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NAME
       pthread_detach - detach a thread


SYNOPSIS
       #include <pthread.h>

       int pthread_detach(pthread_t thread);

       Compile and link with -pthread.


DESCRIPTION
       The  pthread_detach() function marks the thread identified by thread 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.


RETURN VALUE
       On success, pthread_detach() returns 0; on error, it returns an error number.


ERRORS
       EINVAL thread is not a joinable thread.

       ESRCH  No thread with the ID thread could be found.


CONFORMING TO
       POSIX.1-2001.


NOTES
       Once a thread has been detached, it can't be joined with pthread_join(3) or be made joinable again.

       A  new thread can be created in a detached state using pthread_attr_setdetachstate(3) to set the detached
       attribute of the attr argument of pthread_create(3).

       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 returns).

       Either pthread_join(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 all threads are
       freed when the process terminates.)


EXAMPLE
       The following statement detaches the calling thread:

           pthread_detach(pthread_self());


SEE ALSO
       pthread_attr_setdetachstate(3), pthread_cancel(3), pthread_create(3),  pthread_exit(3),  pthread_join(3),
       pthreads(7)


COLOPHON
       This  page  is  part  of  release 3.54 of the Linux man-pages project.  A description of the project, and
       information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.