X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fmacros.h;h=cce09a6cbb66b0474d25dabcf34a43e3728f71ef;hp=e52d7f7712764751d81aea4c69ce39856c7d9994;hb=159b042f34366d0fde5dcd73b4231c558922a664;hpb=ac41e67e39946acd97752ce52b964976890c5e87 diff --git a/src/common/macros.h b/src/common/macros.h index e52d7f771..cce09a6cb 100644 --- a/src/common/macros.h +++ b/src/common/macros.h @@ -77,6 +77,8 @@ void *zmalloc(size_t len) #define LTTNG_PACKED __attribute__((__packed__)) #endif +#define is_signed(type) (((type) (-1)) < 0) + /* * Align value to the next multiple of align. Returns val if it already is a * multiple of align. Align must be a power of two.