sys_timeout.c

eCos操作系统源码

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// Copyright (C) 2004 eCosCentric
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/* Simple test-case for the lwip system timeout functionality  */

#include "lwip/sys.h"

#define TIMERS 100
sys_timeout_handler timers[TIMERS];
int intervals[TIMERS];

static void
timeout_fn ( void * arg)
{
	int i, j = (int)arg;
//	diag_printf("Timeout #%d called\n", (int)arg);
	for (i = 0; i < j; i++)
		diag_printf(" ");
	diag_printf("%d\n", j);
//	sys_timeout( intervals[j], timers[j], arg);	
	sys_timeout( 1000, timers[j], arg);	
}

static void
timeout_thread(void *arg)
{
  int i;
  
  for (i = 0; i < TIMERS; i++) {
	  diag_printf("Adding timer #%d\n", i);
	  timers[i] = timeout_fn;
	  intervals[i] = (i+1)*1000;	
	  sys_timeout(intervals[i],  timers[i], (void *)i);
  }
  sys_msleep(0); 
  diag_printf("Done\n");
}

void
tmain(cyg_addrword_t p)
{
  lwip_init();	
  sys_thread_new(timeout_thread, (void*)"timeout",7);
}

#define STACK_SIZE 0x1000
static char stack[STACK_SIZE];
static cyg_thread thread_data;
static cyg_handle_t thread_handle;

void
cyg_user_start(void)
{
    // Create a main thread, so we can run the scheduler and have time 'pass'
    cyg_thread_create(10,                // Priority - just a number
                      tmain,          // entry
                      0,                 // entry parameter
                      "timeout test",        // Name
                      &stack[0],         // Stack
                      STACK_SIZE,        // Size
                      &thread_handle,    // Handle
                      &thread_data       // Thread data structure
            );
    cyg_thread_resume(thread_handle);  // Start it
}