操作系統(tǒng)實(shí)驗(yàn)報(bào)告

1、LEIJINGUNIVERSITYOFTECIINOLCGY操作系統(tǒng)實(shí)驗(yàn)報(bào)告學(xué)號(hào):姓名:指導(dǎo)老師:完成日期:目錄TOC o 1-5 h z實(shí)驗(yàn)一1實(shí)驗(yàn)二2實(shí)驗(yàn)三7實(shí)驗(yàn)四10實(shí)驗(yàn)五15實(shí)驗(yàn)六18實(shí)驗(yàn)七22 五、實(shí)驗(yàn)程序#include#include#include#defineMAX10intoperandMAX2;intsize=0;sem_tsem;voidReadData1(void)FILE*fp=fopen(1.dat,r);while(!feof(fp)fscanf(fp,%d%d,&operandsize0,&operandsize1);if(feof(fp)break;+siz

2、e;sem_post(&sem);fclose(fp);voidReadData2(void)FILE*fp=fopen(2.dat,r);while(!feof(fp)fscanf(fp,%d%d,&operandsize0,&operandsize1);if(feof(fp)break;+size;sem_post(&sem);fclose(fp);voidHandleData1(void)while(1)sem_wait(&sem);-size;printf(Plus:%d+%d=%dn,operandsize0,operandsize1,operandsize0+operandsize

3、1);voidHandleData2(void)while(1)sem_wait(&sem);-size;printf(Multiply:%d*%d=%dn,operandsize0,operandsize1,operandsize0*operandsize1);intmain(void)pthread_ttl,t2,t3,t4;sem_init(&sem,0,0);pthread_create(&t3,NULL,(void*)ReadData1,NULL);pthread_create(&t1,NULL,(void*)HandleData1,NULL);pthread_create(&t4,

4、NULL,(void*)ReadData2,NULL);pthread_create(&t2,NULL,(void*)HandleData2,NULL);pthread_join(t2,NULL);return0;文件E查百皿閔錨掠簽幫助LrOohongmiinOlLrootachetiigroinOlLroutc.tieng文件E查百皿閔錨掠簽幫助LrOohongmiinOlLrootachetiigroinOlLroutc.tienginiiitHLrootahengminOlroQtctiengininOlMultiplyt7*8=56shiyan#shiyan#shiyanJ#shiyan#shiyan#visliiyan?rcvi1.txtvi2txtgcc-shiyan?-Ipthread-oshiyan7./shiyan?從圖可知線程1從1.txt讀兩個(gè)數(shù)到緩沖區(qū)然后線程2從2.txt讀兩個(gè)數(shù)到緩沖區(qū)，然后線程3從緩沖區(qū)讀出兩個(gè)數(shù)相加，最后線程4再讀出兩個(gè)數(shù)相乘。七、實(shí)驗(yàn)感想通過(guò)本次實(shí)驗(yàn)，我進(jìn)一步掌握了如何使用LINUX下的線程創(chuàng)建函數(shù)pthread_create()創(chuàng)建線程，并且學(xué)會(huì)了如何使用信號(hào)量控制進(jìn)程的運(yùn)行，學(xué)會(huì)