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- Export the alq daemon thread pointer.

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- Don't log ktr events from the alq daemon.
This commit is contained in:
Jeff Roberson 2002-09-26 07:38:56 +00:00
parent 9c0d6e4c6d
commit a414302f90
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103995
3 changed files with 12 additions and 5 deletions
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11
sys/kern/kern_alq.c
View File

@ -74,8 +74,9 @@ static MALLOC_DEFINE(M_ALD, "ALD", "ALD");
static struct mtx ald_mtx;
static LIST_HEAD(, alq) ald_queues;
static LIST_HEAD(, alq) ald_active;
static struct proc *ald_thread;
static int ald_shutingdown = 0;
struct thread *ald_thread;
static struct proc *ald_proc;
#define ALD_LOCK() mtx_lock(&ald_mtx)
#define ALD_UNLOCK() mtx_unlock(&ald_mtx)
@ -170,6 +171,8 @@ ald_daemon(void)
mtx_lock(&Giant);
ald_thread = FIRST_THREAD_IN_PROC(ald_proc);
EVENTHANDLER_REGISTER(shutdown_pre_sync, ald_shutdown, NULL,
SHUTDOWN_PRI_FIRST);
@ -224,7 +227,7 @@ alq_shutdown(struct alq *alq)
}
ALQ_UNLOCK(alq);
vn_close(alq->aq_vp, FREAD|FWRITE, alq->aq_cred,
vn_close(alq->aq_vp, FWRITE, alq->aq_cred,
curthread);
crfree(alq->aq_cred);
}
@ -310,7 +313,7 @@ alq_doio(struct alq *alq)
static struct kproc_desc ald_kp = {
"ALQ Daemon",
ald_daemon,
&ald_thread
&ald_proc
};
SYSINIT(aldthread, SI_SUB_KTHREAD_IDLE, SI_ORDER_ANY, kproc_start, &ald_kp)
@ -339,7 +342,7 @@ alq_open(struct alq **alqp, const char *file, int size, int count)
td = curthread;
NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_SYSSPACE, file, td);
flags = FREAD | FWRITE | O_NOFOLLOW | O_CREAT;
flags = FWRITE | O_NOFOLLOW | O_CREAT;
error = vn_open(&nd, &flags, 0);
if (error)

3
sys/kern/kern_ktr.c
View File

@ -195,7 +195,8 @@ ktr_tracepoint(u_int mask, const char *file, int line, const char *format,
#ifdef KTR_ALQ
if (ktr_alq_enabled &&
td->td_critnest == 0 &&
(td->td_kse->ke_flags & KEF_IDLEKSE) == 0) {
(td->td_kse->ke_flags & KEF_IDLEKSE) == 0 &&
td != ald_thread) {
if (ktr_alq_max && ktr_alq_cnt > ktr_alq_max)
goto done;
if ((ale = alq_get(ktr_alq, ALQ_NOWAIT)) == NULL) {

3
sys/sys/alq.h
View File

@ -34,6 +34,9 @@
*/
struct alq;
/* The thread for the logging daemon */
extern struct thread *ald_thread;
/*
* Async. Logging Entry
*/