Include qemu/main-loop.h less

In my "build everything" tree, changing qemu/main-loop.h triggers a
recompile of some 5600 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).  It includes block/aio.h,
which in turn includes qemu/event_notifier.h, qemu/notify.h,
qemu/processor.h, qemu/qsp.h, qemu/queue.h, qemu/thread-posix.h,
qemu/thread.h, qemu/timer.h, and a few more.

Include qemu/main-loop.h only where it's needed.  Touching it now
recompiles only some 1700 objects.  For block/aio.h and
qemu/event_notifier.h, these numbers drop from 5600 to 2800.  For the
others, they shrink only slightly.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190812052359.30071-21-armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

accel/kvm/kvm-all.c

@@ -34,6 +34,7 @@
 #include "exec/ram_addr.h"
 #include "exec/address-spaces.h"
 #include "qemu/event_notifier.h"
+#include "qemu/main-loop.h"
 #include "trace.h"
 #include "hw/irq.h"
 #include "sysemu/sev.h"

block.c

@@ -30,6 +30,7 @@
 #include "block/qdict.h"
 #include "qemu/error-report.h"
 #include "module_block.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qdict.h"

block/block-backend.c

@@ -21,6 +21,7 @@
 #include "qapi/error.h"
 #include "qapi/qapi-events-block.h"
 #include "qemu/id.h"
+#include "qemu/main-loop.h"
 #include "qemu/option.h"
 #include "trace.h"
 #include "migration/misc.h"

block/create.c

@@ -25,6 +25,7 @@
 #include "qemu/osdep.h"
 #include "block/block_int.h"
 #include "qemu/job.h"
+#include "qemu/main-loop.h"
 #include "qapi/qapi-commands-block-core.h"
 #include "qapi/qapi-visit-block-core.h"
 #include "qapi/clone-visitor.h"

block/io.c

@@ -32,6 +32,7 @@
 #include "qemu/cutils.h"
 #include "qapi/error.h"
 #include "qemu/error-report.h"
+#include "qemu/main-loop.h"
 
 #define NOT_DONE 0x7fffffff /* used while emulated sync operation in progress */
 

block/nbd.c

@@ -33,6 +33,7 @@
 #include "qemu/uri.h"
 #include "qemu/option.h"
 #include "qemu/cutils.h"
+#include "qemu/main-loop.h"
 
 #include "qapi/qapi-visit-sockets.h"
 #include "qapi/qmp/qstring.h"

block/nfs.c

@@ -32,6 +32,7 @@
 #include "block/qdict.h"
 #include "trace.h"
 #include "qemu/iov.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
 #include "qemu/uri.h"

block/nvme.c

@@ -17,6 +17,7 @@
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qstring.h"
 #include "qemu/error-report.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qemu/cutils.h"
 #include "qemu/option.h"

block/qcow2.c

@@ -26,6 +26,7 @@
 
 #include "block/qdict.h"
 #include "sysemu/block-backend.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qcow2.h"
 #include "qemu/error-report.h"

block/qed.c

@@ -17,6 +17,7 @@
 #include "qapi/error.h"
 #include "qemu/timer.h"
 #include "qemu/bswap.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
 #include "trace.h"

block/sheepdog.c

@@ -22,6 +22,7 @@
 #include "qapi/qobject-output-visitor.h"
 #include "qemu/uri.h"
 #include "qemu/error-report.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
 #include "qemu/sockets.h"

block/throttle-groups.c

@@ -26,6 +26,7 @@
 #include "sysemu/block-backend.h"
 #include "block/throttle-groups.h"
 #include "qemu/throttle-options.h"
+#include "qemu/main-loop.h"
 #include "qemu/queue.h"
 #include "qemu/thread.h"
 #include "sysemu/qtest.h"

blockdev.c

@@ -60,6 +60,7 @@
 #include "sysemu/qtest.h"
 #include "qemu/cutils.h"
 #include "qemu/help_option.h"
+#include "qemu/main-loop.h"
 #include "qemu/throttle-options.h"
 
 static QTAILQ_HEAD(, BlockDriverState) monitor_bdrv_states =

blockjob.c

@@ -33,6 +33,7 @@
 #include "qapi/qapi-events-block-core.h"
 #include "qapi/qmp/qerror.h"
 #include "qemu/coroutine.h"
+#include "qemu/main-loop.h"
 #include "qemu/timer.h"
 
 /*

chardev/baum.c

@@ -25,6 +25,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "chardev/char.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qemu/timer.h"
 #include "hw/usb.h"

chardev/char-pipe.c

@@ -25,6 +25,7 @@
 #include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qapi/error.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
 #include "chardev/char.h"

chardev/char-win-stdio.c

@@ -24,6 +24,7 @@
 
 #include "qemu/osdep.h"
 #include "qapi/error.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "chardev/char-win.h"
 #include "chardev/char-win-stdio.h"

chardev/char-win.c

@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qapi/error.h"
 #include "chardev/char-win.h"

dump/dump.c

@@ -28,6 +28,7 @@
 #include "qapi/qapi-events-dump.h"
 #include "qapi/qmp/qerror.h"
 #include "qemu/error-report.h"
+#include "qemu/main-loop.h"
 #include "hw/misc/vmcoreinfo.h"
 
 #ifdef TARGET_X86_64

fsdev/qemu-fsdev-throttle.c

@@ -16,6 +16,7 @@
 #include "qemu/error-report.h"
 #include "qemu-fsdev-throttle.h"
 #include "qemu/iov.h"
+#include "qemu/main-loop.h"
 #include "qemu/option.h"
 
 static void fsdev_throttle_read_timer_cb(void *opaque)