diff options
Diffstat (limited to 'share/man/man9/pool.9')
| -rw-r--r-- | share/man/man9/pool.9 | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/share/man/man9/pool.9 b/share/man/man9/pool.9 index 617008d597b..6125dfa2155 100644 --- a/share/man/man9/pool.9 +++ b/share/man/man9/pool.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: pool.9,v 1.47 2014/07/02 00:40:30 dlg Exp $ +.\" $OpenBSD: pool.9,v 1.48 2014/07/02 00:49:50 dlg Exp $ .\" $NetBSD: pool.9,v 1.18 2001/06/21 11:59:01 wiz Exp $ .\" .\" Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. @@ -217,11 +217,6 @@ The handle identifying the pool resource instance. The number of items to add to the pool. .El .Pp -This function may return -.Dv ENOMEM -in case the requested number of items could not be allocated. -Otherwise, -the return value is 0. .Ss SETTING POOL RESOURCE WATERMARKS A pool will attempt to increase its resource usage to keep up with the demand for its items. @@ -339,6 +334,28 @@ If the pool has been initialised with an interrupt safe pool allocator they can also be called from interrupt context at or below the interrupt level specified by a call to .Fn pool_setipl . +.Sh RETURN VALUES +.Fn pool_get +will return a pointer to an item allocated from the pool. +If +.Dv PR_NOWAIT +or +.Dv PR_LIMITFAIL +was passed as flags to the pool it may return +.Dv NULL +if there are no resources available or if the pool hard limit has been reached +respectively. +.Pp +.Fn pool_prime +will return +.Dv ENOMEM +if the requested number of items could not be allocated. +Otherwise, the return value is 0. +.Pp +.Fn pool_sethardlimit +will return +.Dv EINVAL if the current size of the pool exceeds the requested hard limit. +Otherwise, the return value is 0. .Sh CODE REFERENCES The pool manager is implemented in the file .Pa sys/kern/subr_pool.c . |