 return ret; 
handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,	      sigset_t *oldset,	struct pt_regs * regs){	/* Are we from a system call? */	if (regs->orig_eax >= 0) {		/* If so, check system call restarting.. */		switch (regs->eax) {		        case -ERESTART_RESTARTBLOCK:			case -ERESTARTNOHAND:				regs->eax = -EINTR;				break;			case -ERESTARTSYS:				if (!(ka->sa.sa_flags & SA_RESTART)) {					regs->eax = -EINTR;					break;				}			/* fallthrough */			case -ERESTARTNOINTR:				regs->eax = regs->orig_eax;				regs->eip -= 2;		}	}	/*	 * If TF is set due to a debugger (PT_DTRACE), clear the TF flag so	 * that register information in the sigcontext is correct.	 */	if (unlikely(regs->eflags & TF_MASK)	    && likely(current->ptrace & PT_DTRACE)) {		current->ptrace &= ~PT_DTRACE;		regs->eflags &= ~TF_MASK;	}	/* Set up the stack frame */	if (ka->sa.sa_flags & SA_SIGINFO)		setup_rt_frame(sig, ka, info, oldset, regs);	else		setup_frame(sig, ka, oldset, regs);	if (!(ka->sa.sa_flags & SA_NODEFER)) {		spin_lock_irq(&current->sighand->siglock);		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);		sigaddset(&current->blocked,sig);		recalc_sigpending();		spin_unlock_irq(&current->sighand->siglock);	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/7c1def1652c6c1a95eafca2991baace34afaed0f/signal.c/clean/arch/i386/kernel/signal.c