From 8a570a6407f41e258b29db53fa6a5d4f485e8723 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Sun, 25 Sep 2011 21:27:35 +0000
Subject: *** empty log message ***

---
 Changes |  2 ++
 ev.c    | 20 ++++++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/Changes b/Changes
index e2df754..baf554b 100644
--- a/Changes
+++ b/Changes
@@ -4,6 +4,8 @@ TODO: ev_loop_wakeup
 
 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.
diff --git a/ev.c b/ev.c
index c27aca1..2b4a1ae 100644
--- a/ev.c
+++ b/ev.c
@@ -543,7 +543,7 @@ struct signalfd_siginfo
 #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 */
@@ -565,7 +565,7 @@ struct signalfd_siginfo
 #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   ); }) */
@@ -845,6 +845,22 @@ ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper ()
   #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>
-- 
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