| malloc.9 (43d1df332e81eb5067d541349ede3b84ea2ab5df) | malloc.9 (5d70612b3f814f934494f69876a4b34e13c436f9) |
|---|---|
| 1.\" $NetBSD: malloc.9,v 1.3 1996/11/11 00:05:11 lukem Exp $ 2.\" 3.\" Copyright (c) 1996 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Paul Kranenburg. 8.\" --- 102 unchanged lines hidden (view full) --- 111M_ASLEEP is not useful alone and should always be or'd with M_NOWAIT to allow 112malloc to call 113.Fn asleep 114and return 115.Dv NULL 116immediately. It is expected that the caller will at some point call 117.Fn await 118and then retry the allocation. Depending on the routine in question, the | 1.\" $NetBSD: malloc.9,v 1.3 1996/11/11 00:05:11 lukem Exp $ 2.\" 3.\" Copyright (c) 1996 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Paul Kranenburg. 8.\" --- 102 unchanged lines hidden (view full) --- 111M_ASLEEP is not useful alone and should always be or'd with M_NOWAIT to allow 112malloc to call 113.Fn asleep 114and return 115.Dv NULL 116immediately. It is expected that the caller will at some point call 117.Fn await 118and then retry the allocation. Depending on the routine in question, the |
| 119caller may decide to propogate the temporary failure up the call chain | 119caller may decide to propagate the temporary failure up the call chain |
| 120and actually have some other higher level routine block on the async wait 121that 122.Fn malloc 123queued. 124.It Dv M_WAITOK 125indicates that it is Ok to wait for resources. It is unconveniently 126defined as 0 so care should be taken never to compare against this value 127directly or try to AND it as a flag. The default operation is to block --- 99 unchanged lines hidden --- | 120and actually have some other higher level routine block on the async wait 121that 122.Fn malloc 123queued. 124.It Dv M_WAITOK 125indicates that it is Ok to wait for resources. It is unconveniently 126defined as 0 so care should be taken never to compare against this value 127directly or try to AND it as a flag. The default operation is to block --- 99 unchanged lines hidden --- |