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Use __predict_false() in the KASSERT() macro. We expect this test

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to fail most of the time.
This commit is contained in:
Maxime Henrion 2003-09-30 20:54:12 +00:00
parent 6e478cc056
commit d68d22ba52
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=120610
1 changed files with 5 additions and 1 deletions
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6
sys/sys/systm.h
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@ -45,6 +45,7 @@
#include <machine/atomic.h>
#include <machine/cpufunc.h>
#include <sys/callout.h>
#include <sys/cdefs.h>
#include <sys/queue.h>
#include <sys/stdint.h> /* for people using printf mainly */
@ -77,7 +78,10 @@ extern int bootverbose; /* nonzero to print verbose messages */
extern int maxusers; /* system tune hint */
#ifdef INVARIANTS /* The option is always available */
#define KASSERT(exp,msg) do { if (!(exp)) panic msg; } while (0)
#define KASSERT(exp,msg) do { \
if (__predict_false(!(exp))) \
panic msg; \
} while (0)
#else
#define KASSERT(exp,msg)
#endif