Move WindowServer to userspace.

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 :^)

1 files changed, 5 insertions, 1 deletions

diff --git a/LibC/unistd.cpp b/LibC/unistd.cpp
index 39d18b32e5..d6ec950f7d 100644
--- a/LibC/unistd.cpp
+++ b/LibC/unistd.cpp
@@ -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)