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Author SHA1 Message Date
Andreas Kling
189f234b47 Docs: Add info about -T and -t to crash(1) 2019-11-17 19:23:35 +01:00
Andreas Kling
8ccbd7002b Ext2FS: Rename allocate_inode() => find_a_free_inode() 
Since this function doesn't actually mark the inode as allocated,
let's tone down the name a little bit.
 2019-11-17 19:19:02 +01:00
Andreas Kling
a712d4ac0c Ext2FS: Writing to a slow symlink should not treat it like a fast one 
We would misinterpret short writes to the first 60 bytes of a slow
symlink as writes to a fast symlink.
 2019-11-17 19:19:00 +01:00
Andreas Kling
5d08665d9a Ext2FS: Remove unnecessary extra cache lookup in get_inode() 2019-11-17 19:11:19 +01:00
Andreas Kling
ba997c0a72 Ext2FS: Add some FIXME's while browsing this code 2019-11-17 18:59:14 +01:00
Andreas Kling
b2df670cf5 Kernel: Just hang if VFS::mount_root() fails 2019-11-17 18:58:25 +01:00
Andreas Kling
e34ed04d1e Kernel+LibPthread+LibC: Create secondary thread stacks in userspace 
Have pthread_create() allocate a stack and passing it to the kernel
instead of this work happening in the kernel. The more of this we can
do in userspace, the better.

This patch also unexposes the raw create_thread() and exit_thread()
syscalls since they are now only used by LibPthread anyway.
 2019-11-17 17:29:20 +01:00
Andreas Kling
6685be36a0 LibDraw: Add Rect::from_two_points(Point, Point) 
This returns the rectangle between two given Points. Thanks Owlinator
for suggesting this much easier way of doing it :^)
 2019-11-17 16:37:42 +01:00
Andreas Kling
32ff660aa5 LibC: Oopsie, add the missing semicolons to __bswap32() and __bswap64() 
Well that was a lot of flailing around.
 2019-11-17 15:37:46 +01:00
Andreas Kling
31447d58fb LibC: Add back __bswap{16,32,64}() to endian.h 2019-11-17 14:34:40 +01:00
Andreas Kling
5f459ee929 LibC: Unbreak endian.h 
There were some missing semicolons so this file didn't compile.
Also add some macro paranoia parentheses while we're here.
 2019-11-17 12:53:50 +01:00
Andreas Kling
02f89dc419 Kernel+SystemMonitor: Show VM region "shared" and "stack" bits in UI 
Expose these two region bits through /proc/PID/vm and show them in the
SystemMonitor process memory map view.
 2019-11-17 12:15:46 +01:00
Andreas Kling
794758df3a Kernel: Implement some basic stack pointer validation 
VM regions can now be marked as stack regions, which is then validated
on syscall, and on page fault.

If a thread is caught with its stack pointer pointing into anything
that's *not* a Region with its stack bit set, we'll crash the whole
process with SIGSTKFLT.

Userspace must now allocate custom stacks by using mmap() with the new
MAP_STACK flag. This mechanism was first introduced in OpenBSD, and now
we have it too, yay! :^)
 2019-11-17 12:15:43 +01:00
Andreas Kling
197ed1bb2a HackStudio: Move the rubber-banding state into CursorTool 
I originally put it in FormWidget because CursorTool was clueless about
painting. This patch adds Tool::on_second_paint() which allows all the
tools to hook into the second paint pass.
 2019-11-16 22:26:46 +01:00
Andreas Kling
5fc62bcf68 HackStudio: Fill the selection rubber-band with some nice alpha color 
Make use of the new alpha support in Painter::fill_rect() to fill the
rubber band with some see-through color. :^)
 2019-11-16 19:31:57 +01:00
Andreas Kling
89c0b158da LibDraw: Add support for colors with alpha in Painter::fill_rect() 
This code is naive, but it works and looks okay. :^)
 2019-11-16 19:26:17 +01:00
Andreas Kling
69dee20761 HackStudio: Allow rubber-band selection of widgets 
This patch implements basic rubber-banding. Perhaps this mechanism can
be generalized somehow, but it's not clear to me how that would work
at the moment.
 2019-11-16 19:17:27 +01:00
Andreas Kling
196b64c0ae LibC: Move realpath() to <stdlib.h> 2019-11-16 17:29:09 +01:00
Andreas Kling
fbcab844de LibC: Move the creat() and open() families to <fcntl.h> 
Since POSIX says that's where they belong :^)
 2019-11-16 17:29:09 +01:00
Andreas Kling
8d4d63d9b6 Ext2FS: Minor cleanup, remove an unused function 2019-11-16 17:29:09 +01:00
Ørjan Malde
84bedd5528 LibC: use GCC __builtin_bswap{16,32,64} to provide __bswap functions 2019-11-16 17:17:26 +01:00
Ørjan Malde
a55fb98d0a LibC: fix arpa/inet.h guards 2019-11-16 16:27:48 +01:00
Ørjan Malde
faff1361c3 LibC: properly populate endian.h 2019-11-16 16:27:48 +01:00
Andreas Kling
ba97548686 Ports: Build ncurses with --with-termlib 
This ensures that a libtinfo.a is produced, which is needed by nano.
 2019-11-16 13:18:43 +01:00
Brandon Scott
0414e39035 Port: Nano 
An early step towards a fully functional nano.
 2019-11-16 12:50:50 +01:00
Brandon Scott
3069988a75 LibC: Implemented getc_unlocked, stubbed flockfile 
Implemented getc_unlocked and stubbed out flockfile() and funlockfile().
 2019-11-16 12:50:50 +01:00
Brandon Scott
bda36853c9 LibC: Implemented mkstemp in stdlib 
Implemented mkstemp method in stdlib.
 2019-11-16 12:50:50 +01:00
Brandon Scott
48b1c82d53 LibC: Added missing signal flags 
Added missing signal flags to signal.h
 2019-11-16 12:50:50 +01:00
Brandon Scott
f999e30afd LibC: Added execlp method and new pathconf setting 
Added execlp method, and _PC_PIPE_BUF setting to pathconf method.
 2019-11-16 12:50:50 +01:00
Brandon Scott
eb719aa726 LibC: Added some missing directory type constants 
Added some missing directory type constants to dirent.h
 2019-11-16 12:50:50 +01:00
Brandon Scott
57eb37160c LibC: Added additional fields to lconv struct 
Added some additional fields to the lconv structure that were missing
and set all their defaults.
 2019-11-16 12:50:50 +01:00
Andreas Kling
d1c984da82 Build: Make sure we look in Libraries/LibPthread for libraries :^) 2019-11-16 12:23:40 +01:00
Andreas Kling
66a2b582c3 LibPthread: Implement a basic first pthread mutex 
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.
 2019-11-16 12:23:36 +01:00
Andreas Kling
73d6a69b3f Kernel: Release the big process lock while yielding in sys$yield() 
Otherwise, a thread calling sched_yield() will prevent other threads
in that process from entering the kernel.
 2019-11-16 12:18:59 +01:00
Andreas Kling
39e2b69153 AK: Atomic.h needs <stddef.h> for ptrdiff_t 2019-11-16 12:18:25 +01:00
Rok Povsic
95df049071 Terminal: Add selecting whole line on triple click 
The line is also added to clipboard
 2019-11-15 23:58:06 +01:00
Doc O
e17386692a Meta: Add .DS_Store to .gitignore (#786) 2019-11-15 22:19:47 +01:00
Andreas Kling
834eff7983 HackStudio: Mark whitespace tokens as skippable GTextDocumentSpans 
This makes Ctrl+Left/Right jump over whitespace, which feels nice :^)
 2019-11-15 21:03:22 +01:00
Andreas Kling
57f7009b9e GTextEditor: Allow GTextDocumentSpans to be "skippable" 
Setting the is_skippable flag on a GTextDocumentSpan will now cause the
cursor to skip over that span when moving with Ctrl+Left/Right.
 2019-11-15 21:03:15 +01:00
Andreas Kling
27a30fdc2a GTextEditor: Allow moving the cursor span-wise with Ctrl+Left/Right 
This allows you to move token by token when using HackStudio to edit
a C++ file.

Fixes #767.
 2019-11-15 21:02:24 +01:00
ctfloyd
a3520bfdfd GTextEditor: Alt+Shift+S alphabetically sorts selected lines 2019-11-15 21:01:12 +01:00
Andreas Kling
e89cdd504c AK: Fix leak in WeakPtr(WeakPtr&&) and WeakPtr::operator=(WeakPtr&&) 
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. :^)
 2019-11-15 16:07:39 +01:00
Andreas Kling
7ef9c703d2 Kernel: Unbreak SlabAllocator after startup-time constructors 
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.
 2019-11-15 12:48:39 +01:00
MWGuy
b6ccbd32eb Ports: Add openssl package 2019-11-15 10:30:00 +01:00
Andreas Kling
cb5021419e Kernel: Move Thread::m_joinee_exit_value into the JoinBlocker 
There's no need for this to be a permanent Thread member. Just use a
reference in the JoinBlocker instead.
 2019-11-14 21:04:34 +01:00
Andreas Kling
69efa3f630 Kernel+LibPthread: Implement pthread_join() 
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(). :^)
 2019-11-14 20:58:23 +01:00
Sergey Bugaev
c6a8b95643 HackStudio: Add a Stop action to kill the current process 
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
 2019-11-14 20:10:16 +01:00
Sergey Bugaev
1f5001c581 HackStudio: Do not spawn an intermediary shell 
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.
 2019-11-14 20:10:16 +01:00
Sergey Bugaev
8484635920 HackStudio: Add TerminalWrapper::kill_running_command() 
Also put our child process into a new process group in order to be
able to kill it along with its own children.
 2019-11-14 20:10:16 +01:00
Sergey Bugaev
cd11a8597a HackStudio: Add TerminalWrapper::on_command_exit 2019-11-14 20:10:16 +01:00