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introduce pa_assert_fp() for fast path assertions

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This commit is contained in:
Lennart Poettering 2009-03-20 13:29:42 +01:00
parent fe3709c5c7
commit bd3154a861
2 changed files with 24 additions and 4 deletions
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20
src/pulsecore/macro.h
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@ -164,8 +164,8 @@ typedef int pa_bool_t;
#define pa_return_null_if_fail(expr) pa_return_val_if_fail(expr, NULL)
/* An assert which guarantees side effects of x, i.e. is never
* optimized away */
/* pa_assert_se() is an assert which guarantees side effects of x,
* i.e. is never optimized away, regardless of NDEBUG or FASTPATH. */
#define pa_assert_se(expr) \
do { \
if (PA_UNLIKELY(!(expr))) { \
@ -174,11 +174,23 @@ typedef int pa_bool_t;
} \
} while (FALSE)
/* An assert that may be optimized away by defining NDEBUG */
/* Does exactly nothing */
#define pa_nop() do {} while (FALSE)
/* pa_assert() is an assert that may be optimized away by defining
* NDEBUG. pa_assert_fp() is an assert that may be optimized away by
* defining FASTPATH. It is supposed to be used in inner loops. It's
* there for extra paranoia checking and should probably be removed in
* production builds. */
#ifdef NDEBUG
#define pa_assert(expr) do {} while (FALSE)
#define pa_assert(expr) pa_nop()
#define pa_assert_fp(expr) pa_nop()
#elif defined (FASTPATH)
#define pa_assert(expr) pa_assert_se(expr)
#define pa_assert_fp(expr) pa_nop()
#else
#define pa_assert(expr) pa_assert_se(expr)
#define pa_assert_fp(expr) pa_assert_se(expr)
#endif
#define pa_assert_not_reached() \