07_sleep.c File Reference

#include <stdint.h>
#include <stdio.h>
#include <serene/rt/fiber/io.h>
#include <serene/runtime.h>

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Data Structures
struct	sleeper_args_t

Functions
static srn_fiber_result_t	sleeper (srn_context_t *ctx, void *arg)
int	main (void)

Function Documentation

main()

int main

(

void

)

Definition at line 52 of file 07_sleep.c.

               {
  SERENE_RUNTIME_INIT_WITH_SCHED(engine, sched, nullptr);
  srn_context_t *ctx = srn_context_make(engine);
 
  sleeper_args_t a = {"A", 300};
  sleeper_args_t b = {"B", 100};
  sleeper_args_t c = {"C", 200};
  (void)srn_fiber_spawn(ctx, sleeper, &a);
  (void)srn_fiber_spawn(ctx, sleeper, &b);
  (void)srn_fiber_spawn(ctx, sleeper, &c);
 
  // One worker: all three park on their timers, and the run stays alive until
  // the last timer fires -- the reactor keeps it from going quiescent early.
  srn_sched_run(sched, 1);
  printf("all sleepers done\n");
 
  srn_context_release(ctx);
  SERENE_RUNTIME_SHUTDOWN(engine);
  return 0;
}

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sleeper()

srn_fiber_result_t sleeper ( srn_context_t * ctx, void * arg )

static

Definition at line 43 of file 07_sleep.c.

                                                                 {
  (void)ctx;
  sleeper_args_t *a = arg;
  printf("%s: sleeping %llu ms\n", a->name, (unsigned long long)a->ms);
  srn_error_t *err = srn_fiber_sleep_ms(a->ms);
  printf("%s: woke up (%s)\n", a->name, err == nullptr ? "ok" : err->msg);
  return nullptr;
}

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