Kernel: Add SYS_SLEEP

libc/include/sys/syscall.h

@@ -18,6 +18,7 @@ __BEGIN_DECLS
 #define SYS_GET_TERMIOS 11
 #define SYS_SET_TERMIOS 12
 #define SYS_FORK 13
+#define SYS_SLEEP 14
 
 __END_DECLS
 

libc/unistd.cpp

@@ -108,6 +108,12 @@ long syscall(long syscall, ...)
 			ret = Kernel::syscall(SYS_FORK);
 			break;
 		}
+		case SYS_SLEEP:
+		{
+			unsigned int seconds = va_arg(args, unsigned int);
+			ret = Kernel::syscall(SYS_SLEEP, seconds);
+			break;
+		}
 		default:
 			puts("LibC: Unhandeled syscall");
 			ret = -ENOSYS;
@@ -129,3 +135,8 @@ pid_t fork(void)
 {
 	return syscall(SYS_FORK);
 }
+
+unsigned int sleep(unsigned int seconds)
+{
+	return syscall(SYS_SLEEP, seconds);
+}