Your Question: Which System Call Is Used to Create a Thread in Linux?
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The underlying system call to create threads is clone(2) (it is Linux specific).

How a thread is created by system calls?

Threads are created using the clone() system call that can make a new process that shares memory space and some of the kernel control structures with its parent. These processes are called LWPs (light-weight processes) and are also known as kernel-level threads.

How threads are created in Linux?

It uses the pthread_create() function to create two threads. The starting function for both the threads is kept same. Inside the function ‘doSomeThing()’, the thread uses pthread_self() and pthread_equal() functions to identify whether the executing thread is the first one or the second one as created.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.

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