pthread_attr_getdetachstate

POSIX threads library (libpthread, -lpthread)

The pthread_attr_setdetachstate() function sets the detach state attribute of the thread attributes object referred to by attr to the value specified in detachstate. The detach state attribute determines whether a thread created using the thread attributes object attr will be created in a joinable or a detached state.

The following values may be specified in detachstate:

PTHREAD_CREATE_DETACHED

Threads that are created using attr will be created in a detached state.

PTHREAD_CREATE_JOINABLE

Threads that are created using attr will be created in a joinable state.

The default setting of the detach state attribute in a newly initialized thread attributes object is PTHREAD_CREATE_JOINABLE.

The pthread_attr_getdetachstate() returns the detach state attribute of the thread attributes object attr in the buffer pointed to by detachstate.

On success, these functions return 0; on error, they return a nonzero error number.

pthread_attr_setdetachstate() can fail with the following error:

EINVAL

An invalid value was specified in detachstate.

For an explanation of the terms used in this section, see attributes(7).

POSIX.1-2008.

POSIX.1-2001.

See pthread_create(3) for more details on detached and joinable threads.

A thread that is created in a joinable state should eventually either be joined using pthread_join(3) or detached using pthread_detach(3); see pthread_create(3).

It is an error to specify the thread ID of a thread that was created in a detached state in a later call to pthread_detach(3) or pthread_join(3).

See pthread_attr_init(3).