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Commit c37a3303 authored by Hirokazu Takata's avatar Hirokazu Takata
Browse files

m32r: Update sys_rt_sigsuspend 



Update sys_rt_sigsuspend() of arch/m32r/signal.c.
This modification is derived from generic one of kernel/signal.c.

Signed-off-by: default avatarHirokazu Takata <takata@linux-m32r.org>
parent 52fda487

arch/m32r/kernel/signal.c

+7 −10
Original line number Diff line number Diff line
@@ -36,7 +36,7 @@ sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, 
		  unsigned long r2, unsigned long r3, unsigned long r4,

		  unsigned long r5, unsigned long r6, struct pt_regs *regs)

{

	sigset_t saveset, newset;

	sigset_t newset;



	/* XXX: Don't preclude handling different sized sigset_t's.  */

	if (sigsetsize != sizeof(sigset_t))
@@ -44,21 +44,18 @@ sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, 


	if (copy_from_user(&newset, unewset, sizeof(newset)))

		return -EFAULT;

	sigdelsetmask(&newset, ~_BLOCKABLE);

	sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP));



	spin_lock_irq(&current->sighand->siglock);

	saveset = current->blocked;

	current->saved_sigmask = current->blocked;

	current->blocked = newset;

	recalc_sigpending();

	spin_unlock_irq(&current->sighand->siglock);



	regs->r0 = -EINTR;

	while (1) {

	current->state = TASK_INTERRUPTIBLE;

	schedule();

		if (do_signal(regs, &saveset))

			return regs->r0;

	}

	set_thread_flag(TIF_RESTORE_SIGMASK);

	return -ERESTARTNOHAND;

}



asmlinkage int

include/asm-m32r/thread_info.h

+8 −3
Original line number Diff line number Diff line
@@ -149,16 +149,21 @@ static inline unsigned int get_thread_fault_code(void) 
#define TIF_NEED_RESCHED	2	/* rescheduling necessary */

#define TIF_SINGLESTEP		3	/* restore singlestep on return to user mode */

#define TIF_IRET		4	/* return with iret */

#define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling TIF_NEED_RESCHED */

					/* 31..28 fault code */

#define TIF_MEMDIE		17

#define TIF_RESTORE_SIGMASK	8	/* restore signal mask in do_signal() */

#define TIF_USEDFPU		16	/* FPU was used by this task this quantum (SMP) */

#define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling TIF_NEED_RESCHED */

#define TIF_MEMDIE		18	/* OOM killer killed process */

#define TIF_FREEZE		19	/* is freezing for suspend */



#define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)

#define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)

#define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)

#define _TIF_SINGLESTEP		(1<<TIF_SINGLESTEP)

#define _TIF_IRET		(1<<TIF_IRET)

#define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)

#define _TIF_USEDFPU		(1<<TIF_USEDFPU)

#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)

#define _TIF_FREEZE		(1<<TIF_FREEZE)



#define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */

#define _TIF_ALLWORK_MASK	0x0000FFFF	/* work to do on any return to u-space */