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Document the mpsafe argument to callout_init().

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PR:		24529
Submitted by:	harti brandt <brandt@fokus.gmd.de>
Reviewed by:	jlemon
This commit is contained in:
Ben Smithurst 2001-01-31 12:17:45 +00:00
parent 3c36aab606
commit d13241e146
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=71883
1 changed files with 9 additions and 1 deletions
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10
share/man/man9/timeout.9
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@ -65,7 +65,7 @@ struct callout_handle handle = CALLOUT_HANDLE_INITIALIZER(&handle)
.Ft void
.Fn untimeout "timeout_t *func" "void *arg" "struct callout_handle handle"
.Ft void
.Fn callout_init "struct callout *c"
.Fn callout_init "struct callout *c" "int mpsafe"
.Ft void
.Fn callout_stop "struct callout *c"
.Ft void
@ -169,6 +169,14 @@ initializes a callout so it can be passed to
or
.Fn callout_reset
without any side effects.
If the
.Fa mpsafe
argument is zero,
the callout structure is not considered to be
.Dq multi-processor safe ;
that is,
the Giant lock will be acquired before calling the callout function,
and released when the callout function returns.
.Pp
The function
.Fn callout_stop