зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.4 KiB
Plaintext
110 строки
3.4 KiB
Plaintext
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ProcessUtils.h"
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#include "nsObjCExceptions.h"
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#include "nsCocoaUtils.h"
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#include "nsString.h"
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#include "mozilla/Sprintf.h"
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#define UNDOCUMENTED_SESSION_CONSTANT ((int)-2)
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namespace mozilla {
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namespace ipc {
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static void* sApplicationASN = NULL;
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static void* sApplicationInfoItem = NULL;
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void SetThisProcessName(const char* aProcessName) {
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
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nsAutoreleasePool localPool;
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if (!aProcessName || strcmp(aProcessName, "") == 0) {
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return;
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}
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NSString* currentName =
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[[[NSBundle mainBundle] localizedInfoDictionary] objectForKey:(NSString*)kCFBundleNameKey];
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char formattedName[1024];
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SprintfLiteral(formattedName, "%s %s", [currentName UTF8String], aProcessName);
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aProcessName = formattedName;
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// This function is based on Chrome/Webkit's and relies on potentially dangerous SPI.
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typedef CFTypeRef (*LSGetASNType)();
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typedef OSStatus (*LSSetInformationItemType)(int, CFTypeRef, CFStringRef, CFStringRef,
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CFDictionaryRef*);
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CFBundleRef launchServices = ::CFBundleGetBundleWithIdentifier(CFSTR("com.apple.LaunchServices"));
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if (!launchServices) {
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NS_WARNING("Failed to set process name: Could not open LaunchServices bundle");
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return;
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}
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if (!sApplicationASN) {
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sApplicationASN =
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::CFBundleGetFunctionPointerForName(launchServices, CFSTR("_LSGetCurrentApplicationASN"));
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if (!sApplicationASN) {
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NS_WARNING("Failed to set process name: Could not get function pointer "
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"for LaunchServices");
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return;
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}
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}
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LSGetASNType getASNFunc = reinterpret_cast<LSGetASNType>(sApplicationASN);
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if (!sApplicationInfoItem) {
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sApplicationInfoItem = ::CFBundleGetFunctionPointerForName(
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launchServices, CFSTR("_LSSetApplicationInformationItem"));
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}
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LSSetInformationItemType setInformationItemFunc =
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reinterpret_cast<LSSetInformationItemType>(sApplicationInfoItem);
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void* displayNameKeyAddr =
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::CFBundleGetDataPointerForName(launchServices, CFSTR("_kLSDisplayNameKey"));
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CFStringRef displayNameKey = nil;
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if (displayNameKeyAddr) {
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displayNameKey = reinterpret_cast<CFStringRef>(*(CFStringRef*)displayNameKeyAddr);
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}
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// We need this to ensure we have a connection to the Process Manager, not
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// doing so will silently fail and process name wont be updated.
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ProcessSerialNumber psn;
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if (::GetCurrentProcess(&psn) != noErr) {
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return;
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}
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CFTypeRef currentAsn = getASNFunc ? getASNFunc() : nullptr;
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if (!getASNFunc || !setInformationItemFunc || !displayNameKey || !currentAsn) {
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NS_WARNING("Failed to set process name: Accessing launchServices failed");
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return;
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}
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CFStringRef processName = ::CFStringCreateWithCString(nil, aProcessName, kCFStringEncodingASCII);
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if (!processName) {
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NS_WARNING("Failed to set process name: Could not create CFStringRef");
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return;
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}
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OSErr err =
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setInformationItemFunc(UNDOCUMENTED_SESSION_CONSTANT, currentAsn, displayNameKey, processName,
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nil); // Optional out param
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::CFRelease(processName);
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if (err != noErr) {
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NS_WARNING("Failed to set process name: LSSetInformationItemType err");
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return;
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}
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return;
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NS_OBJC_END_TRY_ABORT_BLOCK;
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}
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} // namespace ipc
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} // namespace mozilla
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