Kernel/LibC: Implement sched_* functionality to set/get process priority

Right now, we allow anything inside a user to raise or lower any other process's
priority. This feels simple enough to me. Linux disallows raising, but
that's annoying in practice.

1 files changed, 4 insertions, 0 deletions

diff --git a/Kernel/Syscall.cpp b/Kernel/Syscall.cpp
index 94b8ea6c97..49ade71a3c 100644
--- a/Kernel/Syscall.cpp
+++ b/Kernel/Syscall.cpp
@@ -276,6 +276,10 @@ static dword handle(RegisterDump& regs, dword function, dword arg1, dword arg2,
         return current->process().sys$getsockname((int)arg1, (sockaddr*)arg2, (socklen_t*)arg3);
     case Syscall::SC_getpeername:
         return current->process().sys$getpeername((int)arg1, (sockaddr*)arg2, (socklen_t*)arg3);
+    case Syscall::SC_sched_setparam:
+        return current->process().sys$sched_setparam((pid_t)arg1, (struct sched_param*)arg2);
+    case Syscall::SC_sched_getparam:
+        return current->process().sys$sched_setparam((pid_t)arg1, (struct sched_param*)arg2);
     default:
         kprintf("<%u> int0x82: Unknown function %u requested {%x, %x, %x}\n", current->process().pid(), function, arg1, arg2, arg3);
         return -ENOSYS;