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jkoshy 2003-12-27 14:01:08 +00:00
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commit 7fe60e3764
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29
share/man/man9/sx.9
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@ -126,21 +126,6 @@ The
function tests specified conditions and panics if they are not met and the
kernel is compiled with
.Dv INVARIANTS .
.Pp
The
.Fn SX_SYSINIT
macro is used to generate a call to the
.Fn sx_sysinit
routine at system startup in order to initialize a given
.Fa sx
lock.
The parameters are the same as
.Fn sx_init
but with an additional argument,
.Fa name ,
that is used in generating unique variable names for the related
structures associated with the lock and the sysinit routine.
.Pp
The following assertions are supported:
.Bl -tag -width ".Dv SX_XLOCKED"
.It Dv SX_LOCKED
@ -159,6 +144,20 @@ lock pointed to
by the first argument.
.El
.Pp
The
.Fn SX_SYSINIT
macro is used to generate a call to the
.Fn sx_sysinit
routine at system startup in order to initialize a given
.Fa sx
lock.
The parameters are the same as
.Fn sx_init
but with an additional argument,
.Fa name ,
that is used in generating unique variable names for the related
structures associated with the lock and the sysinit routine.
.Pp
A thread may not own a shared lock and an exclusive lock simultaneously;
attempting to do so will result in deadlock.
.Sh CONTEXT