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Added some missing directory type constants to dirent.h
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Added some additional fields to the lconv structure that were missing
and set all their defaults.
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This patch adds these API's:
- pthread_mutex_init()
- pthread_mutex_lock()
- pthread_mutex_unlock()
No mutex attributes are supported yet, so we only do the simplest mutex
wihout recursive locking.
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Otherwise, a thread calling sched_yield() will prevent other threads
in that process from entering the kernel.
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The line is also added to clipboard
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This makes Ctrl+Left/Right jump over whitespace, which feels nice :^)
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Setting the is_skippable flag on a GTextDocumentSpan will now cause the
cursor to skip over that span when moving with Ctrl+Left/Right.
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This allows you to move token by token when using HackStudio to edit
a C++ file.
Fixes #767.
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We were forgetting to adopt the WeakLink, causing a reference leak.
This ended up costing us one allocation per exec(), with this stack:
kmalloc_impl()
Inode::set_vmo()
InodeVMObject::create_with_inode()
Process::do_exec()
Process::exec()
Process::sys$execve()
This was a pain to track down, in the end I caught it by dumping out
every live kmalloc pointer between runs and diffing the sets. Then it
was just a matter of matching the pointer to a call stack and looking
at what went wrong. :^)
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Now that the kernel supports startup-time constructors, we were first
doing slab_alloc_init(), and then the constructors ran later on,
zeroing out the freelist pointers.
This meant that all slab allocators thought they were completelty
exhausted and forwarded all requests to kmalloc() instead.
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There's no need for this to be a permanent Thread member. Just use a
reference in the JoinBlocker instead.
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It's now possible to block until another thread in the same process has
exited. We can also retrieve its exit value, which is whatever value it
passed to pthread_exit(). :^)
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Also give the Run action a different icon that has the same style
as the stop icon that's now alongside it.
Closes https://github.com/SerenityOS/serenity/issues/771
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The Shell also puts each command into its own process group,
which interferes with us trying to do the same here. We don't
really need the shell here anyway, but it means we'll have to
do command splitting ourselves.
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Also put our child process into a new process group in order to be
able to kill it along with its own children.
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While executing in the kernel, a thread can acquire various resources
that need cleanup, such as locks and references to RefCounted objects.
This cleanup normally happens on the exit path, such as in destructors
for various RAII guards. But we weren't calling those exit paths when
killing threads that have been executing in the kernel, such as threads
blocked on reading or sleeping, thus causing leaks.
This commit changes how killing threads works. Now, instead of killing
a thread directly, one is supposed to call thread->set_should_die(),
which will unblock it and make it unwind the stack if it is blocked
in the kernel. Then, just before returning to the userspace, the thread
will automatically die.
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open and openat both try to get the length of the path string. When
the path was a nullptr, strlen tried to dereference it, causing a
segfault.
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We can't use bashisms in our scripts anymore, since we're trying to
keep them POSIXy (to make them easier to run for our own shell someday)
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This patch adds pthread_create() and pthread_exit(), which currently
simply wrap our existing create_thread() and exit_thread() syscalls.
LibThread is also ported to using LibPthread.
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Also added an option in the run script to force PIO operation mode with
the IDE controller.
In addition, we're no longer limited to PIIX3 and PIIX4 chipsets for DMA
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The pseudoterminal *master* fd is not supposed to be inherited,
so make sure to open it with O_CLOEXEC.
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Now that the WindowServer's menu is the primary way to start apps,
it is especially noticable that it leaks the /dev/fb0 fd to the apps
that it spawns. Fix that by opening it with O_CLOEXEC.
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Now that the SystemMonitor queries which open files can be read and written to,
having can_read()/can_write() unconditionally call ASSERT_NOT_REACHED() leads
to system crashes when inspecting the WindowServer.
Instead, just return true from can_read()/can_write() (indicating that the
read()/write() syscalls should not block) and return -EINVAL when trying to
actually read from or write to these devices.
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Whoops, I forgot to add an .af file for the Help app!
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You can now manipulate the widget selection either by clicking and
dragging the widgets using the cursor tool, or by interacting with
the form widget tree view. :^)
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This patch introduces a simple WidgetTreeModel that models the widget
tree inside of a given root GWidget.
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This is quite inefficient since it constructs a new Vector each time.
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This could definitely be more efficient, but this is more correct than
doing nothing at all. :^)
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This port is experimental and not all pythom modules are working.
But this is an initial shot which can be further worked on, as
SerenityOS gets more mature. :^)
The main limitation is that locales, threading and time related
functions are not working.
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Added a script to build QEMU from source as part of the Toolchain.
The script content could be in BuildIt.sh but has been put in
a seperate file to make the build optional.
Added PATH=$PATH to sudo calls to hand over the Toolchain's PATH
setup by UseIt.sh. This enabled the script's to use the QEMU
contained in the SerenityOS toolchain.
Deleted old documentation in Meta and replaced it by a new
documentation in the Toolchain folder.
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The Launcher's functionality has been replaced by the app shortcuts in
the system menu.
There were various window management hacks to ensure that the launcher
stayed below all other windows while also being movable, etc.
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Separators can't have identifiers associated with them, so it's not
possible to react meaningfully to their activation. Don't send messages
about it to avoid confusing the clients.
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Let the global menu bar be either "open" or "closed". Clicking on one
of the menus in the menu bar toggles the state.
This ends up simpler and more intuitive than what we had before.
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