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pthread_detach - put a running thread in the detached state
int pthread_detach(pthread_t th);
pthread_detach put the thread th in the detached state. This guarantees that the memory
resources consumed by th will be freed immediately when th terminates. However, this pre-
vents other threads from synchronizing on the termination of th using pthread_join.
A thread can be created initially in the detached state, using the detachstate attribute
to pthread_create(3). In contrast, pthread_detach applies to threads created in the join-
able state, and which need to be put in the detached state later.
After pthread_detach completes, subsequent attempts to perform pthread_join on th will
fail. If another thread is already joining the thread th at the time pthread_detach is
called, pthread_detach does nothing and leaves th in the joinable state.
On success, 0 is returned. On error, a non-zero error code is returned.
ESRCH No thread could be found corresponding to that specified by th
EINVAL the thread th is already in the detached state
Xavier Leroy <Xavier.Leroy@inria.fr>
pthread_create(3), pthread_join(3), pthread_attr_setdetachstate(3)
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