/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * 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/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
void sal_detail_initialize(int argc, char ** argv) { if (argc == sal::detail::InitializeSoffice)
{
sal::detail::setSoffice(); return;
} #ifdefined MACOSX && !HAVE_FEATURE_MACOSX_SANDBOX // On macOS when not sandboxed, soffice can restart itself via exec (see // restartOnMac in desktop/source/app/app.cxx), which leaves all file // descriptors open, which in turn can have unwanted effects (see // <https://bugs.libreoffice.org/show_bug.cgi?id=50603> "Unable to update // LibreOffice without resetting user profile"). But closing fds in // restartOnMac before calling exec does not work, as additional threads // might still be running then, which can still use those fds and cause // crashes. Therefore, the simplest solution is to close fds at process // start (as early as possible, so that no other threads have been created // yet that might already have opened some fds); this is done for all kinds // of processes here, not just soffice, but hopefully none of our processes // rely on being spawned with certain fds already open. Unfortunately, Mac // macOS appears to have no better interface to close all fds (like // closefrom): long openMax = sysconf(_SC_OPEN_MAX); // When LibreOffice restarts itself on macOS 11 beta on arm64, for // some reason sysconf(_SC_OPEN_MAX) returns 0x7FFFFFFFFFFFFFFF, // so use a sanity limit here. if (openMax == -1 || openMax == std::numeric_limits<long>::max()) {
openMax = 100000;
}
assert(openMax >= 0 && openMax <= std::numeric_limits< int >::max()); for (int fd = 3; fd < int(openMax); ++fd) { struct stat s; if (fstat(fd, &s) != -1 && S_ISREG(s.st_mode))
close(fd);
} #endif
sal_initGlobalTimer(); #if HAVE_SYSLOG_H constchar *use_syslog = getenv("SAL_LOG_SYSLOG");
sal_use_syslog = use_syslog != nullptr && !strcmp(use_syslog, "1"); if (sal_use_syslog)
openlog("libreoffice", 0, LOG_USER); #endif
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