X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fmacros.h;h=97faf03280925fc3503a9ddb6d348093c07c1501;hb=ca806b0b247f89c62ac628a7779ae84049a8c2d7;hp=53f5f96c752061448a6f5d1fc629166db2f345a3;hpb=0c6349626e82044473ea0b3f1ff5456d9a0cd53f;p=lttng-tools.git diff --git a/src/common/macros.h b/src/common/macros.h index 53f5f96c7..97faf0328 100644 --- a/src/common/macros.h +++ b/src/common/macros.h @@ -93,20 +93,9 @@ void *zmalloc(size_t len) */ #define ALIGN_TO(value, align) ((value + (align - 1)) & ~(align - 1)) -/* - * LTTNG_HIDDEN: set the hidden attribute for internal functions - * On Windows, symbols are local unless explicitly exported, - * see https://gcc.gnu.org/wiki/Visibility - */ -#if defined(_WIN32) || defined(__CYGWIN__) -#define LTTNG_HIDDEN -#else -#define LTTNG_HIDDEN __attribute__((visibility("hidden"))) -#endif - #define member_sizeof(type, field) sizeof(((type *) 0)->field) -#define ASSERT_LOCKED(lock) assert(pthread_mutex_trylock(&lock)) +#define ASSERT_LOCKED(lock) LTTNG_ASSERT(pthread_mutex_trylock(&lock)) /* * Get an aligned pointer to a value. This is meant @@ -133,4 +122,15 @@ int lttng_strncpy(char *dst, const char *src, size_t dst_len) return 0; } +#ifdef NDEBUG +/* +* Force usage of the assertion condition to prevent unused variable warnings +* when `assert()` are disabled by the `NDEBUG` definition. +*/ +# define LTTNG_ASSERT(_cond) ((void) sizeof((void) (_cond), 0)) +#else +# include +# define LTTNG_ASSERT(_cond) assert(_cond) +#endif + #endif /* _MACROS_H */