diff options
Diffstat (limited to 'lib/libpthread/uthread/uthread_suspend_np.c')
| -rw-r--r-- | lib/libpthread/uthread/uthread_suspend_np.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/lib/libpthread/uthread/uthread_suspend_np.c b/lib/libpthread/uthread/uthread_suspend_np.c index daeb60a661a..8c455e0a11d 100644 --- a/lib/libpthread/uthread/uthread_suspend_np.c +++ b/lib/libpthread/uthread/uthread_suspend_np.c @@ -1,3 +1,4 @@ +/* $OpenBSD: uthread_suspend_np.c,v 1.4 1999/11/25 07:01:46 d Exp $ */ /* * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>. * All rights reserved. @@ -20,7 +21,7 @@ * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) @@ -29,7 +30,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $OpenBSD: uthread_suspend_np.c,v 1.3 1999/05/26 00:18:26 d Exp $ + * $FreeBSD: uthread_suspend_np.c,v 1.7 1999/08/28 00:03:53 peter Exp $ */ #include <errno.h> #ifdef _THREAD_SAFE @@ -53,20 +54,19 @@ pthread_suspend_np(pthread_t thread) } /* - * Guard against preemption by a scheduling signal. - * A change of thread state modifies the waiting - * and priority queues. + * Defer signals to protect the scheduling queues from + * access by the signal handler: */ - _thread_kern_sched_defer(); + _thread_kern_sig_defer(); /* Suspend the thread. */ PTHREAD_NEW_STATE(thread,PS_SUSPENDED); /* - * Reenable preemption and yield if a scheduling signal - * occurred while in the critical region. + * Undefer and handle pending signals, yielding if + * necessary: */ - _thread_kern_sched_undefer(); + _thread_kern_sig_undefer(); } return(ret); } |