pthread_attr_getdetachstate(3) - NetBSD Manual Pages

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PTHREAD_ATTR_GETDETA... NetBSD Library Functions ManualPTHREAD_ATTR_GETDETA...


NAME

     pthread_attr_getdetachstate, pthread_attr_setdetachstate -- get and set
     the ``detach state'' attribute


LIBRARY

     POSIX Threads Library (libpthread, -lpthread)


SYNOPSIS

     #include <pthread.h>

     int
     pthread_attr_getdetachstate(const pthread_attr_t *attr,
         int *detachstate);

     int
     pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate);


DESCRIPTION

     The attribute parameters for the pthread_attr_getdetachstate() and
     pthread_attr_setdetachstate() functions are mutually exclusive and must
     be one of:

       PTHREAD_CREATE_JOINABLE  The threads must explicitly be waited for
                                using the pthread_join(3) function once they
                                exit for their status to be received and their
                                resources to be freed.  This is the default.

       PTHREAD_CREATE_DETACHED  The thread's resources will automatically be
                                freed once the thread exits, and the thread
                                will not be joined.

     If the thread is created as detached, it is an error to use the thread ID
     with pthread_detach(3) or pthread_join(3).


RETURN VALUES

     If successful, these functions return 0.  Otherwise, an error number is
     returned to indicate the error.


ERRORS

     No errors are defined for pthread_attr_getdetachstate().

     The pthread_attr_setdetachstate() function should fail if:

     [EINVAL]           The value specified by detachstate is invalid.


SEE ALSO

     pthread_attr(3), pthread_detach(3), pthread_join(3)


STANDARDS

     Both functions conform to IEEE Std 1003.1-2001 (``POSIX.1'').

NetBSD 9.1                       July 9, 2010                       NetBSD 9.1