/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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/. */
/* * The crash reason is defined as a global variable here rather than in the * crash reporter itself to make it available to all code, even libraries like * JS that don't link with the crash reporter directly. This value will only * be consumed if the crash reporter is used by the target application.
*/
MFBT_DATA constchar* gMozCrashReason = nullptr;
// Accesses to this atomic are not included in web replay recordings, so that // if we crash in an area where recorded events are not allowed the true reason // for the crash is not obscured by a record/replay error. static mozilla::Atomic<bool, mozilla::SequentiallyConsistent> sCrashing(false);
MFBT_API MOZ_COLD MOZ_NEVER_INLINE MOZ_FORMAT_PRINTF(1, 2) const char* MOZ_CrashPrintf(constchar* aFormat, ...) { if (!sCrashing.compareExchange(false, true)) { // In the unlikely event of a race condition, skip // setting the crash reason and just crash safely.
MOZ_RELEASE_ASSERT(false);
}
va_list aArgs;
va_start(aArgs, aFormat); int ret = VsprintfLiteral(sPrintfCrashReason, aFormat, aArgs);
va_end(aArgs);
MOZ_RELEASE_ASSERT(
ret >= 0 && size_t(ret) < sPrintfCrashReasonSize, "Could not write the explanation string to the supplied buffer!"); return sPrintfCrashReason;
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.