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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kControl
#include "mongo/platform/basic.h"
#ifdef _WIN32
#include <crtdbg.h>
#include <mmsystem.h>
#include <stdio.h>
#include <stdlib.h>
#endif
#include "mongo/base/init.h"
#include "mongo/util/log.h"
#include "mongo/util/stacktrace.h"
#ifdef _WIN32
namespace mongo {
namespace {
StringData firstLine(const char* s) {
const char* eol = s;
while (*eol && *eol != '\n')
++eol;
return StringData(s, eol - s);
}
StringData severity(int t) {
switch (t) {
case _CRT_WARN:
return "WARN"_sd;
case _CRT_ERROR:
return "ERROR"_sd;
case _CRT_ASSERT:
return "ASSERT"_sd;
}
return ""_sd;
}
extern "C" {
// Print C runtime message, then fassert if it's more severe than a warning.
int __cdecl crtDebugCallback(int nRptType, char* originalMessage, int* returnValue) noexcept {
*returnValue = 0; // Returned by _CrtDbgReport. (1: starts the debugger).
bool die = (nRptType != _CRT_WARN);
log() << "*** C runtime " << severity(nRptType) << ": " << firstLine(originalMessage)
<< (die ? ", terminating"_sd : ""_sd);
if (die) {
fassertFailed(17006);
}
return TRUE;
}
} // extern "C"
} // namespace
MONGO_INITIALIZER(Behaviors_Win32)(InitializerContext*) {
// do not display dialog on abort()
_set_abort_behavior(0, _CALL_REPORTFAULT | _WRITE_ABORT_MSG);
// hook the C runtime's error display
_CrtSetReportHook(&crtDebugCallback);
if (_setmaxstdio(2048) == -1) {
warning() << "Failed to increase max open files limit from default of 512 to 2048";
}
// Let's try to set minimum Windows Kernel quantum length to smallest viable timer resolution in
// order to allow sleepmillis() to support waiting periods below Windows default quantum length
// (which can vary per Windows version)
// See https://msdn.microsoft.com/en-us/library/windows/desktop/dd743626(v=vs.85).aspx
TIMECAPS tc;
int targetResolution = 1;
int timerResolution;
if (timeGetDevCaps(&tc, sizeof(TIMECAPS)) != TIMERR_NOERROR) {
warning() << "Failed to read timer resolution range.";
if (timeBeginPeriod(1) != TIMERR_NOERROR) {
warning() << "Failed to set minimum timer resolution to 1 millisecond.";
}
} else {
timerResolution =
std::min(std::max(int(tc.wPeriodMin), targetResolution), int(tc.wPeriodMax));
invariant(timeBeginPeriod(timerResolution) == TIMERR_NOERROR);
}
return Status::OK();
}
} // namespace mongo
#endif // _WIN32
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