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| -rw-r--r-- | include/sal/types.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/sal/types.h b/include/sal/types.h index 145d47e20d82..c7a61bd06106 100644 --- a/include/sal/types.h +++ b/include/sal/types.h @@ -512,6 +512,34 @@ template< typename T1, typename T2 > inline T1 static_int_cast(T2 n) { # define SAL_WNODEPRECATED_DECLARATIONS_POP #endif +/** + Use as follows: + + SAL_WNOUNREACHABLE_CODE_PUSH + + function definition + + SAL_WNOUNREACHABLE_CODE_POP + + Useful in cases where the compiler is "too clever" like when doing + link-time code generation, and noticing that a called function + always throws, and fixing the problem cleanly so that it produceds + no warnings in normal non-LTO compilations either is not easy. + +*/ + +#ifdef _MSC_VER +#define SAL_WNOUNREACHABLE_CODE_PUSH \ + __pragma(warning(push)) \ + __pragma(warning(disable:4702)) +#define SAL_WNOUNREACHABLE_CODE_POP \ + __pragma(warning(pop)) +#else +/* Add definitions for GCC and Clang if needed */ +#define SAL_WNOUNREACHABLE_CODE_PUSH +#define SAL_WNOUNREACHABLE_CODE_POP +#endif + /** Annotate unused but required C++ function parameters. An unused parameter is required if the function needs to adhere to a given |