pthread_detach - detach a thread
int pthread_detach(pthread_t thread);
Compile and link with -pthread
() function marks the thread identified by
as detached. When a detached thread terminates, its resources
are automatically released back to the system without the need for another
thread to join with the terminated thread.
Attempting to detach an already detached thread results in unspecified behavior.
On success, pthread_detach
() returns 0; on error, it returns an error
- thread is not a joinable thread.
- No thread with the ID thread could be found.
For an explanation of the terms used in this section, see attributes
Once a thread has been detached, it can't be joined with pthread_join
or be made joinable again.
A new thread can be created in a detached state using
(3) to set the detached attribute of the
argument of pthread_create
The detached attribute merely determines the behavior of the system when the
thread terminates; it does not prevent the thread from being terminated if the
process terminates using exit
(3) (or equivalently, if the main thread
(3) or pthread_detach
() should be called for
each thread that an application creates, so that system resources for the
thread can be released. (But note that the resources of any threads for which
one of these actions has not been done will be freed when the process
The following statement detaches the calling thread: