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/* Copyright (c) 2014, 2015, Oracle and/or its affiliates. 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 St, 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 "mysql/psi/psi.h" /* PSI_thread_key, PSI_mutex_key, PSI_memory_key */
/* 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;
#elif _WIN32
typedef struct st_os_timer
{
HANDLE timer_handle;
my_bool timer_state;
} os_timer_t;
#endif
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 *);
};
C_MODE_START
#ifdef HAVE_PSI_INTERFACE
extern PSI_thread_key key_thread_timer_notifier;
#endif
/* Initialize internal components. */
int my_timer_initialize(void);
/* Release any resources acquired. */
void my_timer_deinitialize(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);
/* Cancel the timer */
int my_timer_cancel(my_timer_t *timer, int *state);
/* Delete a timer object. */
void my_timer_delete(my_timer_t *timer);
C_MODE_END
#endif /* MY_TIMER_H */
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