Related Articles

Related Articles

pthread_self() in C with Example
  • Difficulty Level : Expert
  • Last Updated : 28 Oct, 2019

Prerequisite : Multithreading in C

Syntax :- pthread_t pthread_self(void);


The pthread_self() function returns the ID of the thread in which it is invoked.

filter_none

edit
close

play_arrow

link
brightness_4
code

// C program to demonstrate working of pthread_self()
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
void* calls(void* ptr)
{
    // using pthread_self() get current thread id
    printf("In function \nthread id = %d\n", pthread_self());
    pthread_exit(NULL);
    return NULL;
}
  
int main()
{
    pthread_t thread; // declare thread
    pthread_create(&thread, NULL, calls, NULL);
    printf("In main \nthread id = %d\n", thread); 
    pthread_join(thread, NULL); 
    return 0;
}

chevron_right




Output:

In function
thread id = 1
In main
thread id = 1



This article is contributed by Devanshu Agarwal. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.

Attention reader! Don’t stop learning now. Get hold of all the important C++ Foundation and STL concepts with the C++ Foundation and STL courses at a student-friendly price and become industry ready.

My Personal Notes arrow_drop_up
Recommended Articles
Page :