我正在尝试在c中制作多线程数组排序程序。但是当我运行程序时,我收到“分段错误”错误。 有人可以帮忙吗? 我应该改变什么?第一个数组应该是300,另一个应该是500.我们首先分别对序列进行排序。合并后的2个排序序列。我使用“gcc -pthreads -0 soru1 soru1.c”和“./soru1”命令。
#include <stdio.h>
#include <pthread.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <time.h>
#define size 800
int orginal_dizi[size], dizi1[300], dizi2[500], dizi3[size];
int sayi,a=1;
int boyutbul(int *the)
{
int number=-1;
while(the[++number]!='\0'){}
return number;
}
void*runner(void *param)
{
int temp,i,k;
int *bolum = param;
sayi = boyutbul(bolum);
printf("\n----------unsorted %d. array-----------\n\n",a);
for(i=0; i<sayi;i++)
printf("%d\n", bolum[i]);
for(i=0; i<sayi;i++)
{
for(k=0; k<(sayi-i-1);k++)
{
if(bolum[k]>bolum[k+1])
{
temp=bolum[k];
bolum[k]=bolum[k+1];
bolum[k+1]=temp;
}
}
}
printf("\n----------sorted %d. array-----------\n\n",a);
for(i=0; i<sayi;i++)
printf("%d\n", bolum[i]);
a++;
pthread_exit(0);
}
int main()
{
pthread_t tid1,tid2, tid3;
int i=0;
while(i<size)
{
int yenisayi=1+rand()%1500;
int aynimi=0, j=0;
while(j<i)
{
if(orginal_dizi[j]==yenisayi)
{
aynimi=1;
break;
}
j++;
}
if(aynimi)
continue;
orginal_dizi[i]=yenisayi;
i++;
}
for(i=0;i<size;i++)
{
if(i<(300))
{
dizi1[i]=orginal_dizi[i];
}
else
{
dizi2[i-(500)-1]= orginal_dizi[i];
}
}
pthread_create(&tid1,NULL,runner,(void *)dizi1);
pthread_join(tid1,NULL);
pthread_create(&tid2,NULL,runner,(void *)dizi2);
pthread_join(tid2,NULL);
for(i=0; i<size;i++)
{
if(i<300)
{
dizi3[i]=dizi1[i];
}
else
{
dizi3[i]=dizi2[i-500];
}
}
pthread_create(&tid3,NULL,runner,(void *)dizi3);
pthread_join(tid3,NULL);
FILE *fp;
if((fp=fopen("son.txt","w"))== NULL)
printf("Dosya acilamadi.");
for(i=0;i<size;i++)
{
fprintf(fp, "%d\n", dizi3[i]);
}
fclose(fp);
return 0;
}