|GLib Reference Manual|
Timers — keep track of elapsed time.
#include <glib.h> GTimer; GTimer* g_timer_new (void); void g_timer_start (GTimer *timer); void g_timer_stop (GTimer *timer); void g_timer_continue (GTimer *timer); gdouble g_timer_elapsed (GTimer *timer, gulong *microseconds); void g_timer_reset (GTimer *timer); void g_timer_destroy (GTimer *timer);
GTimer records a start time, and counts microseconds elapsed since that time. This is done somewhat differently on different platforms, and can be tricky to get exactly right, so GTimer provides a portable/convenient interface.
GTimer* g_timer_new (void);
Creates a new timer, and starts timing (i.e. g_timer_start() is implicitly called for you).
|Returns :||a new GTimer.|
void g_timer_start (GTimer *timer);
Marks a start time, so that future calls to g_timer_elapsed() will report the time since g_timer_start() was called. g_timer_new() automatically marks the start time, so no need to call g_timer_start() immediately after creating the timer.
void g_timer_stop (GTimer *timer);
Marks an end time, so calls to g_timer_elapsed() will return the difference between this end time and the start time.
void g_timer_continue (GTimer *timer);
If timer has been started but not stopped, obtains the time since the timer was started. If timer has been stopped, obtains the elapsed time between the time it was started and the time it was stopped. The return value is the number of seconds elapsed, including any fractional part. The microseconds out parameter is essentially useless.
|timer :||a GTimer.|
|microseconds :||fractional part of seconds elapsed, in microseconds (that is, the total number of microseconds elapsed, modulo 1000000)|
|Returns :||seconds elapsed as a floating point value, including any fractional part.|
void g_timer_reset (GTimer *timer);
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