Commit c52c2ddc authored by Al Viro's avatar Al Viro Committed by Linus Torvalds
Browse files

alpha: switch osf_sigprocmask() to use of sigprocmask() 



get rid of a useless wrapper, while we are at it

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 32163f4b

arch/alpha/kernel/entry.S

+0 −9
Original line number Diff line number Diff line
@@ -914,15 +914,6 @@ sys_execve: 
	jmp	$31, do_sys_execve

.end sys_execve



	.align	4

	.globl	osf_sigprocmask

	.ent	osf_sigprocmask

osf_sigprocmask:

	.prologue 0

	mov	$sp, $18

	jmp	$31, sys_osf_sigprocmask

.end osf_sigprocmask



	.align	4

	.globl	alpha_ni_syscall

	.ent	alpha_ni_syscall

arch/alpha/kernel/signal.c

+11 −37
Original line number Diff line number Diff line
@@ -41,46 +41,20 @@ static void do_signal(struct pt_regs *, struct switch_stack *, 
/*

 * The OSF/1 sigprocmask calling sequence is different from the

 * C sigprocmask() sequence..

 *

 * how:

 * 1 - SIG_BLOCK

 * 2 - SIG_UNBLOCK

 * 3 - SIG_SETMASK

 *

 * We change the range to -1 .. 1 in order to let gcc easily

 * use the conditional move instructions.

 *

 * Note that we don't need to acquire the kernel lock for SMP

 * operation, as all of this is local to this thread.

 */

SYSCALL_DEFINE3(osf_sigprocmask, int, how, unsigned long, newmask,

		struct pt_regs *, regs)

SYSCALL_DEFINE2(osf_sigprocmask, int, how, unsigned long, newmask)

{

	unsigned long oldmask = -EINVAL;



	if ((unsigned long)how-1 <= 2) {

		long sign = how-2;		/* -1 .. 1 */

		unsigned long block, unblock;



		newmask &= _BLOCKABLE;

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

		oldmask = current->blocked.sig[0];



		unblock = oldmask & ~newmask;

		block = oldmask | newmask;

		if (!sign)

			block = unblock;

		if (sign <= 0)

			newmask = block;

		if (_NSIG_WORDS > 1 && sign > 0)

			sigemptyset(&current->blocked);

		current->blocked.sig[0] = newmask;

		recalc_sigpending();

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

	sigset_t oldmask;

	sigset_t mask;

	unsigned long res;



		regs->r0 = 0;		/* special no error return */

	siginitset(&mask, newmask & ~_BLOCKABLE);

	res = siprocmask(how, &mask, &oldmask);

	if (!res) {

		force_successful_syscall_return();

		res = oldmask->sig[0];

	}

	return oldmask;

	return res;

}



SYSCALL_DEFINE3(osf_sigaction, int, sig,

arch/alpha/kernel/systbls.S

+1 −1
Original line number Diff line number Diff line
@@ -58,7 +58,7 @@ sys_call_table: 
	.quad sys_open				/* 45 */

	.quad alpha_ni_syscall

	.quad sys_getxgid

	.quad osf_sigprocmask

	.quad sys_osf_sigprocmask

	.quad alpha_ni_syscall

	.quad alpha_ni_syscall			/* 50 */

	.quad sys_acct