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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef __GRPC_INTERNAL_IOMGR_WAKEUP_FD_H_ |
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#define __GRPC_INTERNAL_IOMGR_WAKEUP_FD_H_ |
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typedef struct grpc_wakeup_fd_info grpc_wakeup_fd_info; |
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typedef struct grpc_wakeup_fd_vtable { |
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void (*create)(grpc_wakeup_fd_info *fd_info); |
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void (*consume)(grpc_wakeup_fd_info *fd_info); |
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void (*wakeup)(grpc_wakeup_fd_info *fd_info); |
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void (*destroy)(grpc_wakeup_fd_info *fd_info); |
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/* Must be called before calling any other functions */ |
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int (*check_availability)(void); |
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} grpc_wakeup_fd_vtable; |
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/* Private structures; don't access their fields directly outside of wakeup fd
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* code. */ |
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struct grpc_wakeup_fd_info { |
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int read_fd; |
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int write_fd; |
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}; |
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/* Defined in some specialized implementation's .c file, or by
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* wakeup_fd_nospecial.c if no such implementation exists. */ |
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extern const grpc_wakeup_fd_vtable specialized_wakeup_fd_vtable; |
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#endif /* __GRPC_INTERNAL_IOMGR_WAKEUP_FD_POSIX_H_ */ |
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