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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 ff07220e1bcc..601389731719 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 |