diff options
Diffstat (limited to 'src/pulsecore/macro.h')
| -rw-r--r-- | src/pulsecore/macro.h | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h index 20015bf..a5ca696 100644 --- a/src/pulsecore/macro.h +++ b/src/pulsecore/macro.h @@ -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))) { \ @@ -174,18 +174,44 @@ 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 +#ifdef NDEBUG +#define pa_assert_not_reached() pa_nop() +#else #define pa_assert_not_reached() \ do { \ pa_log_error("Code should not be reached at %s:%u, function %s(). Aborting.", __FILE__, __LINE__, PA_PRETTY_FUNCTION); \ abort(); \ } while (FALSE) +#endif + +/* A compile time assertion */ +#define pa_assert_cc(expr) \ + do { \ + switch (0) { \ + case 0: \ + case !!(expr): \ + ; \ + } \ + } while (FALSE) #define PA_PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p))) #define PA_UINT_TO_PTR(u) ((void*) ((uintptr_t) (u))) |