syscall.c.rej

diff a/syscall.c b/syscall.c	(rejected hunks)
@@ -98,6 +98,10 @@ extern int sys_unlink(void);
 extern int sys_wait(void);
 extern int sys_write(void);
 extern int sys_uptime(void);
+extern int sys_signal(void);
+extern int sys_sigsend(void);
+extern int sys_sigreturn(void);
+extern int sys_alarm(void);
 
 static int (*syscalls[])(void) = {
 [SYS_fork]    sys_fork,
@@ -121,6 +125,10 @@ static int (*syscalls[])(void) = {
 [SYS_link]    sys_link,
 [SYS_mkdir]   sys_mkdir,
 [SYS_close]   sys_close,
+[SYS_signal]  sys_signal,
+[SYS_sigsend] sys_sigsend,
+[SYS_sigreturn] sys_sigreturn,
+[SYS_alarm]   sys_alarm,
 };
 
 void
@@ -136,4 +144,4 @@ syscall(void)
             proc->pid, proc->name, num);
     proc->tf->eax = -1;
   }
-}
+}
\ No newline at end of file