fix win32

guide/basic.cc

@@ -5,6 +5,8 @@
  *
  * \author Tianqi Chen
  */
+#define _CRT_SECURE_NO_WARNINGS
+#define _CRT_SECURE_NO_DEPRECATE
 #include <vector>
 #include <rabit.h>
 using namespace rabit;

src/allreduce_base.cc

@@ -513,7 +513,7 @@ AllreduceBase::TryAllreduceTree(void *sendrecvbuf_,
         if (len != -1) {
           size_up_out += static_cast<size_t>(len);
         } else {
-          ReturnType ret = Errno2Return(errno);
+          ReturnType ret = Errno2Return();
           if (ret != kSuccess) {
             return ReportError(&links[parent_index], ret);
           }
@@ -533,7 +533,7 @@ AllreduceBase::TryAllreduceTree(void *sendrecvbuf_,
           utils::Assert(size_down_in <= size_up_out,
                         "Allreduce: boundary error");
         } else {
-          ReturnType ret = Errno2Return(errno);
+          ReturnType ret = Errno2Return();
           if (ret != kSuccess) {
             return ReportError(&links[parent_index], ret);
           }
@@ -709,7 +709,7 @@ AllreduceBase::TryAllgatherRing(void *sendrecvbuf_, size_t total_size,
       if (len != -1) {
         read_ptr += static_cast<size_t>(len);
       } else {
-        ReturnType ret = Errno2Return(errno);
+        ReturnType ret = Errno2Return();
         if (ret != kSuccess) return ReportError(&next, ret);
       }
     }
@@ -723,7 +723,7 @@ AllreduceBase::TryAllgatherRing(void *sendrecvbuf_, size_t total_size,
       if (len != -1) {
         write_ptr += static_cast<size_t>(len);
       } else {
-        ReturnType ret = Errno2Return(errno);
+        ReturnType ret = Errno2Return();
         if (ret != kSuccess) return ReportError(&prev, ret);
       }
     }
@@ -826,7 +826,7 @@ AllreduceBase::TryReduceScatterRing(void *sendrecvbuf_,
       if (len != -1) {
         write_ptr += static_cast<size_t>(len);
       } else {
-        ReturnType ret = Errno2Return(errno);
+        ReturnType ret = Errno2Return();
         if (ret != kSuccess) return ReportError(&prev, ret);
       }
     }

src/allreduce_base.h

@@ -234,8 +234,13 @@ class AllreduceBase : public IEngine {
     }
   };
   /*! \brief translate errno to return type */
-  inline static ReturnType Errno2Return(int errsv) {
+  inline static ReturnType Errno2Return() {
-    if (errsv == EAGAIN || errsv == EWOULDBLOCK) return kSuccess;
+	int errsv = utils::Socket::GetLastError();
+    if (errsv == EAGAIN || errsv == EWOULDBLOCK || errsv == 0) return kSuccess;
+#ifdef _WIN32
+	if (errsv == WSAEWOULDBLOCK) return kSuccess;
+	if (errsv == WSAECONNRESET) return kConnReset;
+#endif
     if (errsv == ECONNRESET) return kConnReset;
     return kSockError;
   }
@@ -299,7 +304,7 @@ class AllreduceBase : public IEngine {
       if (len == 0) {
         sock.Close(); return kRecvZeroLen;
       }
-      if (len == -1) return Errno2Return(errno);
+      if (len == -1) return Errno2Return();
       size_read += static_cast<size_t>(len);
       return kSuccess;
     }
@@ -318,7 +323,7 @@ class AllreduceBase : public IEngine {
       if (len == 0) {
         sock.Close(); return kRecvZeroLen;
       }
-      if (len == -1) return Errno2Return(errno);
+      if (len == -1) return Errno2Return();
       size_read += static_cast<size_t>(len);
       return kSuccess;
     }
@@ -331,7 +336,7 @@ class AllreduceBase : public IEngine {
     inline ReturnType WriteFromArray(const void *sendbuf_, size_t max_size) {
       const char *p = static_cast<const char*>(sendbuf_);
       ssize_t len = sock.Send(p + size_write, max_size - size_write);
-      if (len == -1) return Errno2Return(errno);
+      if (len == -1) return Errno2Return();
       size_write += static_cast<size_t>(len);
       return kSuccess;
     }

src/allreduce_robust.cc

@@ -691,7 +691,7 @@ AllreduceRobust::TryRecoverData(RecoverType role,
           if (len != -1) {
             links[i].size_write += len;
           } else {
-            ReturnType ret = Errno2Return(errno);
+            ReturnType ret = Errno2Return();
             if (ret != kSuccess) return ReportError(&links[i], ret);
           }
         }
@@ -1161,7 +1161,7 @@ AllreduceRobust::RingPassing(void *sendrecvbuf_,
       if (len != -1) {
         read_ptr += static_cast<size_t>(len);
       } else {
-        ReturnType ret = Errno2Return(errno);
+        ReturnType ret = Errno2Return();
         if (ret != kSuccess) return ReportError(&prev, ret);
       }
     }
@@ -1171,7 +1171,7 @@ AllreduceRobust::RingPassing(void *sendrecvbuf_,
       if (len != -1) {
         write_ptr += static_cast<size_t>(len);
       } else {
-        ReturnType ret = Errno2Return(errno);
+        ReturnType ret = Errno2Return();
         if (ret != kSuccess) return ReportError(&prev, ret);
       }
     }

src/socket.h

@@ -94,6 +94,13 @@ class Socket {
   inline operator SOCKET() const {
     return sockfd;
   }
+  inline static int GetLastError(void) {
+#ifdef _WIN32
+    return WSAGetLastError();
+#else
+    return errno;
+#endif
+  }
   /*!
    * \brief start up the socket module
    *   call this before using the sockets

windows/basic/basic.vcxproj

@@ -100,6 +100,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>..\..\include</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>