README_timer.md

A simple user-interface to define timers within a single process (but possibly several threads)

(c) L. Farhi, 2024.

Language: C (C11 or higher).

Define	Value
__TIMERS_H__

Include
<time.h>

struct timespec delay_to_abs_timespec (double seconds);

is a helper function to convert a delay in seconds relative to the current time on the timer's clock at the time of the call into an absolute time.

void *timer_set (struct timespec timeout, int (*callback) (void *arg), void *arg);

creates and starts a timer. When the absolute time timeout is reached, the callback function callback is called with arg passed as argument.

• Returns a timer id that can be passed to timer_unset to cancel a timer.

• Complexity log n, where n is the number of timers previously set.

void timer_unset (void *);

cancels a previously set timer.

• Complexity n log n (quite slow)

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This page was generated automatically from timer.h by h2md.