18 * * Neither the name of Intel Corporation nor the names of its
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19 * contributors may be used to endorse or promote products derived
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20 * from this software without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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26 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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29 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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32 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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33 * POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 * *********************************************************************
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36 *
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37 * PLEASE NOTE: This file is a downstream copy of a file mainitained in
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38 * a repository at cilkplus.org. Changes made to this file that are not
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39 * submitted through the contribution process detailed at
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40 * http://www.cilkplus.org/submit-cilk-contribution will be lost the next
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41 * time that a new version is released. Changes only submitted to the
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42 * GNU compiler collection or posted to the git repository at
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43 * https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are
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44 * not tracked.
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45 *
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46 * We welcome your contributions to this open source project. Thank you
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47 * for your assistance in helping us improve Cilk Plus.
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48 **************************************************************************/
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49
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50 #include "bug.h"
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51
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52 #include <exception>
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53 #include <stdio.h>
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54 #include <stdarg.h>
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55 #include <stdlib.h>
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56 #ifdef _WIN32
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57 # include "windows-clean.h"
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58 # include "internal/abi.h"
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59 # include "cilktools/cilkscreen.h"
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60 # include <crtdbg.h>
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61 #endif
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62
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63 __CILKRTS_BEGIN_EXTERN_C
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64
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65 COMMON_PORTABLE const char *const __cilkrts_assertion_failed =
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66 "%s:%d: cilk assertion failed: %s\n";
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67
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68 COMMON_PORTABLE NORETURN __cilkrts_bug(const char *fmt,...) cilk_nothrow
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69 {
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70 #if defined (_WIN32) && defined(_DEBUG)
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71 _CRTIMP void __cdecl _wassert(__in_z const wchar_t * _Message,
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72 __in_z const wchar_t *_File,
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73 __in unsigned _Line);
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74 char message[256];
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75 wchar_t wmessage[256];
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76 va_list l;
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77 va_start(l, fmt);
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78 _vsnprintf_s(message, 256, _TRUNCATE, fmt, l);
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79 va_end(l);
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80 _snwprintf_s(wmessage, 256, _TRUNCATE, _CRT_WIDE("%S"),
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81 message); /* widen */
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82
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83 // Force asserts to go to stderr and the debugger. This isn't polite, but
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84 // we're about to kill the app anyway and it will prevent our tests from
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85 // hanging
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86 _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE| _CRTDBG_MODE_DEBUG);
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87 _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
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88
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89 _wassert(wmessage, _CRT_WIDE(__FILE__), __LINE__);
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90
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91 // If there's a debugger attached, give it a chance to look at the failure
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92 if (IsDebuggerPresent())
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93 DebugBreak();
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94
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95 abort();
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96 /* __asm int 3 */
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97 #else
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98 /* To reduce user confusion, write all user-generated output
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99 before the system-generated error message. */
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100 va_list l;
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101 fflush(NULL);
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102 va_start(l, fmt);
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103 vfprintf(stderr, fmt, l);
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104 va_end(l);
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105 fflush(stderr);
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106
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107 #ifndef _WIN32
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108 abort();
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109 #endif
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110
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111 #endif
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112
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113 exit(1);
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114 }
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115
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116 COMMON_PORTABLE void cilkbug_assert_no_uncaught_exception(void)
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117 {
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118 bool uncaught = std::uncaught_exception();
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119 CILK_ASSERT(!uncaught);
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120 }
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121
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122 COMMON_SYSDEP void abort_because_rts_is_corrupted(void)
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123 {
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124 __cilkrts_bug("The Cilk Plus runtime system detected a corruption "
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125 "in its data structures. This is most likely caused "
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126 "by an application bug. Aborting execution.\n");
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127 }
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128
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129 #ifdef WIN32
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130 COMMON_SYSDEP void __cilkrts_dbgprintf(const char *fmt,...)
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131 {
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132 char message[2048];
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133 va_list l;
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134
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135 // Cilkscreen shouldn't watch this
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136 __cilkscreen_disable_checking();
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137
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138 va_start(l, fmt);
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139 _vsnprintf_s(message, 2048, _TRUNCATE, fmt, l);
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140 va_end(l);
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141 OutputDebugStringA (message);
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142
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143 // Re-enable Cilkscreen
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144 __cilkscreen_enable_checking();
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145 }
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146 #endif
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147
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148 __CILKRTS_END_EXTERN_C
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149
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150 /* End bug.cpp */
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