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serenity/Kernel
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Andreas Kling f067730f6b Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 
The kernel's Lock class now uses a proper wait queue internally instead
of just having everyone wake up regularly to try to acquire the lock.

We also keep the donation mechanism, so that whenever someone tries to
take the lock and fails, that thread donates the remainder of its
timeslice to the current lock holder.

After unlocking a Lock, the unlocking thread calls WaitQueue::wake_one,
which unblocks the next thread in queue.
2019-12-01 12:07:43 +01:00
..
Arch/i386 Revert "Kernel: Move Kernel mapping to 0xc0000000" 2019-11-23 17:27:09 +01:00
Devices Kernel: Implement the setkeymap() syscall. 2019-11-25 11:53:02 +01:00
FileSystem Kernel: Show module memory size in /proc/modules 2019-11-29 21:18:37 +01:00
Heap Kernel: Demangle userspace ELF symbols in backtraces 2019-11-27 14:06:24 +01:00
Net Kernel+ifconfig: Add an MTU value to NetworkAdapter 2019-11-28 14:14:26 +01:00
TTY Kernel: Demangle userspace ELF symbols in backtraces 2019-11-27 14:06:24 +01:00
VM Kernel: Disallow syscalls from writeable memory 2019-11-29 16:30:05 +01:00
.bochsrc Meta: Make Serenity run on Bochs once again 2019-08-06 21:09:24 +02:00
.gitignore Meta: Removed all gitignore in the source tree only keeping the root one 2019-06-30 10:41:26 +02:00
Assertions.h Kernel: Move i386.{cpp,h} => Arch/i386/CPU.{cpp,h} 2019-06-07 20:02:01 +02:00
build-gpt-image-grub.sh Build: Fix more bugs in the POSIX sh-ification of scripts 2019-11-03 13:11:43 +01:00
build-image-grub.sh Build: Bump the default disk image size from 500MB to 600MB 2019-11-26 12:54:33 +01:00
build-image-qemu.sh Build: Bump the default disk image size from 500MB to 600MB 2019-11-26 12:54:33 +01:00
build-root-filesystem.sh Kernel: Implement basic module unloading :^) 2019-11-28 21:07:22 +01:00
CMOS.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
CMOS.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
Console.cpp Kernel: Make File's can_read/can_write take a const FileDescription& 2019-11-04 14:03:14 +01:00
Console.h Kernel: Make File's can_read/can_write take a const FileDescription& 2019-11-04 14:03:14 +01:00
DoubleBuffer.cpp Revert "Kernel: Make DoubleBuffer use a KBuffer instead of kmalloc()ing" 2019-10-18 15:58:06 +02:00
DoubleBuffer.h Revert "Kernel: Make DoubleBuffer use a KBuffer instead of kmalloc()ing" 2019-10-18 15:58:06 +02:00
FB.h Kernel: Add framebuffer ioctls; wrap raw ioctls with a C API 2019-08-18 07:40:02 +02:00
grub.cfg Kernel: Add serial_debug cmdline parameter 2019-08-11 08:22:42 +02:00
grub_gpt.cfg PartitionTable: Initial GPT Support, Adding Block Limit 2019-10-07 10:11:39 +02:00
init.cpp Kernel: Just hang if VFS::mount_root() fails 2019-11-17 18:58:25 +01:00
install.sh POSIX compliance: (most) shell scripts converted to generic shell 2019-11-03 09:26:22 +01:00
IO.h Kernel: First cut of a sb16 driver 2019-07-13 08:00:24 +02:00
IRQHandler.cpp Kernel: Move PIC.cpp into Arch/i386/ 2019-07-09 15:04:43 +02:00
IRQHandler.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
KBuffer.h Kernel: Make Region single-owner instead of ref-counted 2019-09-27 14:25:42 +02:00
KBufferBuilder.cpp Kernel: Add KBufferBuilder, similar to StringBuilder but for KBuffer 2019-08-06 20:04:12 +02:00
KBufferBuilder.h AK: Rename <AK/AKString.h> to <AK/String.h> 2019-09-06 15:36:54 +02:00
KeyCode.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
KParams.cpp AK: Make HashMap::get(Key) return an Optional<Value>. 2019-07-24 10:25:43 +02:00
KParams.h AK: Rename <AK/AKString.h> to <AK/String.h> 2019-09-06 15:36:54 +02:00
kprintf.cpp Kernel: Demangle userspace ELF symbols in backtraces 2019-11-27 14:06:24 +01:00
KResult.h Kernel: Align the KResult value storage appropriately. 2019-08-02 19:22:48 +02:00
kstdio.h Kernel: Demangle userspace ELF symbols in backtraces 2019-11-27 14:06:24 +01:00
KSyms.cpp Kernel: Demangle kernel C++ symbols correctly again 2019-11-29 14:59:15 +01:00
KSyms.h Kernel: Allow modules to link against anything in kernel.map :^) 2019-11-28 21:30:20 +01:00
linker.ld Revert "Kernel: Move Kernel mapping to 0xc0000000" 2019-11-23 17:27:09 +01:00
Lock.cpp Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 2019-12-01 12:07:43 +01:00
Lock.h Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 2019-12-01 12:07:43 +01:00
makeall.sh Demos: Remove "RetroFetch" 2019-11-25 00:07:00 +01:00
Makefile Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 2019-12-01 12:07:43 +01:00
mkmap.sh Kernel: Allow modules to link against anything in kernel.map :^) 2019-11-28 21:30:20 +01:00
Module.h Kernel: Implement basic module unloading :^) 2019-11-28 21:07:22 +01:00
MousePacket.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
Multiboot.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
PCI.cpp Kernel: Hide PCI logs behind a debug flag like other logs 2019-08-14 06:28:53 +02:00
PCI.h Kernel: Add more PCI configuration reading functions 2019-08-14 06:28:53 +02:00
Process.cpp Kernel: Have modules export their name in a "module_name" string 2019-11-29 21:31:17 +01:00
Process.h Kernel: Implement very simple kernel module loading 2019-11-28 20:59:11 +01:00
ProcessTracer.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
ProcessTracer.h Kernel: Make File's can_read/can_write take a const FileDescription& 2019-11-04 14:03:14 +01:00
RTC.cpp Kernel: Fix BIOS date/time on hardware 2019-09-28 13:59:49 +02:00
RTC.h Add clang-format file 2019-05-28 17:31:20 +02:00
run run: Unbreak this script when running with a regular Bourne /bin/sh 2019-11-13 21:57:51 +01:00
Scheduler.cpp Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 2019-12-01 12:07:43 +01:00
Scheduler.h Kernel: Stop idling after handling an IRQ 2019-09-14 20:21:10 +02:00
SharedBuffer.cpp Kernel: Teach Region how to remap itself 2019-11-03 21:11:08 +01:00
SharedBuffer.h Kernel: Rename "vmo" to "vmobject" everywhere 2019-09-04 11:27:14 +02:00
StdLib.cpp Kernel: Demangle userspace ELF symbols in backtraces 2019-11-27 14:06:24 +01:00
StdLib.h Kernel: Add strncmp() 2019-08-11 16:30:43 +02:00
sync.sh Build: Make sure PATH is passed properly (#765) 2019-11-12 10:26:50 +01:00
Syscall.cpp Kernel: Disallow syscalls from writeable memory 2019-11-29 16:30:05 +01:00
Syscall.h Kernel: Implement very simple kernel module loading 2019-11-28 20:59:11 +01:00
TestModule.cpp Kernel: Have modules export their name in a "module_name" string 2019-11-29 21:31:17 +01:00
Thread.cpp Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 2019-12-01 12:07:43 +01:00
Thread.h Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 2019-12-01 12:07:43 +01:00
UnixTypes.h Kernel: Implement some basic stack pointer validation 2019-11-17 12:15:43 +01:00
WaitQueue.cpp Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 2019-12-01 12:07:43 +01:00
WaitQueue.h Kernel: Add a WaitQueue for Thread queueing/waking and use it for Lock 2019-12-01 12:07:43 +01:00