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Code Issues Releases Activity

More cleanup for aio code:

Browse Source 
1) unregsiter kqueue filter for EVFILT_LIO.
2) free uma_zones.
3) call setsid directly to enter another session rather than
   implementing by itself.

Submitted by: jhb
This commit is contained in:
David Xu 2006-01-24 02:46:15 +00:00
parent 14665331ab
commit bd793be3c6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=154744
1 changed files with 9 additions and 11 deletions
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20
sys/kern/vfs_aio.c
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@ -418,12 +418,20 @@ aio_unload(void)
return (EOPNOTSUPP);
error = kqueue_del_filteropts(EVFILT_AIO);
if (error)
return error;
error = kqueue_del_filteropts(EVFILT_LIO);
if (error)
return error;
async_io_version = 0;
aio_swake = NULL;
taskqueue_free(taskqueue_aiod_bio);
delete_unrhdr(aiod_unr);
uma_zdestroy(kaio_zone);
uma_zdestroy(aiop_zone);
uma_zdestroy(aiocb_zone);
uma_zdestroy(aiol_zone);
uma_zdestroy(aiolio_zone);
EVENTHANDLER_DEREGISTER(process_exit, exit_tag);
EVENTHANDLER_DEREGISTER(process_exec, exec_tag);
mtx_destroy(&aio_job_mtx);
@ -833,8 +841,6 @@ aio_daemon(void *_id)
struct proc *curcp, *mycp, *userp;
struct vmspace *myvm, *tmpvm;
struct thread *td = curthread;
struct pgrp *newpgrp;
struct session *newsess;
int id = (intptr_t)_id;
/*
@ -866,15 +872,7 @@ aio_daemon(void *_id)
*/
fdfree(td);
/* The daemon resides in its own pgrp. */
MALLOC(newpgrp, struct pgrp *, sizeof(struct pgrp), M_PGRP,
M_WAITOK | M_ZERO);
MALLOC(newsess, struct session *, sizeof(struct session), M_SESSION,
M_WAITOK | M_ZERO);
sx_xlock(&proctree_lock);
enterpgrp(mycp, mycp->p_pid, newpgrp, newsess);
sx_xunlock(&proctree_lock);
setsid(td, NULL);
/*
* Wakeup parent process. (Parent sleeps to keep from blasting away