| kern_sharedpage.c (38799) | kern_sharedpage.c (40435) |
|---|---|
| 1/* 2 * Copyright (c) 1993, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/* 2 * Copyright (c) 1993, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $Id: kern_exec.c,v 1.85 1998/08/24 08:39:38 dfr Exp $ | 26 * $Id: kern_exec.c,v 1.86 1998/09/04 08:06:55 dfr Exp $ |
| 27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/sysproto.h> 32#include <sys/signalvar.h> 33#include <sys/kernel.h> 34#include <sys/mount.h> 35#include <sys/filedesc.h> 36#include <sys/fcntl.h> 37#include <sys/acct.h> 38#include <sys/exec.h> 39#include <sys/imgact.h> 40#include <sys/imgact_elf.h> 41#include <sys/wait.h> 42#include <sys/proc.h> 43#include <sys/pioctl.h> | 27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/sysproto.h> 32#include <sys/signalvar.h> 33#include <sys/kernel.h> 34#include <sys/mount.h> 35#include <sys/filedesc.h> 36#include <sys/fcntl.h> 37#include <sys/acct.h> 38#include <sys/exec.h> 39#include <sys/imgact.h> 40#include <sys/imgact_elf.h> 41#include <sys/wait.h> 42#include <sys/proc.h> 43#include <sys/pioctl.h> |
| 44#include <sys/malloc.h> |
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| 44#include <sys/namei.h> 45#include <sys/sysent.h> 46#include <sys/shm.h> 47#include <sys/sysctl.h> 48#include <sys/vnode.h> 49#include <sys/buf.h> 50 51#include <vm/vm.h> --- 14 unchanged lines hidden (view full) --- 66static long *exec_copyout_strings __P((struct image_params *)); 67 68static struct ps_strings *ps_strings = PS_STRINGS; 69SYSCTL_INTPTR(_kern, KERN_PS_STRINGS, ps_strings, 0, &ps_strings, 0, ""); 70 71static caddr_t usrstack = (caddr_t)USRSTACK; 72SYSCTL_INTPTR(_kern, KERN_USRSTACK, usrstack, 0, &usrstack, 0, ""); 73/* | 45#include <sys/namei.h> 46#include <sys/sysent.h> 47#include <sys/shm.h> 48#include <sys/sysctl.h> 49#include <sys/vnode.h> 50#include <sys/buf.h> 51 52#include <vm/vm.h> --- 14 unchanged lines hidden (view full) --- 67static long *exec_copyout_strings __P((struct image_params *)); 68 69static struct ps_strings *ps_strings = PS_STRINGS; 70SYSCTL_INTPTR(_kern, KERN_PS_STRINGS, ps_strings, 0, &ps_strings, 0, ""); 71 72static caddr_t usrstack = (caddr_t)USRSTACK; 73SYSCTL_INTPTR(_kern, KERN_USRSTACK, usrstack, 0, &usrstack, 0, ""); 74/* |
| 74 * execsw_set is constructed for us by the linker. Each of the items 75 * is a pointer to a `const struct execsw', hence the double pointer here. | 75 * Each of the items is a pointer to a `const struct execsw', hence the 76 * double pointer here. |
| 76 */ | 77 */ |
| 77static const struct execsw **execsw = 78 (const struct execsw **)&execsw_set.ls_items[0]; | 78static const struct execsw **execsw; |
| 79 80#ifndef _SYS_SYSPROTO_H_ 81struct execve_args { 82 char *fname; 83 char **argv; 84 char **envv; 85}; 86#endif --- 603 unchanged lines hidden (view full) --- 690 * general case). 691 */ 692 error = VOP_OPEN(vp, FREAD, p->p_ucred, p); 693 if (error) 694 return (error); 695 696 return (0); 697} | 79 80#ifndef _SYS_SYSPROTO_H_ 81struct execve_args { 82 char *fname; 83 char **argv; 84 char **envv; 85}; 86#endif --- 603 unchanged lines hidden (view full) --- 690 * general case). 691 */ 692 error = VOP_OPEN(vp, FREAD, p->p_ucred, p); 693 if (error) 694 return (error); 695 696 return (0); 697} |
| 698 699/* 700 * Exec handler registration 701 */ 702int 703exec_register(execsw_arg) 704 const struct execsw *execsw_arg; 705{ 706 const struct execsw **es, **xs, **newexecsw; 707 int count = 2; /* New slot and trailing NULL */ 708 709 if (execsw) 710 for (es = execsw; *es; es++) 711 count++; 712 newexecsw = malloc(count * sizeof(*es), M_TEMP, M_WAITOK); 713 if (newexecsw == NULL) 714 return ENOMEM; 715 xs = newexecsw; 716 if (execsw) 717 for (es = execsw; *es; es++) 718 *xs++ = *es; 719 *xs++ = execsw_arg; 720 *xs = NULL; 721 if (execsw) 722 free(execsw, M_TEMP); 723 execsw = newexecsw; 724 return 0; 725} 726 727int 728exec_unregister(execsw_arg) 729 const struct execsw *execsw_arg; 730{ 731 const struct execsw **es, **xs, **newexecsw; 732 int count = 1; 733 734 if (execsw == NULL) 735 panic("unregister with no handlers left?\n"); 736 737 for (es = execsw; *es; es++) { 738 if (*es == execsw_arg) 739 break; 740 } 741 if (*es == NULL) 742 return ENOENT; 743 for (es = execsw; *es; es++) 744 if (*es != execsw_arg) 745 count++; 746 newexecsw = malloc(count * sizeof(*es), M_TEMP, M_WAITOK); 747 if (newexecsw == NULL) 748 return ENOMEM; 749 xs = newexecsw; 750 for (es = execsw; *es; es++) 751 if (*es != execsw_arg) 752 *xs++ = *es; 753 *xs = NULL; 754 if (execsw) 755 free(execsw, M_TEMP); 756 execsw = newexecsw; 757 return 0; 758} |
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