Linux 2.6 - man page for pthread_detach (linux section 3)
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PTHREAD_DETACH(3) Linux Programmer's Manual PTHREAD_DETACH(3)
pthread_detach - detach a thread
int pthread_detach(pthread_t thread);
Compile and link with -pthread.
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.
On success, pthread_detach() returns 0; on error, it returns an error number.
EINVAL thread is not a joinable thread.
ESRCH No thread with the ID thread could be found.
Once a thread has been detached, it can't be joined with pthread_join(3) or be made join-
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 termi-
nates; 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 appli-
cation 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.)
The following statement detaches the calling thread:
pthread_attr_setdetachstate(3), pthread_cancel(3), pthread_create(3), pthread_exit(3),
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Linux 2008-11-27 PTHREAD_DETACH(3)
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