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src/solaris/native/sun/nio/ch/ServerSocketChannelImpl.c

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rev 13048 : 8203369: Check for both EAGAIN and EWOULDBLOCK error codes
Reviewed-by: alanb
   1 /*
   2  * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  94 
  95     /*
  96      * accept connection but ignore ECONNABORTED indicating that
  97      * a connection was eagerly accepted but was reset before
  98      * accept() was called.
  99      */
 100     for (;;) {
 101         socklen_t sa_len = alloc_len;
 102         newfd = accept(ssfd, sa, &sa_len);
 103         if (newfd >= 0) {
 104             break;
 105         }
 106         if (errno != ECONNABORTED) {
 107             break;
 108         }
 109         /* ECONNABORTED => restart accept */
 110     }
 111 
 112     if (newfd < 0) {
 113         free((void *)sa);
 114         if (errno == EAGAIN)
 115             return IOS_UNAVAILABLE;
 116         if (errno == EINTR)
 117             return IOS_INTERRUPTED;
 118         JNU_ThrowIOExceptionWithLastError(env, "Accept failed");
 119         return IOS_THROWN;
 120     }
 121 
 122     (*env)->SetIntField(env, newfdo, fd_fdID, newfd);
 123     remote_ia = NET_SockaddrToInetAddress(env, sa, (int *)&remote_port);
 124     free((void *)sa);
 125     CHECK_NULL_RETURN(remote_ia, IOS_THROWN);
 126     isa = (*env)->NewObject(env, isa_class, isa_ctorID, remote_ia, remote_port);
 127     CHECK_NULL_RETURN(isa, IOS_THROWN);
 128     (*env)->SetObjectArrayElement(env, isaa, 0, isa);
 129     return 1;
 130 }
   1 /*
   2  * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  94 
  95     /*
  96      * accept connection but ignore ECONNABORTED indicating that
  97      * a connection was eagerly accepted but was reset before
  98      * accept() was called.
  99      */
 100     for (;;) {
 101         socklen_t sa_len = alloc_len;
 102         newfd = accept(ssfd, sa, &sa_len);
 103         if (newfd >= 0) {
 104             break;
 105         }
 106         if (errno != ECONNABORTED) {
 107             break;
 108         }
 109         /* ECONNABORTED => restart accept */
 110     }
 111 
 112     if (newfd < 0) {
 113         free((void *)sa);
 114         if (errno == EAGAIN || errno == EWOULDBLOCK)
 115             return IOS_UNAVAILABLE;
 116         if (errno == EINTR)
 117             return IOS_INTERRUPTED;
 118         JNU_ThrowIOExceptionWithLastError(env, "Accept failed");
 119         return IOS_THROWN;
 120     }
 121 
 122     (*env)->SetIntField(env, newfdo, fd_fdID, newfd);
 123     remote_ia = NET_SockaddrToInetAddress(env, sa, (int *)&remote_port);
 124     free((void *)sa);
 125     CHECK_NULL_RETURN(remote_ia, IOS_THROWN);
 126     isa = (*env)->NewObject(env, isa_class, isa_ctorID, remote_ia, remote_port);
 127     CHECK_NULL_RETURN(isa, IOS_THROWN);
 128     (*env)->SetObjectArrayElement(env, isaa, 0, isa);
 129     return 1;
 130 }
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