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Add a SYSUNINIT() to SX_SYSINIT() to call sx_destroy() to destroy the sx

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lock when a module is unloaded similar to the recent change made to
MTX_SYSINIT().

Suggested by:	pjd
MFC after:	3 days
This commit is contained in:
John Baldwin 2005-09-02 20:41:03 +00:00
parent acc0265cc2
commit b3c04741dd
1 changed files with 5 additions and 3 deletions
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8
sys/sys/sx.h
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@ -68,11 +68,13 @@ struct sx_args {
#define SX_SYSINIT(name, sxa, desc) \
static struct sx_args name##_args = { \
sxa, \
desc \
(sxa), \
(desc) \
}; \
SYSINIT(name##_sx_sysinit, SI_SUB_LOCK, SI_ORDER_MIDDLE, \
sx_sysinit, &name##_args)
sx_sysinit, &name##_args); \
SYSUNINIT(name##_sx_sysuninit, SI_SUB_LOCK, SI_ORDER_MIDDLE, \
sx_destroy, (sxa))
#define sx_slock(sx) _sx_slock((sx), LOCK_FILE, LOCK_LINE)
#define sx_xlock(sx) _sx_xlock((sx), LOCK_FILE, LOCK_LINE)