| kern_fork.c (41038) | kern_fork.c (41931) |
|---|---|
| 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 * $Id: kern_fork.c,v 1.51 1998/01/22 17:29:46 dyson Exp $ | 39 * $Id: kern_fork.c,v 1.52 1998/11/09 15:07:41 truckman Exp $ |
| 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> --- 9 unchanged lines hidden (view full) --- 57 58#include <vm/vm.h> 59#include <sys/lock.h> 60#include <vm/pmap.h> 61#include <vm/vm_map.h> 62#include <vm/vm_extern.h> 63#include <vm/vm_zone.h> 64 | 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> --- 9 unchanged lines hidden (view full) --- 57 58#include <vm/vm.h> 59#include <sys/lock.h> 60#include <vm/pmap.h> 61#include <vm/vm_map.h> 62#include <vm/vm_extern.h> 63#include <vm/vm_zone.h> 64 |
| 65#ifdef COMPAT_LINUX_THREADS 66#include <machine/frame.h> 67 68#endif /* COMPAT_LINUX_THREADS */ |
|
| 65#ifdef SMP 66static int fast_vfork = 0; /* Doesn't work on SMP yet. */ 67#else 68static int fast_vfork = 1; 69#endif 70SYSCTL_INT(_kern, OID_AUTO, fast_vfork, CTLFLAG_RW, &fast_vfork, 0, ""); 71 72/* --- 247 unchanged lines hidden (view full) --- 320 if (p1->p_flag & P_PROFIL) 321 startprofclock(p2); 322 MALLOC(p2->p_cred, struct pcred *, sizeof(struct pcred), 323 M_SUBPROC, M_WAITOK); 324 bcopy(p1->p_cred, p2->p_cred, sizeof(*p2->p_cred)); 325 p2->p_cred->p_refcnt = 1; 326 crhold(p1->p_ucred); 327 | 69#ifdef SMP 70static int fast_vfork = 0; /* Doesn't work on SMP yet. */ 71#else 72static int fast_vfork = 1; 73#endif 74SYSCTL_INT(_kern, OID_AUTO, fast_vfork, CTLFLAG_RW, &fast_vfork, 0, ""); 75 76/* --- 247 unchanged lines hidden (view full) --- 324 if (p1->p_flag & P_PROFIL) 325 startprofclock(p2); 326 MALLOC(p2->p_cred, struct pcred *, sizeof(struct pcred), 327 M_SUBPROC, M_WAITOK); 328 bcopy(p1->p_cred, p2->p_cred, sizeof(*p2->p_cred)); 329 p2->p_cred->p_refcnt = 1; 330 crhold(p1->p_ucred); 331 |
| 332#ifdef COMPAT_LINUX_THREADS 333 if (flags & RFSIGSHARE) { 334 p2->p_procsig->ps_refcnt++; 335 } else { 336 p2->p_procsig = malloc(sizeof(struct procsig), M_TEMP, M_WAITOK); 337 p2->p_procsig->ps_refcnt = 1; 338 p2->p_procsig->ps_posix = 0; 339 bcopy(&p1->p_procsig->ps_begincopy, &p2->p_procsig->ps_begincopy, 340 (unsigned)&p1->p_procsig->ps_endcopy - 341 (unsigned)&p1->p_procsig->ps_begincopy); 342 } 343 if (flags & RFLINUXTHPN) { 344 p2->p_sigparent = SIGUSR1; 345 } 346 p2->p_sigacts = &p2->p_procsig->ps_sigacts; 347 if((flags & RFTHREAD) != 0 && (flags & RFPOSIXSIG) != 0) 348 p2->p_procsig->ps_posix = 1; 349#endif /* COMPAT_LINUX_THREADS */ |
|
| 328 /* bump references to the text vnode (for procfs) */ 329 p2->p_textvp = p1->p_textvp; 330 if (p2->p_textvp) 331 VREF(p2->p_textvp); 332 333 if (flags & RFCFDG) 334 p2->p_fd = fdinit(p1); 335 else if (flags & RFFDG) --- 169 unchanged lines hidden --- | 350 /* bump references to the text vnode (for procfs) */ 351 p2->p_textvp = p1->p_textvp; 352 if (p2->p_textvp) 353 VREF(p2->p_textvp); 354 355 if (flags & RFCFDG) 356 p2->p_fd = fdinit(p1); 357 else if (flags & RFFDG) --- 169 unchanged lines hidden --- |