diff options
author | rwatson <rwatson@FreeBSD.org> | 2003-01-18 03:25:40 +0000 |
---|---|---|
committer | rwatson <rwatson@FreeBSD.org> | 2003-01-18 03:25:40 +0000 |
commit | 3fdcc957db60880f922ff538b2e4687af7d46509 (patch) | |
tree | f88f778ac5b82b3f5f01d6d352a372cfd8035fc9 /share/man/man9/malloc.9 | |
parent | 1f8dd35ac4ae56da5878261f226a2969c523ee58 (diff) | |
download | FreeBSD-src-3fdcc957db60880f922ff538b2e4687af7d46509.zip FreeBSD-src-3fdcc957db60880f922ff538b2e4687af7d46509.tar.gz |
Caution programmers not to confuse M_DONTWAIT with M_NOWAIT. They
are not the same.
Suggested by: Hiten Pandya <hiten@unixdaemons.com>
Diffstat (limited to 'share/man/man9/malloc.9')
-rw-r--r-- | share/man/man9/malloc.9 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/share/man/man9/malloc.9 b/share/man/man9/malloc.9 index ff07220..6013897 100644 --- a/share/man/man9/malloc.9 +++ b/share/man/man9/malloc.9 @@ -159,6 +159,17 @@ is defined to be 0, meaning that blocking operation is the default. Also note that .Dv M_NOWAIT is required when running in an interrupt context. +.Pp +Programmers should be careful not to confuse +.Dv M_NOWAIT , +the +.Fn malloc +flag, with +.Dv M_DONTWAIT , +an +.Xr mbuf 9 +allocation flag, which is not a valid argument to +.Fn malloc . .It Dv M_WAITOK Indicates that it is Ok to wait for resources. It is unconveniently defined as 0 so care should be taken never to compare against this value |