getpid

kernel/syscall/stub.h

@@ -14,8 +14,8 @@ enum class ID : size_t {
     SEM_DESTROY=5,
     SEM_WAIT=6,
     SEM_SIGNAL=7,
-    //SYS_GETPID=8,
-    SYS_EXIT= 9,
+    SYS_GETPID = 8,
+    SYS_EXIT = 9,
     //SYS_KILL=10
 };
 }  // namespace Syscall
@@ -59,6 +59,10 @@ extern "C" ssize_t sys_safe_call(Syscall::ID id, size_t p1, size_t p2,
   return sys_call(Syscall::ID::SEM_SIGNAL, fd, semid,0,0,0);
 }
 
+[[gnu::always_inline]] static inline int sys_getpid(){
+	return sys_call(Syscall::ID::SYS_GETPID, 0,0,0,0,0);
+}
+
 [[gnu::always_inline]] static inline void sys_exit(){
     sys_call(Syscall::ID::SYS_EXIT, 0, 0, 0, 0, 0);
 }