Rework shared headers

kernel/syscall/processctl.c

@@ -2,23 +2,15 @@
 #include "syscall.h"
 #include "proc/proc.h"
 #include "spinlock/spinlock.h"
-#include "hdrs/errors.h"
+#include "errors.h"
 #include "util/util.h"
+#include "sysdefs/processctl.h"
 
 #define PID_SELF_MAGIC 0x5E1F
 
-enum {
-  PCTL_KILL = 0,
-};
-
-typedef struct {
-  
-} ProcessCtl;
-
 int32_t SYSCALL3(sys_processctl, pid1, cmd1, optsptr1) {
   uint64_t pid = pid1;
   uint64_t cmd = cmd1;
-  ProcessCtl *pctl = (ProcessCtl *)(void *)optsptr1;
   int32_t ret = E_OK;
 
   spinlock_acquire(&PROCS.spinlock);

kernel/syscall/syscall.c

@@ -1,9 +1,9 @@
 #include <stdint.h>
 #include "syscall.h"
-#include "hdrs/errors.h"
+#include "errors.h"
 #include "kprintf.h"
 #include "processctl.h"
-#include "hdrs/syscall.h"
+#include "sysdefs/syscall.h"
 
 int32_t SYSCALL1(sys_debugprint, string) {
   char *p = (char *)string;