2 * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
3 * Licensed under the GPL
6 #include <linux/syscalls.h>
7 #include <sysdep/syscalls.h>
10 * The prototype on i386 is:
12 * int clone(int flags, void * child_stack, int * parent_tidptr, struct user_desc * newtls
14 * and the "newtls" arg. on i386 is read by copy_thread directly from the
15 * register saved on the stack.
17 long i386_clone(unsigned long clone_flags, unsigned long newsp,
18 int __user *parent_tid, void *newtls, int __user *child_tid)
20 return sys_clone(clone_flags, newsp, parent_tid, child_tid);
24 long sys_sigaction(int sig, const struct old_sigaction __user *act,
25 struct old_sigaction __user *oact)
27 struct k_sigaction new_ka, old_ka;
32 if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
33 __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
34 __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
35 __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
36 __get_user(mask, &act->sa_mask))
38 siginitset(&new_ka.sa.sa_mask, mask);
41 ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
44 if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
45 __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
46 __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
47 __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
48 __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))