Question

How to get the ID of the a thread in C

Answer 1

#include <stdio.h>
#include <pthread.h>
 
void *function(void *p)
{
    printf("function(): thread id = %ld\n", (long) pthread_self());
    pthread_exit(NULL);
    
    return NULL;
}
 
int main()
{
    pthread_t thread; 
    
    pthread_create(&thread, NULL, function, NULL);
    
    printf("main(): thread id = %ld\n", (long) thread); 
    
    pthread_join(thread, NULL); 
    
    return 0;
}


/*
run:
 
main(): thread id = 1
function(): thread id = 1
 
*/

 

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