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If any of various debug kernel options are enabled, set a LOCK_DEBUG

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cpp macro that can be used to differentiate code generation for locking
functions.
This commit is contained in:
jhb 2001-09-17 19:30:41 +00:00
parent 6ddf73fcd4
commit 1f9362e16d
1 changed files with 13 additions and 0 deletions
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13
sys/sys/lock.h
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@ -123,6 +123,19 @@ struct lock_list_entry {
u_int ll_count;
};
/*
* If any of WITNESS, INVARIANTS, or KTR_LOCK KTR tracing has been enabled,
* then turn on LOCK_DEBUG. When this option is on, extra debugging
* facilities such as tracking the file and line number of lock operations
* are enabled. Also, mutex locking operations are not inlined to avoid
* bloat from all the extra debugging code. We also have to turn on all the
* calling conventions for this debugging code in modules so that modules can
* work with both debug and non-debug kernels.
*/
#if defined(KLD_MODULE) || defined(WITNESS) || defined(INVARIANTS) || defined(INVARIANT_SUPPORT) || (defined(KTR) && (KTR_COMPILE & KTR_LOCK))
#define LOCK_DEBUG
#endif
/*
* Macros for KTR_LOCK tracing.
*