since fault_find_page() does no longer insert a dummy page into a cache
that has a store from which it can read the page.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21887 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Transfer removal is now done only from the finisher
* Processing is only done after the transfer has been removed from the list
* Canceling transfers only sets a flag so the finisher can remove the transfer
* The callback at cancel is done synchronously though
This fixes quite a few race conditions where transfers were processed while they where already removed. It could happen before that callbacks would have been called twice or freed descriptors/callback buffers were accessed.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21882 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Removed a few instances where the page state was set busy directly after
allocating it. This is a no-op, since a page is always busy after
allocation.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21875 a95241bf-73f2-0310-859d-f6bbb57e9c96
cheap means to block threads until notified explicitely.
threads
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21874 a95241bf-73f2-0310-859d-f6bbb57e9c96
interrupts) and SpinLocker (acquires/releases spinlocks).
* Adjusted Jamfiles of components that used <util/AutoLock.h> but didn't
add all header directories required now (<int.h> was added).
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21873 a95241bf-73f2-0310-859d-f6bbb57e9c96
as all directories that might be needed by private kernel headers (arch,
platform,... headers).
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21872 a95241bf-73f2-0310-859d-f6bbb57e9c96
Now TermWindow::_SetTermColors() accepts a pointer to a TermView to fix
that.
Spotted by Andrea Bernardi. Thanks!
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21870 a95241bf-73f2-0310-859d-f6bbb57e9c96
Painter, that is needed to be able to tell if anti-aliasing is to be used,
since the flags in the font can be overruled by the flags in the view...
* fixes aliased fonts reliably, tested with FontDemo
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21869 a95241bf-73f2-0310-859d-f6bbb57e9c96
this for a long time... what happens when the app_server has requested a
redraw, but the client sends some drawing commands before starting the
redraw session? This would be the case, for example, when TextViews got
notified of their parent window becomming active (they would invert the
selection outside of any update session). When there was an additional
expose event, the app_server would already have the background cleared, so
the lonely "invert" command would invert the freshly painted background. Then
the normal Draw() of the TextView would be called because of the expose event.
By the time the text was rendered, it was rendered on the inverted background,
then the normal Draw() contained another "invert" command to invert the
region of the selection. Thus inverting just the text, and the background
twice. Solution:
* introduced a special handling for drawing commands arriving between
requested update session and beginning of that session: the pending
update region is clipped from the region the client is allowed to draw in.
* fixes funny text rendering in the selected part of text views. For example
ticket #908.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21867 a95241bf-73f2-0310-859d-f6bbb57e9c96
* fixed a bug in the font cache, the signature was generated in one way
(rendering type) while the initialization of the font engine could
use another way
* should fix non-antialiased straight text
* weird non-transformed text in FontDemo
* generally not using vector glyphs when it was supposed to use them (rotated
or sheared text, or non-antialiased text)
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21866 a95241bf-73f2-0310-859d-f6bbb57e9c96
it's reference to the vm_address_space - luckily, it doesn't even need a
reference, since it always runs in the current address space, which cannot
go away for obvious reasons.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21865 a95241bf-73f2-0310-859d-f6bbb57e9c96
* fixes a dead lock in vm_soft_fault() - the locking scheme enforces you to
lock the address space before a vm_cache, not the other way, around. Since
we need to lock the cache that has our page in fault_get_page(), we violated
that scheme by relocking the address space in order to get access to the
vm_area. Now, we read lock the address space during the whole page fault;
added a TODO that explains why this might not really be desirable, if
we can avoid it (the only way would be to reverse that locking scheme
which would potentially cause the more busy vm_cache locks to be held
longer).
* vm_copy_area() uses the MultiAddressSpaceLocker, but actually forget to
call Lock() on it...
* delete_area() leaks vm_address_space references - but fixing this currently
causes other problems to be investigated; I'll open a bug for that.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21862 a95241bf-73f2-0310-859d-f6bbb57e9c96
that they are blurry anyways, should give you a perfectly scalable version of
the logo in SVG
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21859 a95241bf-73f2-0310-859d-f6bbb57e9c96
(fixes ticket #1367, stefano I thought you knew that I meant this in an
earlier mail)
* move_pen_by() looked wrong in ServerPicture, have not tested though
* make sure the pen location is adjusted after stroke_line() and draw_string()
in ServerPicture
* set_pen_location() does not need to update the Painter drawing state
* ServerWindow AS_LAYER_SET_PEN_SIZE needs to set the resulting pen size of
the drawing state stack, not the one set on the current state
* ServerWindow AS_LAYER_GET_PEN_SIZE needs to return the current state's
size, not the result of the stack
* small cleanups
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21855 a95241bf-73f2-0310-859d-f6bbb57e9c96
and that the previous pattern is restored after execution
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21853 a95241bf-73f2-0310-859d-f6bbb57e9c96
tab" item. Note that you can also close the tab by clicking on it with
the tertiary mouse button. Renamed some methods of TermWindow.
I'm not really happy with this code (tab creation/deletion code is
spread between TermWindow and SmartTabView), I will need to come up with
something better.
There are still some visual glitches when tabs are switched, created or
deleted.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21850 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Removed the ref_count from vm_areas. You now always need to have the address
space locked (read or write, depending on what you do) when dealing with
areas.
* Added helper classes for locking the address space: AddressSpace{Read|Write}Locker,
and MultiAddressSpaceLocker which can lock several spaces at once and makes
sure no dead locks can happen.
* resize_area() is now using the MultiAddressSpaceLocker instead of no locking
at all; ie. it should now be safely to use.
* Disabled transfer_area() for now; it will be changed to work like an atomic
clone_area()/delete_area(), that is, it will hand out a new ID for the
transfered area.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21848 a95241bf-73f2-0310-859d-f6bbb57e9c96
ServerFont::GetBoundingBoxesForStrings() (ScreenSaver no longer crashes as reported by Brian
Verre on the mailing list).
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21846 a95241bf-73f2-0310-859d-f6bbb57e9c96
have the nice drop shadows, so it's only meant to be helpful to reproduce
the logo in other graphics packages, but it's not the real logo!
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21844 a95241bf-73f2-0310-859d-f6bbb57e9c96
and then use hardware acceleration... found out this is what our
BTextView is actually using, that's why it never used hardware
acceleration for invert rect/region before. Have not tested this on
real hardware yet.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21843 a95241bf-73f2-0310-859d-f6bbb57e9c96
that an error can be propagated back to vm_soft_fault().
* Added boolean restart reference parameter to fault_find_page() which
is set to true whenever a condition is it encountered that requires
to start fault_find_page() from the very beginning. fault_get_page()
checks the flag and executes fault_find_page() in a loop, now.
* Removed the panic()s+TODOs in fault_find_page() when a cache became
busy. The restart feature is used in this case.
* fault_find_page(): If after the loop we haven't found a page yet,
and after locking the right cache one turned up, we restart the
function, too, thus avoiding double insertion of a page into a cache.
* Fixed potential dead-lock in fault_get_page(): After inserting a clean
page into a cache other than the top cache (read fault on
copy-on-write area not backed by a file (e.g. the heap)) the dummy
page was removed from the to be locked top cache while we still held a
lock for the lower cache, thus inverting the locking direction
required by the cache locking policy (top -> bottom).
* fault_get_page(): In case of a write access and a readable page found
in a lower cache, vm_cache_remove_consumer() could have replaced our
dummy page with a real page from a collapsed lower cache while we
had unlocked both caches. We didn't check for this condition and
always inserted our freshly allocated page, thus potentially inserting
a duplicate page into the top cache. We do the check now and discard our
page, when another page turned up. Fixes bug #1359.
* fault_get_page(), same if block: Removed unused case for removal of the
dummy page from a non-top cache. We only ever insert it into the top
cache and it should not be moved to another cache. Added an assert.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21841 a95241bf-73f2-0310-859d-f6bbb57e9c96
