| vfs_aio.c (90576) | vfs_aio.c (91140) |
|---|---|
| 1/* 2 * Copyright (c) 1997 John S. Dyson. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. John S. Dyson's name may not be used to endorse or promote products 10 * derived from this software without specific prior written permission. 11 * 12 * DISCLAIMER: This code isn't warranted to do anything useful. Anything 13 * bad that happens because of using this software isn't the responsibility 14 * of the author. This software is distributed AS-IS. 15 * | 1/* 2 * Copyright (c) 1997 John S. Dyson. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. John S. Dyson's name may not be used to endorse or promote products 10 * derived from this software without specific prior written permission. 11 * 12 * DISCLAIMER: This code isn't warranted to do anything useful. Anything 13 * bad that happens because of using this software isn't the responsibility 14 * of the author. This software is distributed AS-IS. 15 * |
| 16 * $FreeBSD: head/sys/kern/vfs_aio.c 90576 2002-02-12 17:40:41Z alc $ | 16 * $FreeBSD: head/sys/kern/vfs_aio.c 91140 2002-02-23 11:12:57Z tanimura $ |
| 17 */ 18 19/* 20 * This file contains support for the POSIX 1003.1B AIO/LIO facility. 21 */ 22 23#include <sys/param.h> 24#include <sys/systm.h> | 17 */ 18 19/* 20 * This file contains support for the POSIX 1003.1B AIO/LIO facility. 21 */ 22 23#include <sys/param.h> 24#include <sys/systm.h> |
| 25#include <sys/malloc.h> |
|
| 25#include <sys/bio.h> 26#include <sys/buf.h> 27#include <sys/sysproto.h> 28#include <sys/filedesc.h> 29#include <sys/kernel.h> 30#include <sys/kthread.h> 31#include <sys/fcntl.h> 32#include <sys/file.h> --- 703 unchanged lines hidden (view full) --- 736 struct aio_liojob *lj; 737 struct aiocb *cb; 738 struct aiocblist *aiocbe; 739 struct aiothreadlist *aiop; 740 struct kaioinfo *ki; 741 struct proc *curcp, *mycp, *userp; 742 struct vmspace *myvm, *tmpvm; 743 struct thread *td = curthread; | 26#include <sys/bio.h> 27#include <sys/buf.h> 28#include <sys/sysproto.h> 29#include <sys/filedesc.h> 30#include <sys/kernel.h> 31#include <sys/kthread.h> 32#include <sys/fcntl.h> 33#include <sys/file.h> --- 703 unchanged lines hidden (view full) --- 737 struct aio_liojob *lj; 738 struct aiocb *cb; 739 struct aiocblist *aiocbe; 740 struct aiothreadlist *aiop; 741 struct kaioinfo *ki; 742 struct proc *curcp, *mycp, *userp; 743 struct vmspace *myvm, *tmpvm; 744 struct thread *td = curthread; |
| 745 struct pgrp *newpgrp; 746 struct session *newsess; |
|
| 744 745 mtx_lock(&Giant); 746 /* 747 * Local copies of curproc (cp) and vmspace (myvm) 748 */ 749 mycp = td->td_proc; 750 myvm = mycp->p_vmspace; 751 --- 24 unchanged lines hidden (view full) --- 776 /* 777 * Get rid of our current filedescriptors. AIOD's don't need any 778 * filedescriptors, except as temporarily inherited from the client. 779 */ 780 fdfree(td); 781 mycp->p_fd = NULL; 782 783 /* The daemon resides in its own pgrp. */ | 747 748 mtx_lock(&Giant); 749 /* 750 * Local copies of curproc (cp) and vmspace (myvm) 751 */ 752 mycp = td->td_proc; 753 myvm = mycp->p_vmspace; 754 --- 24 unchanged lines hidden (view full) --- 779 /* 780 * Get rid of our current filedescriptors. AIOD's don't need any 781 * filedescriptors, except as temporarily inherited from the client. 782 */ 783 fdfree(td); 784 mycp->p_fd = NULL; 785 786 /* The daemon resides in its own pgrp. */ |
| 784 enterpgrp(mycp, mycp->p_pid, 1); | 787 MALLOC(newpgrp, struct pgrp *, sizeof(struct pgrp), M_PGRP, M_WAITOK | M_ZERO); 788 MALLOC(newsess, struct session *, sizeof(struct session), M_SESSION, M_WAITOK | M_ZERO); |
| 785 | 789 |
| 790 PGRPSESS_XLOCK(); 791 enterpgrp(mycp, mycp->p_pid, newpgrp, newsess); 792 PGRPSESS_XUNLOCK(); 793 |
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| 786 /* Mark special process type. */ 787 mycp->p_flag |= P_SYSTEM; 788 789 /* 790 * Wakeup parent process. (Parent sleeps to keep from blasting away 791 * and creating too many daemons.) 792 */ 793 wakeup(mycp); --- 1526 unchanged lines hidden --- | 794 /* Mark special process type. */ 795 mycp->p_flag |= P_SYSTEM; 796 797 /* 798 * Wakeup parent process. (Parent sleeps to keep from blasting away 799 * and creating too many daemons.) 800 */ 801 wakeup(mycp); --- 1526 unchanged lines hidden --- |