*** empty log message ***

Changes

@@ -12,6 +12,8 @@ Revision history for libev, a high-performance and full-featured event loop.
         - c++: remove deprecated dynamic throw() specifications.
         - c++: improve the (unsupported) bad_loop exception class.
         - backport perl ev_periodic example to C, untested.
+        - update libecb, biggets change is to include a memory fence
+          in ECB_MEMORY_FENCE_RELEASE on x86/amd64.
 
 4.24 Wed Dec 28 05:19:55 CET 2016
 	- bump version to 4.24, as the release tarball inexplicably

configure.ac

@@ -1,11 +1,11 @@
-AC_INIT
+dnl also update ev.h!
+AC_INIT([libev], [4.25])
 
 orig_CFLAGS="$CFLAGS"
 
 AC_CONFIG_SRCDIR([ev_epoll.c])
+AM_INIT_AUTOMAKE
 
-dnl also update ev.h!
-AM_INIT_AUTOMAKE(libev,4.24)
 AC_CONFIG_HEADERS([config.h])
 AM_MAINTAINER_MODE
 

ev.c

@@ -611,6 +611,8 @@ struct signalfd_siginfo
 
 #define ECB_CPP   (__cplusplus+0)
 #define ECB_CPP11 (__cplusplus >= 201103L)
+#define ECB_CPP14 (__cplusplus >= 201402L)
+#define ECB_CPP17 (__cplusplus >= 201703L)
 
 #if ECB_CPP
   #define ECB_C            0
@@ -622,6 +624,7 @@ struct signalfd_siginfo
 
 #define ECB_C99   (ECB_STDC_VERSION >= 199901L)
 #define ECB_C11   (ECB_STDC_VERSION >= 201112L)
+#define ECB_C17   (ECB_STDC_VERSION >= 201710L)
 
 #if ECB_CPP
   #define ECB_EXTERN_C extern "C"
@@ -660,11 +663,11 @@ struct signalfd_siginfo
     #if __i386 || __i386__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
       #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ (""                        : : : "memory")
-      #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
+      #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ (""                        : : : "memory")
     #elif ECB_GCC_AMD64
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("mfence"   : : : "memory")
       #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ (""         : : : "memory")
-      #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
+      #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ (""         : : : "memory")
     #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("sync"     : : : "memory")
     #elif defined __ARM_ARCH_2__ \