evt.c

来自「运行于T-engine（采用T-Kernel）之上的例子源代码」· C语言 代码 · 共 53 行

/*
 *	sample_3_1_2_1-evt.c(sample program/event loop)
 *
 *	(C) Copyright 2003 by Personal Media Corporation.
 */

#include	"sample.h"


/* 弓拌恃眶 */
EXPORT	Bool	doloop = False;		/* True : event loop 鲁乖	*/
EXPORT	WEVENT	wevt;			/* window event			*/


/* ------------------------------------------------------------- 肩创借妄废 */
/*
 *	main loop
 */
EXPORT	WERR	event_loop(VOID)
{
	WERR	rv;
	W	type;

	rv = ER_OK;
	doloop = True;

	do {	
		type = b_wget_evt(&wevt, WAIT);
		if (type < ER_OK) {
			rv = type;
			//printf("b_wget_evt : %d, %d\n", rv, rv >> 16);
			break;
		}
		else {
			rv = exec_window(type);
		}

		if (rv < ER_OK) {
			switch (rv)
			{
				case ER_NOMEM:
				case ER_NOSPC:
					break;
				default:
					doloop = False;
					break;
			}
		}
	} while (doloop);

	return rv;
}