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/*
*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*/
#ifndef __GRPC_SUPPORT_CANCELLABLE_PLATFORM_H__
#define __GRPC_SUPPORT_CANCELLABLE_PLATFORM_H__
#include <grpc/support/atm.h>
#include <grpc/support/sync.h>
struct gpr_cancellable_list_ {
/* a doubly-linked list on cancellable's waiters queue */
struct gpr_cancellable_list_ *next;
struct gpr_cancellable_list_ *prev;
/* The following two fields are arguments to gpr_cv_cancellable_wait() */
gpr_mu *mu;
gpr_cv *cv;
};
/* Internal definition of gpr_cancellable. */
typedef struct {
gpr_mu mu; /* protects waiters and modifications to cancelled */
gpr_atm cancelled;
struct gpr_cancellable_list_ waiters;
} gpr_cancellable;
#endif /* __GRPC_SUPPORT_CANCELLABLE_PLATFORM_H__ */