diff options
Diffstat (limited to 'usr/src/uts/common/syscall/sigprocmask.c')
| -rw-r--r-- | usr/src/uts/common/syscall/sigprocmask.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/usr/src/uts/common/syscall/sigprocmask.c b/usr/src/uts/common/syscall/sigprocmask.c index 8f7cf6113d..51afc4e643 100644 --- a/usr/src/uts/common/syscall/sigprocmask.c +++ b/usr/src/uts/common/syscall/sigprocmask.c @@ -2,9 +2,8 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -19,15 +18,13 @@ * * CDDL HEADER END */ -/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ - /* - * Copyright 1994-2003 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ -#pragma ident "%Z%%M% %I% %E% SMI" +/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ #include <sys/param.h> #include <sys/types.h> @@ -47,7 +44,11 @@ lwp_sigmask(int how, uint_t bits0, uint_t bits1) proc_t *p = ttoproc(t); rval_t rv; - mutex_enter(&p->p_lock); + /* + * We don't need to acquire p->p_lock here; + * we are manipulating thread-private data. + */ + schedctl_finish_sigblock(t); bits0 &= (FILLSET0 & ~CANTMASK0); @@ -75,7 +76,6 @@ lwp_sigmask(int how, uint_t bits0, uint_t bits1) break; } - mutex_exit(&p->p_lock); return (rv.r_vals); } |