1 files changed, 75 insertions, 0 deletions
diff --git a/mysql/my_timer.h b/mysql/my_timer.h
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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 */