diff options
Diffstat (limited to 'usr/src/uts/common/os/schedctl.c')
| -rw-r--r-- | usr/src/uts/common/os/schedctl.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/usr/src/uts/common/os/schedctl.c b/usr/src/uts/common/os/schedctl.c index 752c2535c4..ed6e74c558 100644 --- a/usr/src/uts/common/os/schedctl.c +++ b/usr/src/uts/common/os/schedctl.c @@ -20,12 +20,10 @@ */ /* - * Copyright 2008 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" - #include <sys/types.h> #include <sys/systm.h> #include <sys/schedctl.h> @@ -333,14 +331,15 @@ schedctl_sigblock(kthread_t *t) * its signal mask to block all maskable signals, then clear the * sc_sigblock field. This finishes what user-level code requested * to be done when it set tdp->sc_shared->sc_sigblock non-zero. - * Called by signal-related code that holds the process's p_lock. + * Called from signal-related code either by the current thread for + * itself or by a thread that holds the process's p_lock (/proc code). */ void schedctl_finish_sigblock(kthread_t *t) { sc_shared_t *tdp = t->t_schedctl; - ASSERT(MUTEX_HELD(&ttoproc(t)->p_lock)); + ASSERT(t == curthread || MUTEX_HELD(&ttoproc(t)->p_lock)); if (tdp != NULL && tdp->sc_sigblock) { t->t_hold.__sigbits[0] = FILLSET0 & ~CANTMASK0; |