Installer: Unblock CD tray, and eject it, shutdown on quit.

* This was done in the Bootscript.cd before, but now the Installer
  does it directly, but only in case the Deskbar is not running.

src/apps/installer/InstallerApp.cpp

@@ -1,4 +1,5 @@
 /*
+ * Copyright 2015, Axel Dörfler <[email protected]>
  * Copyright 2009, Stephan Aßmus <[email protected]>
  * Copyright 2005, Jérôme DUVAL.
  * All rights reserved. Distributed under the terms of the MIT License.
@@ -6,10 +7,16 @@
 
 #include "InstallerApp.h"
 
+#include <unistd.h>
+
 #include <Alert.h>
+#include <Roster.h>
 #include <TextView.h>
 
+#include <syscalls.h>
+
 #include "tracker_private.h"
+#include "Utility.h"
 
 
 static const uint32 kMsgAgree = 'agre';
@@ -108,3 +115,25 @@ InstallerApp::ReadyToRun()
 	new InstallerWindow();
 #endif
 }
+
+
+void
+InstallerApp::Quit()
+{
+	BApplication::Quit();
+
+	if (!be_roster->IsRunning(kDeskbarSignature)) {
+		// Synchronize disks, and reboot the system
+		sync();
+
+		if (Utility::IsReadOnlyVolume("/boot")) {
+			// Unblock CD tray, and eject the CD
+			Utility::BlockMedia("/boot", false);
+			Utility::EjectMedia("/boot");
+		}
+
+		// Quickly shutdown without possibly touching anything on disk
+		// (which we might just have ejected)
+		_kern_shutdown(false);
+	}
+}

src/apps/installer/InstallerApp.h

@@ -18,8 +18,10 @@ public:
 								InstallerApp();
 
 	virtual	void				MessageReceived(BMessage* message);
+
 	virtual	void				AboutRequested();
 	virtual	void				ReadyToRun();
+	virtual	void				Quit();
 
 private:
 			EULAWindow*			fEULAWindow;

src/apps/installer/Jamfile

@@ -1,7 +1,10 @@
 SubDir HAIKU_TOP src apps installer ;
 
 UsePrivateHeaders shared storage tracker ;
+UsePrivateSystemHeaders ;
+
 SubDirHdrs [ FDirName $(HAIKU_TOP) src kits tracker ] ;
+SubDirHdrs [ FDirName $(HAIKU_TOP) src servers launch ] ;
 
 Application Installer :
 	CopyEngine.cpp
@@ -14,11 +17,18 @@ Application Installer :
 	ProgressReporter.cpp
 	UnzipEngine.cpp
 	WorkerThread.cpp
-	: be tracker translation libshared.a [ TargetLibstdc++ ] 
+
+	# From launch_daemon
+	Utility.cpp
+
+	: be tracker translation libshared.a [ TargetLibstdc++ ]
 		localestub
 	: Installer.rdef
 ;
 
+SEARCH on <src!apps!installer>Utility.cpp = [
+	FDirName $(HAIKU_TOP) src servers launch ] ;
+
 DoCatalogs Installer :
 	x-vnd.Haiku-Installer
 	:

src/servers/launch/Utility.cpp

@@ -17,6 +17,38 @@
 #include <Volume.h>
 
 
+namespace {
+
+
+status_t
+IssueDeviceCommand(const char* path, int opcode, void* buffer,
+	size_t bufferSize)
+{
+	fs_info info;
+	if (fs_stat_dev(dev_for_path(path), &info) == B_OK) {
+		if (strcmp(info.fsh_name, "devfs") != 0)
+			path = info.device_name;
+	}
+
+	int device = open(path, O_RDONLY);
+	if (device < 0)
+		return device;
+
+	status_t status = B_OK;
+
+	if (ioctl(device, opcode, buffer, bufferSize) != 0) {
+		fprintf(stderr, "Failed to process %d on %s: %s\n", opcode, path,
+			strerror(errno));
+		status = errno;
+	}
+	close(device);
+	return status;
+}
+
+
+}	// private namespace
+
+
 namespace Utility {
 
 
@@ -55,25 +87,15 @@ IsReadOnlyVolume(const char* path)
 status_t
 BlockMedia(const char* path, bool block)
 {
-	fs_info info;
-	if (fs_stat_dev(dev_for_path(path), &info) == B_OK) {
-		if (strcmp(info.fsh_name, "devfs") != 0)
-			path = info.device_name;
-	}
+	return IssueDeviceCommand(path, B_SCSI_PREVENT_ALLOW, &block,
+		sizeof(block));
+}
 
-	int device = open(path, O_RDONLY);
-	if (device < 0)
-		return device;
 
-	status_t status = B_OK;
-
-	if (ioctl(device, B_SCSI_PREVENT_ALLOW, &block, sizeof(block)) != 0) {
-		fprintf(stderr, "Failed to block media on %s: %s\n", path,
-			strerror(errno));
-		status = errno;
-	}
-	close(device);
-	return status;
+status_t
+EjectMedia(const char* path)
+{
+	return IssueDeviceCommand(path, B_EJECT_DEVICE, NULL, 0);
 }
 
 

src/servers/launch/Utility.h

@@ -14,6 +14,7 @@ namespace Utility {
 	bool IsReadOnlyVolume(const char* path);
 
 	status_t BlockMedia(const char* path, bool block);
+	status_t EjectMedia(const char* path);
 }