diff options
Diffstat (limited to 'arch/avr32/kernel/signal.c')
| -rw-r--r-- | arch/avr32/kernel/signal.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index 64f886f..ae386c3 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -77,6 +77,9 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) struct rt_sigframe __user *frame; sigset_t set; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + frame = (struct rt_sigframe __user *)regs->sp; pr_debug("SIG return: frame = %p\n", frame); @@ -87,10 +90,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; @@ -238,22 +238,16 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, */ ret |= !valid_user_regs(regs); - /* - * Block the signal if we were unsuccessful. - */ - if (ret != 0 || !(ka->sa.sa_flags & SA_NODEFER)) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka->sa.sa_mask); - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } - - if (ret == 0) + if (ret != 0) { + force_sigsegv(sig, current); return; + } - force_sigsegv(sig, current); + /* + * Block the signal if we were successful. + */ + block_sigmask(ka, sig); + clear_thread_flag(TIF_RESTORE_SIGMASK); } /* |