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<title>Timers: GLib Reference Manual</title>
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Description
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Timers
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Timers — keep track of elapsed time
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Functions
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GTimer *
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g_timer_new ()
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void
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g_timer_start ()
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void
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g_timer_stop ()
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void
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g_timer_continue ()
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gdouble
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g_timer_elapsed ()
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void
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g_timer_reset ()
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void
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g_timer_destroy ()
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Types and Values
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GTimer
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Includes
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#include <glib.h>
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Description
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GTimer records a start time, and counts microseconds elapsed since
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that time. This is done somewhat differently on different platforms,
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and can be tricky to get exactly right, so GTimer provides a
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portable/convenient interface.
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Functions
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g_timer_new ()
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GTimer *
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g_timer_new (void);
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Creates a new timer, and starts timing (i.e. g_timer_start() is
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implicitly called for you).
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Returns
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a new GTimer.
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g_timer_start ()
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void
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g_timer_start (GTimer *timer);
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Marks a start time, so that future calls to g_timer_elapsed() will
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report the time since g_timer_start() was called. g_timer_new()
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automatically marks the start time, so no need to call
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g_timer_start() immediately after creating the timer.
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Parameters
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timer
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a GTimer.
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g_timer_stop ()
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void
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g_timer_stop (GTimer *timer);
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Marks an end time, so calls to g_timer_elapsed() will return the
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difference between this end time and the start time.
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Parameters
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timer
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a GTimer.
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g_timer_continue ()
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void
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g_timer_continue (GTimer *timer);
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Resumes a timer that has previously been stopped with
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g_timer_stop(). g_timer_stop() must be called before using this
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function.
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Parameters
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timer
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a GTimer.
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Since: 2.4
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g_timer_elapsed ()
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gdouble
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g_timer_elapsed (GTimer *timer,
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gulong *microseconds);
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If timer
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has been started but not stopped, obtains the time since
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the timer was started. If timer
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has been stopped, obtains the
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elapsed time between the time it was started and the time it was
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stopped. The return value is the number of seconds elapsed,
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including any fractional part. The microseconds
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out parameter is
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essentially useless.
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Parameters
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timer
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a GTimer.
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microseconds
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return location for the fractional part of seconds
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elapsed, in microseconds (that is, the total number
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of microseconds elapsed, modulo 1000000), or NULL
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Returns
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seconds elapsed as a floating point value, including any
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fractional part.
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g_timer_reset ()
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void
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g_timer_reset (GTimer *timer);
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This function is useless; it's fine to call g_timer_start() on an
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already-started timer to reset the start time, so g_timer_reset()
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serves no purpose.
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Parameters
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timer
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a GTimer.
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g_timer_destroy ()
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void
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g_timer_destroy (GTimer *timer);
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Destroys a timer, freeing associated resources.
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Parameters
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timer
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a GTimer to destroy.
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Types and Values
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GTimer
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typedef struct _GTimer GTimer;
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Opaque datatype that records a start time.
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Generated by GTK-Doc V1.27
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</html>
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