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4a8683ea686c1c6fb11a2641a0e7a2e5fe8ca9f5
ladybird/Kernel
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Andreas Kling 4a8683ea68 Kernel+LibPthread+LibC: Add a naive futex and use it for pthread_cond_t 
This patch implements a simple version of the futex (fast userspace
mutex) API in the kernel and uses it to make the pthread_cond_t API's
block instead of busily sched_yield().

An arbitrary userspace address is passed to the kernel as a "token"
that identifies the futex and you can then FUTEX_WAIT and FUTEX_WAKE
that specific userspace address.

FUTEX_WAIT corresponds to pthread_cond_wait() and FUTEX_WAKE is used
for pthread_cond_signal() and pthread_cond_broadcast().

I'm pretty sure I'm missing something in this implementation, but it's
hopefully okay for a start. :^)
2019-12-25 23:54:06 +01:00
..
Arch/i386
Kernel: Interpret "reserved bit violation" page faults correctly
2019-12-25 13:35:57 +01:00
Devices
Kernel: Rename vmo => vmobject everywhere
2019-12-19 19:15:27 +01:00
FileSystem
Kernel: Implement recursion limit on path resolution
2019-12-24 23:14:14 +01:00
Heap
Kernel: Demangle userspace ELF symbols in backtraces
2019-11-27 14:06:24 +01:00
Net
Net: Shrink the NetworkTask packet buffer
2019-12-22 14:54:37 +01:00
TTY
VirtualConsole: use memmove for an overlapping copy
2019-12-20 20:02:45 +01:00
VM
Kernel: Make kernel memory regions be non-executable by default
2019-12-25 22:41:34 +01:00
.bochsrc
Meta: Make Serenity run on Bochs once again
2019-08-06 21:09:24 +02:00
.gitignore
…
Assertions.h
…
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
WindowServer+MenuApplets: Move the "Audio" applet to its own program
2019-12-16 15:33:42 +01:00
CMOS.cpp
…
CMOS.h
…
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_gpt.cfg
PartitionTable: Initial GPT Support, Adding Block Limit
2019-10-07 10:11:39 +02:00
grub.cfg
Kernel: Add serial_debug cmdline parameter
2019-08-11 08:22:42 +02:00
init.cpp
Kernel: Get rid of "main thread" concept
2019-12-22 12:37:58 +01:00
IO.h
…
IRQHandler.cpp
…
IRQHandler.h
…
KBuffer.h
Kernel: Make kernel memory regions be non-executable by default
2019-12-25 22:41:34 +01:00
KBufferBuilder.cpp
Kernel: Make kernel memory regions be non-executable by default
2019-12-25 22:41:34 +01:00
KBufferBuilder.h
AK: Rename <AK/AKString.h> to <AK/String.h>
2019-09-06 15:36:54 +02:00
KernelInfoPage.h
Kernel+LibC: Publish a "kernel info page" and use it for gettimeofday()
2019-12-15 21:29:26 +01:00
KeyCode.h
…
KParams.cpp
…
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
…
kstdio.h
Build: Get rid of the USERLAND define
2019-12-20 22:59:11 +01:00
KSyms.cpp
Kernel: Add a size argument to validate_read_from_kernel
2019-12-24 01:28:38 +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: Use a dedicated thread state for wait-queued threads
2019-12-01 16:02:58 +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
Build: Fix shellcheck warnings in makeall.sh
2019-12-24 02:19:59 +01:00
Makefile
Kernel: Make sure we build with -mno-387, -mno-sse, etc.
2019-12-20 21:01:30 +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
…
Multiboot.h
…
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+LibPthread+LibC: Add a naive futex and use it for pthread_cond_t
2019-12-25 23:54:06 +01:00
Process.h
Kernel+LibPthread+LibC: Add a naive futex and use it for pthread_cond_t
2019-12-25 23:54:06 +01:00
ProcessTracer.cpp
…
ProcessTracer.h
Kernel: Make File's can_read/can_write take a const FileDescription&
2019-11-04 14:03:14 +01:00
Profiling.cpp
Kernel: Separate out the symbol offsets in profile output
2019-12-12 21:59:47 +01:00
Profiling.h
Kernel: Separate out the symbol offsets in profile output
2019-12-12 21:59:47 +01:00
RTC.cpp
Kernel: Fix BIOS date/time on hardware
2019-09-28 13:59:49 +02:00
RTC.h
…
run
run: Run QEMU with "-cpu max"
2019-12-25 15:19:13 +01:00
Scheduler.cpp
Kernel: Get rid of "main thread" concept
2019-12-22 12:37:58 +01:00
Scheduler.h
Kernel: Get rid of "main thread" concept
2019-12-22 12:37:58 +01:00
SharedBuffer.cpp
Kernel: Rename vmo => vmobject everywhere
2019-12-19 19:15:27 +01:00
SharedBuffer.h
Kernel+LibC: Make all SharedBuffers purgeable (default: non-volatile)
2019-12-09 20:06:47 +01:00
StdLib.cpp
Kernel+LibC: Build with basic -fstack-protector support
2019-12-20 21:03:32 +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: Make separate kernel entry points for each PIC IRQ
2019-12-15 12:47:53 +01:00
Syscall.h
Kernel+LibPthread+LibC: Add a naive futex and use it for pthread_cond_t
2019-12-25 23:54:06 +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: Make kernel memory regions be non-executable by default
2019-12-25 22:41:34 +01:00
Thread.h
Kernel: Use IntrusiveList to make WaitQueue allocation-free :^)
2019-12-22 12:38:01 +01:00
UnixTypes.h
Kernel+LibPthread+LibC: Add a naive futex and use it for pthread_cond_t
2019-12-25 23:54:06 +01:00
WaitQueue.cpp
Kernel: Use IntrusiveList to make WaitQueue allocation-free :^)
2019-12-22 12:38:01 +01:00
WaitQueue.h
Kernel: Use IntrusiveList to make WaitQueue allocation-free :^)
2019-12-22 12:38:01 +01:00