diff options
Diffstat (limited to 'sys/kern/kern_event.c')
| -rw-r--r-- | sys/kern/kern_event.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c index 1a854e3eb1d..e7aaffebca1 100644 --- a/sys/kern/kern_event.c +++ b/sys/kern/kern_event.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_event.c,v 1.8 2001/05/14 12:38:46 art Exp $ */ +/* $OpenBSD: kern_event.c,v 1.9 2001/07/17 01:51:37 provos Exp $ */ /*- * Copyright (c) 1999,2000,2001 Jonathan Lemon <jlemon@FreeBSD.org> @@ -41,6 +41,7 @@ #include <sys/queue.h> #include <sys/event.h> #include <sys/eventvar.h> +#include <sys/pool.h> #include <sys/protosw.h> #include <sys/socket.h> #include <sys/socketvar.h> @@ -79,6 +80,7 @@ void knote_attach(struct knote *kn, struct filedesc *fdp); void knote_drop(struct knote *kn, struct proc *p); void knote_enqueue(struct knote *kn); void knote_dequeue(struct knote *kn); +void knote_init(void); struct knote *knote_alloc(void); void knote_free(struct knote *kn); @@ -96,6 +98,8 @@ struct filterops proc_filtops = struct filterops file_filtops = { 1, filt_fileattach, NULL, NULL }; +struct pool knote_pool; + #define KNOTE_ACTIVATE(kn) do { \ kn->kn_status |= KN_ACTIVE; \ if ((kn->kn_status & (KN_QUEUED | KN_DISABLED)) == 0) \ @@ -883,14 +887,28 @@ knote_dequeue(struct knote *kn) splx(s); } +void +knote_init(void) +{ + pool_init(&knote_pool, sizeof(struct knote), 0, 0, 0, "knotepl", + 0, pool_page_alloc_nointr, pool_page_free_nointr, M_KNOTE); +} + struct knote * knote_alloc(void) { - return (malloc(sizeof (struct knote), M_KNOTE, M_NOWAIT)); + static int knote_pool_initialised; + + if (!knote_pool_initialised) { + knote_init(); + knote_pool_initialised++; + } + + return (pool_get(&knote_pool, PR_WAITOK)); } void knote_free(struct knote *kn) { - free(kn, M_KNOTE); + pool_put(&knote_pool, kn); } |