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Move WindowServer to userspace.

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This is a monster patch that required changing a whole bunch of things.
There are performance and stability issues all over the place, but it works.
Pretty cool, I have to admit :^)
This commit is contained in:
Andreas Kling 2019-02-17 00:13:47 +01:00
parent 0b1b21d622
commit 640360e958
41 changed files with 325 additions and 463 deletions
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2
LibC/Makefile
View file

@ -57,7 +57,7 @@ STANDARD_FLAGS = -std=c++17 -nostdinc++ -nostdlib -nostdinc
LIBC_FLAGS = -ffreestanding -fno-stack-protector -fno-ident
WARNING_FLAGS = -Wextra -Wall -Wundef -Wcast-qual -Wwrite-strings -Wimplicit-fallthrough
FLAVOR_FLAGS = -fomit-frame-pointer -march=i386 -m32 -fno-exceptions -fno-rtti -ffunction-sections -fdata-sections -fmerge-all-constants -fno-unroll-loops -fno-pie -fno-pic
OPTIMIZATION_FLAGS = -O2 -fno-asynchronous-unwind-tables
OPTIMIZATION_FLAGS = -Os -fno-asynchronous-unwind-tables
INCLUDE_FLAGS = -I.. -I.
DEFINES = -DSERENITY -DUSERLAND -DSANITIZE_PTRS

1
LibC/errno_numbers.h
View file

@ -47,6 +47,7 @@
__ERROR(EWHYTHO, "Failed without setting an error code (Bug!)") \
__ERROR(ENOTEMPTY, "Directory not empty") \
__ERROR(ECONNREFUSED, "Connection refused") \
__ERROR(EMAXERRNO, "The highest errno +1 :^)")
enum __errno_values {

6
LibC/unistd.cpp
View file

@ -357,7 +357,11 @@ int create_shared_buffer(pid_t peer_pid, size_t size, void** buffer)
void* get_shared_buffer(int shared_buffer_id)
{
int rc = syscall(SC_get_shared_buffer, shared_buffer_id);
__RETURN_WITH_ERRNO(rc, (void*)rc, (void*)-1);
if (rc < 0 && -rc < EMAXERRNO) {
errno = -rc;
return (void*)-1;
}
return (void*)rc;
}
int release_shared_buffer(int shared_buffer_id)