| linux_ipc.c (165404) | linux_ipc.c (165407) |
|---|---|
| 1/*- 2 * Copyright (c) 1994-1995 S�ren Schmidt 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 --- 13 unchanged lines hidden (view full) --- 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1994-1995 S�ren Schmidt 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 --- 13 unchanged lines hidden (view full) --- 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> |
| 30__FBSDID("$FreeBSD: head/sys/compat/linux/linux_ipc.c 165404 2006-12-20 19:30:52Z jkim $"); | 30__FBSDID("$FreeBSD: head/sys/compat/linux/linux_ipc.c 165407 2006-12-20 20:08:45Z jkim $"); |
| 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/syscallsubr.h> 35#include <sys/sysproto.h> 36#include <sys/proc.h> 37#include <sys/limits.h> 38#include <sys/msg.h> --- 39 unchanged lines hidden (view full) --- 78 l_int used_ids; 79 l_ulong shm_tot; /* total allocated shm */ 80 l_ulong shm_rss; /* total resident shm */ 81 l_ulong shm_swp; /* total swapped shm */ 82 l_ulong swap_attempts; 83 l_ulong swap_successes; 84}; 85 | 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/syscallsubr.h> 35#include <sys/sysproto.h> 36#include <sys/proc.h> 37#include <sys/limits.h> 38#include <sys/msg.h> --- 39 unchanged lines hidden (view full) --- 78 l_int used_ids; 79 l_ulong shm_tot; /* total allocated shm */ 80 l_ulong shm_rss; /* total resident shm */ 81 l_ulong shm_swp; /* total swapped shm */ 82 l_ulong swap_attempts; 83 l_ulong swap_successes; 84}; 85 |
| 86struct l_msginfo { 87 l_int msgpool; 88 l_int msgmap; 89 l_int msgmax; 90 l_int msgmnb; 91 l_int msgmni; 92 l_int msgssz; 93 l_int msgtql; 94 l_ushort msgseg; 95}; 96 |
|
| 86static void 87bsd_to_linux_shminfo( struct shminfo *bpp, struct l_shminfo *lpp) 88{ 89 lpp->shmmax = bpp->shmmax; 90 lpp->shmmin = bpp->shmmin; 91 lpp->shmmni = bpp->shmmni; 92 lpp->shmseg = bpp->shmseg; 93 lpp->shmall = bpp->shmall; --- 481 unchanged lines hidden (view full) --- 575int 576linux_msgsnd(struct thread *td, struct linux_msgsnd_args *args) 577{ 578 const void *msgp; 579 long mtype; 580 l_long lmtype; 581 int error; 582 | 97static void 98bsd_to_linux_shminfo( struct shminfo *bpp, struct l_shminfo *lpp) 99{ 100 lpp->shmmax = bpp->shmmax; 101 lpp->shmmin = bpp->shmmin; 102 lpp->shmmni = bpp->shmmni; 103 lpp->shmseg = bpp->shmseg; 104 lpp->shmall = bpp->shmall; --- 481 unchanged lines hidden (view full) --- 586int 587linux_msgsnd(struct thread *td, struct linux_msgsnd_args *args) 588{ 589 const void *msgp; 590 long mtype; 591 l_long lmtype; 592 int error; 593 |
| 583 if ((l_long)args->msgsz < 0) | 594 if ((l_long)args->msgsz < 0 || args->msgsz > (l_long)msginfo.msgmax) |
| 584 return (EINVAL); 585 msgp = PTRIN(args->msgp); 586 if ((error = copyin(msgp, &lmtype, sizeof(lmtype))) != 0) 587 return (error); 588 mtype = (long)lmtype; 589 return (kern_msgsnd(td, args->msqid, 590 (const char *)msgp + sizeof(lmtype), 591 args->msgsz, args->msgflg, mtype)); 592} 593 594int 595linux_msgrcv(struct thread *td, struct linux_msgrcv_args *args) 596{ 597 void *msgp; 598 long mtype; 599 l_long lmtype; 600 int error; 601 | 595 return (EINVAL); 596 msgp = PTRIN(args->msgp); 597 if ((error = copyin(msgp, &lmtype, sizeof(lmtype))) != 0) 598 return (error); 599 mtype = (long)lmtype; 600 return (kern_msgsnd(td, args->msqid, 601 (const char *)msgp + sizeof(lmtype), 602 args->msgsz, args->msgflg, mtype)); 603} 604 605int 606linux_msgrcv(struct thread *td, struct linux_msgrcv_args *args) 607{ 608 void *msgp; 609 long mtype; 610 l_long lmtype; 611 int error; 612 |
| 602 if ((l_long)args->msgsz < 0) | 613 if ((l_long)args->msgsz < 0 || args->msgsz > (l_long)msginfo.msgmax) |
| 603 return (EINVAL); 604 msgp = PTRIN(args->msgp); 605 if ((error = kern_msgrcv(td, args->msqid, 606 (char *)msgp + sizeof(lmtype), args->msgsz, 607 args->msgtyp, args->msgflg, &mtype)) != 0) 608 return (error); 609 lmtype = (l_long)mtype; 610 return (copyout(&lmtype, msgp, sizeof(lmtype))); --- 15 unchanged lines hidden (view full) --- 626int 627linux_msgctl(struct thread *td, struct linux_msgctl_args *args) 628{ 629 int error, bsd_cmd; 630 struct l_msqid_ds linux_msqid; 631 struct msqid_ds bsd_msqid; 632 633 bsd_cmd = args->cmd & ~LINUX_IPC_64; | 614 return (EINVAL); 615 msgp = PTRIN(args->msgp); 616 if ((error = kern_msgrcv(td, args->msqid, 617 (char *)msgp + sizeof(lmtype), args->msgsz, 618 args->msgtyp, args->msgflg, &mtype)) != 0) 619 return (error); 620 lmtype = (l_long)mtype; 621 return (copyout(&lmtype, msgp, sizeof(lmtype))); --- 15 unchanged lines hidden (view full) --- 637int 638linux_msgctl(struct thread *td, struct linux_msgctl_args *args) 639{ 640 int error, bsd_cmd; 641 struct l_msqid_ds linux_msqid; 642 struct msqid_ds bsd_msqid; 643 644 bsd_cmd = args->cmd & ~LINUX_IPC_64; |
| 634 if (bsd_cmd == LINUX_IPC_SET) { | 645 switch (bsd_cmd) { 646 case LINUX_IPC_INFO: 647 case LINUX_MSG_INFO: { 648 struct l_msginfo linux_msginfo; 649 650 /* 651 * XXX MSG_INFO uses the same data structure but returns different 652 * dynamic counters in msgpool, msgmap, and msgtql fields. 653 */ 654 linux_msginfo.msgpool = (long)msginfo.msgmni * 655 (long)msginfo.msgmnb / 1024L; /* XXX MSG_INFO. */ 656 linux_msginfo.msgmap = msginfo.msgmnb; /* XXX MSG_INFO. */ 657 linux_msginfo.msgmax = msginfo.msgmax; 658 linux_msginfo.msgmnb = msginfo.msgmnb; 659 linux_msginfo.msgmni = msginfo.msgmni; 660 linux_msginfo.msgssz = msginfo.msgssz; 661 linux_msginfo.msgtql = msginfo.msgtql; /* XXX MSG_INFO. */ 662 linux_msginfo.msgseg = msginfo.msgseg; 663 error = copyout(&linux_msginfo, PTRIN(args->buf), 664 sizeof(linux_msginfo)); 665 if (error == 0) 666 td->td_retval[0] = msginfo.msgmni; /* XXX */ 667 668 return (error); 669 } 670 671 case LINUX_IPC_SET: |
| 635 error = linux_msqid_pullup(args->cmd & LINUX_IPC_64, 636 &linux_msqid, PTRIN(args->buf)); 637 if (error) 638 return (error); 639 linux_to_bsd_msqid_ds(&linux_msqid, &bsd_msqid); | 672 error = linux_msqid_pullup(args->cmd & LINUX_IPC_64, 673 &linux_msqid, PTRIN(args->buf)); 674 if (error) 675 return (error); 676 linux_to_bsd_msqid_ds(&linux_msqid, &bsd_msqid); |
| 677 break; |
|
| 640 } 641 642 error = kern_msgctl(td, args->msqid, bsd_cmd, &bsd_msqid); 643 if (error != 0) 644 if (bsd_cmd != LINUX_IPC_RMID || error != EINVAL) 645 return (error); 646 647 if (bsd_cmd == LINUX_IPC_STAT) { --- 165 unchanged lines hidden --- | 678 } 679 680 error = kern_msgctl(td, args->msqid, bsd_cmd, &bsd_msqid); 681 if (error != 0) 682 if (bsd_cmd != LINUX_IPC_RMID || error != EINVAL) 683 return (error); 684 685 if (bsd_cmd == LINUX_IPC_STAT) { --- 165 unchanged lines hidden --- |