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PTHREAD_GETNAME_NP(3)	 BSD Library Functions Manual	 PTHREAD_GETNAME_NP(3)

NAME
     pthread_getname_np — get and set descriptive name of a thread

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>

     int
     pthread_getname_np(pthread_t thread, char *name, size_t len);

     int
     pthread_setname_np(pthread_t thread, const char *name, void *arg);

DESCRIPTION
     The pthread_getname_np() function obtains the descriptive name of a
     thread.  It takes the following arguments:

	   thread  The thread whose descriptive name will be obtained.

	   name	   The buffer to be filled with the descriptive name of the
		   thread.

	   len	   The size of the buffer name in bytes.

     The pthread_setname_np() function sets the descriptive name of a thread.
     It takes the following arguments:

	   thread  The thread whose descriptive name will be set.

	   name	   The printf(3) format string to be used to construct the
		   descriptive name of the thread.  The resulted descriptive
		   name should be shorter than PTHREAD_MAX_NAMELEN_NP.

	   arg	   The printf(3) argument used with name.

RETURN VALUES
     Both functions return 0 on success.  Otherwise, an error number is
     returned to indicate the error.

COMPATIBILITY
     Both functions are non-standard extensions.

ERRORS
     Both functions may fail if:

     [EINVAL]		Invalid parameter.

     [ESRCH]		Non-existent thread.

     The pthread_setname_np() function may also fail if:

     [ENOMEM]		There was insufficient memory for the operation.

SEE ALSO
     pthread_attr_get_np(3), pthread_attr_getname_np(3)

BSD				 July 9, 2010				   BSD

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