| kern_fork.c (92852) | kern_fork.c (93264) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1989, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_fork.c 8.6 (Berkeley) 4/8/94 | 1/* 2 * Copyright (c) 1982, 1986, 1989, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_fork.c 8.6 (Berkeley) 4/8/94 |
| 39 * $FreeBSD: head/sys/kern/kern_fork.c 92852 2002-03-21 02:47:51Z benno $ | 39 * $FreeBSD: head/sys/kern/kern_fork.c 93264 2002-03-27 05:39:23Z dillon $ |
| 40 */ 41 42#include "opt_ktrace.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/sysproto.h> 47#include <sys/filedesc.h> --- 721 unchanged lines hidden (view full) --- 769 void *arg; 770 struct trapframe *frame; 771{ 772 struct thread *td = curthread; 773 struct proc *p = td->td_proc; 774 775 td->td_kse->ke_oncpu = PCPU_GET(cpuid); 776 /* | 40 */ 41 42#include "opt_ktrace.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/sysproto.h> 47#include <sys/filedesc.h> --- 721 unchanged lines hidden (view full) --- 769 void *arg; 770 struct trapframe *frame; 771{ 772 struct thread *td = curthread; 773 struct proc *p = td->td_proc; 774 775 td->td_kse->ke_oncpu = PCPU_GET(cpuid); 776 /* |
| 777 * Setup the sched_lock state so that we can release it. | 777 * Finish setting up thread glue. We need to initialize 778 * the thread into a td_critnest=1 state. Some platforms 779 * may have already partially or fully initialized td_critnest 780 * and/or td_md.md_savecrit (when applciable). 781 * 782 * see <arch>/<arch>/critical.c |
| 778 */ 779 sched_lock.mtx_lock = (uintptr_t)td; 780 sched_lock.mtx_recurse = 0; | 783 */ 784 sched_lock.mtx_lock = (uintptr_t)td; 785 sched_lock.mtx_recurse = 0; |
| 781 td->td_critnest = 1; 782 td->td_savecrit = CRITICAL_FORK; | 786 cpu_critical_fork_exit(); |
| 783 CTR3(KTR_PROC, "fork_exit: new proc %p (pid %d, %s)", p, p->p_pid, 784 p->p_comm); 785 if (PCPU_GET(switchtime.sec) == 0) 786 binuptime(PCPU_PTR(switchtime)); 787 PCPU_SET(switchticks, ticks); 788 mtx_unlock_spin(&sched_lock); 789 790 /* --- 46 unchanged lines hidden --- | 787 CTR3(KTR_PROC, "fork_exit: new proc %p (pid %d, %s)", p, p->p_pid, 788 p->p_comm); 789 if (PCPU_GET(switchtime.sec) == 0) 790 binuptime(PCPU_PTR(switchtime)); 791 PCPU_SET(switchticks, ticks); 792 mtx_unlock_spin(&sched_lock); 793 794 /* --- 46 unchanged lines hidden --- |