Functions marked with OVS_CONSTRUCTOR are called unconditionally before main.
Tested with GCC. Untested with MSVC. Signed-off-by: Helmut Schaa <[email protected]> --- lib/compiler.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/lib/compiler.h b/lib/compiler.h index 0dbacbf..daca32d 100644 --- a/lib/compiler.h +++ b/lib/compiler.h @@ -179,4 +179,17 @@ #define OVS_PACKED(DECL) __pragma(pack(push, 1)) DECL __pragma(pack(pop)) #endif +#ifdef _MSC_VER +#define CCALL __cdecl +#pragma section(".CRT$XCU",read) +#define OVS_CONSTRUCTOR(f) \ + static void __cdecl f(void); \ + __declspec(allocate(".CRT$XCU")) void (__cdecl*f##_)(void) = f; \ + static void __cdecl f(void) +#else +#define OVS_CONSTRUCTOR(f) \ + static void f(void) __attribute__((constructor)); \ + static void f(void) +#endif + #endif /* compiler.h */ -- 1.8.1.4 _______________________________________________ dev mailing list [email protected] http://openvswitch.org/mailman/listinfo/dev
