TODO: EV_NO_THREADS/NO_SMP and/or EV_USE_PTHREADS or so. also document.
TODO: #define EV_API_DECL static? ev_default_loop_ptr?
+TODO: EV_STANDALONE == NO_HASSEL (do not use clock_gettime in ev_standalone)
+TODO: memory fences for clang
4.10
- fix a race where the workaround against the epoll fork bugs
caused signals to not be handled anymore.
#endif
#ifndef ECB_MEMORY_FENCE
- #if ECB_GCC_VERSION(2,5)
+ #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__)
#if __i386__
#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
#endif
#ifndef ECB_MEMORY_FENCE
- #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)
+ #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)
#define ECB_MEMORY_FENCE __sync_synchronize ()
/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
#endif
+#if __cplusplus
+ template<typename T>
+ static inline T ecb_div_rd (T val, T div)
+ {
+ return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
+ }
+ template<typename T>
+ static inline T ecb_div_ru (T val, T div)
+ {
+ return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
+ }
+#else
+ #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
+ #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
+#endif
+
#if ecb_cplusplus_does_not_suck
/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
template<typename T, int N>