2014-10-31 18:17:05 +00:00
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// Copyright (c) 2013 GitHub, Inc.
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2014-04-25 09:49:37 +00:00
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// Use of this source code is governed by the MIT license that can be
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2013-04-12 01:46:58 +00:00
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// found in the LICENSE file.
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2020-02-04 20:19:40 +00:00
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#include "shell/app/electron_main.h"
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2013-11-05 05:12:13 +00:00
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2019-06-13 06:42:21 +00:00
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#include <algorithm>
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2018-01-22 22:49:30 +00:00
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#include <cstdlib>
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2018-12-13 00:01:10 +00:00
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#include <memory>
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2020-05-07 20:31:26 +00:00
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#include <string>
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#include <utility>
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2018-01-22 22:49:30 +00:00
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#include <vector>
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2013-11-05 02:00:11 +00:00
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2021-07-26 16:02:16 +00:00
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#if defined(OS_POSIX)
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#include <sys/stat.h>
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2021-11-24 08:45:59 +00:00
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#include "base/ignore_result.h"
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2021-07-26 16:02:16 +00:00
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#endif
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2013-11-05 02:00:11 +00:00
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#if defined(OS_WIN)
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2016-08-26 22:43:40 +00:00
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#include <windows.h> // windows.h must be included first
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2017-08-30 08:28:45 +00:00
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#include <atlbase.h> // ensures that ATL statics like `_AtlWinModule` are initialized (it's an issue in static debug build)
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2016-08-26 22:30:02 +00:00
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#include <shellapi.h>
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2015-01-23 00:09:03 +00:00
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#include <shellscalingapi.h>
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#include <tchar.h>
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2013-11-05 02:00:11 +00:00
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2014-07-11 12:58:00 +00:00
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#include "base/environment.h"
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2016-05-31 01:19:13 +00:00
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#include "base/process/launch.h"
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2018-01-22 22:49:30 +00:00
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#include "base/strings/utf_string_conversions.h"
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2015-01-23 00:09:03 +00:00
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#include "base/win/windows_version.h"
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2020-05-07 20:31:26 +00:00
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#include "components/browser_watcher/exit_code_watcher_win.h"
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#include "components/crash/core/app/crash_switches.h"
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#include "components/crash/core/app/run_as_crashpad_handler_win.h"
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2016-03-08 04:32:54 +00:00
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#include "content/public/app/sandbox_helper_win.h"
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2013-11-05 02:00:11 +00:00
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#include "sandbox/win/src/sandbox_types.h"
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2019-06-19 20:46:59 +00:00
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#include "shell/app/command_line_args.h"
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2020-02-04 20:19:40 +00:00
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#include "shell/app/electron_main_delegate.h"
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2020-05-07 20:31:26 +00:00
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#include "third_party/crashpad/crashpad/util/win/initial_client_data.h"
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2018-11-19 16:53:55 +00:00
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#elif defined(OS_LINUX) // defined(OS_WIN)
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#include <unistd.h>
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#include <cstdio>
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2021-08-03 21:01:12 +00:00
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#include "base/base_switches.h"
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#include "base/command_line.h"
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2013-12-31 11:51:17 +00:00
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#include "content/public/app/content_main.h"
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2020-02-04 20:19:40 +00:00
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#include "shell/app/electron_main_delegate.h" // NOLINT
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#else // defined(OS_LINUX)
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2018-12-13 00:01:10 +00:00
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#include <mach-o/dyld.h>
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2018-11-19 16:53:55 +00:00
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#include <unistd.h>
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#include <cstdio>
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2020-02-04 20:19:40 +00:00
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#include "shell/app/electron_library_main.h"
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2020-08-12 18:33:58 +00:00
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#endif // defined(OS_MAC)
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2013-11-05 02:00:11 +00:00
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2015-09-03 02:28:50 +00:00
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#include "base/at_exit.h"
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2015-01-17 00:12:12 +00:00
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#include "base/i18n/icu_util.h"
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2018-10-01 20:00:53 +00:00
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#include "electron/buildflags/buildflags.h"
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2020-10-27 17:49:25 +00:00
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#include "electron/fuses.h"
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2019-06-19 20:46:59 +00:00
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#include "shell/app/node_main.h"
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2020-02-04 20:19:40 +00:00
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#include "shell/common/electron_command_line.h"
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#include "shell/common/electron_constants.h"
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2015-01-17 00:12:12 +00:00
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2019-02-14 17:48:17 +00:00
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#if defined(HELPER_EXECUTABLE) && !defined(MAS_BUILD)
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2018-12-13 00:01:10 +00:00
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#include "sandbox/mac/seatbelt_exec.h" // nogncheck
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2019-02-14 17:48:17 +00:00
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#endif
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2018-12-13 00:01:10 +00:00
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2015-11-26 12:15:35 +00:00
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namespace {
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2020-05-07 20:31:26 +00:00
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#if defined(OS_WIN)
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// Redefined here so we don't have to introduce a dependency on //content
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// from //electron:electron_app
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const char kUserDataDir[] = "user-data-dir";
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const char kProcessType[] = "type";
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#endif
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2019-01-11 16:02:06 +00:00
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ALLOW_UNUSED_TYPE bool IsEnvSet(const char* name) {
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2013-07-01 14:21:31 +00:00
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#if defined(OS_WIN)
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2015-11-26 12:15:35 +00:00
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size_t required_size;
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getenv_s(&required_size, nullptr, 0, name);
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return required_size != 0;
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#else
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char* indicator = getenv(name);
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return indicator && indicator[0] != '\0';
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#endif
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}
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2013-07-01 14:21:31 +00:00
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2018-11-19 16:53:55 +00:00
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#if defined(OS_POSIX)
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void FixStdioStreams() {
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// libuv may mark stdin/stdout/stderr as close-on-exec, which interferes
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// with chromium's subprocess spawning. As a workaround, we detect if these
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// streams are closed on startup, and reopen them as /dev/null if necessary.
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// Otherwise, an unrelated file descriptor will be assigned as stdout/stderr
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// which may cause various errors when attempting to write to them.
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//
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// For details see https://github.com/libuv/libuv/issues/2062
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struct stat st;
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if (fstat(STDIN_FILENO, &st) < 0 && errno == EBADF)
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2018-11-29 17:36:08 +00:00
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ignore_result(freopen("/dev/null", "r", stdin));
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2018-11-19 16:53:55 +00:00
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if (fstat(STDOUT_FILENO, &st) < 0 && errno == EBADF)
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2018-11-29 17:36:08 +00:00
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ignore_result(freopen("/dev/null", "w", stdout));
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2018-11-19 16:53:55 +00:00
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if (fstat(STDERR_FILENO, &st) < 0 && errno == EBADF)
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2018-11-29 17:36:08 +00:00
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ignore_result(freopen("/dev/null", "w", stderr));
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2018-11-19 16:53:55 +00:00
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}
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#endif
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2015-01-23 00:09:03 +00:00
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} // namespace
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2015-11-26 12:15:35 +00:00
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#if defined(OS_WIN)
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2019-06-13 06:42:21 +00:00
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namespace crash_reporter {
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extern const char kCrashpadProcess[];
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}
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2021-07-22 19:49:21 +00:00
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// In 32-bit builds, the main thread starts with the default (small) stack size.
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// The ARCH_CPU_32_BITS blocks here and below are in support of moving the main
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// thread to a fiber with a larger stack size.
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#if defined(ARCH_CPU_32_BITS)
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// The information needed to transfer control to the large-stack fiber and later
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// pass the main routine's exit code back to the small-stack fiber prior to
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// termination.
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struct FiberState {
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HINSTANCE instance;
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LPVOID original_fiber;
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int fiber_result;
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};
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// A PFIBER_START_ROUTINE function run on a large-stack fiber that calls the
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// main routine, stores its return value, and returns control to the small-stack
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// fiber. |params| must be a pointer to a FiberState struct.
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void WINAPI FiberBinder(void* params) {
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auto* fiber_state = static_cast<FiberState*>(params);
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// Call the wWinMain routine from the fiber. Reusing the entry point minimizes
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// confusion when examining call stacks in crash reports - seeing wWinMain on
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// the stack is a handy hint that this is the main thread of the process.
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fiber_state->fiber_result =
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wWinMain(fiber_state->instance, nullptr, nullptr, 0);
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// Switch back to the main thread to exit.
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::SwitchToFiber(fiber_state->original_fiber);
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}
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#endif // defined(ARCH_CPU_32_BITS)
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2013-08-16 10:48:02 +00:00
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int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
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2021-07-22 19:49:21 +00:00
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#if defined(ARCH_CPU_32_BITS)
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enum class FiberStatus { kConvertFailed, kCreateFiberFailed, kSuccess };
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FiberStatus fiber_status = FiberStatus::kSuccess;
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// GetLastError result if fiber conversion failed.
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DWORD fiber_error = ERROR_SUCCESS;
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if (!::IsThreadAFiber()) {
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// Make the main thread's stack size 4 MiB so that it has roughly the same
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// effective size as the 64-bit build's 8 MiB stack.
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constexpr size_t kStackSize = 4 * 1024 * 1024; // 4 MiB
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// Leak the fiber on exit.
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LPVOID original_fiber =
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::ConvertThreadToFiberEx(nullptr, FIBER_FLAG_FLOAT_SWITCH);
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if (original_fiber) {
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FiberState fiber_state = {instance, original_fiber};
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// Create a fiber with a bigger stack and switch to it. Leak the fiber on
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// exit.
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LPVOID big_stack_fiber = ::CreateFiberEx(
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0, kStackSize, FIBER_FLAG_FLOAT_SWITCH, FiberBinder, &fiber_state);
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if (big_stack_fiber) {
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::SwitchToFiber(big_stack_fiber);
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// The fibers must be cleaned up to avoid obscure TLS-related shutdown
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// crashes.
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::DeleteFiber(big_stack_fiber);
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::ConvertFiberToThread();
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// Control returns here after Chrome has finished running on FiberMain.
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return fiber_state.fiber_result;
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}
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fiber_status = FiberStatus::kCreateFiberFailed;
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} else {
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fiber_status = FiberStatus::kConvertFailed;
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}
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// If we reach here then creating and switching to a fiber has failed. This
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// probably means we are low on memory and will soon crash. Try to report
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// this error once crash reporting is initialized.
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fiber_error = ::GetLastError();
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base::debug::Alias(&fiber_error);
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}
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// If we are already a fiber then continue normal execution.
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#endif // defined(ARCH_CPU_32_BITS)
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2018-01-22 22:49:30 +00:00
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struct Arguments {
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int argc = 0;
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wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
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2013-09-05 04:18:19 +00:00
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2018-01-22 22:49:30 +00:00
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~Arguments() { LocalFree(argv); }
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} arguments;
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if (!arguments.argv)
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return -1;
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2013-11-19 12:56:22 +00:00
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2017-08-16 07:49:22 +00:00
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#ifdef _DEBUG
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// Don't display assert dialog boxes in CI test runs
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2021-07-02 00:51:52 +00:00
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static const char kCI[] = "CI";
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2019-10-30 23:38:21 +00:00
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if (IsEnvSet(kCI)) {
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2017-08-16 07:49:22 +00:00
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_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG | _CRTDBG_MODE_FILE);
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_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
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_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG | _CRTDBG_MODE_FILE);
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_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
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_set_error_mode(_OUT_TO_STDERR);
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}
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#endif
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2017-07-17 12:01:21 +00:00
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2018-10-01 20:00:53 +00:00
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#if BUILDFLAG(ENABLE_RUN_AS_NODE)
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2020-10-27 17:49:25 +00:00
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bool run_as_node =
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electron::fuses::IsRunAsNodeEnabled() && IsEnvSet(electron::kRunAsNode);
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2018-01-23 23:17:15 +00:00
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#else
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bool run_as_node = false;
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#endif
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2018-01-22 22:49:30 +00:00
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2016-05-31 01:19:13 +00:00
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// Make sure the output is printed to console.
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if (run_as_node || !IsEnvSet("ELECTRON_NO_ATTACH_CONSOLE"))
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base::RouteStdioToConsole(false);
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2013-11-04 22:15:19 +00:00
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2019-06-13 06:42:21 +00:00
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std::vector<char*> argv(arguments.argc);
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std::transform(arguments.argv, arguments.argv + arguments.argc, argv.begin(),
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[](auto& a) { return _strdup(base::WideToUTF8(a).c_str()); });
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2018-10-01 20:00:53 +00:00
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#if BUILDFLAG(ENABLE_RUN_AS_NODE)
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2020-10-27 17:49:25 +00:00
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if (electron::fuses::IsRunAsNodeEnabled() && run_as_node) {
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2015-09-03 02:28:50 +00:00
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base::AtExitManager atexit_manager;
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2015-01-17 00:12:12 +00:00
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base::i18n::InitializeICU();
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2019-06-19 21:23:04 +00:00
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auto ret = electron::NodeMain(argv.size(), argv.data());
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2018-01-22 22:49:30 +00:00
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std::for_each(argv.begin(), argv.end(), free);
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return ret;
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2018-01-23 23:17:15 +00:00
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}
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#endif
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2019-06-13 06:42:21 +00:00
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base::CommandLine::Init(argv.size(), argv.data());
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2020-05-07 20:31:26 +00:00
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const base::CommandLine* command_line =
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base::CommandLine::ForCurrentProcess();
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const std::string process_type =
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command_line->GetSwitchValueASCII(kProcessType);
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if (process_type == crash_reporter::switches::kCrashpadHandler) {
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// Check if we should monitor the exit code of this process
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std::unique_ptr<browser_watcher::ExitCodeWatcher> exit_code_watcher;
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// Retrieve the client process from the command line
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crashpad::InitialClientData initial_client_data;
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if (initial_client_data.InitializeFromString(
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command_line->GetSwitchValueASCII("initial-client-data"))) {
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// Setup exit code watcher to monitor the parent process
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HANDLE duplicate_handle = INVALID_HANDLE_VALUE;
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if (DuplicateHandle(
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::GetCurrentProcess(), initial_client_data.client_process(),
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::GetCurrentProcess(), &duplicate_handle,
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PROCESS_QUERY_INFORMATION, FALSE, DUPLICATE_SAME_ACCESS)) {
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base::Process parent_process(duplicate_handle);
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exit_code_watcher =
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std::make_unique<browser_watcher::ExitCodeWatcher>();
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if (exit_code_watcher->Initialize(std::move(parent_process))) {
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exit_code_watcher->StartWatching();
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}
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}
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}
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// The handler process must always be passed the user data dir on the
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// command line.
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DCHECK(command_line->HasSwitch(kUserDataDir));
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base::FilePath user_data_dir =
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command_line->GetSwitchValuePath(kUserDataDir);
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int crashpad_status = crash_reporter::RunAsCrashpadHandler(
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*command_line, user_data_dir, kProcessType, kUserDataDir);
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if (crashpad_status != 0 && exit_code_watcher) {
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// Crashpad failed to initialize, explicitly stop the exit code watcher
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// so the crashpad-handler process can exit with an error
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exit_code_watcher->StopWatching();
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}
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return crashpad_status;
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2013-08-08 07:59:31 +00:00
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}
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2021-07-22 19:49:21 +00:00
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#if defined(ARCH_CPU_32_BITS)
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// Intentionally crash if converting to a fiber failed.
|
|
|
|
CHECK_EQ(fiber_status, FiberStatus::kSuccess);
|
|
|
|
#endif // defined(ARCH_CPU_32_BITS)
|
|
|
|
|
2019-06-19 21:23:04 +00:00
|
|
|
if (!electron::CheckCommandLineArguments(arguments.argc, arguments.argv))
|
2018-01-22 22:49:30 +00:00
|
|
|
return -1;
|
|
|
|
|
2022-01-10 22:31:39 +00:00
|
|
|
sandbox::SandboxInterfaceInfo sandbox_info = {nullptr};
|
2013-07-01 14:21:31 +00:00
|
|
|
content::InitializeSandboxInfo(&sandbox_info);
|
2020-02-04 20:19:40 +00:00
|
|
|
electron::ElectronMainDelegate delegate;
|
2014-06-30 03:44:05 +00:00
|
|
|
|
|
|
|
content::ContentMainParams params(&delegate);
|
|
|
|
params.instance = instance;
|
|
|
|
params.sandbox_info = &sandbox_info;
|
2020-02-04 20:19:40 +00:00
|
|
|
electron::ElectronCommandLine::Init(arguments.argc, arguments.argv);
|
2021-11-24 08:45:59 +00:00
|
|
|
return content::ContentMain(std::move(params));
|
2013-07-01 14:21:31 +00:00
|
|
|
}
|
|
|
|
|
2013-12-31 11:51:17 +00:00
|
|
|
#elif defined(OS_LINUX) // defined(OS_WIN)
|
|
|
|
|
2018-01-22 22:49:30 +00:00
|
|
|
int main(int argc, char* argv[]) {
|
2018-11-19 16:53:55 +00:00
|
|
|
FixStdioStreams();
|
|
|
|
|
2018-10-01 20:00:53 +00:00
|
|
|
#if BUILDFLAG(ENABLE_RUN_AS_NODE)
|
2020-10-27 17:49:25 +00:00
|
|
|
if (electron::fuses::IsRunAsNodeEnabled() && IsEnvSet(electron::kRunAsNode)) {
|
2015-01-17 00:12:12 +00:00
|
|
|
base::i18n::InitializeICU();
|
2015-09-03 02:28:50 +00:00
|
|
|
base::AtExitManager atexit_manager;
|
2019-06-19 21:23:04 +00:00
|
|
|
return electron::NodeMain(argc, argv);
|
2015-01-17 00:12:12 +00:00
|
|
|
}
|
2018-01-23 23:17:15 +00:00
|
|
|
#endif
|
2013-12-31 11:51:17 +00:00
|
|
|
|
2020-02-04 20:19:40 +00:00
|
|
|
electron::ElectronMainDelegate delegate;
|
2014-06-30 03:44:05 +00:00
|
|
|
content::ContentMainParams params(&delegate);
|
2021-08-03 21:01:12 +00:00
|
|
|
electron::ElectronCommandLine::Init(argc, argv);
|
2014-06-30 03:44:05 +00:00
|
|
|
params.argc = argc;
|
2018-01-22 22:49:30 +00:00
|
|
|
params.argv = const_cast<const char**>(argv);
|
2021-08-03 21:01:12 +00:00
|
|
|
base::CommandLine::Init(params.argc, params.argv);
|
|
|
|
// TODO(https://crbug.com/1176772): Remove when Chrome Linux is fully migrated
|
|
|
|
// to Crashpad.
|
|
|
|
base::CommandLine::ForCurrentProcess()->AppendSwitch(
|
|
|
|
::switches::kEnableCrashpad);
|
2021-11-24 08:45:59 +00:00
|
|
|
return content::ContentMain(std::move(params));
|
2013-12-31 11:51:17 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#else // defined(OS_LINUX)
|
2013-07-01 14:21:31 +00:00
|
|
|
|
2018-01-22 22:49:30 +00:00
|
|
|
int main(int argc, char* argv[]) {
|
2018-11-19 16:53:55 +00:00
|
|
|
FixStdioStreams();
|
|
|
|
|
2018-10-01 20:00:53 +00:00
|
|
|
#if BUILDFLAG(ENABLE_RUN_AS_NODE)
|
2020-10-27 17:49:25 +00:00
|
|
|
if (electron::fuses::IsRunAsNodeEnabled() && IsEnvSet(electron::kRunAsNode)) {
|
2020-02-04 20:19:40 +00:00
|
|
|
return ElectronInitializeICUandStartNode(argc, argv);
|
2015-01-16 23:54:38 +00:00
|
|
|
}
|
2018-01-23 23:17:15 +00:00
|
|
|
#endif
|
2013-08-08 07:59:31 +00:00
|
|
|
|
2019-02-14 17:48:17 +00:00
|
|
|
#if defined(HELPER_EXECUTABLE) && !defined(MAS_BUILD)
|
2018-12-13 00:01:10 +00:00
|
|
|
uint32_t exec_path_size = 0;
|
|
|
|
int rv = _NSGetExecutablePath(NULL, &exec_path_size);
|
|
|
|
if (rv != -1) {
|
|
|
|
fprintf(stderr, "_NSGetExecutablePath: get length failed\n");
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
|
2021-06-08 02:00:05 +00:00
|
|
|
auto exec_path = std::make_unique<char[]>(exec_path_size);
|
2018-12-13 00:01:10 +00:00
|
|
|
rv = _NSGetExecutablePath(exec_path.get(), &exec_path_size);
|
|
|
|
if (rv != 0) {
|
|
|
|
fprintf(stderr, "_NSGetExecutablePath: get path failed\n");
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
sandbox::SeatbeltExecServer::CreateFromArgumentsResult seatbelt =
|
|
|
|
sandbox::SeatbeltExecServer::CreateFromArguments(exec_path.get(), argc,
|
|
|
|
argv);
|
|
|
|
if (seatbelt.sandbox_required) {
|
|
|
|
if (!seatbelt.server) {
|
|
|
|
fprintf(stderr, "Failed to create seatbelt sandbox server.\n");
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
if (!seatbelt.server->InitializeSandbox()) {
|
|
|
|
fprintf(stderr, "Failed to initialize sandbox.\n");
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
}
|
2019-02-14 17:48:17 +00:00
|
|
|
#endif // defined(HELPER_EXECUTABLE) && !defined(MAS_BUILD)
|
2018-12-13 00:01:10 +00:00
|
|
|
|
2020-02-04 20:19:40 +00:00
|
|
|
return ElectronMain(argc, argv);
|
2013-04-12 01:46:58 +00:00
|
|
|
}
|
2013-07-01 14:21:31 +00:00
|
|
|
|
2020-08-12 18:33:58 +00:00
|
|
|
#endif // defined(OS_MAC)
|