94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/* ringPointerTest.c */
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/* Author: Marty Kraimer Date: 13OCT2000 */
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/********************COPYRIGHT NOTIFICATION**********************************
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This software was developed under a United States Government license
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described on the COPYRIGHT_UniversityOfChicago file included as part
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of this distribution.
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****************************************************************************/
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#include <stddef.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <time.h>
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#include "osiThread.h"
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#include "epicsRingPointer.h"
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#include "errlog.h"
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#include "epicsEvent.h"
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#define ringSize 10
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typedef struct info {
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epicsEventId consumerEvent;
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epicsRingPointerId ring;
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}info;
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static void consumer(void *arg)
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{
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info *pinfo = (info *)arg;
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static int expectedValue=0;
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int *newvalue;
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printf("consumer starting\n");
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while(1) {
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epicsEventMustWait(pinfo->consumerEvent);
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while((newvalue = (int *)epicsRingPointerPop(pinfo->ring))) {
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if(expectedValue != *newvalue) {
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printf("consumer expected %d got %d\n",
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expectedValue,*newvalue);
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}
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expectedValue = *newvalue + 1;
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}
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}
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}
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void ringPointerTest()
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{
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int i;
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info *pinfo;
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epicsEventId consumerEvent;
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int value[ringSize*2];
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int *pgetValue;
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epicsRingPointerId ring;
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for(i=0; i<ringSize*2; i++) value[i] = i;
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pinfo = calloc(1,sizeof(info));
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pinfo->consumerEvent = consumerEvent = epicsEventMustCreate(epicsEventEmpty);
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if(!consumerEvent) {printf("epicsEventMustCreate failed\n");exit(1);}
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pinfo->ring = ring = epicsRingPointerCreate(ringSize);
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if(!ring) {printf("epicsRingPointerCreate failed\n");exit(1);}
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threadCreate("consumer",50,threadGetStackSize(threadStackSmall),
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consumer,pinfo);
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if(!epicsRingPointerIsEmpty(ring)) printf("epicsRingPointerIsEmpty failed\n");
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printf("fill ring\n");
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i=0;
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while(1) {
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if(!epicsRingPointerPush(ring,(void *)&value[i])) break;
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++i;
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}
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if(i!=ringSize) printf("fill ring failed i %d ringSize %d\n",i,ringSize);
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printf("empty ring\n");
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i=0;
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while(1) {
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if(!(pgetValue = (int *)epicsRingPointerPop(ring))) break;
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if(i!=*pgetValue) printf("main expected %d got %d\n",i,*pgetValue);
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++i;
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}
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if(!epicsRingPointerIsEmpty(ring)) printf("epicsRingPointerIsEmpty failed\n");
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for(i=0; i<ringSize*2; i++) {
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while(epicsRingPointerIsFull(ring)) {
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epicsEventSignal(consumerEvent);
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threadSleep(2.0);
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}
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if(!epicsRingPointerPush(ring,(void *)&value[i]))
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printf("Why is ring full\n");
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}
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epicsEventSignal(consumerEvent);
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threadSleep(2.0);
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}
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