Commit 36a7878a authored by Jeff Dike's avatar Jeff Dike Committed by Linus Torvalds
Browse files

[PATCH] uml: use generic sys_rt_sigsuspend 



Use the generic sys_rt_sigsuspend.

Signed-off-by: default avatarJeff Dike <jdike@addtoit.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 2fc10620

arch/um/kernel/signal_kern.c

+0 −24
Original line number Diff line number Diff line
@@ -185,30 +185,6 @@ long sys_sigsuspend(int history0, int history1, old_sigset_t mask) 
	return -ERESTARTNOHAND;

}



long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize)

{

	sigset_t newset;



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

	if (sigsetsize != sizeof(sigset_t))

		return -EINVAL;



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

		return -EFAULT;

	sigdelsetmask(&newset, ~_BLOCKABLE);



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

	current->saved_sigmask = current->blocked;

	current->blocked = newset;

	recalc_sigpending();

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



	current->state = TASK_INTERRUPTIBLE;

	schedule();

	set_thread_flag(TIF_RESTORE_SIGMASK);

	return -ERESTARTNOHAND;

}



long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)

{

	return(do_sigaltstack(uss, uoss, PT_REGS_SP(&current->thread.regs)));

include/asm-um/unistd.h

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ extern int um_execve(const char *file, char *const argv[], char *const env[]); 
#define __ARCH_WANT_SYS_SIGPENDING

#define __ARCH_WANT_SYS_SIGPROCMASK

#define __ARCH_WANT_SYS_RT_SIGACTION

#define __ARCH_WANT_SYS_RT_SIGSUSPEND

#endif



#ifdef __KERNEL_SYSCALLS__