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Diffstat (limited to '')
| -rw-r--r-- | mfbt/TsanOptions.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/mfbt/TsanOptions.h b/mfbt/TsanOptions.h new file mode 100644 index 0000000000..a26d3e2445 --- /dev/null +++ b/mfbt/TsanOptions.h @@ -0,0 +1,90 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Default options for ThreadSanitizer. */ + +#ifndef mozilla_TsanOptions_h +#define mozilla_TsanOptions_h + +#include "mozilla/Compiler.h" + +#ifndef _MSC_VER // Not supported by clang-cl yet + +// +// When running with ThreadSanitizer, we need to explicitly set some +// options specific to our codebase to prevent errors during runtime. +// To override these, set the TSAN_OPTIONS environment variable. +// +// Currently, these are: +// +// abort_on_error=1 - Causes TSan to abort instead of using exit(). +// halt_on_error=1 - Causes TSan to stop on the first race detected. +// +// report_signal_unsafe=0 - Required to avoid TSan deadlocks when +// receiving external signals (e.g. SIGINT manually on console). +// +// allocator_may_return_null=1 - Tell TSan to return NULL when an allocation +// fails instead of aborting the program. This allows us to handle failing +// allocations the same way we would handle them with a regular allocator and +// also uncovers potential bugs that might occur in these situations. +// +extern "C" const char* __tsan_default_options() { + return "halt_on_error=1:abort_on_error=1:report_signal_unsafe=0" + ":allocator_may_return_null=1"; +} + +// These are default suppressions for external libraries that probably +// every application would want to include if it potentially loads external +// libraries like GTK/X and hence their dependencies. +# define MOZ_TSAN_DEFAULT_EXTLIB_SUPPRESSIONS \ + "called_from_lib:libatk-1\n" \ + "called_from_lib:libcairo.so\n" \ + "called_from_lib:libcairo-gobject\n" \ + "called_from_lib:libfontconfig1\n" \ + "called_from_lib:libdconfsettings\n" \ + "called_from_lib:libgdk-3\n" \ + "called_from_lib:libgdk_pixbuf\n" \ + "called_from_lib:libgdk-x11\n" \ + "called_from_lib:libgio-2\n" \ + "called_from_lib:libglib-1\n" \ + "called_from_lib:libglib-2\n" \ + "called_from_lib:libgobject\n" \ + "called_from_lib:libgtk-3\n" \ + "called_from_lib:libgtk-x11\n" \ + "called_from_lib:libgvfscommon\n" \ + "called_from_lib:libgvfsdbus\n" \ + "called_from_lib:libibus-1\n" \ + "called_from_lib:libogg.so\n" \ + "called_from_lib:libpango-1\n" \ + "called_from_lib:libpangocairo\n" \ + "called_from_lib:libpangoft2\n" \ + "called_from_lib:pango-basic-fc\n" \ + "called_from_lib:libpixman-1\n" \ + "called_from_lib:libpulse.so\n" \ + "called_from_lib:libpulsecommon\n" \ + "called_from_lib:libsecret-1\n" \ + "called_from_lib:libunity-gtk3-parser\n" \ + "called_from_lib:libvorbis.so\n" \ + "called_from_lib:libvorbisfile\n" \ + "called_from_lib:libwayland-client\n" \ + "called_from_lib:libX11.so\n" \ + "called_from_lib:libX11-xcb\n" \ + "called_from_lib:libXau\n" \ + "called_from_lib:libxcb.so\n" \ + "called_from_lib:libXcomposite\n" \ + "called_from_lib:libXcursor\n" \ + "called_from_lib:libXdamage\n" \ + "called_from_lib:libXdmcp\n" \ + "called_from_lib:libXext\n" \ + "called_from_lib:libXfixes\n" \ + "called_from_lib:libXi.so\n" \ + "called_from_lib:libXrandr\n" \ + "called_from_lib:libXrender\n" \ + "called_from_lib:libXss\n" + +#endif // _MSC_VER + +#endif /* mozilla_TsanOptions_h */ |