libcilkrts/runtime/bug.cpp

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