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/* xbt/xbt_os_timer.h -- system dependency on time functions */
/* Copyright (c) 2007-2025. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#ifndef XBT_OS_TIMER_H
#define XBT_OS_TIMER_H
#include <xbt/misc.h> /* XBT_PUBLIC */
#include <stddef.h> /* size_t */
SG_BEGIN_DECL
/** @brief get time in seconds
*
* gives the number of seconds since the Epoch (00:00:00 UTC, January 1, 1970).
*/
XBT_PUBLIC double xbt_os_time(void);
XBT_PUBLIC void xbt_os_sleep(double sec);
typedef struct s_xbt_os_timer *xbt_os_timer_t;
typedef const struct s_xbt_os_timer* const_xbt_os_timer_t;
XBT_PUBLIC xbt_os_timer_t xbt_os_timer_new(void);
XBT_PUBLIC void xbt_os_timer_free(xbt_os_timer_t timer);
XBT_PUBLIC double xbt_os_timer_elapsed(const_xbt_os_timer_t timer);
XBT_PUBLIC size_t xbt_os_timer_size(void);
XBT_PUBLIC void xbt_os_walltimer_start(xbt_os_timer_t timer);
XBT_PUBLIC void xbt_os_walltimer_resume(xbt_os_timer_t timer);
XBT_PUBLIC void xbt_os_walltimer_stop(xbt_os_timer_t timer);
XBT_PUBLIC void xbt_os_cputimer_start(xbt_os_timer_t timer);
XBT_PUBLIC void xbt_os_cputimer_resume(xbt_os_timer_t timer);
XBT_PUBLIC void xbt_os_cputimer_stop(xbt_os_timer_t timer);
XBT_PUBLIC void xbt_os_threadtimer_start(xbt_os_timer_t timer);
XBT_PUBLIC void xbt_os_threadtimer_resume(xbt_os_timer_t timer);
XBT_PUBLIC void xbt_os_threadtimer_stop(xbt_os_timer_t timer);
SG_END_DECL
#endif
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