threaded program doesn't work?

This is a discussion on threaded program doesn't work? within the Linux Programming forums, part of the Platform Specific Boards category; I created the following multi-threaded program in linux: Code: #include <pthread.h> #include <stdio.h> #include <stdlib.h> //using namespace std; void *thread_funk(void ...

  1. #1
    Registered User
    Join Date
    Jul 2002
    Posts
    13

    threaded program doesn't work?

    I created the following multi-threaded program in linux:
    Code:
    #include <pthread.h>
    #include <stdio.h>
    #include <stdlib.h>
    
    //using namespace std;
    
    void *thread_funk(void *start);
    
    void *thread_funk(void *start)
    {
       int *value1 = (int *)start;
       //while(*value1 < 4)
       while(1) {
          if (*value1 == 3) 
    	{
              printf("Cifra je %d\n", *value1);
    	  pthread_exit(NULL);
    	}
       }
       
    }
    
    int main(int argc, char *argv[])
    {
       pthread_t thread1;
       int *value = (int *)malloc(sizeof(int));
       *value = 0;
       // Create new thread.
       pthread_create(&thread1, NULL, (void *)&thread_funk, (void *)value);
       while(*value < 5)
       {
           //sleep(5);
           *value++;
       }
       free(value);
       exit(0);
    }
    It compiles perfectly bit it would not work! Why?
    Please help.

  2. #2
    Registered User
    Join Date
    Jul 2002
    Posts
    13
    Ok. Found it and fix it and it works now perfectly

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