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/*
*
* Copyright 2015, 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
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, 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 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __GRPC_INTERNAL_IOMGR_ALARM_INTERNAL_H_
#define __GRPC_INTERNAL_IOMGR_ALARM_INTERNAL_H_
#include <grpc/support/sync.h>
#include <grpc/support/time.h>
/* iomgr internal api for dealing with alarms */
/* Check for alarms to be run, and run them.
Return non zero if alarm callbacks were executed.
Drops drop_mu if it is non-null before executing callbacks.
If next is non-null, TRY to update *next with the next running alarm
IF that alarm occurs before *next current value.
*next is never guaranteed to be updated on any given execution; however,
with high probability at least one thread in the system will see an update
at any time slice. */
int grpc_alarm_check(gpr_mu *drop_mu, gpr_timespec now, gpr_timespec *next);
void grpc_alarm_list_init(gpr_timespec now);
void grpc_alarm_list_shutdown(void);
gpr_timespec grpc_alarm_list_next_timeout(void);
/* the following must be implemented by each iomgr implementation */
void grpc_kick_poller(void);
#endif /* __GRPC_INTERNAL_IOMGR_ALARM_INTERNAL_H_ */
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