procgroup capabilities

kernel/proc/capability.h

@@ -0,0 +1,6 @@
+#ifndef _KERNEL_PROC_CAPABILITY_H
+#define _KERNEL_PROC_CAPABILITY_H
+
+#define PROC_CAP_TERMINAL (1 << 0)
+
+#endif // _KERNEL_PROC_CAPABILITY_H

kernel/proc/proc.c

@@ -12,6 +12,7 @@
 #include <m/status.h>
 #include <mm/liballoc.h>
 #include <mm/pmm.h>
+#include <proc/capability.h>
 #include <proc/proc.h>
 #include <proc/procgroup.h>
 #include <proc/resource.h>
@@ -303,6 +304,7 @@ void proc_init (void) {
   proc_register (spin_proc, &spin_cpu);
 
   struct proc* init = proc_from_file ("ramdisk", "/init.exe");
+  init->procgroup->capabilities |= PROC_CAP_TERMINAL;
   struct cpu* init_cpu = thiscpu;
   proc_register (init, &init_cpu);
 

kernel/proc/procgroup.h

@@ -31,6 +31,7 @@ struct procgroup {
   struct list_node_link* mappings;
   uintptr_t map_base;
   struct procgroup_tls tls;
+  uint64_t capabilities;
 };
 
 struct procgroup* procgroup_create (void);