[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.464 by root, Fri Mar 21 16:41:04 2014 UTC vs.
Revision 1.482 by root, Sat Jul 28 04:15:15 2018 UTC

 #  include EV_CONFIG_H
 # else
 #  include "config.h"
 # endif
-#if HAVE_FLOOR
+# if HAVE_FLOOR
-# ifndef EV_USE_FLOOR
+#  ifndef EV_USE_FLOOR
-#  define EV_USE_FLOOR 1
+#   define EV_USE_FLOOR 1
+#  endif
 # endif
-#endif
 # if HAVE_CLOCK_SYSCALL
 #  ifndef EV_USE_CLOCK_SYSCALL
 #   define EV_USE_CLOCK_SYSCALL 1
 #   ifndef EV_USE_REALTIME
 # else
 #  define EV_USE_CLOCK_SYSCALL 0
 # endif
 #endif
+#if !(_POSIX_TIMERS > 0)
+# ifndef EV_USE_MONOTONIC
+#  define EV_USE_MONOTONIC 0
+# endif
+# ifndef EV_USE_REALTIME
+#  define EV_USE_REALTIME 0
+# endif
+#endif
 #ifndef EV_USE_MONOTONIC
 # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
 #  define EV_USE_MONOTONIC EV_FEATURE_OS
 # else
 #  define EV_USE_MONOTONIC 0
 #ifndef EV_HEAP_CACHE_AT
 # define EV_HEAP_CACHE_AT EV_FEATURE_DATA
 #endif
-#ifdef ANDROID
+#ifdef __ANDROID__
 /* supposedly, android doesn't typedef fd_mask */
 # undef EV_USE_SELECT
 # define EV_USE_SELECT 0
 /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
 # undef EV_USE_CLOCK_SYSCALL
 /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
 /* ECB.H BEGIN */
 /*
  * libecb - http://software.schmorp.de/pkg/libecb
  *
- * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>
+ * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
  * Copyright (©) 2011 Emanuele Giaquinta
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modifica-
  * tion, are permitted provided that the following conditions are met:
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
  * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License ("GPL") version 2 or any later version,
+ * in which case the provisions of the GPL are applicable instead of
+ * the above. If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use your
+ * version of this file under the BSD license, indicate your decision
+ * by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL. If you do not delete the
+ * provisions above, a recipient may use your version of this file under
+ * either the BSD or the GPL.
  */
 #ifndef ECB_H
 #define ECB_H
 /* 16 bits major, 16 bits minor */
-#define ECB_VERSION 0x00010003
+#define ECB_VERSION 0x00010005
 #ifdef _WIN32
   typedef   signed char   int8_t;
   typedef unsigned char  uint8_t;
   typedef   signed short  int16_t;
     typedef uint32_t uintptr_t;
     typedef  int32_t  intptr_t;
   #endif
 #else
   #include <inttypes.h>
-  #if UINTMAX_MAX > 0xffffffffU
+  #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
     #define ECB_PTRSIZE 8
   #else
     #define ECB_PTRSIZE 4
   #endif
 #endif
+#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
+#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
 /* work around x32 idiocy by defining proper macros */
-#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
+#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
   #if _ILP32
     #define ECB_AMD64_X32 1
   #else
     #define ECB_AMD64 1
   #endif
  * causing enormous grief in return for some better fake benchmark numbers.
  * or so.
  * we try to detect these and simply assume they are not gcc - if they have
  * an issue with that they should have done it right in the first place.
  */
-#ifndef ECB_GCC_VERSION
-  #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
+#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
-    #define ECB_GCC_VERSION(major,minor) 0
+  #define ECB_GCC_VERSION(major,minor) 0
-  #else
+#else
-    #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
+  #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
-  #endif
+#endif
+#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
+#if __clang__ && defined __has_builtin
+  #define ECB_CLANG_BUILTIN(x) __has_builtin (x)
+#else
+  #define ECB_CLANG_BUILTIN(x) 0
+#endif
+#if __clang__ && defined __has_extension
+  #define ECB_CLANG_EXTENSION(x) __has_extension (x)
+#else
+  #define ECB_CLANG_EXTENSION(x) 0
 #endif
 #define ECB_CPP   (__cplusplus+0)
 #define ECB_CPP11 (__cplusplus >= 201103L)
   #define ECB_NO_SMP 1
 #endif
 #if ECB_NO_SMP
   #define ECB_MEMORY_FENCE do { } while (0)
+#endif
+/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
+#if __xlC__ && ECB_CPP
+  #include <builtins.h>
+#endif
+#if 1400 <= _MSC_VER
+  #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
 #endif
 #ifndef ECB_MEMORY_FENCE
   #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
     #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__ ("")
-    #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
+    #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__ ("")
     #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("sync"     : : : "memory")
+    #elif defined __ARM_ARCH_2__ \
+      || defined __ARM_ARCH_3__  || defined __ARM_ARCH_3M__  \
+      || defined __ARM_ARCH_4__  || defined __ARM_ARCH_4T__  \
+      || defined __ARM_ARCH_5__  || defined __ARM_ARCH_5E__  \
+      || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
+      || defined __ARM_ARCH_5TEJ__
+      /* should not need any, unless running old code on newer cpu - arm doesn't support that */
     #elif defined __ARM_ARCH_6__  || defined __ARM_ARCH_6J__  \
-       || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
+       || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
+       || defined __ARM_ARCH_6T2__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
     #elif defined __ARM_ARCH_7__  || defined __ARM_ARCH_7A__  \
-       || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
+       || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("dmb"      : : : "memory")
     #elif __aarch64__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("dmb ish"  : : : "memory")
-    #elif (__sparc || __sparc__) && !__sparcv8
+    #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
       #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad"                            : : : "memory")
       #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore             | #StoreStore")
     #elif defined __s390__ || defined __s390x__
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("bcr 15,0" : : : "memory")
     /* see comment below (stdatomic.h) about the C11 memory model. */
     #define ECB_MEMORY_FENCE         __atomic_thread_fence (__ATOMIC_SEQ_CST)
     #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
     #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
-  /* The __has_feature syntax from clang is so misdesigned that we cannot use it
+  #elif ECB_CLANG_EXTENSION(c_atomic)
-   * without risking compile time errors with other compilers. We *could*
-   * define our own ecb_clang_has_feature, but I just can't be bothered to work
-   * around this shit time and again.
-   * #elif defined __clang && __has_feature (cxx_atomic)
-   *   // see comment below (stdatomic.h) about the C11 memory model.
+    /* see comment below (stdatomic.h) about the C11 memory model. */
-   *   #define ECB_MEMORY_FENCE         __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
+    #define ECB_MEMORY_FENCE         __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
-   *   #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
+    #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
-   *   #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
+    #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
-   */
   #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
     #define ECB_MEMORY_FENCE         __sync_synchronize ()
   #elif _MSC_VER >= 1500 /* VC++ 2008 */
     /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
   #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
 #endif
 /*****************************************************************************/
-#if __cplusplus
+#if ECB_CPP
   #define ecb_inline static inline
 #elif ECB_GCC_VERSION(2,5)
   #define ecb_inline static __inline__
 #elif ECB_C99
   #define ecb_inline static inline
 #define ECB_CONCAT_(a, b) a ## b
 #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
 #define ECB_STRINGIFY_(a) # a
 #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
+#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
 #define ecb_function_ ecb_inline
-#if ECB_GCC_VERSION(3,1)
+#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
-  #define ecb_attribute(attrlist)        __attribute__(attrlist)
+  #define ecb_attribute(attrlist)        __attribute__ (attrlist)
+#else
+  #define ecb_attribute(attrlist)
+#endif
+#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
   #define ecb_is_constant(expr)          __builtin_constant_p (expr)
-  #define ecb_expect(expr,value)         __builtin_expect ((expr),(value))
-  #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
 #else
-  #define ecb_attribute(attrlist)
   /* possible C11 impl for integral types
   typedef struct ecb_is_constant_struct ecb_is_constant_struct;
   #define ecb_is_constant(expr)          _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
   #define ecb_is_constant(expr)          0
+#endif
+#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
+  #define ecb_expect(expr,value)         __builtin_expect ((expr),(value))
+#else
   #define ecb_expect(expr,value)         (expr)
+#endif
+#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
+  #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
+#else
   #define ecb_prefetch(addr,rw,locality)
 #endif
 /* no emulation for ecb_decltype */
-#if ECB_GCC_VERSION(4,5)
+#if ECB_CPP11
+  // older implementations might have problems with decltype(x)::type, work around it
+  template<class T> struct ecb_decltype_t { typedef T type; };
-  #define ecb_decltype(x) __decltype(x)
+  #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
-#elif ECB_GCC_VERSION(3,0)
+#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
-  #define ecb_decltype(x) __typeof(x)
+  #define ecb_decltype(x) __typeof__ (x)
 #endif
+#if _MSC_VER >= 1300
+  #define ecb_deprecated __declspec (deprecated)
+#else
+  #define ecb_deprecated ecb_attribute ((__deprecated__))
+#endif
+#if _MSC_VER >= 1500
+  #define ecb_deprecated_message(msg) __declspec (deprecated (msg))
+#elif ECB_GCC_VERSION(4,5)
+  #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
+#else
+  #define ecb_deprecated_message(msg) ecb_deprecated
+#endif
+#if _MSC_VER >= 1400
+  #define ecb_noinline __declspec (noinline)
+#else
-#define ecb_noinline   ecb_attribute ((__noinline__))
+  #define ecb_noinline ecb_attribute ((__noinline__))
+#endif
 #define ecb_unused     ecb_attribute ((__unused__))
 #define ecb_const      ecb_attribute ((__const__))
 #define ecb_pure       ecb_attribute ((__pure__))
-#if ECB_C11
+#if ECB_C11 || __IBMC_NORETURN
+  /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
   #define ecb_noreturn   _Noreturn
+#elif ECB_CPP11
+  #define ecb_noreturn   [[noreturn]]
+#elif _MSC_VER >= 1200
+  /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
+  #define ecb_noreturn   __declspec (noreturn)
 #else
   #define ecb_noreturn   ecb_attribute ((__noreturn__))
 #endif
 #if ECB_GCC_VERSION(4,3)
 /* for compatibility to the rest of the world */
 #define ecb_likely(expr)   ecb_expect_true  (expr)
 #define ecb_unlikely(expr) ecb_expect_false (expr)
 /* count trailing zero bits and count # of one bits */
-#if ECB_GCC_VERSION(3,4)
+#if ECB_GCC_VERSION(3,4) \
+    || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
+        && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
+        && ECB_CLANG_BUILTIN(__builtin_popcount))
   /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
   #define ecb_ld32(x)      (__builtin_clz      (x) ^ 31)
   #define ecb_ld64(x)      (__builtin_clzll    (x) ^ 63)
   #define ecb_ctz32(x)      __builtin_ctz      (x)
   #define ecb_ctz64(x)      __builtin_ctzll    (x)
   #define ecb_popcount32(x) __builtin_popcount (x)
   /* no popcountll */
 #else
-  ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
+  ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
-  ecb_function_ int
+  ecb_function_ ecb_const int
   ecb_ctz32 (uint32_t x)
   {
+#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
+    unsigned long r;
+    _BitScanForward (&r, x);
+    return (int)r;
+#else
     int r = 0;
     x &= ~x + 1; /* this isolates the lowest bit */
 #if ECB_branchless_on_i386
     if (x & 0xff00ff00) r +=  8;
     if (x & 0xffff0000) r += 16;
 #endif
     return r;
+#endif
   }
-  ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
+  ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
-  ecb_function_ int
+  ecb_function_ ecb_const int
   ecb_ctz64 (uint64_t x)
   {
+#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
+    unsigned long r;
+    _BitScanForward64 (&r, x);
+    return (int)r;
+#else
-    int shift = x & 0xffffffffU ? 0 : 32;
+    int shift = x & 0xffffffff ? 0 : 32;
     return ecb_ctz32 (x >> shift) + shift;
+#endif
   }
-  ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
+  ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
-  ecb_function_ int
+  ecb_function_ ecb_const int
   ecb_popcount32 (uint32_t x)
   {
     x -=  (x >> 1) & 0x55555555;
     x  = ((x >> 2) & 0x33333333) + (x & 0x33333333);
     x  = ((x >> 4) + x) & 0x0f0f0f0f;
     x *= 0x01010101;
     return x >> 24;
   }
-  ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
+  ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
-  ecb_function_ int ecb_ld32 (uint32_t x)
+  ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
   {
+#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
+    unsigned long r;
+    _BitScanReverse (&r, x);
+    return (int)r;
+#else
     int r = 0;
     if (x >> 16) { x >>= 16; r += 16; }
     if (x >>  8) { x >>=  8; r +=  8; }
     if (x >>  4) { x >>=  4; r +=  4; }
     if (x >>  2) { x >>=  2; r +=  2; }
     if (x >>  1) {           r +=  1; }
     return r;
+#endif
   }
-  ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
+  ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
-  ecb_function_ int ecb_ld64 (uint64_t x)
+  ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
   {
+#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
+    unsigned long r;
+    _BitScanReverse64 (&r, x);
+    return (int)r;
+#else
     int r = 0;
     if (x >> 32) { x >>= 32; r += 32; }
     return r + ecb_ld32 (x);
+#endif
   }
 #endif
-ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
+ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
-ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
+ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
-ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
+ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
-ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
+ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
-ecb_function_ uint8_t  ecb_bitrev8  (uint8_t  x) ecb_const;
+ecb_function_ ecb_const uint8_t  ecb_bitrev8  (uint8_t  x);
-ecb_function_ uint8_t  ecb_bitrev8  (uint8_t  x)
+ecb_function_ ecb_const uint8_t  ecb_bitrev8  (uint8_t  x)
 {
   return (  (x * 0x0802U & 0x22110U)
           | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
 }
-ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
+ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
-ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
+ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
 {
   x = ((x >>  1) &     0x5555) | ((x &     0x5555) <<  1);
   x = ((x >>  2) &     0x3333) | ((x &     0x3333) <<  2);
   x = ((x >>  4) &     0x0f0f) | ((x &     0x0f0f) <<  4);
   x = ( x >>  8              ) | ( x               <<  8);
   return x;
 }
-ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
+ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
-ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
+ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
 {
   x = ((x >>  1) & 0x55555555) | ((x & 0x55555555) <<  1);
   x = ((x >>  2) & 0x33333333) | ((x & 0x33333333) <<  2);
   x = ((x >>  4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) <<  4);
   x = ((x >>  8) & 0x00ff00ff) | ((x & 0x00ff00ff) <<  8);
   return x;
 }
 /* popcount64 is only available on 64 bit cpus as gcc builtin */
 /* so for this version we are lazy */
-ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
+ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
-ecb_function_ int
+ecb_function_ ecb_const int
 ecb_popcount64 (uint64_t x)
 {
   return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
 }
-ecb_inline uint8_t  ecb_rotl8  (uint8_t  x, unsigned int count) ecb_const;
+ecb_inline ecb_const uint8_t  ecb_rotl8  (uint8_t  x, unsigned int count);
-ecb_inline uint8_t  ecb_rotr8  (uint8_t  x, unsigned int count) ecb_const;
+ecb_inline ecb_const uint8_t  ecb_rotr8  (uint8_t  x, unsigned int count);
-ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
+ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
-ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
+ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
-ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
+ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
-ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
+ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
-ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
+ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
-ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
+ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
-ecb_inline uint8_t  ecb_rotl8  (uint8_t  x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
+ecb_inline ecb_const uint8_t  ecb_rotl8  (uint8_t  x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
-ecb_inline uint8_t  ecb_rotr8  (uint8_t  x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
+ecb_inline ecb_const uint8_t  ecb_rotr8  (uint8_t  x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
-ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
+ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
-ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
+ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
-ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
+ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
-ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
+ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
-ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
+ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
-ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
+ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
-#if ECB_GCC_VERSION(4,3)
+#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
+  #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
+  #define ecb_bswap16(x)  __builtin_bswap16 (x)
+  #else
   #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
+  #endif
   #define ecb_bswap32(x)  __builtin_bswap32 (x)
   #define ecb_bswap64(x)  __builtin_bswap64 (x)
+#elif _MSC_VER
+  #include <stdlib.h>
+  #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
+  #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong  ((uint32_t)(x)))
+  #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
 #else
-  ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
+  ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
-  ecb_function_ uint16_t
+  ecb_function_ ecb_const uint16_t
   ecb_bswap16 (uint16_t x)
   {
     return ecb_rotl16 (x, 8);
   }
-  ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
+  ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
-  ecb_function_ uint32_t
+  ecb_function_ ecb_const uint32_t
   ecb_bswap32 (uint32_t x)
   {
     return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
   }
-  ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
+  ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
-  ecb_function_ uint64_t
+  ecb_function_ ecb_const uint64_t
   ecb_bswap64 (uint64_t x)
   {
     return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
   }
 #endif
-#if ECB_GCC_VERSION(4,5)
+#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
   #define ecb_unreachable() __builtin_unreachable ()
 #else
   /* this seems to work fine, but gcc always emits a warning for it :/ */
-  ecb_inline void ecb_unreachable (void) ecb_noreturn;
+  ecb_inline ecb_noreturn void ecb_unreachable (void);
-  ecb_inline void ecb_unreachable (void) { }
+  ecb_inline ecb_noreturn void ecb_unreachable (void) { }
 #endif
 /* try to tell the compiler that some condition is definitely true */
 #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
-ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
+ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
-ecb_inline unsigned char
+ecb_inline ecb_const uint32_t
 ecb_byteorder_helper (void)
 {
   /* the union code still generates code under pressure in gcc, */
   /* but less than using pointers, and always seems to */
   /* successfully return a constant. */
   /* the reason why we have this horrible preprocessor mess */
   /* is to avoid it in all cases, at least on common architectures */
   /* or when using a recent enough gcc version (>= 4.6) */
-#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
-  return 0x44;
-#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
+    || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
+  #define ECB_LITTLE_ENDIAN 1
-  return 0x44;
+  return 0x44332211;
-#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
+      || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
+  #define ECB_BIG_ENDIAN 1
-  return 0x11;
+  return 0x11223344;
 #else
   union
   {
+    uint8_t c[4];
-    uint32_t i;
+    uint32_t u;
-    uint8_t c;
-  } u = { 0x11223344 };
+  } u = { 0x11, 0x22, 0x33, 0x44 };
-  return u.c;
+  return u.u;
 #endif
 }
-ecb_inline ecb_bool ecb_big_endian    (void) ecb_const;
+ecb_inline ecb_const ecb_bool ecb_big_endian    (void);
-ecb_inline ecb_bool ecb_big_endian    (void) { return ecb_byteorder_helper () == 0x11; }
+ecb_inline ecb_const ecb_bool ecb_big_endian    (void) { return ecb_byteorder_helper () == 0x11223344; }
-ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
+ecb_inline ecb_const ecb_bool ecb_little_endian (void);
-ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
+ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
 #if ECB_GCC_VERSION(3,0) || ECB_C99
   #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
 #else
   #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
 #endif
-#if __cplusplus
+#if ECB_CPP
   template<typename T>
   static inline T ecb_div_rd (T val, T div)
   {
     return val < 0 ? - ((-val + div - 1) / div) : (val          ) / div;
   }
   }
 #else
   #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
 #endif
+ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
+ecb_function_ ecb_const uint32_t
+ecb_binary16_to_binary32 (uint32_t x)
+{
+  unsigned int s = (x & 0x8000) << (31 - 15);
+  int          e = (x >> 10) & 0x001f;
+  unsigned int m =  x        & 0x03ff;
+  if (ecb_expect_false (e == 31))
+    /* infinity or NaN */
+    e = 255 - (127 - 15);
+  else if (ecb_expect_false (!e))
+    {
+      if (ecb_expect_true (!m))
+        /* zero, handled by code below by forcing e to 0 */
+        e = 0 - (127 - 15);
+      else
+        {
+          /* subnormal, renormalise */
+          unsigned int s = 10 - ecb_ld32 (m);
+          m = (m << s) & 0x3ff; /* mask implicit bit */
+          e -= s - 1;
+        }
+    }
+  /* e and m now are normalised, or zero, (or inf or nan) */
+  e += 127 - 15;
+  return s | (e << 23) | (m << (23 - 10));
+}
+ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
+ecb_function_ ecb_const uint16_t
+ecb_binary32_to_binary16 (uint32_t x)
+{
+  unsigned int s =  (x >> 16) & 0x00008000; /* sign bit, the easy part */
+  unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
+  unsigned int m =   x        & 0x007fffff;
+  x &= 0x7fffffff;
+  /* if it's within range of binary16 normals, use fast path */
+  if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
+    {
+      /* mantissa round-to-even */
+      m += 0x00000fff + ((m >> (23 - 10)) & 1);
+      /* handle overflow */
+      if (ecb_expect_false (m >= 0x00800000))
+        {
+          m >>= 1;
+          e +=  1;
+        }
+      return s | (e << 10) | (m >> (23 - 10));
+    }
+  /* handle large numbers and infinity */
+  if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
+    return s | 0x7c00;
+  /* handle zero, subnormals and small numbers */
+  if (ecb_expect_true (x < 0x38800000))
+    {
+      /* zero */
+      if (ecb_expect_true (!x))
+        return s;
+      /* handle subnormals */
+      /* too small, will be zero */
+      if (e < (14 - 24)) /* might not be sharp, but is good enough */
+        return s;
+      m |= 0x00800000; /* make implicit bit explicit */
+      /* very tricky - we need to round to the nearest e (+10) bit value */
+      {
+        unsigned int bits = 14 - e;
+        unsigned int half = (1 << (bits - 1)) - 1;
+        unsigned int even = (m >> bits) & 1;
+        /* if this overflows, we will end up with a normalised number */
+        m = (m + half + even) >> bits;
+      }
+      return s | m;
+    }
+  /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
+  m >>= 13;
+  return s | 0x7c00 | m | !m;
+}
 /*******************************************************************************/
 /* floating point stuff, can be disabled by defining ECB_NO_LIBM */
 /* basically, everything uses "ieee pure-endian" floating point numbers */
 /* the only noteworthy exception is ancient armle, which uses order 43218765 */
 #if 0 \
     || __i386 || __i386__ \
-    || __amd64 || __amd64__ || __x86_64 || __x86_64__ \
+    || ECB_GCC_AMD64 \
     || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
-    || defined __arm__ && defined __ARM_EABI__ \
     || defined __s390__ || defined __s390x__ \
     || defined __mips__ \
     || defined __alpha__ \
     || defined __hppa__ \
     || defined __ia64__ \
     || defined __m68k__ \
     || defined __m88k__ \
     || defined __sh__ \
-    || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \
+    || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
-    || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__))
+    || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
+    || defined __aarch64__
   #define ECB_STDFP 1
   #include <string.h> /* for memcpy */
 #else
   #define ECB_STDFP 0
 #endif
     #define ECB_NAN NAN
   #else
     #define ECB_NAN ECB_INFINITY
   #endif
-  /* converts an ieee half/binary16 to a float */
+  #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
-  ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
+    #define ecb_ldexpf(x,e) ldexpf ((x), (e))
-  ecb_function_ float
+    #define ecb_frexpf(x,e) frexpf ((x), (e))
-  ecb_binary16_to_float (uint16_t x)
+  #else
-  {
+    #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
-    int e = (x >> 10) & 0x1f;
+    #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
-    int m = x & 0x3ff;
+  #endif
-    float r;
-    if      (!e     ) r = ldexpf (m        ,    -24);
-    else if (e != 31) r = ldexpf (m + 0x400, e - 25);
-    else if (m      ) r = ECB_NAN;
-    else              r = ECB_INFINITY;
-    return x & 0x8000 ? -r : r;
-  }
   /* convert a float to ieee single/binary32 */
-  ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
+  ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
-  ecb_function_ uint32_t
+  ecb_function_ ecb_const uint32_t
   ecb_float_to_binary32 (float x)
   {
     uint32_t r;
     #if ECB_STDFP
       if (x == 0e0f                    ) return 0x00000000U;
       if (x > +3.40282346638528860e+38f) return 0x7f800000U;
       if (x < -3.40282346638528860e+38f) return 0xff800000U;
       if (x != x                       ) return 0x7fbfffffU;
-      m = frexpf (x, &e) * 0x1000000U;
+      m = ecb_frexpf (x, &e) * 0x1000000U;
       r = m & 0x80000000U;
       if (r)
         m = -m;
     return r;
   }
   /* converts an ieee single/binary32 to a float */
-  ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
+  ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
-  ecb_function_ float
+  ecb_function_ ecb_const float
   ecb_binary32_to_float (uint32_t x)
   {
     float r;
     #if ECB_STDFP
         x |= 0x800000U;
       else
         e = 1;
       /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
-      r = ldexpf (x * (0.5f / 0x800000U), e - 126);
+      r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
       r = neg ? -r : r;
     #endif
     return r;
   }
   /* convert a double to ieee double/binary64 */
-  ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
+  ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
-  ecb_function_ uint64_t
+  ecb_function_ ecb_const uint64_t
   ecb_double_to_binary64 (double x)
   {
     uint64_t r;
     #if ECB_STDFP
     return r;
   }
   /* converts an ieee double/binary64 to a double */
-  ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
+  ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
-  ecb_function_ double
+  ecb_function_ ecb_const double
   ecb_binary64_to_double (uint64_t x)
   {
     double r;
     #if ECB_STDFP
       r = neg ? -r : r;
     #endif
     return r;
+  }
+  /* convert a float to ieee half/binary16 */
+  ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
+  ecb_function_ ecb_const uint16_t
+  ecb_float_to_binary16 (float x)
+  {
+    return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
+  }
+  /* convert an ieee half/binary16 to float */
+  ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
+  ecb_function_ ecb_const float
+  ecb_binary16_to_float (uint16_t x)
+  {
+    return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
   }
 #endif
 #endif
 #define inline_size        ecb_inline
 #if EV_FEATURE_CODE
 # define inline_speed      ecb_inline
 #else
-# define inline_speed      static noinline
+# define inline_speed      noinline static
 #endif
 #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
 #if EV_MINPRI == EV_MAXPRI
 #else
 #include <float.h>
 /* a floor() replacement function, should be independent of ev_tstamp type */
+noinline
-static ev_tstamp noinline
+static ev_tstamp
 ev_floor (ev_tstamp v)
 {
   /* the choice of shift factor is not terribly important */
 #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
   const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
 #ifdef __linux
 # include <sys/utsname.h>
 #endif
-static unsigned int noinline ecb_cold
+noinline ecb_cold
+static unsigned int
 ev_linux_version (void)
 {
 #ifdef __linux
   unsigned int v = 0;
   struct utsname buf;
 }
 /*****************************************************************************/
 #if EV_AVOID_STDIO
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 ev_printerr (const char *msg)
 {
   write (STDERR_FILENO, msg, strlen (msg));
 }
 #endif
 static void (*syserr_cb)(const char *msg) EV_THROW;
-void ecb_cold
+ecb_cold
+void
 ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
 {
   syserr_cb = cb;
 }
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 ev_syserr (const char *msg)
 {
   if (!msg)
     msg = "(libev) system error";
   return 0;
 }
 static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
-void ecb_cold
+ecb_cold
+void
 ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
 {
   alloc = cb;
 }
       struct timespec ts;
       EV_TS_SET (ts, delay);
       nanosleep (&ts, 0);
 #elif defined _WIN32
+      /* maybe this should round up, as ms is very low resolution */
+      /* compared to select (µs) or nanosleep (ns) */
       Sleep ((unsigned long)(delay * 1e3));
 #else
       struct timeval tv;
       /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
     }
   return ncur;
 }
-static void * noinline ecb_cold
+noinline ecb_cold
+static void *
 array_realloc (int elem, void *base, int *cur, int cnt)
 {
   *cur = array_nextsize (elem, *cur, cnt);
   return ev_realloc (base, elem * *cur);
 }
   memset ((void *)(base), 0, sizeof (*(base)) * (count))
 #define array_needsize(type,base,cur,cnt,init)			\
   if (expect_false ((cnt) > (cur)))				\
     {								\
-      int ecb_unused ocur_ = (cur);					\
+      ecb_unused int ocur_ = (cur);				\
       (base) = (type *)array_realloc				\
          (sizeof (type), (base), &(cur), (cnt));		\
       init ((base) + (ocur_), (cur) - ocur_);			\
     }
   ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
 /*****************************************************************************/
 /* dummy callback for pending events */
-static void noinline
+noinline
+static void
 pendingcb (EV_P_ ev_prepare *w, int revents)
 {
 }
-void noinline
+noinline
+void
 ev_feed_event (EV_P_ void *w, int revents) EV_THROW
 {
   W w_ = (W)w;
   int pri = ABSPRI (w_);
   fdchangecnt = 0;
 }
 /* something about the given fd changed */
-inline_size void
+inline_size
+void
 fd_change (EV_P_ int fd, int flags)
 {
   unsigned char reify = anfds [fd].reify;
   anfds [fd].reify |= flags;
       fdchanges [fdchangecnt - 1] = fd;
     }
 }
 /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
-inline_speed void ecb_cold
+inline_speed ecb_cold void
 fd_kill (EV_P_ int fd)
 {
   ev_io *w;
   while ((w = (ev_io *)anfds [fd].head))
       ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
     }
 }
 /* check whether the given fd is actually valid, for error recovery */
-inline_size int ecb_cold
+inline_size ecb_cold int
 fd_valid (int fd)
 {
 #ifdef _WIN32
   return EV_FD_TO_WIN32_HANDLE (fd) != -1;
 #else
   return fcntl (fd, F_GETFD) != -1;
 #endif
 }
 /* called on EBADF to verify fds */
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 fd_ebadf (EV_P)
 {
   int fd;
   for (fd = 0; fd < anfdmax; ++fd)
       if (!fd_valid (fd) && errno == EBADF)
         fd_kill (EV_A_ fd);
 }
 /* called on ENOMEM in select/poll to kill some fds and retry */
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 fd_enomem (EV_P)
 {
   int fd;
   for (fd = anfdmax; fd--; )
         break;
       }
 }
 /* usually called after fork if backend needs to re-arm all fds from scratch */
-static void noinline
+noinline
+static void
 fd_rearm_all (EV_P)
 {
   int fd;
   for (fd = 0; fd < anfdmax; ++fd)
 /*****************************************************************************/
 #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 evpipe_init (EV_P)
 {
   if (!ev_is_active (&pipe_w))
     {
       int fds [2];
 #endif
   ev_feed_signal (signum);
 }
-void noinline
+noinline
+void
 ev_feed_signal_event (EV_P_ int signum) EV_THROW
 {
   WL w;
   if (expect_false (signum <= 0 || signum >= EV_NSIG))
 #endif
 #if EV_USE_SELECT
 # include "ev_select.c"
 #endif
-int ecb_cold
+ecb_cold int
 ev_version_major (void) EV_THROW
 {
   return EV_VERSION_MAJOR;
 }
-int ecb_cold
+ecb_cold int
 ev_version_minor (void) EV_THROW
 {
   return EV_VERSION_MINOR;
 }
 /* return true if we are running with elevated privileges and should ignore env variables */
-int inline_size ecb_cold
+inline_size ecb_cold int
 enable_secure (void)
 {
 #ifdef _WIN32
   return 0;
 #else
   return getuid () != geteuid ()
       || getgid () != getegid ();
 #endif
 }
-unsigned int ecb_cold
+ecb_cold
+unsigned int
 ev_supported_backends (void) EV_THROW
 {
   unsigned int flags = 0;
   if (EV_USE_PORT  ) flags |= EVBACKEND_PORT;
   if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
   return flags;
 }
-unsigned int ecb_cold
+ecb_cold
+unsigned int
 ev_recommended_backends (void) EV_THROW
 {
   unsigned int flags = ev_supported_backends ();
 #ifndef __NetBSD__
 #endif
   return flags;
 }
-unsigned int ecb_cold
+ecb_cold
+unsigned int
 ev_embeddable_backends (void) EV_THROW
 {
   int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
   /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
 {
   invoke_cb = invoke_pending_cb;
 }
 void
-ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW
+ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
 {
   release_cb = release;
   acquire_cb = acquire;
 }
 #endif
 /* initialise a loop structure, must be zero-initialised */
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 loop_init (EV_P_ unsigned int flags) EV_THROW
 {
   if (!backend)
     {
       origflags = flags;
 #endif
     }
 }
 /* free up a loop structure */
-void ecb_cold
+ecb_cold
+void
 ev_loop_destroy (EV_P)
 {
   int i;
 #if EV_MULTIPLICITY
 #if EV_USE_INOTIFY
   infy_fork (EV_A);
 #endif
 #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
-  if (ev_is_active (&pipe_w))
+  if (ev_is_active (&pipe_w) && postfork != 2)
     {
       /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
       ev_ref (EV_A);
       ev_io_stop (EV_A_ &pipe_w);
   postfork = 0;
 }
 #if EV_MULTIPLICITY
+ecb_cold
-struct ev_loop * ecb_cold
+struct ev_loop *
 ev_loop_new (unsigned int flags) EV_THROW
 {
   EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
   memset (EV_A, 0, sizeof (struct ev_loop));
 }
 #endif /* multiplicity */
 #if EV_VERIFY
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 verify_watcher (EV_P_ W w)
 {
   assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
   if (w->pending)
     assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
 }
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 verify_heap (EV_P_ ANHE *heap, int N)
 {
   int i;
   for (i = HEAP0; i < N + HEAP0; ++i)
       verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
     }
 }
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 array_verify (EV_P_ W *ws, int cnt)
 {
   while (cnt--)
     {
       assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
 #endif
 }
 #endif
 #if EV_MULTIPLICITY
+ecb_cold
-struct ev_loop * ecb_cold
+struct ev_loop *
 #else
 int
 #endif
 ev_default_loop (unsigned int flags) EV_THROW
 {
     count += pendingcnt [pri];
   return count;
 }
-void noinline
+noinline
+void
 ev_invoke_pending (EV_P)
 {
   pendingpri = NUMPRI;
   while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
     }
 }
 #if EV_PERIODIC_ENABLE
-static void noinline
+noinline
+static void
 periodic_recalc (EV_P_ ev_periodic *w)
 {
   ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
   ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
     }
 }
 /* simply recalculate all periodics */
 /* TODO: maybe ensure that at least one event happens when jumping forward? */
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 periodics_reschedule (EV_P)
 {
   int i;
   /* adjust periodics after time jump */
   reheap (periodics, periodiccnt);
 }
 #endif
 /* adjust all timers by a given offset */
-static void noinline ecb_cold
+noinline ecb_cold
+static void
 timers_reschedule (EV_P_ ev_tstamp adjust)
 {
   int i;
   for (i = 0; i < timercnt; ++i)
   w->active = 0;
 }
 /*****************************************************************************/
-void noinline
+noinline
+void
 ev_io_start (EV_P_ ev_io *w) EV_THROW
 {
   int fd = w->fd;
   if (expect_false (ev_is_active (w)))
   w->events &= ~EV__IOFDSET;
   EV_FREQUENT_CHECK;
 }
-void noinline
+noinline
+void
 ev_io_stop (EV_P_ ev_io *w) EV_THROW
 {
   clear_pending (EV_A_ (W)w);
   if (expect_false (!ev_is_active (w)))
     return;
   fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
   EV_FREQUENT_CHECK;
 }
-void noinline
+noinline
+void
 ev_timer_start (EV_P_ ev_timer *w) EV_THROW
 {
   if (expect_false (ev_is_active (w)))
     return;
   EV_FREQUENT_CHECK;
   /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
 }
-void noinline
+noinline
+void
 ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
 {
   clear_pending (EV_A_ (W)w);
   if (expect_false (!ev_is_active (w)))
     return;
   ev_stop (EV_A_ (W)w);
   EV_FREQUENT_CHECK;
 }
-void noinline
+noinline
+void
 ev_timer_again (EV_P_ ev_timer *w) EV_THROW
 {
   EV_FREQUENT_CHECK;
   clear_pending (EV_A_ (W)w);
 {
   return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
 }
 #if EV_PERIODIC_ENABLE
-void noinline
+noinline
+void
 ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
 {
   if (expect_false (ev_is_active (w)))
     return;
   EV_FREQUENT_CHECK;
   /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
 }
-void noinline
+noinline
+void
 ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
 {
   clear_pending (EV_A_ (W)w);
   if (expect_false (!ev_is_active (w)))
     return;
   ev_stop (EV_A_ (W)w);
   EV_FREQUENT_CHECK;
 }
-void noinline
+noinline
+void
 ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
 {
   /* TODO: use adjustheap and recalculation */
   ev_periodic_stop (EV_A_ w);
   ev_periodic_start (EV_A_ w);
 # define SA_RESTART 0
 #endif
 #if EV_SIGNAL_ENABLE
-void noinline
+noinline
+void
 ev_signal_start (EV_P_ ev_signal *w) EV_THROW
 {
   if (expect_false (ev_is_active (w)))
     return;
       }
   EV_FREQUENT_CHECK;
 }
-void noinline
+noinline
+void
 ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
 {
   clear_pending (EV_A_ (W)w);
   if (expect_false (!ev_is_active (w)))
     return;
 #define DEF_STAT_INTERVAL  5.0074891
 #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
 #define MIN_STAT_INTERVAL  0.1074891
-static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
+noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
 #if EV_USE_INOTIFY
 /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
 # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
-static void noinline
+noinline
+static void
 infy_add (EV_P_ ev_stat *w)
 {
   w->wd = inotify_add_watch (fs_fd, w->path,
                              IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
                              | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
   if (ev_is_active (&w->timer)) ev_ref (EV_A);
   ev_timer_again (EV_A_ &w->timer);
   if (ev_is_active (&w->timer)) ev_unref (EV_A);
 }
-static void noinline
+noinline
+static void
 infy_del (EV_P_ ev_stat *w)
 {
   int slot;
   int wd = w->wd;
   /* remove this watcher, if others are watching it, they will rearm */
   inotify_rm_watch (fs_fd, wd);
 }
-static void noinline
+noinline
+static void
 infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
 {
   if (slot < 0)
     /* overflow, need to check for all hash slots */
     for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
       infy_wd (EV_A_ ev->wd, ev->wd, ev);
       ofs += sizeof (struct inotify_event) + ev->len;
     }
 }
-inline_size void ecb_cold
+inline_size ecb_cold
+void
 ev_check_2625 (EV_P)
 {
   /* kernels < 2.6.25 are borked
    * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
    */
     w->attr.st_nlink = 0;
   else if (!w->attr.st_nlink)
     w->attr.st_nlink = 1;
 }
-static void noinline
+noinline
+static void
 stat_timer_cb (EV_P_ ev_timer *w_, int revents)
 {
   ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
   ev_statdata prev = w->attr;
   EV_FREQUENT_CHECK;
 }
 #endif
 #if EV_EMBED_ENABLE
-void noinline
+noinline
+void
 ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
 {
   ev_run (w->other, EVRUN_NOWAIT);
 }
 }
 /*****************************************************************************/
 #if EV_WALK_ENABLE
-void ecb_cold
+ecb_cold
+void
 ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
 {
   int i, j;
   ev_watcher_list *wl, *wn;

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+Removed lines
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+Added lines
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+Changed lines
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Comparing libev/ev.c (file contents): Revision 1.464 by root, Fri Mar 21 16:41:04 2014 UTC vs. Revision 1.482 by root, Sat Jul 28 04:15:15 2018 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.464 by root, Fri Mar 21 16:41:04 2014 UTC vs.
Revision 1.482 by root, Sat Jul 28 04:15:15 2018 UTC