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/* Copyright (c) 2012, Twitter, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
#ifndef MY_TIMER_H
#define MY_TIMER_H
#include "my_global.h" /* C_MODE_START, C_MODE_END */
#include "my_config.h" /* HAVE_*_TIMERS */
/* POSIX timers API. */
#ifdef HAVE_POSIX_TIMERS
# include <time.h> /* timer_t */
typedef timer_t os_timer_t;
#elif HAVE_KQUEUE_TIMERS
# include <sys/types.h> /* uintptr_t */
typedef uintptr_t os_timer_t;
#endif
/* Whether timer API is implemented. */
#ifdef HAVE_MY_TIMER
C_MODE_START
typedef struct st_my_timer my_timer_t;
/** Non-copyable timer object. */
struct st_my_timer
{
/** Timer ID used to identify the timer in timer requests. */
os_timer_t id;
/** Timer expiration notification function. */
void (*notify_function)(my_timer_t *);
};
/* Initialize internal components. */
int my_timer_init_ext(void);
/* Release any resources acquired. */
void my_timer_deinit(void);
/* Create a timer object. */
int my_timer_create(my_timer_t *timer);
/* Set the time (in milliseconds) until the next expiration of the timer. */
int my_timer_set(my_timer_t *timer, unsigned long time);
/* Reset the time until the next expiration of the timer. */
int my_timer_reset(my_timer_t *timer, bool *state);
/* Delete a timer object. */
void my_timer_delete(my_timer_t *timer);
C_MODE_END
#endif /* HAVE_MY_TIMER */
#endif /* MY_TIMER_H */
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